| Designer | Family | Code Name | Model | μarch | Released | Cache | Vdd | Feature Size | FO4 | Clock | TDP | SPECInt 1992 | SPECFp 1992 | SPECInt 1995 | SPECFp 1995 | SPECInt 2000 | SPECFp 2000 | SPECInt 2006 | SPECFp 2006 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Intel | Core 2 Quad Extreme | Kentsfield | QX6700 | Core:Kentsfield | 2006-08-01 | 8192 | 1.34 | 0.065 | 10.9 | 2667.0 | 130.0 | 2822.0 | 2705.4 | details | ||||||
| Intel | Core 2 Quad Extreme | Kentsfield | QX6800 | Core:Kentsfield | 2007-04-01 | 8192 | 1.24 | 0.065 | 11.3 | 2933.0 | 130.0 | details | ||||||||
| Intel | Core 2 Quad Extreme | Kentsfield | QX6850 | Core:Kentsfield | 2007-07-01 | 8192 | 1.24 | 0.065 | 11.3 | 3000.0 | 130.0 | details | ||||||||
| Intel | Core 2 Quad Extreme | Kentsfield | QX9300 | Core:Kentsfield | 2008-08-01 | 12284 | 1.11 | 0.045 | 12.6 | 2530.0 | 45.0 | details | ||||||||
| Intel | Core 2 Quad Extreme | Kentsfield | QX9650 | Core:Kentsfield | 2007-11-01 | 12284 | 1.11 | 0.045 | 12.6 | 3000.0 | 130.0 | details | ||||||||
| Intel | Core 2 Quad Extreme | Kentsfield | QX9770 | Core:Kentsfield | 2008-03-01 | 12284 | 1.11 | 0.045 | 12.6 | 3200.0 | 136.0 | details |