Product Compare
AMD Radeon RX 8800 XT vs AMD Radeon RX 6800 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Unknown | Oct 2020 |
| Generation | Navi IV(RX 8000) | Navi II |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1295 MHz | 1825 MHz |
| Boost Clock | 2430 MHz | 2250 MHz |
| Memory Clock | 2438 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 16GB | 16GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 624.1GB/s | 512.0GB/s |
| Render Config | ||
| Compute Units | 64 | 72 |
| Shading Units | 4096 | 4608 |
| TMUs | 256 | 288 |
| ROPs | 96 | 128 |
| RT Cores | 64 | 72 |
| L1 Cache | 128 KB per Array | 128 KB per Array |
| L2 Cache | 4 MB | 4 MB |
| L3 Cache | 64 MB | 128 MB |
| Theoretical Performance | ||
| Pixel Rate | 233.3 GPixel/s | 288.0 GPixel/s |
| Texture Rate | 622.1 GTexel/s | 648.0 GTexel/s |
| FP16 (half) | 39.81 TFLOPS | 41.47 TFLOPS |
| FP32 (float) | 19.91 TFLOPS | 20.74 TFLOPS |
| FP64 (double) | 622.1 GFLOPS | 1296 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 48 | Navi 21 |
| GPU Variant | Navi 48 XT | Navi 21 XT(215-121000177) |
| Architecture | RDNA 4.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 4 nm | 7 nm |
| Transistors | Unknown | 26.8 billion |
| Die Size | Unknown | 520 mm² |
| Board Design | ||
| TDP | 220W | 300W |
| Suggested PSU | 550 W | 700 W |
| Outputs | 1x HDMI 2.1a3x DisplayPort 2.1 | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 2.1 |
| Vulkan | 1.3 | 1.3 |
| Shader Model | 6.8 | 6.5 |