ATI Mobility Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce Go 7800 GTX
Graphics Processor
| GPU model | M76 | G70 |
|---|---|---|
| GPU variant | M76 XT | — |
| Architecture | TeraScale | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 110 nm |
| Number of transistors | 390 million | 302 million |
| Die size | 153 mm² | 333 mm² |
Mobile graphics
| Release date | Jul 26th, 2007 | Sep 29th, 2005 |
|---|---|---|
| Generation | M7x (Mobility HD 2000) | GeForce Go 7 (Go 7000) |
| Production | End-of-life | End-of-life |
| Interface | MXM-II | PCIe 1.0 x16 |
| Reviews | 2 in our database | — |
| Predecessor | M6x | GeForce Go 6 |
| Successor | M8x | GeForce 8M |
Clocks
| GPU clock | 600 MHz | 440 MHz |
|---|---|---|
| Memory clock | 685 MHz 1370 Mbps effective | 550 MHz 1100 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 21.92 GB/s | 35.20 GB/s |
Render Configuration
| Shading units | 120 | — |
|---|---|---|
| TMUs | 8 | 24 |
| ROPs | 4 | 16 |
| Compute units | 3 | — |
| Cache L2 | 64 KB | — |
| Pixel shaders | — | 24 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 2.400 GPixel/s | 7.040 GPixel/s |
|---|---|---|
| Texture rate | 4.800 GTexel/s | 10.56 GTexel/s |
| FP32 (float) performance | 144.0 GFLOPS | — |
| Vertex rate | — | 880.0 MVertices/s |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | unknown | 65 W |
| Outputs | No outputs | No outputs |
| Power connectors | — | None |
| Board number | — | P461 |
API Support & Features
| DirectX | 10.0 (10_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 3.3 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.0 | 3.0 |
