Product Compare
NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon HD 7990
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2021 | Apr 2013 |
| Generation | GeForce 30 Mobile | Southern Islands |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1110 MHz | 950 MHz |
| Boost Clock | 1545 MHz | 1000 MHz |
| Memory Clock | 1750 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 16GB | 3GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 384bit |
| Bandwidth | 448.0GB/s | 288.0GB/s |
| Render Config | ||
| SM Count | 48 | |
| Shading Units | 6144 | 2048 |
| TMUs | 192 | 128 |
| ROPs | 96 | 32 |
| Tensor Cores | 192 | |
| RT Cores | 48 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 4 MB | 768 KB |
| Compute Units | 32 | |
| Theoretical Performance | ||
| Pixel Rate | 148.3 GPixel/s | 32.00 GPixel/s |
| Texture Rate | 296.6 GTexel/s | 128.0 GTexel/s |
| FP16 (half) | 18.98 TFLOPS | |
| FP32 (float) | 18.98 TFLOPS | 4.096 TFLOPS |
| FP64 (double) | 296.6 GFLOPS | 1024 GFLOPS |
| Graphics Processor | ||
| GPU Name | GA104 | Malta |
| GPU Variant | GA104-775-A1 | Malta XT(215-0849026) |
| Architecture | Ampere | GCN 1.0 |
| Foundry | Samsung | TSMC |
| Process Size | 8 nm | 28 nm |
| Transistors | 17.4 billion | 4.313 billion |
| Die Size | 392 mm² | 365 mm² |
| Board Design | ||
| TDP | 115W | 375W |
| Outputs | Portable Device Dependent | 1x DVI4x mini-DisplayPort 1.2 |
| Power Connectors | None | 2x 8-pin |
| Suggested PSU | 750 W | |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.3 | 1.2 |
| CUDA | 8.6 | |
| Shader Model | 6.8 | 5.1 |