Product Compare
AMD Radeon RX 6600S vs AMD Radeon HD 6870
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2022 | Oct 2010 |
| Generation | Mobility Radeon | Northern Islands |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 4.0 x8 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Base Clock | 1700 MHz | |
| Boost Clock | 2000 MHz | |
| Memory Clock | 1750 MHz | 1050 MHz |
| Memory | ||
| Memory Size | 4GB | 1024MB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 128bit | 256bit |
| Bandwidth | 224.0GB/s | 134.4GB/s |
| Render Config | ||
| Compute Units | 28 | 14 |
| Shading Units | 1792 | 1120 |
| TMUs | 112 | 56 |
| ROPs | 64 | 32 |
| RT Cores | 28 | |
| L1 Cache | 128 KB per Array | 8 KB (per CU) |
| L2 Cache | 2 MB | 512 KB |
| L3 Cache | 32 MB | |
| Theoretical Performance | ||
| Pixel Rate | 128.0 GPixel/s | 28.80 GPixel/s |
| Texture Rate | 224.0 GTexel/s | 50.40 GTexel/s |
| FP16 (half) | 14.34 TFLOPS | |
| FP32 (float) | 7.168 TFLOPS | 2.016 TFLOPS |
| FP64 (double) | 448.0 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Navi 23 | Barts |
| Architecture | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 40 nm |
| Transistors | 11.06 billion | 1.7 billion |
| Die Size | 237 mm² | 255 mm² |
| GPU Variant | Barts XT(215-0798000) | |
| Board Design | ||
| TDP | 80W | 151W |
| Outputs | No outputs | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power Connectors | None | 2x 6-pin |
| Suggested PSU | 450 W | |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.3 | N/A |
| Shader Model | 6.5 | 5.0 |