NVIDIA A40 PCIe vs AMD Radeon Pro V420
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Unknown
Generation
Tesla
Radeon Pro Vega
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1305 MHz
800 MHz
Boost Clock
1740 MHz
1700 MHz
Memory Clock
1812 MHz
800 MHz
Memory
Memory Size
48GB
32GB
Memory Type
GDDR6
HBM2
Memory Bus
384bit
4096bit
Bandwidth
695.8GB/s
819.2GB/s
Render Config
SM Count
84
-
Shading Units
10752
4096
TMUs
336
256
ROPs
112
64
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
4 MB
Compute Units
-
64
Theoretical Performance
Pixel Rate
194.9 GPixel/s
108.8 GPixel/s
Texture Rate
584.6 GTexel/s
435.2 GTexel/s
FP16 (half)
37.42 TFLOPS
27.85 TFLOPS
FP32 (float)
37.42 TFLOPS
13.93 TFLOPS
FP64 (double)
584.6 GFLOPS
6.963 TFLOPS
Graphics Processor
GPU Name
GA102
Vega 20
Architecture
Ampere
GCN 5.1
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
28.3 billion
13.23 billion
Die Size
628 mm²
331 mm²
GPU Variant
-
Vega 20 GLXT WS(215-0914026)
Board Design
TDP
300W
300W
Suggested PSU
700 W
700 W
Outputs
3x DisplayPort 1.4a
6x mini-DisplayPort 1.4a
Power Connectors
8-pin EPS
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.6
-
Shader Model
6.6
6.7