Product Compare
AMD Radeon HD 7950 vs NVIDIA GeForce RTX 4090 Mobile
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2012 | Jan 2023 |
| Generation | Southern Islands | GeForce 40 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1250 MHz | 2250 MHz |
| Base Clock | 1335 MHz | |
| Boost Clock | 1695 MHz | |
| Memory | ||
| Memory Size | 3GB | 16GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 240.0GB/s | 576.0GB/s |
| Render Config | ||
| Compute Units | 28 | |
| Shading Units | 1792 | 9728 |
| TMUs | 112 | 304 |
| ROPs | 32 | 112 |
| L1 Cache | 16 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 768 KB | 64 MB |
| SM Count | 76 | |
| Tensor Cores | 304 | |
| RT Cores | 76 | |
| Theoretical Performance | ||
| Pixel Rate | 25.60 GPixel/s | 189.8 GPixel/s |
| Texture Rate | 89.60 GTexel/s | 515.3 GTexel/s |
| FP32 (float) | 2.867 TFLOPS | 32.98 TFLOPS |
| FP64 (double) | 716.8 GFLOPS | 515.3 GFLOPS |
| FP16 (half) | 32.98 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Tahiti | AD103 |
| GPU Variant | Tahiti PRO(215-0821056) | GN21-X11 |
| Architecture | GCN 1.0 | Ada Lovelace |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 5 nm |
| Transistors | 4.313 billion | 45.9 billion |
| Die Size | 352 mm² | 379 mm² |
| Board Design | ||
| TDP | 200W | 120W |
| Suggested PSU | 550 W | |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | Portable Device Dependent |
| Power Connectors | 2x 6-pin | None |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 5.1 | 6.8 |
| CUDA | 8.9 | |