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Type of memory used on processors that require high transfer rate memory
High Bandwidth Memory (HBM) is a computer memory interface for 3D-stacked synchronous dynamic random-access memory (SDRAM), initially developed by Samsung
High_Bandwidth_Memory
Measure of the amount of data transferred per unit time
Memory bandwidth is the rate at which data can be read from or stored into a semiconductor memory by a processor. Memory bandwidth is usually expressed
Memory_bandwidth
System-on-a-chip series designed by Apple Inc.
Apple to scale core counts and memory bandwidth beyond the limits of a single die while preserving the unified memory architecture that the CPU, GPU,
Apple_M5
Visual performance model
performance ceilings[clarification needed]: a ceiling derived from the memory bandwidth and one derived from the processor's peak performance (see figure on
Roofline_model
System-on-a-chip designed by Apple Inc.
with over half a terabyte per second (546GB/sec) of memory bandwidth, with a slightly reduced bandwidth (410GB/sec) for the binned 32-core M4 Max. Apple
Apple_M4
System-on-a-chip designed by Apple Inc.
LPDDR5X memory with different specifications between variants. The A19 includes 8GB of LPDDR5X (8533 MT/s) memory providing 68.2 GB/s of memory bandwidth, while
Apple_A19
System-on-chip processors designed by Apple Inc.
memory controller that provides a memory bandwidth of 12.8 GB/s, roughly three times more than in the A5. The added graphics cores and extra memory channels
Apple_silicon
Series of GPUs by Nvidia
core clock 256 MB DDR2, 400 MHz memory clock 1300 MHz shader clock 5.1 G texels/s fill rate 7.6 GB/s memory bandwidth Supports DirectX 10, SM 4.0 OpenGL
GeForce_9_series
Series of graphics processing units
Adreno 830. UBWC v6: The architecture incorporates version 6 of Universal Bandwidth Compression (UBWC). All models support the following APIs: Direct3D 11
Adreno
Series of systems-on-a-chip designed by Apple
LPDDR5 SDRAM memory. While the M1 SoC has 68.25 GB/s memory bandwidth, the M1 Pro has 200 GB/s bandwidth and the M1 Max has 400 GB/s bandwidth. The M1 Pro
Apple_M1
Tablet computer developed by Apple (2025–)
improved graphics performance. The M5 variant also features enhanced memory bandwidth of 153 GB/s compared to 120 GB/s on the M4 and up to 2x faster storage
IPad_Pro_(M5)
Type of computer memory
drive memory chips. By reducing the number of pins required per memory bus, CPUs could support more memory buses, allowing higher total memory bandwidth and
Registered_memory
System-on-a-chip designed by Apple Inc.
chips in the A18 series have 8 GB of RAM, and both chips have 17% more memory bandwidth. The A18's NPU delivers 35 TOPS, making it approximately 58 times more
Apple_A18
Method of computer bus operation
rising and falling edges of the clock signal and hence doubles the memory bandwidth by transferring data twice per clock cycle. This is also known as double
Double_data_rate
Random-access memory interface
HMC competes with the incompatible rival interface High Bandwidth Memory (HBM). Hybrid Memory Cube was co-developed by Samsung Electronics and Micron
Hybrid_Memory_Cube
System-on-a-chip designed by Apple
is a higher-powered version of the M2 Pro, with more GPU cores and memory bandwidth, and a larger die size. In June 2023, Apple introduced the M2 Ultra
Apple_M2
GPU microarchitecture designed by Nvidia
consists of up to 144 streaming multiprocessors. Due to the increased memory bandwidth provided by the SXM5 socket, the Nvidia Hopper H100 offers better performance
Hopper_(microarchitecture)
System-on-a-chip designed by Apple Inc.
