Product Compare

AMD Radeon RX 580 2048SP vs NVIDIA A40 PCIe

GPU GPU
Graphics Card
Release Date Oct 2018 Oct 2020
Generation Polaris Tesla
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1168 MHz 1305 MHz
Boost Clock 1284 MHz 1740 MHz
Memory Clock 1750 MHz 1812 MHz
Memory
Memory Size 4GB 48GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 384bit
Bandwidth 224.0GB/s 695.8GB/s
Render Config
Compute Units 32
Shading Units 2048 10752
TMUs 128 336
ROPs 32 112
L1 Cache 16 KB (per CU) 128 KB (per SM)
L2 Cache 2 MB 6 MB
SM Count 84
Tensor Cores 336
RT Cores 84
Theoretical Performance
Pixel Rate 41.09 GPixel/s 194.9 GPixel/s
Texture Rate 164.4 GTexel/s 584.6 GTexel/s
FP16 (half) 5.259 TFLOPS 37.42 TFLOPS
FP32 (float) 5.259 TFLOPS 37.42 TFLOPS
FP64 (double) 328.7 GFLOPS 584.6 GFLOPS
Graphics Processor
GPU Name Polaris 20 GA102
GPU Variant Polaris 20 XL(215-0910052)
Architecture GCN 4.0 Ampere
Foundry GlobalFoundries Samsung
Process Size 14 nm 8 nm
Transistors 5.7 billion 28.3 billion
Die Size 232 mm² 628 mm²
Board Design
TDP 150W 300W
Suggested PSU 450 W 700 W
Outputs 1x DVI1x HDMI 2.0b3x DisplayPort 1.4a 3x DisplayPort 1.4a
Power Connectors 1x 8-pin 8-pin EPS
Graphics Features
DirectX 12 (12_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.2 1.3
Shader Model 6.4 6.6
CUDA 8.6