ATI Radeon X800 XT AGP vs ATI Radeon X850 CrossFire Edition
Graphics Processor
| GPU model | R420 | R480 |
|---|---|---|
| GPU variant | R420 XT | R480 XT (215RBHAGA11F) |
| Architecture | R400 | R400 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 130 nm | 130 nm |
| Number of transistors | 160 million | 160 million |
| Die size | 281 mm² | 297 mm² |
Graphics Card
| Release date | Mar 1st, 2004 | Sep 10th, 2006 |
|---|---|---|
| Generation | Radeon R400 AGP | Radeon R400 PCIe |
| Production | End-of-life | End-of-life |
| Interface | AGP 8x | PCIe 1.0 x16 |
| Reviews | 226 in our database | 58 in our database |
| Predecessor | Radeon R300 | Radeon R300 |
| Successor | Radeon R500 AGP | Radeon R500 PCIe |
Clocks
| GPU clock | 500 MHz | 520 MHz |
|---|---|---|
| Memory clock | 500 MHz 1000 Mbps effective | 540 MHz 1080 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 | 34.56 GB/s |
Render Configuration
| Pixel shaders | 16 | 16 |
|---|---|---|
| Vertex shaders | 6 | 6 |
| TMUs | 16 | 16 |
| ROPs | 16 | 16 |
Performance
| Pixel rate | 8.000 GPixel/s | 8.320 GPixel/s |
|---|---|---|
| Vertex rate | 750.0 MVertices/s | 780.0 MVertices/s |
| Texture rate | 8.000 GTexel/s | 8.320 GTexel/s |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| TDP | 54 W | unknown |
| Suggested PSU | 250 W | 200 W |
| Outputs | 1x DVI1x VGA1x S-Video | 2x DVI |
| Power connectors | 1x Molex | 1x 6-pin |
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 |
