Product Compare
AMD Radeon R9 270 1024SP vs NVIDIA GeForce RTX 4090 Max-Q
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2015 | Jan 2023 |
| Generation | Volcanic Islands | GeForce 40 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 900 MHz | 930 MHz |
| Boost Clock | 925 MHz | 1455 MHz |
| Memory Clock | 1200 MHz | 1750 MHz |
| Memory | ||
| Memory Size | 2GB | 16GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 153.6GB/s | 448.0GB/s |
| Render Config | ||
| Compute Units | 16 | |
| Shading Units | 1024 | 9728 |
| TMUs | 64 | 304 |
| ROPs | 32 | 112 |
| L1 Cache | 16 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 512 KB | 64 MB |
| SM Count | 76 | |
| Tensor Cores | 304 | |
| RT Cores | 76 | |
| Theoretical Performance | ||
| Pixel Rate | 29.60 GPixel/s | 163.0 GPixel/s |
| Texture Rate | 59.20 GTexel/s | 442.3 GTexel/s |
| FP32 (float) | 1.894 TFLOPS | 28.31 TFLOPS |
| FP64 (double) | 118.4 GFLOPS | 442.3 GFLOPS |
| FP16 (half) | 28.31 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Pitcairn | AD103 |
| GPU Variant | Pitcairn PRO(215-0828062) | GN21-X11 |
| Architecture | GCN 1.0 | Ada Lovelace |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 4 nm |
| Transistors | 2.8 billion | 45.9 billion |
| Die Size | 212 mm² | 379 mm² |
| Board Design | ||
| TDP | 150W | 80W |
| Suggested PSU | 450 W | |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | Portable Device Dependent |
| Power Connectors | 1x 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 | 6.7 |
| CUDA | 8.9 | |