Product Compare
AMD Radeon R9 390 X2 vs NVIDIA GeForce RTX 4090 Mobile
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2015 | Jan 2023 |
| Generation | Pirate Islands | GeForce 40 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1350 MHz | 2250 MHz |
| Base Clock | 1335 MHz | |
| Boost Clock | 1695 MHz | |
| Memory | ||
| Memory Size | 8GB | 16GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 512bit | 256bit |
| Bandwidth | 345.6GB/s | 576.0GB/s |
| Render Config | ||
| Compute Units | 40 | |
| Shading Units | 2560 | 9728 |
| TMUs | 160 | 304 |
| ROPs | 64 | 112 |
| L1 Cache | 16 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 1024 KB | 64 MB |
| SM Count | 76 | |
| Tensor Cores | 304 | |
| RT Cores | 76 | |
| Theoretical Performance | ||
| Pixel Rate | 64.00 GPixel/s | 189.8 GPixel/s |
| Texture Rate | 160.0 GTexel/s | 515.3 GTexel/s |
| FP32 (float) | 5.120 TFLOPS | 32.98 TFLOPS |
| FP64 (double) | 640.0 GFLOPS | 515.3 GFLOPS |
| FP16 (half) | 32.98 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Grenada | AD103 |
| GPU Variant | Grenada PRO(215-0880030) | GN21-X11 |
| Architecture | GCN 2.0 | Ada Lovelace |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 5 nm |
| Transistors | 6.2 billion | 45.9 billion |
| Die Size | 438 mm² | 379 mm² |
| Board Design | ||
| TDP | 580W | 120W |
| Suggested PSU | 950 W | |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | Portable Device Dependent |
| Power Connectors | 4x 8-pin | None |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 6.3 | 6.8 |
| CUDA | 8.9 | |