AMD Radeon HD 6750M Mac Edition vs NVIDIA GRID K220Q
Graphics Processor
| GPU model | Whistler | GK104 |
|---|---|---|
| GPU variant | Whistler PRO (216-0810005) | — |
| Architecture | TeraScale 2 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 716 million | 3,540 million |
| Die size | 104 mm² | 294 mm² |
Mobile graphics
| Release date | Apr 18th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6700M) | — |
| Production | End-of-life | — |
| Interface | MXM-A (3.0) | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 598 MHz | 745 MHz |
|---|---|---|
| Memory clock | 794 MHz 3.2 Gbps effective | 1250 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 512 MB | 512 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 50.82 GB/s | 160.0 GB/s |
Render Configuration
| Shading units | 480 | 1536 |
|---|---|---|
| TMUs | 24 | 128 |
| ROPs | 8 | 32 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 512 KB |
| SMX count | — | 8 |
Performance
| Pixel rate | 4.784 GPixel/s | 23.84 GPixel/s |
|---|---|---|
| Texture rate | 14.35 GTexel/s | 95.36 GTexel/s |
| FP32 (float) performance | 574.1 GFLOPS | 2.289 TFLOPS |
| FP64 (double) performance | — | 95.36 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | MXM Module | IGP |
|---|---|---|
| TDP | 35 W | 225 W |
| Outputs | No outputs | No outputs |
| Suggested PSU | — | 550 W |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 3.0 |
Other Features
Graphics Card
| Release date | — | Jul 2nd, 2014 |
|---|---|---|
| Generation | — | GRID |
| Production | — | End-of-life |
| Launch price | — | 469 USD |
| Interface | — | PCIe 3.0 x16 |
