NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon R9 285
What is the difference between NVIDIA GeForce GTX 780M Mac Edition and AMD Radeon R9 285. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK104 | GPU Name | Tonga |
| N14E-GTX-A2 | Model number | Tonga PRO (215-0851128) |
| Kepler | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 3,540 million | Transistors | 5,000 million |
| 294 mm² | Die Size | 366 mm² |
Graphics Card
| Nov 8th, 2013 | Release Date | Sep 2nd, 2014 |
| GeForce 700M | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| GeForce 600M | Predecessor | Sea Islands |
| MXM-B (3.0) | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 160.0 GB/s | Bandwidth | 176.0 GB/s |
Performance
| 25.50 GPixel/s | Pixel fillrate | 29.38 GPixel/s |
| 102.0 GTexel/s | Texture fillrate | 102.8 GTexel/s |
| 2.448 TFLOPS | FP32 (float) performance | 3.290 TFLOPS |
| 102.0 GFLOPS (1:24) | FP64 (double) performance | 205.6 GFLOPS (1:16) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1375 MHz 5.5 Gbps effective |
Render Config
| 1536 | Shading Units | 1792 |
| 128 | TMUs | 112 |
| 32 | ROPs | 32 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| MXM Module | Slot Width | Dual-slot |
| 122 W | Thermal design power (TDP) | 190 W |
| No outputs | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
API support
| 12 (11_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.0 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.3 |