Product Compare

AMD Radeon RX 560X vs AMD Radeon HD 8770 OEM

GPU GPU
Graphics Card
Release Date Apr 2018 Sep 2013
Generation Polaris Sea Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x8 PCIe 3.0 x16
Clock Speeds
Base Clock 1175 MHz
Boost Clock 1275 MHz
Memory Clock 1750 MHz 1500 MHz
Memory
Memory Size 4GB 1024MB
Memory Type GDDR5 GDDR5
Memory Bus 128bit 128bit
Bandwidth 112.0GB/s 96.00GB/s
Render Config
Compute Units 16 14
Shading Units 1024 896
TMUs 64 56
ROPs 16 16
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 1024 KB 256 KB
Theoretical Performance
Pixel Rate 20.40 GPixel/s 16.80 GPixel/s
Texture Rate 81.60 GTexel/s 58.80 GTexel/s
FP16 (half) 2.611 TFLOPS
FP32 (float) 2.611 TFLOPS 1.882 TFLOPS
FP64 (double) 163.2 GFLOPS 117.6 GFLOPS
Graphics Processor
GPU Name Polaris 21 Bonaire
GPU Variant Polaris 21 XT(215-0908004) Bonaire XT(215-0839039)
Architecture GCN 4.0 GCN 2.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 28 nm
Transistors 3 billion 2.08 billion
Die Size 123 mm² 160 mm²
Board Design
TDP 75W 85W
Suggested PSU 250 W 250 W
Outputs 1x DVI1x HDMI 2.0b1x DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors None 1x 6-pin
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.0
Vulkan 1.2 1.2
Shader Model 6.4 6.3