Product Compare

AMD Radeon R9 270 1024SP vs AMD Radeon RX 570X

GPU GPU
Graphics Card
Release Date Mar 2015 Apr 2018
Generation Volcanic Islands Polaris
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 900 MHz 1168 MHz
Boost Clock 925 MHz 1244 MHz
Memory Clock 1200 MHz 1750 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 153.6GB/s 224.0GB/s
Render Config
Compute Units 16 32
Shading Units 1024 2048
TMUs 64 128
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 39.81 GPixel/s
Texture Rate 59.20 GTexel/s 159.2 GTexel/s
FP32 (float) 1.894 TFLOPS 5.095 TFLOPS
FP64 (double) 118.4 GFLOPS 318.5 GFLOPS
FP16 (half) 5.095 TFLOPS
Graphics Processor
GPU Name Pitcairn Polaris 20
GPU Variant Pitcairn PRO(215-0828062) Polaris 20 XL(215-0910052)
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 150W 150W
Suggested PSU 450 W 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 1x DVI1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors 1x 6-pin 1x 6-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