Product Compare
AMD Radeon RX 580X vs NVIDIA GeForce GTX 660 Rev. 2
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Apr 2018 | Sep 2014 |
| Generation | Polaris | GeForce 600 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1257 MHz | 980 MHz |
| Boost Clock | 1340 MHz | 1032 MHz |
| Memory Clock | 2000 MHz | 1502 MHz |
| Memory | ||
| Memory Size | 8GB | 2GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 192bit |
| Bandwidth | 256.0GB/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 | 42.88 GPixel/s | 20.64 GPixel/s |
| Texture Rate | 193.0 GTexel/s | 82.56 GTexel/s |
| FP16 (half) | 6.175 TFLOPS | |
| FP32 (float) | 6.175 TFLOPS | 1.981 TFLOPS |
| FP64 (double) | 385.9 GFLOPS | 82.56 GFLOPS |
| Graphics Processor | ||
| GPU Name | Polaris 20 | GK104 |
| GPU Variant | Polaris 20 XTX(215-0910038) | |
| 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 | 185W | 140W |
| Suggested PSU | 450 W | 300 W |
| Outputs | 1x HDMI 2.0b3x DisplayPort 1.4a | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 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 | 1.2 | 1.1 |
| Shader Model | 6.4 | 5.1 |
| CUDA | 3.0 | |