AMD Radeon HD 6770M Mac Edition vs NVIDIA STG-2000
Graphics Processor
| GPU model | Whistler | NV1 |
|---|---|---|
| GPU variant | Whistler XT (216-0810001) | STG2000X-B |
| Architecture | TeraScale 2 | — |
| Foundry | TSMC | ST |
| Manufacturing process | 40 nm | 500 nm |
| Number of transistors | 716 million | 1 million |
| Die size | 104 mm² | 90 mm² |
Mobile graphics
| Release date | Jan 28th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6700M) | — |
| Production | End-of-life | — |
| Interface | MXM-A (3.0) | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 725 MHz | 75 MHz |
|---|---|---|
| Memory clock | 900 MHz 3.6 Gbps effective | 50 MHz |
Memory Configuration
| Memory size | 512 MB | 1 MB |
|---|---|---|
| Memory type | GDDR5 | FPM |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 57.60 GB/s | 400.0 MB/s |
Render Configuration
| Shading units | 480 | — |
|---|---|---|
| TMUs | 24 | 1 |
| ROPs | 8 | 1 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 1 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 5.800 GPixel/s | 75.00 MPixel/s |
|---|---|---|
| Texture rate | 17.40 GTexel/s | 75.00 MTexel/s |
| FP32 (float) performance | 696.0 GFLOPS | — |
Dimensions & Outputs
| Slot width | MXM Module | Single-slot |
|---|---|---|
| TDP | 35 W | 2 W |
| Outputs | No outputs | 1x VGA1x DB13W3 |
| Length | — | 168 mm 6.6 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 11.2 (11_0) | 1.0 |
|---|---|---|
| OpenGL | 4.4 | — |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | — |
| Pixel shader | — | — |
| Vertex shader | — | — |
Other Features
Graphics Card
| Release date | — | Sep 30th, 1995 |
|---|---|---|
| Generation | — | NV1 |
| Production | — | End-of-life |
| Launch price | — | 249 USD |
| Interface | — | PCI |
| Successor | — | Riva |