14-core M3 Max have lower memory bandwidth than the M1/M2 Pro and M1/M2 Max respectively. The M3 Pro has a 192-bit memory bus where the M1 and M2 Pro
Apple_M3
Type of computer memory
This technique, known as double data rate (DDR), allows for higher memory bandwidth while maintaining lower power consumption and reduced signal interference
DDR_SDRAM
Computer memory architecture
support quad-channel memory. Server processors from the AMD Epyc series and the Intel Xeon platforms give support to memory bandwidth starting from quad-channel
Multi-channel memory architecture
Multi-channel_memory_architecture
64 KB shared memory. Intel Quick Sync Video For Windows 10, the total system memory that is available for graphics use is half the system memory. For Windows
List of Intel graphics processing units
List_of_Intel_graphics_processing_units
Type of random-access memory
Dynamic Random-Access Memory (DDR6 SDRAM) is the next planned type of synchronous dynamic random-access memory with a high-bandwidth ("double data rate")
DDR6_SDRAM
AMD graphics processing units
to reduce memory latency and increase bandwidth efficiency Memory subsystem supports up to 16 GB GDDR6 with up to 640 GB/s memory bandwidth depending
Radeon_RX_9000_series
Line of laptop computers by Apple
a design element first introduced with the polycarbonate MacBook. The memory, drives, and batteries were accessible in the old MacBook lineup, though
MacBook
of bandwidth in comparison to its competition; however, this statistic includes the eDRAM logic to memory bandwidth, and not internal CPU bandwidths. The
Xbox 360 technical specifications
Xbox_360_technical_specifications
Timing information of a memory module
and tRFC4 timings, while DDR5 retained only tRFC2. Memory bandwidth measures the throughput of memory, and is generally limited by the transfer rate, not
Memory_timings
Semiconductor memory supply crisis
services triggered unprecedented demand for specialized memory products, particularly High Bandwidth Memory (HBM) used in AI accelerators and data center GPUs
2024–present global memory supply shortage
2024–present_global_memory_supply_shortage
Computer processor
PCI express (PCIe) interconnect. High memory bandwidth (0.75–1.2 TB/s), comes from eight cores and six HBM2 memory modules on a silicon interposer implemented
NEC_SX-Aurora_TSUBASA
Series of GPUs by Nvidia
GPUs to feature GDDR7 video memory for greater memory bandwidth over the same bus width compared to the GDDR6 and GDDR6X memory used in the GeForce 40 series
GeForce_RTX_50_series
Type of computer memory
ability to interleave operations to multiple banks of memory, thereby increasing effective bandwidth. Double data rate SDRAM, known as DDR SDRAM, was first
Synchronous dynamic random-access memory
Synchronous_dynamic_random-access_memory
American semiconductor company
expanded on-chip SRAM to 40 gigabytes, memory bandwidth to 20 petabytes per second, and total fabric bandwidth to 220 petabits per second. Customers included
Cerebras_Systems
GPU for the PlayStation 3
way the memory bandwidth works. The G70 only supports rendering to local memory, while the RSX is able to render to both system and local memory. Since
RSX_Reality_Synthesizer
Series of GPUs by Nvidia
The GeForce 2 (NV15) architecture is quite memory bandwidth constrained. The GPU wastes memory bandwidth and pixel fillrate due to unoptimized z-buffer
GeForce_2_series
Type of dedicated computer memory
VRAM SGRAM GDDR SDRAM High Bandwidth Memory (HBM) Graphics processing unit Tiled rendering, a method to reduce VRAM bandwidth requirements Foley, James
Video_random-access_memory
2020–present laptops by Apple
three displays (2 external and the built-in screen) and raises the base memory configuration to 16GB. The webcam was upgraded to the same 12MP Center Stage
MacBook_Air_(Apple_silicon)
Type of synchronous dynamic random-access memory
developed for high-bandwidth applications and was positioned by Rambus as replacement for various types of contemporary memories, such as SDRAM. RDRAM
RDRAM
Maximum rate of data transfer
computing, bandwidth is the maximum rate of data transfer across a given path. Bandwidth may be characterized as network bandwidth, data bandwidth, or digital
Bandwidth_(computing)
American multinational technology company
comply with U.S. export restrictions, featuring 96GB of HBM3 memory and 4.0 TB/s memory bandwidth-higher than the H100-but with significantly reduced computational
Nvidia
Third generation of double-data-rate synchronous dynamic random-access memory
Dynamic Random-Access Memory (DDR3 SDRAM) is a type of synchronous dynamic random-access memory (SDRAM) with a high-bandwidth ("double data rate") interface
DDR3_SDRAM
Series of GPUs by Nvidia
based cards: Memory Interface: 128-bit Memory Bandwidth: 16.0 GiB/s. Fill Rate (pixels/s.): 4.0 billion Vertices per Second: 375 million Memory Data Rate:
GeForce_6_series
System-on-a-chip designed by Apple Inc.
