酷睿对决 英特尔Core i5 Lynnfield首测(5)
| 平台对比 | Core i7 920+X58 | Core i5 2.66GHz+P55 |
| CPU主频 | 2.66GHz | 2.66GHz |
| 外频x倍频 | 200MHzx13 | 200MHzx13 |
| QPI带宽 | 4800MT/s | 4260MT/s |
| 内存控制器 | 整合 | 整合 |
| 北桥芯片 | X58独立 | 整合于CPU内 |
| QPI连接 | CPU to X58芯片 | CPU内部连接 |
| 硬件平台 |
| CPU | Core i7 920 |
| Core i5 2.66G Lynnfield |
| 主板 | Gigabyte GA-EP55-UD4P |
| ASUS P6T |
| 显卡 | 迪兰恒进(促销产品 主营产品) RadeonHD4870 1GB 火钻 |
| 内存 | Corsair DDR3 1600 2GBX3/2GB X2 @1333 |
| 硬盘 | Seagate 7200.12 500G |
| 电源 | TT Toughpower 750 80Plus |
| 软件环境 |
| 操作系统 | Windows Vista 64bit |
| 驱动程序 | Intel inf9.0 |
| ATI Catalyst 9.5 |
| 测试软件 | Sysmark2007 Preview |
| 3DMarkVantage |
| 3DMark06 |
| EverestUltimate 5 |
| SisosftSandra Pro 2009 |
| DivX 6.7 |
| Microsof Excel 2007 |
| Cinebench R10 |
| Crysis Warhead |
| QuakeWar ET |
| Farcry2 |
| Left 4 Dead |
本次测试,我们使用的Corei5 LynnfieldCPU的主频为2.66GHz,由于QPI改成内部连接,QPI频率与外频间的关系不可调整在CPU内部锁定(不排出以后主板可以调整),不过从主频出发,我们选择的对比对象是同样频率的Core i7 920。测试平台上由于两者分别支持双通道和三通道内存,所以在内存容量上i7的平台为6GB,而i5为4GB,操作系统选用X64的Windows Vista。
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