Product Compare
NVIDIA GeForce GTX 660 OEM vs AMD Radeon RX 6800S
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Aug 2012 | Jan 2022 |
| Generation | GeForce 600 | Mobility Radeon |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Clock Speeds | ||
| Base Clock | 823 MHz | 1800 MHz |
| Boost Clock | 888 MHz | 2100 MHz |
| Memory Clock | 1400 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 1536MB | 8GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 192bit | 128bit |
| Bandwidth | 134.4GB/s | 256.0GB/s |
| Render Config | ||
| Shading Units | 1152 | 2048 |
| TMUs | 96 | 128 |
| ROPs | 24 | 64 |
| L1 Cache | 16 KB (per SMX) | 128 KB per Array |
| L2 Cache | 384 KB | 2 MB |
| Compute Units | 32 | |
| RT Cores | 32 | |
| L3 Cache | 32 MB | |
| Theoretical Performance | ||
| Pixel Rate | 21.31 GPixel/s | 134.4 GPixel/s |
| Texture Rate | 85.25 GTexel/s | 268.8 GTexel/s |
| FP32 (float) | 2.046 TFLOPS | 8.602 TFLOPS |
| FP64 (double) | 85.25 GFLOPS | 537.6 GFLOPS |
| FP16 (half) | 17.20 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK104 | Navi 23 |
| GPU Variant | GK104-200-KD-A2 | |
| Architecture | Kepler | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 7 nm |
| Transistors | 3.54 billion | 11.06 billion |
| Die Size | 294 mm² | 237 mm² |
| Board Design | ||
| TDP | 130W | 100W |
| Suggested PSU | 300 W | |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | No outputs |
| Power Connectors | 1x 6-pin | None |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | 1.1 | 1.3 |
| CUDA | 3.0 | |
| Shader Model | 5.1 | 6.5 |