Product Compare
AMD Radeon RX 7950 XT vs NVIDIA GeForce GTX 660
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Unknown | Sep 2012 |
| Generation | Navi III | GeForce 600 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 2000 MHz | 980 MHz |
| Boost Clock | 3000 MHz | 1032 MHz |
| Memory Clock | 2500 MHz | 1502 MHz |
| Memory | ||
| Memory Size | 20GB | 2GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 320bit | 192bit |
| Bandwidth | 800.0GB/s | 144.2GB/s |
| Render Config | ||
| Compute Units | 84 | |
| Shading Units | 5376 | 960 |
| TMUs | 336 | 80 |
| ROPs | 192 | 24 |
| RT Cores | 84 | |
| L1 Cache | 256 KB per Array | 16 KB (per SMX) |
| L2 Cache | 6 MB | 384 KB |
| L3 Cache | 80 MB | |
| Theoretical Performance | ||
| Pixel Rate | 576.0 GPixel/s | 20.64 GPixel/s |
| Texture Rate | 1008 GTexel/s | 82.56 GTexel/s |
| FP16 (half) | 129.0 TFLOPS | |
| FP32 (float) | 64.51 TFLOPS | 1.981 TFLOPS |
| FP64 (double) | 2.016 TFLOPS | 82.56 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 31 | GK106 |
| GPU Variant | Navi 31 XT+ | GK106-400-A1 |
| Architecture | RDNA 3.0 | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 28 nm |
| Transistors | 57.7 billion | 2.54 billion |
| Die Size | 529 mm² | 221 mm² |
| Board Design | ||
| TDP | 300W | 140W |
| Suggested PSU | 700 W | 300 W |
| Outputs | 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 2x 8-pin | 1x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 3.0 |
| Vulkan | 1.3 | 1.1 |
| Shader Model | 6.7 | 5.1 |
| CUDA | 3.0 | |