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790I Ultra SLI和780I SLI芯片组规格对比： nVIDIA 700i和Intel X48架构芯片组规格对比 | 芯片组名称 | 790i Ultra SLI | 780i SLI | 接口类型 | LGA775 | LGA775 | 处理器 | Core 2 Extreme
Core 2 Quad
Core 2 Duo
Celeron D
Pentium 4
Pentium D 9XX
Pentium D 8XX | Core 2 Extreme
Core 2 Quad(Yorkfield)
Core 2 Duo(Wolfdale)
Celeron D
Pentium 4
Pentium D 9XX
Pentium D 8XX | 前端总线 | | 1333/
1066/
800/ | 支持内存类型 | DDR3 2000/
1600/
1333/
1066
| DDR2 667/800 | SLI-Ready Memory with EPP | 2000 MHz(EPP 2.0) | 1200 MHz(EPP 1.0) | 3 Way SLI | | Yes | PCI-E 2.0 | Yes | Yes | PCI-E lanes | PCI-E 16X GEN 2.0 ×2
PCI-E 16X GEN 1.1 ×1 | PCI-E 16X GEN 2.0 ×2
PCI-E 16X GEN 1.1 ×1 | ESA Support | | Yes | LinkBoost | No | No | SATA/PATA drives | 6/2 | 6/2 | RAID | 0,1,0+1,5 | 0,1,0+1,5 | USB接口 | 10 | 10 | Native Gigabit Ethernet | 2 | 2 | 音频 | HD Audio | HD Audio | | No | No | | No | No | DualNet technology | Yes | Yes | FirstPacket | Yes | Yes |
除了增加了对1600Mhz FSB支持外，790I还在内存、PCI-E插槽等诸多方面做了改进和革新，下面我们就一起来了解它们的不通。
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