ATI Radeon HD 4290 IGP vs ATI Radeon HD 4570 Rebrand
Graphics Processor
| GPU model | RS880 | RV635 |
|---|---|---|
| Architecture | TeraScale | TeraScale |
| Manufacturing process | 55 nm | 55 nm |
| Number of transistors | 181 million | 378 million |
| Die size | 67 mm² | 135 mm² |
| GPU variant | — | RV635 PRO (215-0682008) |
| 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 | 500 MHz | 796 MHz |
|---|---|---|
| Memory clock | System Shared | 396 MHz 792 Mbps effective |
Memory Configuration
| Memory size | System Shared | 1024 MB |
|---|---|---|
| Memory type | System Shared | DDR2 |
| Memory bus width | System Shared | 128 bit |
| Bandwidth | System Dependent | 12.67 GB/s |
Render Configuration
| Shading units | 40 | 120 |
|---|---|---|
| TMUs | 4 | 8 |
| ROPs | 4 | 4 |
| Compute units | 2 | 3 |
| Cache L2 | — | 128 KB |
Performance
| Pixel rate | 2.000 GPixel/s | 3.184 GPixel/s |
|---|---|---|
| Texture rate | 2.000 GTexel/s | 6.368 GTexel/s |
| FP32 (float) performance | 40.00 GFLOPS | 191.0 GFLOPS |
Dimensions & Outputs
| Slot width | IGP | Single-slot |
|---|---|---|
| TDP | unknown | 65 W |
| Outputs | No outputs | 2x DVI1x S-Video |
| Length | — | 190 mm 7.5 inches |
| Suggested PSU | — | 250 W |
API Support & Features
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.0 | — |
| Vulkan | — | — |
| Shader model | 4.1 | 4.1 |
Other Features
Graphics Card
| Release date | — | Nov 22nd, 2009 |
|---|---|---|
| Generation | — | Radeon R700 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | Radeon R600 |
| Successor | — | Evergreen |
