ATI Mobility Radeon X1800 vs ATI Mobility Radeon X1900
Graphics Processor
| GPU model | M58 | M68 |
|---|---|---|
| GPU variant | M58 P (216PQKCKA15FG) | — |
| Architecture | R500 | R500 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 80 nm |
| Number of transistors | 321 million | 384 million |
| Die size | 288 mm² | 230 mm² |
Mobile graphics
| Release date | Mar 1st, 2006 | Jan 11th, 2007 |
|---|---|---|
| Generation | M5x (Mobility X1) | M6x (Mobility X1) |
| Production | End-of-life | End-of-life |
| Interface | MXM-III | PCIe 1.0 x16 |
| Reviews | 2 in our database | 2 in our database |
| Predecessor | M2x | M5x |
| Successor | M6x | M7x |
Clocks
| GPU clock | 450 MHz | 400 MHz |
|---|---|---|
| Memory clock | 500 MHz 1000 Mbps effective | 480 MHz 960 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 256 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 32.00 GB/s | 30.72 GB/s |
Render Configuration
| Pixel shaders | 12 | 36 |
|---|---|---|
| Vertex shaders | 8 | 8 |
| TMUs | 12 | 12 |
| ROPs | 12 | 12 |
Performance
| Pixel rate | 5.400 GPixel/s | 4.800 GPixel/s |
|---|---|---|
| Vertex rate | 900.0 MVertices/s | 800.0 MVertices/s |
| Texture rate | 5.400 GTexel/s | 4.800 GTexel/s |
Dimensions & Outputs
| Slot width | MXM Module | — |
|---|---|---|
| TDP | unknown | unknown |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 9.0c (9_3) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 2.1 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 3.0 | 3.0 |
