GPUSPECINDEX

NVIDIA · Ampere · 2020

A40 GPU accelerator (PCIe card)

A40 GPU accelerator (PCIe card): 48 GB GDDR6, 300 W, 10,752 CUDA cores. Launched October 5, 2020.

Memory
48 GB
Power
300 W
Bus width
384 bit
Memory48 GB7 of 32 in Data Center
Power300 W12 of 40 by higher draw in Data Center
CUDA cores10,7529 of 47 in Data Center

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Memory

Capacity
48 GB
Memory type
GDDR6
Bus width
384 bit
Bandwidth
695.8 GB/s

Compute

CUDA cores
10,752
SM count
84
TMUs
336
ROPs
112
FP32
37,420 GFLOPS
FP64
1,168 GFLOPS

Clocks

Base clock
1,305 MHz
Boost clock
1,740 MHz

Board

TDP
300 W
Form factor
datacenter

Physical

Architecture
Ampere
Series
Data Center
Launch date
October 5, 2020

Not recorded by the source: generation, codename, process and transistors, or 7 further fields.

Silicon, made visible

Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.

Die size not recorded · 10,752 shadersDie size not recorded; shader grid shown without scale. Each dot = 128 shaders.10,752 shadersEach dot = 128 shadersDie size not recorded; shader grid shown without scale

Within its series, the A40 GPU accelerator (PCIe card) ranks 8th of 36 for FP32 throughput and 7th of 32 for memory capacity. Its 300 W TDP is above the 75 W PCIe slot-power ceiling.

Source: Wikipedia, revision 1369488585 · catalog loaded 2026-08-16