Product Compare
AMD Radeon R9 280X vs AMD Radeon RX 6600
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2013 | Oct 2021 |
| Generation | Volcanic Islands | Navi II |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Clock Speeds | ||
| Base Clock | 850 MHz | 1626 MHz |
| Boost Clock | 1000 MHz | 2491 MHz |
| Memory Clock | 1500 MHz | 1750 MHz |
| Memory | ||
| Memory Size | 3GB | 8GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 384bit | 128bit |
| Bandwidth | 288.0GB/s | 224.0GB/s |
| Render Config | ||
| Compute Units | 32 | 28 |
| Shading Units | 2048 | 1792 |
| TMUs | 128 | 112 |
| ROPs | 32 | 64 |
| L1 Cache | 16 KB (per CU) | 128 KB per Array |
| L2 Cache | 768 KB | 2 MB |
| RT Cores | 28 | |
| L3 Cache | 32 MB | |
| Theoretical Performance | ||
| Pixel Rate | 32.00 GPixel/s | 159.4 GPixel/s |
| Texture Rate | 128.0 GTexel/s | 279.0 GTexel/s |
| FP32 (float) | 4.096 TFLOPS | 8.928 TFLOPS |
| FP64 (double) | 1024 GFLOPS | 558.0 GFLOPS |
| FP16 (half) | 17.86 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Tahiti | Navi 23 |
| GPU Variant | Tahiti XTL(215-0821065) | Navi 23 XL(215-130000016) |
| Architecture | GCN 1.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 7 nm |
| Transistors | 4.313 billion | 11.06 billion |
| Die Size | 352 mm² | 237 mm² |
| Board Design | ||
| TDP | 250W | 132W |
| Suggested PSU | 600 W | 300 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x HDMI 2.13x DisplayPort 1.4a |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 8-pin |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 5.1 | 6.5 |