NVIDIA A2 vs NVIDIA A800 40GB Full Specs

Summary

1,280 Shaders 1.77GHz	6,912 Shaders 1.41GHz
16GB GDDR6100.1GB/s	40GB HBM2e1.55TB/s
Peak·FP32·FP16 4.53 TFLOPS	Peak·FP32·FP16 19.49 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 60W	TDP 250W
Power Connectors -	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

A2145 TOPSINT4 Tensor Sparse

x1

A800 40GB2.5 POPSINT4 Tensor Sparse

x17.21

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Theoretical Performance

Clock Speed1770MHz UC·Base·Boost·OC	Clock Speed1410MHz UC·Base·Boost·OC
Peak OPS 145 TOPSINT4 Tensor Sparse	Peak OPS 2.5 POPSINT4 Tensor Sparse
Tensor FP16-16 18.12 TFLOPS FP16-16 Tensor Sparse 36.25 TFLOPS Tensor FP16-32 9.06 TFLOPS FP16-32 Tensor Sparse 18.12 TFLOPS	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
BF16 4.53 TFLOPS Tensor BF16 9.06 TFLOPS BF16 Tensor Sparse 18.12 TFLOPS	BF16 38.98 TFLOPS Tensor BF16 311.9 TFLOPS BF16 Tensor Sparse 623.7 TFLOPS
Tensor TF32 4.53 TFLOPS	Tensor TF32 155.9 TFLOPS
FP32 4.53 TFLOPS	FP32 19.49 TFLOPS
FP64 70.8 GFLOPS Tensor FP64 -	FP64 9.75 TFLOPS Tensor FP64 19.49 TFLOPS
Tensor INT4 72.5 TOPS	Tensor INT4 1.25 POPS
Tensor INT8 36.25 TOPS	Tensor INT8 623.7 TOPS
Ray 6.83 TOPS	Ray -
Pixel Rate 56.6 GPixel/s	Pixel Rate 225.6 GPixel/s
Texture Rate 70.8 GTexel/s	Texture Rate 609.1 GTexel/s

Core Config

Shaders 1,280 Shaders	Shaders 6,912 Shaders
TMUs 40 TMUs	TMUs 432 TMUs
ROPs 32 ROPs	ROPs 160 ROPs
Tensor Cores 40 T-Cores	Tensor Cores 432 T-Cores
RT Cores 10 RT-Cores	RT Cores -
SMs 10 SMs	SMs 108 SMs

Clocks

Base Clock 1.44GHz	Base Clock 765MHz
Boost Clock 1.77GHz	Boost Clock 1.41GHz

Cache

L2 Cache 2MB shared

L2 Cache 41MB shared

Memory

16GB GDDR6	40GB HBM2e
Memory Bus 128-bit	Memory Bus 5120-bit
Memory Speed 6.3GT/s	Memory Speed 2.4GT/s
Memory Bandwidth 100.1GB/s	Memory Bandwidth 1.55TB/s

Power & Thermals

TDP 60W

TDP 250W

Encoder

Encoder Model NVENC 7

-

Decoder

Decoder Model NVDEC 5

Decoder Model 5x NVDEC 4

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 2-Slots
Height 69 mm (2.72") Width 168 mm (6.61") Depth 20 mm (0.79")	Height 111 mm (4.37") Width 267 mm (10.51") Depth 40 mm (1.57")
Cooling Passive	Cooling Passive
Power Connectors -	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 NV177	Codename NV170
Chip Variant GA107-140-A1	Chip Variant -
Market Segment Server	Market Segment Server
Release Date Nov 10, 2021	Release Date Jun 28, 2021

Fabrication

Foundry Samsung	Foundry TSMC
Fabrication Node 8N	Fabrication Node 7N
Die Size 200mm²	Die Size 826mm²
Transistor Count 8.7 Billion	Transistor Count 54.2 Billion
Transistor Density 43.5 MTr/mm²	Transistor Density 65.62 MTr/mm²

Images

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