NVIDIA A100 40GB vs NVIDIA A100X Full Specs

Summary

6,912 Shaders 1.41GHz	6,912 Shaders 1.44GHz
40GB HBM2e1.55TB/s	80GB HBM2e2.04TB/s
Peak·FP32·FP16 19.49 TFLOPS	Peak·FP32·FP16 19.91 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 250W	TDP 300W
Power Connectors 1x 8-Pin EPS	Power Connectors 1x 8-Pin EPS

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 Tensor FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

A100 40GB2.5 POPSINT4 Tensor Sparse

x1

A100X2.55 POPSINT4 Tensor Sparse

x1.02

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Theoretical Performance

Clock Speed1410MHz UC·Base·Boost·OC	Clock Speed1440MHz UC·Base·Boost·OC
Peak OPS 2.5 POPSINT4 Tensor Sparse	Peak OPS 2.55 POPSINT4 Tensor Sparse
Tensor FP16-16 311.9 TFLOPS FP16-16 Tensor Sparse 623.7 TFLOPS Tensor FP16-32 311.9 TFLOPS FP16-32 Tensor Sparse 623.7 TFLOPS	Tensor FP16-16 318.5 TFLOPS FP16-16 Tensor Sparse 637 TFLOPS Tensor FP16-32 318.5 TFLOPS FP16-32 Tensor Sparse 637 TFLOPS
BF16 38.98 TFLOPS Tensor BF16 311.9 TFLOPS BF16 Tensor Sparse 623.7 TFLOPS	BF16 39.81 TFLOPS Tensor BF16 318.5 TFLOPS BF16 Tensor Sparse 637 TFLOPS
Tensor TF32 155.9 TFLOPS	Tensor TF32 159.3 TFLOPS
FP32 19.49 TFLOPS	FP32 19.91 TFLOPS
FP64 9.75 TFLOPS Tensor FP64 19.49 TFLOPS	FP64 9.95 TFLOPS Tensor FP64 19.91 TFLOPS
Tensor INT4 1.25 POPS	Tensor INT4 1.27 POPS
Tensor INT8 623.7 TOPS	Tensor INT8 637 TOPS
Pixel Rate 225.6 GPixel/s	Pixel Rate 230.4 GPixel/s
Texture Rate 609.1 GTexel/s	Texture Rate 622.1 GTexel/s

Core Config

Shaders 6,912 Shaders	Shaders 6,912 Shaders
TMUs 432 TMUs	TMUs 432 TMUs
ROPs 160 ROPs	ROPs 160 ROPs
Tensor Cores 432 T-Cores	Tensor Cores 432 T-Cores
SMs 108 SMs	SMs 108 SMs

Clocks

Base Clock 765MHz	Base Clock 795MHz
Boost Clock 1.41GHz	Boost Clock 1.44GHz

Cache

L2 Cache 41MB shared

L2 Cache 41MB shared

Memory

40GB HBM2e	80GB HBM2e
Memory Bus 5120-bit	Memory Bus 5120-bit
Memory Speed 2.4GT/s	Memory Speed 3.2GT/s
Memory Bandwidth 1.55TB/s	Memory Bandwidth 2.04TB/s

Power & Thermals

TDP 250W

TDP 300W

Decoder

Decoder Model 5x NVDEC 4

Decoder Model 5x NVDEC 4

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2-Slots
Height 111 mm (4.37") Width 267 mm (10.51") Depth 40 mm (1.57")	Height 111 mm (4.37") Width 267 mm (10.51") Depth 40 mm (1.57")
Cooling Passive	Cooling Passive
Power Connectors 1x 8-Pin EPS	Power Connectors 1x 8-Pin EPS

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Ampere	Architecture Ampere
Family Server	Family Server
Branding	Branding
Codename NV170	Codename NV170
Market Segment Server	Market Segment Server
Release Date Jun 28, 2021	Release Date Jun 28, 2021

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 7N	Fabrication Node 7N
Die Size 826mm²	Die Size 826mm²
Transistor Count 54.2 Billion	Transistor Count 54.2 Billion
Transistor Density 65.62 MTr/mm²	Transistor Density 65.62 MTr/mm²

Images

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