ATI Mobility Radeon HD 2600 XT Mac Edition vs ATI Radeon HD 5450 PCI
Graphics Processor
| GPU model | M76 | Cedar |
|---|---|---|
| GPU variant | M76 XT | Cedar PRO |
| Architecture | TeraScale | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 40 nm |
| Number of transistors | 390 million | 292 million |
| Die size | 153 mm² | 59 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 | 650 MHz |
|---|---|---|
| Memory clock | 685 MHz 1370 Mbps effective | 333 MHz 666 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | DDR2 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 21.92 GB/s | 5.328 GB/s |
Render Configuration
| Shading units | 120 | 80 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Compute units | 3 | 2 |
| Cache L2 | 64 KB | 128 KB |
| Cache L1 | — | 8 KB (per CU) |
Performance
| Pixel rate | 2.400 GPixel/s | 2.600 GPixel/s |
|---|---|---|
| Texture rate | 4.800 GTexel/s | 5.200 GTexel/s |
| FP32 (float) performance | 144.0 GFLOPS | 104.0 GFLOPS |
Dimensions & Outputs
| Slot width | MXM Module | Single-slot |
|---|---|---|
| TDP | unknown | 19 W |
| Outputs | No outputs | 1x DVI1x HDMI |
| Length | — | 145 mm 5.7 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
| Board number | — | C093, C096 |
API Support & Features
| DirectX | 10.0 (10_0) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.4 |
| OpenCL | — | 1.2 |
| Vulkan | — | — |
| Shader model | 4.0 | 5.0 |
Other Features
Graphics Card
| Release date | — | Feb 4th, 2010 |
|---|---|---|
| Generation | — | Evergreen |
| Production | — | End-of-life |
| Interface | — | PCI |
| Reviews | — | 34 in our database |
| Predecessor | — | Radeon R700 |
| Successor | — | Northern Islands |
