ATI Mobility Radeon X1800 XT vs ATI Radeon HD 4570 Rebrand
Graphics Processor
| GPU model | M58 | RV635 |
|---|---|---|
| GPU variant | M58 P (216PQKCKA15FG) | RV635 PRO (215-0682008) |
| Architecture | R500 | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 55 nm |
| Number of transistors | 321 million | 378 million |
| Die size | 288 mm² | 135 mm² |
Mobile graphics
| Release date | Mar 1st, 2006 | — |
|---|---|---|
| Generation | M5x (Mobility X1) | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M2x | — |
| Successor | M6x | — |
Clocks
| GPU clock | 550 MHz | 796 MHz |
|---|---|---|
| Memory clock | 650 MHz 1300 Mbps effective | 396 MHz 792 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | DDR2 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 41.60 GB/s | 12.67 GB/s |
Render Configuration
| Pixel shaders | 16 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 16 | 8 |
| ROPs | 16 | 4 |
| Shading units | — | 120 |
| Compute units | — | 3 |
| Cache L2 | — | 128 KB |
Performance
| Pixel rate | 8.800 GPixel/s | 3.184 GPixel/s |
|---|---|---|
| Vertex rate | 1.100 GVertices/s | — |
| Texture rate | 8.800 GTexel/s | 6.368 GTexel/s |
| FP32 (float) performance | — | 191.0 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 65 W |
|---|---|---|
| Outputs | No outputs | 2x DVI1x S-Video |
| Slot width | — | Single-slot |
| Length | — | 190 mm 7.5 inches |
| Suggested PSU | — | 250 W |
API Support & Features
| DirectX | 9.0c (9_3) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 3.0 | 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 |
