AMD Radeon HD 6750M Mac Edition vs NVIDIA Quadro K420
What is the difference between AMD Radeon HD 6750M Mac Edition and NVIDIA Quadro K420. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Whistler | GPU Name | GK107 |
| Whistler PRO (216-0810005) | Model number | GK107-301-A2 |
| TeraScale 2 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 716 million | Transistors | 1,270 million |
| 104 mm² | Die Size | 118 mm² |
Graphics Card
| Apr 18th, 2011 | Release Date | Jul 22nd, 2014 |
| Vancouver (HD 6700M) | Family | Quadro (Kx200) |
| End-of-life | Production | End-of-life |
| MXM-A (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 512 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 50.82 GB/s | Bandwidth | 28.51 GB/s |
Performance
| 4.784 GPixel/s | Pixel fillrate | 3.504 GPixel/s |
| 14.35 GTexel/s | Texture fillrate | 14.02 GTexel/s |
| 574.1 GFLOPS | FP32 (float) performance | 336.4 GFLOPS |
Clock Speeds
| 794 MHz 3.2 Gbps effective | Memory Clock | 891 MHz 1782 Mbps effective |
| 598 MHz | GPU Clock | 876 MHz |
Render Config
| 480 | Shading Units | 192 |
| 24 | TMUs | 16 |
| 8 | ROPs | 16 |
| 8 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | Single-slot |
| 35 W | Thermal design power (TDP) | 41 W |
| No outputs | Display Connectors | 1x DVI 1x DisplayPort |
API support
| 11.2 (11_0) | DirectX | 12 (11_0) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 5.0 | Shader Model | 5.1 |