AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce4 Ti 4800
Graphics Processor
| GPU model | Whistler | NV28 |
|---|---|---|
| GPU variant | Whistler XT (216-0810001) | NV28M A1 |
| Architecture | TeraScale 2 | Kelvin |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 150 nm |
| Number of transistors | 716 million | 36 million |
| Die size | 104 mm² | 101 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 | 300 MHz |
|---|---|---|
| Memory clock | 900 MHz 3.6 Gbps effective | 325 MHz 650 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 128 MB |
|---|---|---|
| Memory type | GDDR5 | DDR |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 57.60 GB/s | 10.40 GB/s |
Render Configuration
| Shading units | 480 | — |
|---|---|---|
| TMUs | 24 | 8 |
| ROPs | 8 | 4 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 2 |
Performance
| Pixel rate | 5.800 GPixel/s | 1.200 GPixel/s |
|---|---|---|
| Texture rate | 17.40 GTexel/s | 2.400 GTexel/s |
| FP32 (float) performance | 696.0 GFLOPS | — |
| Vertex rate | — | 150.0 MVertices/s |
Dimensions & Outputs
| Slot width | MXM Module | Single-slot |
|---|---|---|
| TDP | 35 W | unknown |
| Outputs | No outputs | 1x DVI1x VGA1x S-Video |
| Length | — | 216 mm 8.5 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 11.2 (11_0) | 8.1 |
|---|---|---|
| OpenGL | 4.4 | 1.5 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | — |
| Pixel shader | — | 1.3 |
| Vertex shader | — | 1.1 |
Other Features
Graphics Card
| Release date | — | Mar 15th, 2003 |
|---|---|---|
| Generation | — | GeForce 4 Ti |
| Production | — | End-of-life |
| Interface | — | AGP 8x |
| Predecessor | — | GeForce 4 MX |
| Successor | — | GeForce FX |
