Product Compare

AMD Radeon Pro V620 vs NVIDIA RTX A4000H

GPU GPU
Graphics Card
Release Date Nov 2021 Apr 2021
Generation Radeon Pro Quadro Ampere
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1825 MHz 735 MHz
Boost Clock 2200 MHz 1560 MHz
Memory Clock 2000 MHz 1750 MHz
Memory
Memory Size 32GB 16GB
Memory Type GDDR6 GDDR6
Memory Bus 256bit 256bit
Bandwidth 512.0GB/s 448.0GB/s
Render Config
Compute Units 72
Shading Units 4608 6144
TMUs 288 192
ROPs 128 96
RT Cores 72 48
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 4 MB 4 MB
L3 Cache 128 MB
SM Count 48
Tensor Cores 192
Theoretical Performance
Pixel Rate 281.6 GPixel/s 149.8 GPixel/s
Texture Rate 633.6 GTexel/s 299.5 GTexel/s
FP16 (half) 40.55 TFLOPS 19.17 TFLOPS
FP32 (float) 20.28 TFLOPS 19.17 TFLOPS
FP64 (double) 1267 GFLOPS 299.5 GFLOPS
Graphics Processor
GPU Name Navi 21 GA104
GPU Variant Navi 21 XT(215-121000177) GA104-???-A1
Architecture RDNA 2.0 Ampere
Foundry TSMC Samsung
Process Size 7 nm 8 nm
Transistors 26.8 billion 17.4 billion
Die Size 520 mm² 392 mm²
Board Design
TDP 300W 140W
Suggested PSU 700 W 300 W
Outputs No outputs 4x DisplayPort 1.4a
Power Connectors 2x 8-pin 1x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.3
Shader Model 6.5 6.7
CUDA 8.6