Product Compare
AMD Radeon HD 7990 vs AMD Radeon RX 6950 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Apr 2013 | May 2022 |
| Generation | Southern Islands | Navi II |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 950 MHz | 1860 MHz |
| Boost Clock | 1000 MHz | 2310 MHz |
| Memory Clock | 1500 MHz | 2250 MHz |
| Memory | ||
| Memory Size | 3GB | 16GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 288.0GB/s | 576.0GB/s |
| Render Config | ||
| Compute Units | 32 | 80 |
| Shading Units | 2048 | 5120 |
| TMUs | 128 | 320 |
| ROPs | 32 | 128 |
| L1 Cache | 16 KB (per CU) | 128 KB per Array |
| L2 Cache | 768 KB | 4 MB |
| RT Cores | 80 | |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 32.00 GPixel/s | 295.7 GPixel/s |
| Texture Rate | 128.0 GTexel/s | 739.2 GTexel/s |
| FP32 (float) | 4.096 TFLOPS | 23.65 TFLOPS |
| FP64 (double) | 1024 GFLOPS | 1478 GFLOPS |
| FP16 (half) | 47.31 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Malta | Navi 21 |
| GPU Variant | Malta XT(215-0849026) | Navi 21 KXTX(215-121000289) |
| Architecture | GCN 1.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 7 nm |
| Transistors | 4.313 billion | 26.8 billion |
| Die Size | 365 mm² | 520 mm² |
| Board Design | ||
| TDP | 375W | 335W |
| Suggested PSU | 750 W | 700 W |
| Outputs | 1x DVI4x mini-DisplayPort 1.2 | 1x HDMI 2.12x DisplayPort 1.4a |
| Power Connectors | 2x 8-pin | 2x 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 |