model number    sspec number       frequency           turbo           cores        l2 cache        l3 cache       i / o bus            mult          memory         voltage          socket    release date                part number (s) release price ( usd )
0  standard power  standard power  standard power  standard power  standard power  standard power  standard power  standard power  standard power  standard power  standard power  standard power  standard power                 standard power        standard power
1   core i7 - 860      slbjj (b1)         2.8 ghz   1 / 1 / 4 / 5               4        4 256 kb            8 mb             dmi              21   2 ddr3 - 1333     0.65 - 1.4v        lga 1156  september 2009    bv80605001908akbx80605i7860                   284
2   core i7 - 870      slbjg (b1)        2.93 ghz   2 / 2 / 4 / 5               4        4 256 kb            8 mb             dmi              22   2 ddr3 - 1333     0.65 - 1.4v        lga 1156  september 2009    bv80605001905aibx80605i7870                   562
3  core i7 - 875k      slbs2 (b1)        2.93 ghz   2 / 2 / 4 / 5               4        4 256 kb            8 mb             dmi              22   2 ddr3 - 1333     0.65 - 1.4v        lga 1156        may 2010  bv80605001905 ambx80605i7875k                   342
4   core i7 - 880      slbps (b1)        3.07 ghz   2 / 2 / 4 / 5               4        4 256 kb            8 mb             dmi              23   2 ddr3 - 1333     0.65 - 1.4v        lga 1156        may 2010                bv80605002505ag                   583
5       low power       low power       low power       low power       low power       low power       low power       low power       low power       low power       low power       low power       low power                      low power             low power
6  core i7 - 860s      slblg (b1)        2.53 ghz   0 / 0 / 6 / 7               4        4 256 kb            8 mb             dmi              19   2 ddr3 - 1333     0.65 - 1.4v        lga 1156    january 2010   bv80605003210adbx80605i7860s                   337
7  core i7 - 870s      slbq7 (b1)        2.67 ghz   0 / 0 / 6 / 7               4        4 256 kb            8 mb             dmi              20   2 ddr3 - 1333     0.65 - 1.4v        lga 1156       july 2010   bx80605i7870sbv80605004494ab                   351

Table as JSON:
{"model number":{"0":"standard power","1":"core i7 - 860","2":"core i7 - 870","3":"core i7 - 875k","4":"core i7 - 880","5":"low power","6":"core i7 - 860s","7":"core i7 - 870s"},"sspec number":{"0":"standard power","1":"slbjj (b1)","2":"slbjg (b1)","3":"slbs2 (b1)","4":"slbps (b1)","5":"low power","6":"slblg (b1)","7":"slbq7 (b1)"},"frequency":{"0":"standard power","1":"2.8 ghz","2":"2.93 ghz","3":"2.93 ghz","4":"3.07 ghz","5":"low power","6":"2.53 ghz","7":"2.67 ghz"},"turbo":{"0":"standard power","1":"1 \/ 1 \/ 4 \/ 5","2":"2 \/ 2 \/ 4 \/ 5","3":"2 \/ 2 \/ 4 \/ 5","4":"2 \/ 2 \/ 4 \/ 5","5":"low power","6":"0 \/ 0 \/ 6 \/ 7","7":"0 \/ 0 \/ 6 \/ 7"},"cores":{"0":"standard power","1":"4","2":"4","3":"4","4":"4","5":"low power","6":"4","7":"4"},"l2 cache":{"0":"standard power","1":"4 256 kb","2":"4 256 kb","3":"4 256 kb","4":"4 256 kb","5":"low power","6":"4 256 kb","7":"4 256 kb"},"l3 cache":{"0":"standard power","1":"8 mb","2":"8 mb","3":"8 mb","4":"8 mb","5":"low power","6":"8 mb","7":"8 mb"},"i \/ o bus":{"0":"standard power","1":"dmi","2":"dmi","3":"dmi","4":"dmi","5":"low power","6":"dmi","7":"dmi"},"mult":{"0":"standard power","1":"21","2":"22","3":"22","4":"23","5":"low power","6":"19","7":"20"},"memory":{"0":"standard power","1":"2 ddr3 - 1333","2":"2 ddr3 - 1333","3":"2 ddr3 - 1333","4":"2 ddr3 - 1333","5":"low power","6":"2 ddr3 - 1333","7":"2 ddr3 - 1333"},"voltage":{"0":"standard power","1":"0.65 - 1.4v","2":"0.65 - 1.4v","3":"0.65 - 1.4v","4":"0.65 - 1.4v","5":"low power","6":"0.65 - 1.4v","7":"0.65 - 1.4v"},"socket":{"0":"standard power","1":"lga 1156","2":"lga 1156","3":"lga 1156","4":"lga 1156","5":"low power","6":"lga 1156","7":"lga 1156"},"release date":{"0":"standard power","1":"september 2009","2":"september 2009","3":"may 2010","4":"may 2010","5":"low power","6":"january 2010","7":"july 2010"},"part number (s)":{"0":"standard power","1":"bv80605001908akbx80605i7860","2":"bv80605001905aibx80605i7870","3":"bv80605001905 ambx80605i7875k","4":"bv80605002505ag","5":"low power","6":"bv80605003210adbx80605i7860s","7":"bx80605i7870sbv80605004494ab"},"release price ( usd )":{"0":"standard power","1":"284","2":"562","3":"342","4":"583","5":"low power","6":"337","7":"351"}}