Apple-designed five-core GPU, which is reportedly coupled with 50% more memory bandwidth when compared to the A15's GPU. One GPU core is disabled in the iPad
Apple_A16
Home video game console
ESRAM, with a memory bandwidth of 109 GB/s. For simultaneous read and write operations, the ESRAM is capable of a theoretical memory bandwidth of 192 GB/s
Xbox_One
Ultraportable laptop computer by Apple
introduced in the iPhone 16 Pro and 16 Pro Max. It includes 8 GB of unified memory shared by a six-core CPU (two performance cores and four efficiency cores)
MacBook_Neo
Current line of high-end notebook computers by Apple
MacBook Pro are almost the same, but it supports up to 24 GB of unified memory. The 13-inch Touch Bar MacBook Pro was discontinued on October 30, 2023
MacBook_Pro_(Apple_silicon)
Type of computer memory
small memory banks of 256 kB, which are operated in an interleaved fashion, providing bandwidths suitable for graphics cards at a lower cost to memories such
Dynamic_random-access_memory
Brand of data center GPUs by AMD
analogous to the R9 Nano, has a <175W TDP. The MI8 has 4 GB of High Bandwidth Memory. At 8.2 TFLOPS (FP16 and FP32), the MI8 is marked toward inference
AMD_Instinct
Intel microprocessor series released in 2024
silicon. On-package memory allows the CPU to benefit from higher memory bandwidth at lower power and decreased latency as memory is physically closer
Lunar_Lake
Series of GPUs by Nvidia
This is composed of several mechanisms that reduce overdraw, conserve memory bandwidth by compressing the z-buffer (depth buffer) and better manage interaction
GeForce_3_series
Brand of Nvidia graphics cards used in workstations
Standard Bridge (400 MHz Pixel Clock and 1 GB/s bandwidth) LED Bridge (540 MHz Pixel Clock) High-Bandwidth Bridge (650 MHz Pixel Clock) PCI-e lanes only
Quadro
2024 AMD 4-nanometer processor microarchitecture
end in the Zen 5 architecture necessitates larger caches and higher memory bandwidth in order to keep the cores fed with data. The L1 cache per core is
Zen_5
American computer technology company
publicly at various events. It was claimed by the company to have memory bandwidth and power consumption characteristics similar to a mid-range consumer
Caustic_Graphics
AI accelerator ASIC by Google
design was limited by memory bandwidth and using 16 GB of High Bandwidth Memory in the second-generation design increased bandwidth to 600 GB/s and performance
Tensor_Processing_Unit
Video card by Matrox
the fastest (G400 MAX) uses 200 MHz SGRAM. G400MAX had the highest memory bandwidth of any card before the release of the DDR-equipped version of NVIDIA
Matrox_G400
Specialized electronic circuit that accelerates graphics
random access memory (VRAM) and GPU core. This memory bus bandwidth can limit the performance of the IGPU, though multi-channel memory can mitigate this
Graphics_processing_unit
Graphics processing unit brand
accidentally reduced the memory clock by 9% on the Arc A770 from 2187 MHz to 2000 MHz, resulting in a 17% reduction in memory bandwidth. This particular issue
Intel_Arc
Series of GPUs by Nvidia
Digital Trends gave the RTX 4070 Ti a 6/10, criticizing the lower memory bandwidth compared to the RTX 4080, its worse 4K performance, and the lack of
GeForce_RTX_40_series
Memory-hard proof-of-work algorithm
was designed such that parallel implementations are bottle-necked by memory bandwidth in an attempt to worsen the cost-performance trade-offs of designing
Equihash
GPU microarchitecture by AMD
interconnects in RDNA achieve cumulative bandwidth of 5.3 TB/s. With a respective 2.05 billion transistors, each Memory Cache Die (MCD) contains 16 MB of L3
RDNA_3
Access latency of a memory unit from RAM
operation. Latency should not be confused with memory bandwidth, which measures the throughput of memory. Latency can be expressed in clock cycles or in
Memory_latency
Computer operations that do not copy memory
between memory spaces without requiring the CPU to copy the data. By avoiding redundant copying, zero-copy methods minimize CPU usage and memory bandwidth, leading
Zero-copy
Windows utility software
pixel shader Memory type Amount of video memory Memory bandwidth Type of bus Width of the bus Frequency of the GPU (default / overclocked) Memory clock Driver
