Product Compare

AMD Radeon Pro Duo Polaris vs NVIDIA GeForce GTX 660 Rev. 2

GPU GPU
Graphics Card
Release Date Apr 2017 Sep 2014
Generation Radeon Pro GCN GeForce 600
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1750 MHz 1502 MHz
Base Clock 980 MHz
Boost Clock 1032 MHz
Memory
Memory Size 16GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 192bit
Bandwidth 224.0GB/s 144.2GB/s
Render Config
Compute Units 36
Shading Units 2304 960
TMUs 144 80
ROPs 32 24
L1 Cache 16 KB (per CU) 16 KB (per SMX)
L2 Cache 2 MB 384 KB
Theoretical Performance
Pixel Rate 39.78 GPixel/s 20.64 GPixel/s
Texture Rate 179.0 GTexel/s 82.56 GTexel/s
FP16 (half) 5.728 TFLOPS
FP32 (float) 5.728 TFLOPS 1.981 TFLOPS
FP64 (double) 358.0 GFLOPS 82.56 GFLOPS
Graphics Processor
GPU Name Ellesmere GK104
GPU Variant Ellesmere Gemini GL
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 250W 140W
Suggested PSU 600 W 300 W
Outputs 1x HDMI 2.0b3x DisplayPort 1.4a 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 1x 6-pin
Graphics Features
DirectX 12 (12_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.1
Shader Model 6.7 5.1
CUDA 3.0