Product Compare

AMD Radeon RX 570 vs NVIDIA GeForce GTX 660 Rev. 2

GPU GPU
Graphics Card
Release Date Apr 2017 Sep 2014
Generation Polaris GeForce 600
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1168 MHz 980 MHz
Boost Clock 1244 MHz 1032 MHz
Memory Clock 1750 MHz 1502 MHz
Memory
Memory Size 4GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 192bit
Bandwidth 224.0GB/s 144.2GB/s
Render Config
Compute Units 32
Shading Units 2048 960
TMUs 128 80
ROPs 32 24
L1 Cache 16 KB (per CU) 16 KB (per SMX)
L2 Cache 2 MB 384 KB
Theoretical Performance
Pixel Rate 39.81 GPixel/s 20.64 GPixel/s
Texture Rate 159.2 GTexel/s 82.56 GTexel/s
FP16 (half) 5.095 TFLOPS
FP32 (float) 5.095 TFLOPS 1.981 TFLOPS
FP64 (double) 318.5 GFLOPS 82.56 GFLOPS
Graphics Processor
GPU Name Polaris 20 GK104
GPU Variant Polaris 20 XL(215-0910052)
Architecture GCN 4.0 Kepler
Foundry GlobalFoundries TSMC
Process Size 14 nm 28 nm
Transistors 5.7 billion 3.54 billion
Die Size 232 mm² 294 mm²
Board Design
TDP 150W 140W
Suggested PSU 450 W 300 W
Outputs 1x DVI1x HDMI 2.0b3x DisplayPort 1.4a 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 1x 6-pin 1x 6-pin
Graphics Features
DirectX 12 (12_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.2 1.1
Shader Model 6.4 5.1
CUDA 3.0