Product Compare
NVIDIA GeForce GTX 775M Mac Edition vs AMD Radeon R9 M270X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2013 | Feb 2015 |
| Generation | GeForce 700M | Gem System |
| Type | Mobile | Mobile |
| Bus Interface | MXM-B (3.0) | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1250 MHz | 1375 MHz |
| Base Clock | 900 MHz | |
| Boost Clock | 1000 MHz | |
| Memory | ||
| Memory Size | 2GB | 2GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 128bit |
| Bandwidth | 160.0GB/s | 88.00GB/s |
| Render Config | ||
| Shading Units | 1344 | 768 |
| TMUs | 112 | 48 |
| ROPs | 32 | 16 |
| L1 Cache | 16 KB (per SMX) | 16 KB (per CU) |
| L2 Cache | 512 KB | 256 KB |
| Compute Units | 12 | |
| Theoretical Performance | ||
| Pixel Rate | 22.32 GPixel/s | 16.00 GPixel/s |
| Texture Rate | 89.26 GTexel/s | 48.00 GTexel/s |
| FP32 (float) | 2.142 TFLOPS | 1.536 TFLOPS |
| FP64 (double) | 89.26 GFLOPS | 96.00 GFLOPS |
| Graphics Processor | ||
| GPU Name | GK104 | Saturn |
| GPU Variant | N13E-GTX-A2 | Saturn PRO(216-0843044) |
| Architecture | Kepler | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 3.54 billion | 2.08 billion |
| Die Size | 294 mm² | 160 mm² |
| Board Design | ||
| TDP | 100W | Unknown |
| Outputs | No outputs | Portable Device Dependent |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | 1.1 | 1.2.170 |
| CUDA | 3.0 | |
| Shader Model | 5.1 | 6.5 |