Product Compare
AMD Radeon RX 6950 XT vs AMD Radeon HD 8870 OEM
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | May 2022 | Jan 2013 |
| Generation | Navi II | Sea Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1860 MHz | |
| Boost Clock | 2310 MHz | |
| Memory Clock | 2250 MHz | 1200 MHz |
| Memory | ||
| Memory Size | 16GB | 2GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 576.0GB/s | 153.6GB/s |
| Render Config | ||
| Compute Units | 80 | 20 |
| Shading Units | 5120 | 1280 |
| TMUs | 320 | 80 |
| ROPs | 128 | 32 |
| RT Cores | 80 | |
| L1 Cache | 128 KB per Array | 16 KB (per CU) |
| L2 Cache | 4 MB | 512 KB |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 295.7 GPixel/s | 32.00 GPixel/s |
| Texture Rate | 739.2 GTexel/s | 80.00 GTexel/s |
| FP16 (half) | 47.31 TFLOPS | |
| FP32 (float) | 23.65 TFLOPS | 2.560 TFLOPS |
| FP64 (double) | 1478 GFLOPS | 160.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | Pitcairn |
| GPU Variant | Navi 21 KXTX(215-121000289) | Pitcairn XT(215-0828047) |
| Architecture | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 28 nm |
| Transistors | 26.8 billion | 2.8 billion |
| Die Size | 520 mm² | 212 mm² |
| Board Design | ||
| TDP | 335W | 175W |
| Suggested PSU | 700 W | 450 W |
| Outputs | 1x HDMI 2.12x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 2x 8-pin | 2x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.3 | 1.2 |
| Shader Model | 6.5 | 5.1 |