Product Compare
AMD Radeon HD 8990 OEM vs NVIDIA GeForce RTX 4080 Max-Q
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Apr 2013 | Jan 2023 |
| Generation | Sea Islands | GeForce 40 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 950 MHz | 795 MHz |
| Boost Clock | 1000 MHz | 1350 MHz |
| Memory Clock | 1500 MHz | 1750 MHz |
| Memory | ||
| Memory Size | 3GB | 12GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 384bit | 192bit |
| Bandwidth | 288.0GB/s | 336.0GB/s |
| Render Config | ||
| Compute Units | 32 | |
| Shading Units | 2048 | 7424 |
| TMUs | 128 | 232 |
| ROPs | 32 | 80 |
| L1 Cache | 16 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 768 KB | 48 MB |
| SM Count | 58 | |
| Tensor Cores | 232 | |
| RT Cores | 58 | |
| Theoretical Performance | ||
| Pixel Rate | 32.00 GPixel/s | 108.0 GPixel/s |
| Texture Rate | 128.0 GTexel/s | 313.2 GTexel/s |
| FP32 (float) | 4.096 TFLOPS | 20.04 TFLOPS |
| FP64 (double) | 1024 GFLOPS | 313.2 GFLOPS |
| FP16 (half) | 20.04 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Malta | AD104 |
| GPU Variant | Malta XT(215-0849026) | GN21-X9 |
| Architecture | GCN 1.0 | Ada Lovelace |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 4 nm |
| Transistors | 4.313 billion | 35.8 billion |
| Die Size | 365 mm² | 295 mm² |
| Board Design | ||
| TDP | 375W | 60W |
| Suggested PSU | 750 W | |
| Outputs | 1x DVI4x mini-DisplayPort 1.2 | Portable Device Dependent |
| Power Connectors | 2x 8-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 | 6.7 |
| CUDA | 8.9 | |