NVIDIA Tesla V100 DGXS 32 GB vs NVIDIA A40 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Mar 2018
Oct 2020
Generation
Tesla
Tesla
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1297 MHz
1305 MHz
Boost Clock
1530 MHz
1740 MHz
Memory Clock
876 MHz
1812 MHz
Memory
Memory Size
32GB
48GB
Memory Type
HBM2
GDDR6
Memory Bus
4096bit
384bit
Bandwidth
897.0GB/s
695.8GB/s
Render Config
SM Count
80
84
Shading Units
5120
10752
TMUs
320
336
ROPs
128
112
Tensor Cores
640
336
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
6 MB
6 MB
RT Cores
—
84
Theoretical Performance
Pixel Rate
195.8 GPixel/s
194.9 GPixel/s
Texture Rate
489.6 GTexel/s
584.6 GTexel/s
FP16 (half)
31.33 TFLOPS
37.42 TFLOPS
FP32 (float)
15.67 TFLOPS
37.42 TFLOPS
FP64 (double)
7.834 TFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
GV100
GA102
Architecture
Volta
Ampere
Foundry
TSMC
Samsung
Process Size
12 nm
8 nm
Transistors
21.1 billion
28.3 billion
Die Size
815 mm²
628 mm²
Board Design
TDP
250W
300W
Suggested PSU
600 W
700 W
Outputs
No outputs
3x DisplayPort 1.4a
Power Connectors
None
8-pin EPS
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
7.0
8.6
Shader Model
6.6
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.