Product Compare
AMD Radeon RX 6600 vs NVIDIA GeForce GTX 660 Ti
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2021 | Aug 2012 |
| Generation | Navi II | GeForce 600 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1626 MHz | 915 MHz |
| Boost Clock | 2491 MHz | 980 MHz |
| Memory Clock | 1750 MHz | 1502 MHz |
| Memory | ||
| Memory Size | 8GB | 2GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 128bit | 192bit |
| Bandwidth | 224.0GB/s | 144.2GB/s |
| Render Config | ||
| Compute Units | 28 | |
| Shading Units | 1792 | 1344 |
| TMUs | 112 | 112 |
| ROPs | 64 | 24 |
| RT Cores | 28 | |
| L1 Cache | 128 KB per Array | 16 KB (per SMX) |
| L2 Cache | 2 MB | 384 KB |
| L3 Cache | 32 MB | |
| Theoretical Performance | ||
| Pixel Rate | 159.4 GPixel/s | 27.44 GPixel/s |
| Texture Rate | 279.0 GTexel/s | 109.8 GTexel/s |
| FP16 (half) | 17.86 TFLOPS | |
| FP32 (float) | 8.928 TFLOPS | 2.634 TFLOPS |
| FP64 (double) | 558.0 GFLOPS | 109.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 23 | GK104 |
| GPU Variant | Navi 23 XL(215-130000016) | GK104-300-KD-A2 |
| Architecture | RDNA 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 28 nm |
| Transistors | 11.06 billion | 3.54 billion |
| Die Size | 237 mm² | 294 mm² |
| Board Design | ||
| TDP | 132W | 150W |
| Suggested PSU | 300 W | 450 W |
| Outputs | 1x HDMI 2.13x DisplayPort 1.4a | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 1x 8-pin | 2x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.3 | 1.1 |
| Shader Model | 6.5 | 5.1 |
| CUDA | 3.0 | |