NVIDIA GeForce 6800 Ultra vs ATI Radeon X1900 G5 Mac Edition
What is the difference between NVIDIA GeForce 6800 Ultra and ATI Radeon X1900 G5 Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| NV45 | GPU Name | R580 |
| 6800 Ultra | Model number | R580 XL (215BAEBKA31FG) |
| Curie | Architecture | R500 |
| TSMC | Foundry | TSMC |
| 130 nm | Process Size | 90 nm |
| 222 million | Transistors | 384 million |
| 287 mm² | Die Size | 352 mm² |
Graphics Card
| Jul 26th, 2004 | Release Date | Nov 6th, 2006 |
| GeForce 6 PCIe (6800) | Family | Radeon R500 PCIe (X1900) |
| End-of-life | Production | End-of-life |
| 499 USD | Launch Price | 349 USD |
| GeForce PCX | Predecessor | Radeon R400 PCIe |
| PCIe 1.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 256 MB | Memory Size | 256 MB |
| GDDR3 | Memory Type | GDDR3 |
| 256 bit | Memory Bus | 256 bit |
| 35.20 GB/s | Bandwidth | 38.40 GB/s |
Performance
| 6.800 GPixel/s | Pixel fillrate | 6.900 GPixel/s |
| 637.5 MVertices/s | Vertex fillrate | 1.150 GVertices/s |
| 6.800 GTexel/s | Texture fillrate | 6.900 GTexel/s |
Clock Speeds
| 550 MHz 1100 Mbps effective | Memory Clock | 600 MHz 1200 Mbps effective |
| 425 MHz | GPU Clock | 575 MHz |
Render Config
| 16 | TMUs | 12 |
| 16 | ROPs | 12 |
| 16 | Pixel Shaders | 36 |
| 6 | Vertex Shaders | 8 |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 81 W | Thermal design power (TDP) | 75 W |
| 250 W | Suggested PSU | 250 W |
| 2x DVI 1x S-Video | Display Connectors | 2x DVI 1x S-Video |
| 1x 6-pin | Power Connectors | 1x 6-pin |
API support
| 9.0c (9_3) | DirectX | 9.0c (9_3) |
| 2.1 | OpenGL | 2.1 (full) 3.0 (partial) |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 3.0 | Shader Model | 3.0 |