NVIDIA GeForce GT 745M vs AMD Radeon HD 6770M Mac Edition
What is the difference between NVIDIA GeForce GT 745M and AMD Radeon HD 6770M Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | Whistler |
| N14P-GS | Model number | Whistler XT (216-0810001) |
| Kepler | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 1,270 million | Transistors | 716 million |
| 118 mm² | Die Size | 104 mm² |
Graphics Card
| Apr 1st, 2013 | Release Date | Jan 28th, 2011 |
| GeForce 700M | Family | Vancouver (HD 6700M) |
| End-of-life | Production | End-of-life |
| GeForce 600M | Predecessor | Manhattan |
| PCIe 3.0 x16 | Bus Interface | MXM-A (3.0) |
Memory
| 2 GB | Memory Size | 512 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 64.00 GB/s | Bandwidth | 57.60 GB/s |
Performance
| 4.392 GPixel/s | Pixel fillrate | 5.800 GPixel/s |
| 17.57 GTexel/s | Texture fillrate | 17.40 GTexel/s |
| 421.6 GFLOPS | FP32 (float) performance | 696.0 GFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 900 MHz 3.6 Gbps effective |
| 549 MHz | GPU Clock | 725 MHz |
Render Config
| 384 | Shading Units | 480 |
| 32 | TMUs | 24 |
| 16 | ROPs | 8 |
| 16 KB (per SMX) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| IGP | Slot Width | MXM Module |
| 45 W | Thermal design power (TDP) | 35 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 5.0 |