Product Compare

AMD Radeon RX 570X vs AMD Radeon HD 6870

GPU GPU
Graphics Card
Release Date Apr 2018 Oct 2010
Generation Polaris Northern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 1168 MHz
Boost Clock 1244 MHz
Memory Clock 1750 MHz 1050 MHz
Memory
Memory Size 8GB 1024MB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 224.0GB/s 134.4GB/s
Render Config
Compute Units 32 14
Shading Units 2048 1120
TMUs 128 56
ROPs 32 32
L1 Cache 16 KB (per CU) 8 KB (per CU)
L2 Cache 2 MB 512 KB
Theoretical Performance
Pixel Rate 39.81 GPixel/s 28.80 GPixel/s
Texture Rate 159.2 GTexel/s 50.40 GTexel/s
FP16 (half) 5.095 TFLOPS
FP32 (float) 5.095 TFLOPS 2.016 TFLOPS
FP64 (double) 318.5 GFLOPS
Graphics Processor
GPU Name Polaris 20 Barts
GPU Variant Polaris 20 XL(215-0910052) Barts XT(215-0798000)
Architecture GCN 4.0 TeraScale 2
Foundry GlobalFoundries TSMC
Process Size 14 nm 40 nm
Transistors 5.7 billion 1.7 billion
Die Size 232 mm² 255 mm²
Board Design
TDP 150W 151W
Suggested PSU 450 W 450 W
Outputs 1x DVI1x HDMI 2.0b3x DisplayPort 1.4a 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors 1x 6-pin 2x 6-pin
Graphics Features
DirectX 12 (12_0) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 2.1 1.2
Vulkan 1.2 N/A
Shader Model 6.4 5.0