AMD Radeon HD 6630M Mac Edition vs AMD Radeon HD 8550D IGP
Graphics Processor
| GPU model | Whistler | Scrapper |
|---|---|---|
| GPU variant | Whistler LP | — |
| Architecture | TeraScale 2 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 32 nm |
| Number of transistors | 716 million | 1,303 million |
| Die size | 104 mm² | 246 mm² |
Mobile graphics
| Release date | Jan 4th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6600M) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 500 MHz | — |
|---|---|---|
| Memory clock | 600 MHz 2.4 Gbps effective | System Shared |
| Base clock | — | 720 MHz |
| Boost clock | — | 844 MHz |
Memory Configuration
| Memory size | 256 MB | System Shared |
|---|---|---|
| Memory type | GDDR5 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 19.20 GB/s | System Dependent |
Render Configuration
| Shading units | 480 | 256 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 8 |
| Compute units | 6 | 4 |
Performance
| Pixel rate | 4.000 GPixel/s | 6.752 GPixel/s |
|---|---|---|
| Texture rate | 12.00 GTexel/s | 13.50 GTexel/s |
| FP32 (float) performance | 480.0 GFLOPS | 432.1 GFLOPS |
Dimensions & Outputs
| TDP | 26 W | 65 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.0 |
Other Features
Integrated Graphics
| Release date | — | May 23rd, 2013 |
|---|---|---|
| Generation | — | Richland (HD 8000) |
| Production | — | End-of-life |
| Interface | — | IGP |
| Predecessor | — | Trinity |
| Successor | — | Kabini |
