ATI Radeon X800 PRO vs NVIDIA GeForce 6800
Graphics Processor
| GPU model | R423 | NV40 |
|---|---|---|
| GPU variant | R423 PRO | — |
| Architecture | R400 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 130 nm | 130 nm |
| Number of transistors | 160 million | 222 million |
| Die size | 289 mm² | 287 mm² |
Graphics Card
| Release date | May 1st, 2004 | Apr 14th, 2004 |
|---|---|---|
| Generation | Radeon R400 PCIe | GeForce 6 AGP |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | AGP 8x |
| Reviews | 226 in our database | 115 in our database |
| Predecessor | Radeon R300 | GeForce FX |
| Successor | Radeon R500 PCIe | GeForce 7 AGP |
Clocks
| GPU clock | 475 MHz | 325 MHz |
|---|---|---|
| Memory clock | 450 MHz 900 Mbps effective | 350 MHz 700 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 128 MB |
|---|---|---|
| Memory type | GDDR3 | DDR |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 28.80 GB/s | 22.40 GB/s |
Render Configuration
| Pixel shaders | 12 | 12 |
|---|---|---|
| Vertex shaders | 6 | 5 |
| TMUs | 12 | 12 |
| ROPs | 12 | 12 |
Performance
| Pixel rate | 5.700 GPixel/s | 3.900 GPixel/s |
|---|---|---|
| Vertex rate | 712.5 MVertices/s | 406.3 MVertices/s |
| Texture rate | 5.700 GTexel/s | 3.900 GTexel/s |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 48 W | unknown |
| Suggested PSU | 200 W | 200 W |
| Outputs | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
| Power connectors | 1x Molex | 1x Molex |
| Board number | — | P201, P212 |
API Support & Features
| DirectX | 9.0b (9_2) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 2.1 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Pixel shader | 2.0b | — |
| Vertex shader | 2.0b | — |
| Shader model | — | 3.0 |
