Product Compare
AMD Radeon HD 6850 X2 vs AMD Radeon RX 6800
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2011 | Oct 2020 |
| Generation | Northern Islands | Navi II |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1050 MHz | 2000 MHz |
| Base Clock | 1700 MHz | |
| Boost Clock | 2105 MHz | |
| Memory | ||
| Memory Size | 2GB | 16GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 134.4GB/s | 512.0GB/s |
| Render Config | ||
| Compute Units | 12 | 60 |
| Shading Units | 960 | 3840 |
| TMUs | 48 | 240 |
| ROPs | 32 | 96 |
| L1 Cache | 8 KB (per CU) | 128 KB per Array |
| L2 Cache | 512 KB | 4 MB |
| RT Cores | 60 | |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 25.60 GPixel/s | 202.1 GPixel/s |
| Texture Rate | 38.40 GTexel/s | 505.2 GTexel/s |
| FP32 (float) | 1.536 TFLOPS | 16.17 TFLOPS |
| FP16 (half) | 32.33 TFLOPS | |
| FP64 (double) | 1010 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Barts | Navi 21 |
| GPU Variant | Barts PRO(215-0798006) | Navi 21 XL(215-121000187) |
| Architecture | TeraScale 2 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 7 nm |
| Transistors | 1.7 billion | 26.8 billion |
| Die Size | 255 mm² | 520 mm² |
| Board Design | ||
| TDP | 254W | 250W |
| Suggested PSU | 600 W | 600 W |
| Outputs | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 Ultimate (12_2) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | N/A | 1.3 |
| Shader Model | 5.0 | 6.5 |