ATI Mobility Radeon X1900 vs ATI Radeon X800 PRO
Graphics Processor
| GPU model | M68 | R423 |
|---|---|---|
| Architecture | R500 | R400 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 130 nm |
| Number of transistors | 384 million | 160 million |
| Die size | 230 mm² | 289 mm² |
| GPU variant | — | R423 PRO |
Mobile graphics
| Release date | Jan 11th, 2007 | — |
|---|---|---|
| Generation | M6x (Mobility X1) | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M5x | — |
| Successor | M7x | — |
Clocks
| GPU clock | 400 MHz | 475 MHz |
|---|---|---|
| Memory clock | 480 MHz 960 Mbps effective | 450 MHz 900 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 256 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 30.72 GB/s | 28.80 GB/s |
Render Configuration
| Pixel shaders | 36 | 12 |
|---|---|---|
| Vertex shaders | 8 | 6 |
| TMUs | 12 | 12 |
| ROPs | 12 | 12 |
Performance
| Pixel rate | 4.800 GPixel/s | 5.700 GPixel/s |
|---|---|---|
| Vertex rate | 800.0 MVertices/s | 712.5 MVertices/s |
| Texture rate | 4.800 GTexel/s | 5.700 GTexel/s |
Dimensions & Outputs
| TDP | unknown | 48 W |
|---|---|---|
| Outputs | No outputs | 1x DVI1x VGA1x S-Video |
| Slot width | — | Single-slot |
| Suggested PSU | — | 200 W |
| Power connectors | — | 1x Molex |
API Support & Features
| DirectX | 9.0c (9_3) | 9.0b (9_2) |
|---|---|---|
| OpenGL | 2.1 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 3.0 | — |
| Pixel shader | — | 2.0b |
| Vertex shader | — | 2.0b |
Other Features
Graphics Card
| Release date | — | May 1st, 2004 |
|---|---|---|
| Generation | — | Radeon R400 PCIe |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 226 in our database |
| Predecessor | — | Radeon R300 |
| Successor | — | Radeon R500 PCIe |
