Product Compare
AMD Radeon RX 6900 XT vs AMD Radeon RX 6550S
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2020 | Jan 2023 |
| Generation | Navi II | Navi Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x4 |
| Clock Speeds | ||
| Base Clock | 1825 MHz | 2000 MHz |
| Boost Clock | 2250 MHz | 2400 MHz |
| Memory Clock | 2000 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 16GB | 4GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256bit | 64bit |
| Bandwidth | 512.0GB/s | 128.0GB/s |
| Render Config | ||
| Compute Units | 80 | 16 |
| Shading Units | 5120 | 1024 |
| TMUs | 320 | 64 |
| ROPs | 128 | 32 |
| RT Cores | 80 | 16 |
| L1 Cache | 128 KB per Array | 128 KB per Array |
| L2 Cache | 4 MB | 1024 KB |
| L3 Cache | 128 MB | 16 MB |
| Theoretical Performance | ||
| Pixel Rate | 288.0 GPixel/s | 76.80 GPixel/s |
| Texture Rate | 720.0 GTexel/s | 153.6 GTexel/s |
| FP16 (half) | 46.08 TFLOPS | 9.830 TFLOPS |
| FP32 (float) | 23.04 TFLOPS | 4.915 TFLOPS |
| FP64 (double) | 1440.0 GFLOPS | 307.2 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | Navi 24 |
| GPU Variant | Navi 21 XTX(215-121000167) | Navi 24 |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 6 nm |
| Transistors | 26.8 billion | 5.4 billion |
| Die Size | 520 mm² | 107 mm² |
| Board Design | ||
| TDP | 300W | 50W |
| 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 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.2 |
| Vulkan | 1.4 | 1.3 |
| Shader Model | 6.8 | 6.7 |