NVIDIA A16 vs NVIDIA A40 Full Specs

Summary

5,120 Shaders 1.7GHz	10,752 Shaders 1.74GHz
64GB GDDR6463.4GB/s	48GB GDDR6347.9GB/s
Peak·FP32·FP16 17.36 TFLOPS	Peak·FP32·FP16 37.42 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 BF16 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

A16555.4 TOPSINT4 Tensor Sparse (4x 138.9 TOPS)

x1

A401.2 POPSINT4 Tensor Sparse

x2.16

Show Top Score

Theoretical Performance

Clock Speed1695MHz UC·Base·Boost·OC	Clock Speed1740MHz UC·Base·Boost·OC
Peak OPS 555.4 TOPSINT4 Tensor Sparse	Peak OPS 1.2 POPSINT4 Tensor Sparse
Tensor FP16-16 69.43 TFLOPS FP16-16 Tensor Sparse 138.9 TFLOPS Tensor FP16-32 34.71 TFLOPS FP16-32 Tensor Sparse 69.43 TFLOPS	Tensor FP16-16 149.7 TFLOPS FP16-16 Tensor Sparse 299.3 TFLOPS Tensor FP16-32 74.83 TFLOPS FP16-32 Tensor Sparse 149.7 TFLOPS
BF16 17.36 TFLOPS Tensor BF16 34.71 TFLOPS BF16 Tensor Sparse 69.43 TFLOPS	BF16 37.42 TFLOPS Tensor BF16 74.83 TFLOPS BF16 Tensor Sparse 149.7 TFLOPS
Tensor TF32 17.36 TFLOPS	Tensor TF32 37.42 TFLOPS
FP32 17.36 TFLOPS	FP32 37.42 TFLOPS
FP64 271.2 GFLOPS	FP64 584.6 GFLOPS
Tensor INT4 277.7 TOPS	Tensor INT4 598.7 TOPS
Tensor INT8 138.9 TOPS	Tensor INT8 299.3 TOPS
Ray 26.18 TOPS	Ray 56.43 TOPS
Pixel Rate 54.2 GPixel/s	Pixel Rate 194.9 GPixel/s
Texture Rate 67.8 GTexel/s	Texture Rate 584.6 GTexel/s

Core Config

Shaders 5,120 Shaders	Shaders 10,752 Shaders
TMUs 160 TMUs	TMUs 336 TMUs
ROPs 128 ROPs	ROPs 112 ROPs
Tensor Cores 160 T-Cores	Tensor Cores 336 T-Cores
RT Cores 40 RT-Cores	RT Cores 84 RT-Cores
SMs 40 SMs	SMs 84 SMs

Clocks

Base Clock 885MHz	Base Clock 1.3GHz
Boost Clock 1.7GHz	Boost Clock 1.74GHz

Cache

L2 Cache 2MB shared

L2 Cache 6.1MB shared

Memory

64GB GDDR6	48GB GDDR6
Memory Bus 128-bit	Memory Bus 384-bit
Memory Speed 7.2GT/s	Memory Speed 7.2GT/s
Memory Bandwidth 463.4GB/s	Memory Bandwidth 347.9GB/s

Power & Thermals

TDP 250W

TDP 300W

Video Output

Multi-Monitor -	Multi-Monitor 3
HDCP -	HDCP HDCP 2.3

Ports

-	3x DisplayPort 1.3

Encoder

Encoder Model NVENC 7

Encoder Model NVENC 7

Decoder

Decoder Model NVDEC 5

Decoder Model NVDEC 5

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2-Slots
Height 112 mm (4.41") Width 267 mm (10.51") Depth 40 mm (1.57")	Height 112 mm (4.41") 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 NV177	Codename NV172
Chip Variant GA107-140-A1	Chip Variant GA102-200-KD-A1
Market Segment Server	Market Segment Server
Release Date Apr 12, 2021	Release Date Oct 5, 2020

Fabrication

Foundry Samsung	Foundry Samsung
Fabrication Node 8N	Fabrication Node 8N
Die Size 200mm²	Die Size 628mm²
Transistor Count 8.7 Billion	Transistor Count 28.3 Billion
Transistor Density 43.5 MTr/mm²	Transistor Density 45.04 MTr/mm²

Images

No images available

No images available

Competitors

NVIDIAA16 vs GPU AMDRadeon RX 9060 XT 16GB NVIDIAA16 vs GPU AMDRadeon RX 7600 XT NVIDIAA16 vs GPU AMDRadeon RX 9070 Show 12 more

NVIDIAA40 vs GPU AMDInstinct MI300P NVIDIAA40 vs GPU NVIDIARTX PRO 4000 Blackwell NVIDIAA40 vs GPU NVIDIARTX PRO 4000 Blackwell SFF Show 12 more