GPU-Z
Random-access memory with processing elements integrated on the same chip
efficiently use memory bandwidth within a memory chip. The general technique of doing computations in memory is called processing-in-memory (PIM). The most
Computational_RAM
Type of computer memory introduced 2014
Synchronous Dynamic Random-Access Memory (DDR4 SDRAM) is a type of synchronous dynamic random-access memory with a high-bandwidth ("double data rate") interface
DDR4_SDRAM
Series of video cards
Specifications for the Rage II+DVD: 60 MHz core up to 83 MHz SGRAM memory 480 MB/s memory bandwidth DirectX 5.0 ATI made a number of changes over the 3D RAGE II:
ATI_Rage
Series of GPUs by Nvidia
256 KiB on GK107 to 2 MiB on GM107, reducing the memory bandwidth needed. Accordingly, Nvidia cut the memory bus from 192 bit on GK106 to 128 bit on GM107
GeForce_900_series
Processing data technology
17 months. In-memory processing offers decreased power consumption and increased throughput due to a lower access latency, greater memory bandwidth, and hardware
In-memory_processing
Line of Intel server and workstation processors
the design point of the Xeon Phi emphasizes more cores with higher memory bandwidth. The first Xeon-branded processor was the Pentium II Xeon (code-named
Xeon
Series of GPUs by Nvidia
Graphics Bus: PCI Express Memory Interface: 64-bits Memory Bandwidth: 5.3 GB/s Fill Rate: 1.4 billion pixel/s Vertex/s: 263 million Memory Type: DDR2 with TC
GeForce_7_series
Series of x86 manycore processors from Intel
memory bandwidth at 300 W. The Xeon Phi 5110P will be capable of 1.01 teraFLOPS of double-precision floating-point instructions with 320 GB/s memory bandwidth
Xeon_Phi
Family of 64-bit Intel microprocessors
DDR-266 memory, giving 8.5 GB/s of bandwidth and 32 GB of capacity (though 12 DIMM slots). In versions with memory expander boards memory bandwidth reaches
Itanium
interface bit rates, a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate
List_of_interface_bit_rates
Type of cryptographic algorithm
integrating memory usage against time and measuring memory bandwidth consumption on a memory bus. Functions requiring high memory bandwidth are sometimes
Memory-hard_function
GPU microarchitecture by Nvidia
Capability 6.0. High Bandwidth Memory 2 — some cards feature 16 GiB HBM2 in four stacks with a total bus width of 4096 bits and a memory bandwidth of 720 GB/s
Pascal_(microarchitecture)
6th generation Xeon x86 server processors designed by Intel, released in 2024
MCR DIMMs were designed to provide higher capacities and increased memory bandwidth to high core count server processors compared to regular DDR5 RDIMMs
Granite_Rapids
Time delay between data read command and availability of data in a computer's RAM
predictable, pipeline stalls can occur, resulting in a loss of bandwidth. For a completely unknown memory access (AKA Random access), the relevant latency is the
CAS_latency
GPU microarchitecture by Nvidia
and compute for the GeForce 30 series High Bandwidth Memory 2 (HBM2) on A100 40 GB & A100 80 GB GDDR6X memory for GeForce RTX 3090, RTX 3080 Ti, RTX 3080
Ampere_(microarchitecture)
Second generation of double-data-rate synchronous dynamic random-access memory
memory operating at twice the external data bus clock rate as DDR may provide twice the bandwidth with the same latency. The best-rated DDR2 memory modules
DDR2_SDRAM
Type of graphics card memory
Dynamic Random-Access Memory (GDDR7 SDRAM) is a type of synchronous graphics random-access memory (SGRAM) with a high-bandwidth, "double data rate" interface
GDDR7_SDRAM
Matrix in which most of the elements are zero
times more high speed, on-chip memory, 10,000 times more memory bandwidth, and 33,000 times more communication bandwidth. See scipy.sparse.dok_matrix See
Sparse_matrix
Series of personal computers
Power Mac G4 (AGP Graphics), featured a new logic board and faster memory bandwidth, and swapped the PCI graphics-card slot for a faster Advanced Graphics
Power_Mac_G4
Form of computer data storage
time of memory (known as memory latency) outside the CPU chip. An important reason for this disparity is the limited communication bandwidth beyond chip
