Product Compare
AMD Radeon RX 7900 GRE vs AMD Radeon RX 6800M
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jul 2023 | May 2021 |
| Generation | Navi III | Mobility Radeon |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1287 MHz | 2116 MHz |
| Boost Clock | 2245 MHz | 2390 MHz |
| Memory Clock | 2250 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 16GB | 12GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256bit | 192bit |
| Bandwidth | 576.0GB/s | 384.0GB/s |
| Render Config | ||
| Compute Units | 80 | 40 |
| Shading Units | 5120 | 2560 |
| TMUs | 320 | 160 |
| ROPs | 160 | 64 |
| RT Cores | 80 | 40 |
| L1 Cache | 256 KB per Array | 128 KB per Array |
| L2 Cache | 6 MB | 3 MB |
| L3 Cache | 64 MB | 96 MB |
| Theoretical Performance | ||
| Pixel Rate | 359.2 GPixel/s | 153.0 GPixel/s |
| Texture Rate | 718.4 GTexel/s | 382.4 GTexel/s |
| FP16 (half) | 91.96 TFLOPS | 24.47 TFLOPS |
| FP32 (float) | 45.98 TFLOPS | 12.24 TFLOPS |
| FP64 (double) | 1436.8 GFLOPS | 764.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 31 | Navi 22 |
| GPU Variant | Navi 31 XL(215-145000206) | Navi 22 XTM |
| Architecture | RDNA 3.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 7 nm |
| Transistors | 57.7 billion | 17.2 billion |
| Die Size | 529 mm² | 335 mm² |
| Board Design | ||
| TDP | 260W | 145W |
| Suggested PSU | 600 W | |
| Outputs | 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C | No outputs |
| Power Connectors | 2x 8-pin | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 2.1 |
| Vulkan | 1.3 | 1.3 |
| Shader Model | 6.8 | 6.5 |
| Benchmarks | ||
| 3DMark Time Spy | 22476 | 11498 |
| 3DMark Time Spy Extreme | 10591 | 5418 |
| 3DMark Speed Way | 4417 | 2096 |
| Blender | 3114 | 1568 |