ATI Radeon X800 XT Mac Edition vs NVIDIA GeForce 6700 XL
Graphics Processor
| GPU model | R423 | NV43 |
|---|---|---|
| GPU variant | R423 XT (215RBJAGA12F) | — |
| Architecture | R400 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 130 nm | 110 nm |
| Number of transistors | 160 million | 146 million |
| Die size | 289 mm² | 154 mm² |
Graphics Card
| Release date | Dec 1st, 2004 | Nov 14th, 2004 |
|---|---|---|
| Generation | Radeon R400 AGP | GeForce 6 PCIe |
| Production | End-of-life | End-of-life |
| Interface | AGP Pro 8x | PCIe 1.0 x16 |
| Reviews | 226 in our database | — |
| Predecessor | Radeon R300 | GeForce PCX |
| Successor | Radeon R500 AGP | GeForce 7 PCIe |
Clocks
| GPU clock | 475 MHz | 525 MHz |
|---|---|---|
| Memory clock | 500 MHz 1000 Mbps effective | 550 MHz 1100 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 128 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 32.00 GB/s | 17.60 GB/s |
Render Configuration
| Pixel shaders | 16 | 8 |
|---|---|---|
| Vertex shaders | 6 | 3 |
| TMUs | 16 | 8 |
| ROPs | 16 | 4 |
Performance
| Pixel rate | 7.600 GPixel/s | 2.100 GPixel/s |
|---|---|---|
| Vertex rate | 712.5 MVertices/s | 393.8 MVertices/s |
| Texture rate | 7.600 GTexel/s | 4.200 GTexel/s |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 54 W | unknown |
| Suggested PSU | 250 W | 200 W |
| Outputs | 2x DVI | 1x DVI1x VGA |
| Power connectors | None | 1x 6-pin |
| Board number | — | P216 |
API Support & Features
| DirectX | 9.0b (9_2) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 2.1 | 2.0 (full) 2.1 (partial) |
| OpenCL | — | — |
| Vulkan | — | — |
| Pixel shader | 2.0b | — |
| Vertex shader | 2.0b | — |
| Shader model | — | 3.0 |