Random-access_memory
AMD compute-focused GPU microarchitecture
and a 4096-bit memory bus, connected to four HBM2 placements, giving the die 32 GB of memory, and just over 1200 GB/s of memory bandwidth. Compared to its
CDNA_(microarchitecture)
In theory, this approach would dramatically reduce the amount of memory bandwidth required for 3D games and thereby lead to lower-cost graphics accelerators
Microsoft_Talisman
hardware. GDDR5 memory speed was increased from 5.5 Gbit/s (or 4× 1.375 GHz) to 6.8 Gbit/s (or 4× 1.7 GHz), increasing total memory bandwidth to 217.6 GB/s
PlayStation 4 technical specifications
PlayStation_4_technical_specifications
GPU microarchitecture by AMD released in 2020
This was done to avoid the use of a wider memory bus while still being able to maintain the same data bandwidth. Product technology architect Sam Naffziger
RDNA_2
Type of synchronous graphics random-access memory
Dynamic Random-Access Memory (GDDR6 SDRAM) is a type of synchronous graphics random-access memory (SGRAM) with a high-bandwidth, "double data rate" interface
GDDR6_SDRAM
Supercomputer in Jülich, Germany
featuring conventional central processing units (CPUs) with high memory bandwidth. The Cluster is specially designed for data-intensive tasks. Jupiter
Jupiter_(supercomputer)
Method of enhancing the image quality of textures on surfaces of computer graphics
the required texture memory bandwidth may grow to large values. Ranges of hundreds of gigabytes per second of pipeline bandwidth for texture rendering
Anisotropic_filtering
Formula in computer architecture
This analysis neglects other potential bottlenecks such as memory bandwidth and I/O bandwidth. If these resources do not scale with the number of processors
Amdahl's_law
CPU released in 2018
speculative execution controls such as SSBS, CSDB, SSBB, and PSSBB. Memory bandwidth is improved by up to 90% over the Cortex-A75. ARM targeted the Cortex-A76
ARM_Cortex-A76
Series of GPUs by Nvidia
For models with Max-Q technology, the effective speeds of memory transfer and bandwidth are stated below inside brackets. "OpenCL Driver Support | NVIDIA
GeForce_RTX_30_series
Display controller
required memory bandwidth and allowing either slower, less expensive memory chips to be used, more time for a system CPU to access the memory, or a combination
Motorola_6845
Open standard for parallelizing
times the computation power, but the memory bandwidth usually does not scale up N times. Quite often, the original memory path is shared by multiple processors
OpenMP
American company producing semiconductor devices
manufactures computer memory and computer data storage products, including dynamic random-access memory (DRAM), flash memory, High Bandwidth Memory (HBM), and solid-state
Micron_Technology
Amount of heat a computer's cooling system must dissipate
benchmarks, including TPC-C, SPECcpu2006, SPECjbb2005 and STREAM Benchmark (memory bandwidth), which AMD said is an appropriate method of power consumption measurement
Thermal_design_power
Processor microarchitecture
applications is often negligible. Optimally, the memory bandwidth afforded should match the bandwidth of the FSB, that is to say that a CPU with a 533 MT/s
Intel Core (microarchitecture)
Intel_Core_(microarchitecture)
Series of GPUs by Nvidia
core clock of 575 MHz, and 768 MB of 384-bit GDDR3 memory at 1.8 GHz, giving it a memory bandwidth of 86.4 GB/s. The card performs faster than a single
GeForce_8_series
Type of data buffer in computer graphics
foreground objects) or to omit it entirely, to reduce memory bandwidth requirements and memory requirements respectively. Super Smash Bros. and F-Zero
Z-buffering
Smooth approximation of one-hot arg max
involves several loops over the inputs, which would be bottlenecked by memory bandwidth. The FlashAttention method is a communication-avoiding algorithm that
Softmax_function
Computer system for running video games
considered a rough number as several other factors such as the CPU, memory bandwidth, and console architecture can impact the GPU's true performance. Coprocessors
Video_game_console
MEMORY BANDWIDTH
MEMORY BANDWIDTH
Male
Japanese
(守) Japanese name MAMORU means "protector."
