ATI Radeon X1950 CrossFire Edition vs NVIDIA GeForce 6800 Ultra
Graphics Processor
| GPU model | R580+ | NV40 |
|---|---|---|
| GPU variant | R580+ XT (215BAABKA31FG) | 6800 Ultra |
| Architecture | R500 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 130 nm |
| Number of transistors | 384 million | 222 million |
| Die size | 352 mm² | 287 mm² |
Graphics Card
| Release date | Sep 10th, 2006 | Apr 14th, 2004 |
|---|---|---|
| Generation | Radeon R500 PCIe | GeForce 6 AGP |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | AGP 8x |
| Reviews | 144 in our database | 115 in our database |
| Predecessor | Radeon R400 PCIe | GeForce FX |
| Successor | Radeon R600 | GeForce 7 AGP |
Clocks
| GPU clock | 650 MHz | 425 MHz |
|---|---|---|
| Memory clock | 1000 MHz 2 Gbps effective | 550 MHz 1100 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 256 MB |
|---|---|---|
| Memory type | GDDR4 | GDDR3 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 64.00 GB/s | 35.20 GB/s |
Render Configuration
| Pixel shaders | 48 | 16 |
|---|---|---|
| Vertex shaders | 8 | 6 |
| TMUs | 16 | 16 |
| ROPs | 16 | 16 |
Performance
| Pixel rate | 10.40 GPixel/s | 6.800 GPixel/s |
|---|---|---|
| Vertex rate | 1.300 GVertices/s | 637.5 MVertices/s |
| Texture rate | 10.40 GTexel/s | 6.800 GTexel/s |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| TDP | unknown | unknown |
| Suggested PSU | 200 W | 200 W |
| Outputs | 1x DVI1x VHDCI | 2x DVI1x S-Video |
| Power connectors | 1x 6-pin | 2x Molex |
| Board number | A988 | P201 |
| Length | — | 216 mm 8.5 inches |
API Support & Features
| DirectX | 9.0c (9_3) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 2.1 (full) 3.0 (partial) | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 3.0 | 3.0 |
