ATI Mobility Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce 320M Mac Edition
Graphics Processor
| GPU model | M76 | C89 |
|---|---|---|
| GPU variant | M76 XT | MCP89 |
| Architecture | TeraScale | Tesla 2.0 |
| Foundry | TSMC | — |
| Manufacturing process | 65 nm | 40 nm |
| Number of transistors | 390 million | 486 million |
| Die size | 153 mm² | 100 mm² |
Mobile graphics
| Release date | Jul 26th, 2007 | — |
|---|---|---|
| Generation | M7x (Mobility HD 2000) | — |
| Production | End-of-life | — |
| Interface | MXM-II | — |
| Reviews | 2 in our database | — |
| Predecessor | M6x | — |
| Successor | M8x | — |
Clocks
| GPU clock | 600 MHz | 450 MHz |
|---|---|---|
| Memory clock | 685 MHz 1370 Mbps effective | System Shared |
| Shader clock | — | 950 MHz |
Memory Configuration
| Memory size | 256 MB | System Shared |
|---|---|---|
| Memory type | GDDR3 | System Shared |
| Memory bus width | 128 bit | System Shared |
| Bandwidth | 21.92 GB/s | System Dependent |
Render Configuration
| Shading units | 120 | 48 |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 8 |
| Compute units | 3 | — |
| Cache L2 | 64 KB | — |
| SM count | — | 4 |
Performance
| Pixel rate | 2.400 GPixel/s | 3.600 GPixel/s |
|---|---|---|
| Texture rate | 4.800 GTexel/s | 7.200 GTexel/s |
| FP32 (float) performance | 144.0 GFLOPS | 91.20 GFLOPS |
Dimensions & Outputs
| Slot width | MXM Module | IGP |
|---|---|---|
| TDP | unknown | 23 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 10.0 (10_0) | 11.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.0 | 4.1 |
Other Features
Integrated Graphics
| Release date | — | Apr 1st, 2010 |
|---|---|---|
| Generation | — | GeForce 300M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 2 in our database |
| Predecessor | — | GeForce 200M |
| Successor | — | GeForce 400M |