Girl/Female
Tamil
Memory
Girl/Female
English American Welsh
Merry; mirthful; joyous. Also an abbreviation of Meredith.
Girl/Female
English American Greek
Melody.
Girl/Female
Tamil
Memory
Girl/Female
Arabic, Gujarati, Indian, Muslim, Parsi
Memory
Boy/Male
Australian, Farsi
Memory
Male
English
Variant spelling of English Emery, EMORY means "work-power."
Male
Polish
Polish form of Greek Methodios, METODY means "method."
Female
English
English name derived from the vocabulary word, MELODY means "melody."
Girl/Female
Indian, Sanskrit
Memory
Surname or Lastname
English
English : variant of Embury or Emery.
Girl/Female
Indian
Memory
Girl/Female
Gujarati, Hindu, Indian
Memory
Girl/Female
Muslim
Memory
Girl/Female
Afghan, Arabic, Muslim
Memory
Girl/Female
Indian
Memory
Girl/Female
Assamese, Bengali, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Memory
Boy/Male
Assamese, Indian
Memory
Surname or Lastname
English
English : variant spelling of Emery.
MEMORY BANDWIDTH
MEMORY BANDWIDTH
Biblical
Younan - Aramaic/Chaldo-Assyrian names for John
Girl/Female
Muslim/Islamic
Pretty very beautiful
Girl/Female
Scandinavian American French
Abbreviation of Katherine. Pure.
Girl/Female
Hindu, Indian
Surname of a Marathi Family
Boy/Male
Arabic, Muslim
Impatient
Girl/Female
Indian
A River Name
Female
Scottish
Scottish Gaelic form of Irish Gaelic Úna, probably ÙNA means "famine, hunger."Â
Boy/Male
Indian
Name of third dynsaty of Persian kings
Boy/Male
Gujarati, Indian
God
Surname or Lastname
English
English : unexplained. In some cases, probably an altered form of Irish Lally (see Mullally). This name occurs chiefly in AL.
MEMORY BANDWIDTH
MEMORY BANDWIDTH
MEMORY BANDWIDTH
MEMORY BANDWIDTH
MEMORY BANDWIDTH
n.
The time within which past events can be or are remembered; as, within the memory of man.
n.
The art of memory; a system of precepts and rules intended to assist the memory; artificial memory.
adv.
By, or from, memory.
n.
The faculty of the mind by which it retains the knowledge of previous thoughts, impressions, or events.
n.
A memorial account; a history composed from personal experience and memory; an account of transactions or events (usually written in familiar style) as they are remembered by the writer. See History, 2.
a.
Causing loss of memory.
n.
Memory.
n.
Any one of several species of fishes belonging to Echeneis, Remora, and allied genera. Called also sucking fish.
n.
Recital from memory; rehearsal.
n.
A memorial.
a.
Mnemonic; assisting the memory.
pl.
of Memory
n.
Memory; remembrance.
a.
Assisting in memory.
adv.
Beyond memory.
superl.
Causing laughter, mirth, gladness, or delight; as, / merry jest.
n.
The reach and positiveness with which a person can remember; the strength and trustworthiness of one's power to reach and represent or to recall the past; as, his memory was never wrong.
n.
Alt. of Memoirs
n.
Something, or an aggregate of things, remembered; hence, character, conduct, etc., as preserved in remembrance, history, or tradition; posthumous fame; as, the war became only a memory.
n.
The actual and distinct retention and recognition of past ideas in the mind; remembrance; as, in memory of youth; memories of foreign lands.