Product Compare
AMD Radeon HD 6870 X2 vs AMD Radeon RX 7650 GRE
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jul 2011 | Feb 2025 |
| Generation | Northern Islands | Navi III |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 4.0 x8 |
| Clock Speeds | ||
| Memory Clock | 1050 MHz | 2250 MHz |
| Base Clock | 1720 MHz | |
| Boost Clock | 2695 MHz | |
| Memory | ||
| Memory Size | 1024MB | 8GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 256bit | 128bit |
| Bandwidth | 134.4GB/s | 288.0GB/s |
| Render Config | ||
| Compute Units | 14 | 32 |
| Shading Units | 1120 | 2048 |
| TMUs | 56 | 128 |
| ROPs | 32 | 64 |
| L1 Cache | 8 KB (per CU) | 128 KB per Array |
| L2 Cache | 512 KB | 2 MB |
| RT Cores | 32 | |
| L3 Cache | 32 MB | |
| Theoretical Performance | ||
| Pixel Rate | 28.80 GPixel/s | 172.5 GPixel/s |
| Texture Rate | 50.40 GTexel/s | 345.0 GTexel/s |
| FP32 (float) | 2.016 TFLOPS | 22.08 TFLOPS |
| FP16 (half) | 44.15 TFLOPS | |
| FP64 (double) | 689.9 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Barts | Navi 33 |
| GPU Variant | Barts XT(215-0798000) | Navi 33 XL(215-163000057) |
| Architecture | TeraScale 2 | RDNA 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 6 nm |
| Transistors | 1.7 billion | 13.3 billion |
| Die Size | 255 mm² | 204 mm² |
| Board Design | ||
| TDP | 300W | 165W |
| Suggested PSU | 700 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 | 1x HDMI 2.1a3x DisplayPort 2.1 |
| Power Connectors | 1x 8-pin | |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 Ultimate (12_2) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.2 |
| Vulkan | N/A | 1.3 |
| Shader Model | 5.0 | 6.8 |