Product Compare
AMD Radeon R9 285X vs AMD Radeon HD 8950M
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Unknown | May 2013 |
| Generation | Volcanic Islands | Solar System |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1375 MHz | 1375 MHz |
| Memory | ||
| Memory Size | 3GB | 2GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384bit | 128bit |
| Bandwidth | 264.0GB/s | 88.00GB/s |
| Render Config | ||
| Compute Units | 32 | 12 |
| Shading Units | 2048 | 768 |
| TMUs | 128 | 48 |
| ROPs | 32 | 16 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 768 KB | 256 KB |
| Theoretical Performance | ||
| Pixel Rate | 32.06 GPixel/s | 17.20 GPixel/s |
| Texture Rate | 128.3 GTexel/s | 51.60 GTexel/s |
| FP32 (float) | 4.104 TFLOPS | 1.651 TFLOPS |
| FP64 (double) | 103.2 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Tonga | Saturn |
| GPU Variant | Tonga XT(215-0851313) | Saturn XT |
| Architecture | GCN 3.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 5 billion | 2.08 billion |
| Die Size | 366 mm² | 160 mm² |
| Board Design | ||
| TDP | 200W | 100W |
| Suggested PSU | 550 W | |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | No outputs |
| Power Connectors | 1x 6-pin + 1x 8-pin | |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader Model | 6.3 | 6.3 |