Product Compare
AMD Radeon RX 7900M vs AMD Radeon RX 8800 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2023 | Unknown |
| Generation | Navi Mobile | Navi IV(RX 8000) |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1825 MHz | 1295 MHz |
| Boost Clock | 2090 MHz | 2430 MHz |
| Memory Clock | 2250 MHz | 2438 MHz |
| Memory | ||
| Memory Size | 16GB | 16GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 576.0GB/s | 624.1GB/s |
| Render Config | ||
| Compute Units | 72 | 64 |
| Shading Units | 4608 | 4096 |
| TMUs | 288 | 256 |
| ROPs | 192 | 96 |
| RT Cores | 72 | 64 |
| L1 Cache | 256 KB per Array | 128 KB per Array |
| L2 Cache | 6 MB | 4 MB |
| L3 Cache | 64 MB | 64 MB |
| Theoretical Performance | ||
| Pixel Rate | 401.3 GPixel/s | 233.3 GPixel/s |
| Texture Rate | 601.9 GTexel/s | 622.1 GTexel/s |
| FP16 (half) | 77.05 TFLOPS | 39.81 TFLOPS |
| FP32 (float) | 38.52 TFLOPS | 19.91 TFLOPS |
| FP64 (double) | 1204 GFLOPS | 622.1 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 31 | Navi 48 |
| GPU Variant | Navi 31 | Navi 48 XT |
| Architecture | RDNA 3.0 | RDNA 4.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 4 nm |
| Transistors | 57.7 billion | Unknown |
| Die Size | 529 mm² | Unknown |
| Board Design | ||
| TDP | 180W | 220W |
| Outputs | Portable Device Dependent | 1x HDMI 2.1a3x DisplayPort 2.1 |
| Power Connectors | None | 2x 8-pin |
| Suggested PSU | 550 W | |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 2.2 |
| Vulkan | 1.3 | 1.3 |
| Shader Model | 6.8 | 6.8 |