Product Compare

AMD Radeon HD 8860 OEM vs AMD Radeon RX 580X

GPU GPU
Graphics Card
Release Date Jan 2013 Apr 2018
Generation Sea Islands Polaris
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1400 MHz 2000 MHz
Base Clock 1257 MHz
Boost Clock 1340 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 179.2GB/s 256.0GB/s
Render Config
Compute Units 20 36
Shading Units 1280 2304
TMUs 80 144
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 2 MB
Theoretical Performance
Pixel Rate 29.60 GPixel/s 42.88 GPixel/s
Texture Rate 74.00 GTexel/s 193.0 GTexel/s
FP32 (float) 2.368 TFLOPS 6.175 TFLOPS
FP64 (double) 148.0 GFLOPS 385.9 GFLOPS
FP16 (half) 6.175 TFLOPS
Graphics Processor
GPU Name Curacao Polaris 20
GPU Variant Curacao PRO(215-0848000) Polaris 20 XTX(215-0910038)
Architecture GCN 1.0 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 2.8 billion 5.7 billion
Die Size 212 mm² 232 mm²
Board Design
TDP 175W 185W
Suggested PSU 450 W 450 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors 1x 6-pin 1x 8-pin
Graphics Features
DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2 1.2
Shader Model 5.1 6.4