Product Compare

AMD Radeon RX 560X vs AMD Radeon RX 580G

GPU GPU
Graphics Card
Release Date Apr 2018 Oct 2018
Generation Polaris Polaris
Type Desktop Desktop
Bus Interface PCIe 3.0 x8 PCIe 3.0 x16
Clock Speeds
Base Clock 1175 MHz 1257 MHz
Boost Clock 1275 MHz 1330 MHz
Memory Clock 1750 MHz 2000 MHz
Memory
Memory Size 4GB 8GB
Memory Type GDDR5 GDDR5
Memory Bus 128bit 256bit
Bandwidth 112.0GB/s 256.0GB/s
Render Config
Compute Units 16 36
Shading Units 1024 2304
TMUs 64 144
ROPs 16 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 1024 KB 2 MB
Theoretical Performance
Pixel Rate 20.40 GPixel/s 42.56 GPixel/s
Texture Rate 81.60 GTexel/s 191.5 GTexel/s
FP16 (half) 2.611 TFLOPS 6.129 TFLOPS
FP32 (float) 2.611 TFLOPS 6.129 TFLOPS
FP64 (double) 163.2 GFLOPS 383.0 GFLOPS
Graphics Processor
GPU Name Polaris 21 Polaris 20
GPU Variant Polaris 21 XT(215-0908004) Polaris 20 XTX(215-0910038)
Architecture GCN 4.0 GCN 4.0
Foundry GlobalFoundries GlobalFoundries
Process Size 14 nm 14 nm
Transistors 3 billion 5.7 billion
Die Size 123 mm² 232 mm²
Board Design
TDP 75W 185W
Suggested PSU 250 W 450 W
Outputs 1x DVI1x HDMI 2.0b1x DisplayPort 1.4a 1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors None 1x 8-pin
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2 1.2
Shader Model 6.4 6.4