ATI Radeon X800 GTO vs ATI Radeon X800 XT AGP
Graphics Processor
| GPU model | R423 | R420 |
|---|---|---|
| GPU variant | R423 GTO | R420 XT |
| Architecture | R400 | R400 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 130 nm | 130 nm |
| Number of transistors | 160 million | 160 million |
| Die size | 289 mm² | 281 mm² |
Graphics Card
| Release date | Dec 29th, 2007 | Mar 1st, 2004 |
|---|---|---|
| Generation | Radeon R400 PCIe | Radeon R400 AGP |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | AGP 8x |
| Reviews | 226 in our database | 226 in our database |
| Predecessor | Radeon R300 | Radeon R300 |
| Successor | Radeon R500 PCIe | Radeon R500 AGP |
Clocks
| GPU clock | 400 MHz | 500 MHz |
|---|---|---|
| Memory clock | 350 MHz 700 Mbps effective | 500 MHz 1000 Mbps effective |
Memory Configuration
| Memory size | 128 MB | 256 MB |
|---|---|---|
| Memory type | DDR | GDDR3 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 22.40 GB/s | 32.00 GB/s |
Render Configuration
| Pixel shaders | 12 | 16 |
|---|---|---|
| Vertex shaders | 6 | 6 |
| TMUs | 12 | 16 |
| ROPs | 12 | 16 |
Performance
| Pixel rate | 4.800 GPixel/s | 8.000 GPixel/s |
|---|---|---|
| Vertex rate | 600.0 MVertices/s | 750.0 MVertices/s |
| Texture rate | 4.800 GTexel/s | 8.000 GTexel/s |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 49 W | 54 W |
| Suggested PSU | 200 W | 250 W |
| Outputs | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
| Power connectors | — | 1x Molex |
API Support & Features
| DirectX | 9.0b (9_2) | 9.0b (9_2) |
|---|---|---|
| OpenGL | 2.1 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Pixel shader | 2.0b | 2.0b |
| Vertex shader | 2.0b | 2.0b |
