Product Compare
NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon R9 M295X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2012 | Nov 2014 |
| Generation | GeForce 600M | Crystal System |
| Type | Mobile | Mobile |
| Bus Interface | PCIe 3.0 x16 | MXM-B (3.0) |
| Clock Speeds | ||
| Memory Clock | 1250 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 2GB | 4GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 160.0GB/s | 160.0GB/s |
| Render Config | ||
| Shading Units | 1536 | 2048 |
| TMUs | 128 | 128 |
| ROPs | 32 | 32 |
| L1 Cache | 16 KB (per SMX) | 16 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
| Compute Units | 32 | |
| Theoretical Performance | ||
| Pixel Rate | 23.01 GPixel/s | 23.14 GPixel/s |
| Texture Rate | 92.03 GTexel/s | 92.54 GTexel/s |
| FP32 (float) | 2.209 TFLOPS | 2.961 TFLOPS |
| FP64 (double) | 92.03 GFLOPS | 185.1 GFLOPS |
| FP16 (half) | 2.961 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK104 | Amethyst |
| GPU Variant | N13E-GTX2-A2 | Amethyst XT |
| Architecture | Kepler | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 3.54 billion | 5 billion |
| Die Size | 294 mm² | 366 mm² |
| Board Design | ||
| TDP | 122W | 250W |
| Outputs | No outputs | No outputs |
| Power Connectors | None | |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | 1.1 | 1.2 |
| CUDA | 3.0 | |
| Shader Model | 5.1 | 6.3 |