Product Compare

AMD Radeon RX Vega 56 vs AMD Radeon RX 580X Mobile

GPU GPU
Graphics Card
Release Date Aug 2017 Apr 2018
Generation Vega Mobility Radeon
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 MXM-B (3.0)
Clock Speeds
Base Clock 1156 MHz 1000 MHz
Boost Clock 1471 MHz 1077 MHz
Memory Clock 800 MHz 2000 MHz
Memory
Memory Size 8GB 8GB
Memory Type HBM2 GDDR5
Memory Bus 2048bit 256bit
Bandwidth 409.6GB/s 256.0GB/s
Render Config
Compute Units 56 36
Shading Units 3584 2304
TMUs 224 144
ROPs 64 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 4 MB 2 MB
Theoretical Performance
Pixel Rate 94.14 GPixel/s 34.46 GPixel/s
Texture Rate 329.5 GTexel/s 155.1 GTexel/s
FP16 (half) 21.09 TFLOPS 4.963 TFLOPS
FP32 (float) 10.54 TFLOPS 4.963 TFLOPS
FP64 (double) 659.0 GFLOPS 310.2 GFLOPS
Graphics Processor
GPU Name Vega 10 Polaris 20
GPU Variant Vega 10 XL(215-0894216) Polaris 20M XT
Architecture GCN 5.0 GCN 4.0
Foundry GlobalFoundries GlobalFoundries
Process Size 14 nm 14 nm
Transistors 12.5 billion 5.7 billion
Die Size 495 mm² 232 mm²
Board Design
TDP 210W 100W
Suggested PSU 550 W
Outputs 1x HDMI 2.0b3x DisplayPort 1.4a No outputs
Power Connectors 2x 8-pin None
Graphics Features
DirectX 12 (12_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2 1.2
Shader Model 6.4 6.4