ATI Radeon HD 4250 IGP vs ATI Radeon X800 XT Mac Edition
Graphics Processor
| GPU model | RS880 | R423 |
|---|---|---|
| Architecture | TeraScale | R400 |
| Manufacturing process | 55 nm | 130 nm |
| Number of transistors | 181 million | 160 million |
| Die size | 67 mm² | 289 mm² |
| GPU variant | — | R423 XT (215RBJAGA12F) |
| Foundry | — | TSMC |
Integrated Graphics
| Release date | Mar 1st, 2010 | — |
|---|---|---|
| Generation | Radeon IGP (HD 4000) | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
| Successor | Sumo | — |
Clocks
| GPU clock | 560 MHz | 475 MHz |
|---|---|---|
| Memory clock | System Shared | 500 MHz 1000 Mbps effective |
Memory Configuration
| Memory size | System Shared | 256 MB |
|---|---|---|
| Memory type | System Shared | GDDR3 |
| Memory bus width | System Shared | 256 bit |
| Bandwidth | System Dependent | 32.00 GB/s |
Render Configuration
| Shading units | 40 | — |
|---|---|---|
| TMUs | 4 | 16 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Pixel shaders | — | 16 |
| Vertex shaders | — | 6 |
Performance
| Pixel rate | 2.240 GPixel/s | 7.600 GPixel/s |
|---|---|---|
| Texture rate | 2.240 GTexel/s | 7.600 GTexel/s |
| FP32 (float) performance | 44.80 GFLOPS | — |
| Vertex rate | — | 712.5 MVertices/s |
Dimensions & Outputs
| Slot width | IGP | Single-slot |
|---|---|---|
| TDP | unknown | 54 W |
| Outputs | No outputs | 2x DVI |
| Suggested PSU | — | 250 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 10.1 (10_1) | 9.0b (9_2) |
|---|---|---|
| OpenGL | 3.3 | 2.1 |
| OpenCL | 1.0 | — |
| Vulkan | — | — |
| Shader model | 4.1 | — |
| Pixel shader | — | 2.0b |
| Vertex shader | — | 2.0b |
Other Features
Graphics Card
| Release date | — | Dec 1st, 2004 |
|---|---|---|
| Generation | — | Radeon R400 AGP |
| Production | — | End-of-life |
| Interface | — | AGP Pro 8x |
| Reviews | — | 226 in our database |
| Predecessor | — | Radeon R300 |
| Successor | — | Radeon R500 AGP |
