Product Compare
AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 1660 Ti Max Q
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2020 | Apr 2019 |
| Generation | Navi II | GeForce 16 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1825 MHz | 1140 MHz |
| Boost Clock | 2250 MHz | 1335 MHz |
| Memory Clock | 2000 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 16GB | 6GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256bit | 192bit |
| Bandwidth | 512.0GB/s | 288.0GB/s |
| Render Config | ||
| Compute Units | 72 | |
| Shading Units | 4608 | 1536 |
| TMUs | 288 | 96 |
| ROPs | 128 | 48 |
| RT Cores | 72 | |
| L1 Cache | 128 KB per Array | 64 KB (per SM) |
| L2 Cache | 4 MB | 1536 KB |
| L3 Cache | 128 MB | |
| SM Count | 24 | |
| Theoretical Performance | ||
| Pixel Rate | 288.0 GPixel/s | 64.08 GPixel/s |
| Texture Rate | 648.0 GTexel/s | 128.2 GTexel/s |
| FP16 (half) | 41.47 TFLOPS | 8.202 TFLOPS |
| FP32 (float) | 20.74 TFLOPS | 4.101 TFLOPS |
| FP64 (double) | 1296 GFLOPS | 128.2 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | TU116 |
| GPU Variant | Navi 21 XT(215-121000177) | |
| Architecture | RDNA 2.0 | Turing |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 12 nm |
| Transistors | 26.8 billion | 6.6 billion |
| Die Size | 520 mm² | 284 mm² |
| Board Design | ||
| TDP | 300W | Unknown |
| Suggested PSU | 700 W | |
| Outputs | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C | Portable Device Dependent |
| Power Connectors | 2x 8-pin | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.3 | 1.3 |
| Shader Model | 6.5 | 6.7 |
| CUDA | 7.5 | |
| Benchmarks | ||
| 3DMark Time Spy | 19329 | 4973 |