i7 - 980x

Specifications:   Gulftown                                   

Processor Number: i7- 980x

Launch Date: Q1 2010

Number of Cores: 6

Number of Threads: 12

Clock Speed: 3.33 GHz

Turbo Boosts upto: 3.60 Ghz

Cache : 12 MB

Instruction Set:: 64 bit

Lithography: 32 nm

Bus Type: QPI

It supports upto 24 GB of memory of 1066 DDR3 types, it is triple channel. Max Bandwidth is 25.6 .

It needs LGA 1366 chipset for the motherboard.

It has a price of  $999^.99

i7- 990x

Specifications:   Nehalem                                     

Processor Number: i7- 990x

Launch Date: Q1 2011

Number of Cores: 6

Number of Threads: 12

Clock Speed: 3.46 GHz

Turbo Boosts upto: 3.73Ghz

Cache : 12 MB

Instruction Set:: 64 bit

Lithography: 32 nm

Bus Type: QPI

It supports upto 24 GB of memory of 1066 DDR3 types, it is triple channel. Max Bandwidth is 25.6 .

It needs LGA 1366 chipset for the motherboard.

It has a price of  $1,049^.99

Intel i7 Extreme Processors

i7 - 990x

i7 - 980x

i7 - 975

i7 - 965

Intel's 2nd Generation Core Processors

Intel has launched it's second generation core processor family. These may lead to old i3/i5/i7 in price drops.
The code name is Sandy Bridge.
Here is the table which gives details about the processors.

Processor	Cores	Threads	Clock Speed	Turbo Boost	Cache
i7-2600S	4	8	2.80 GHz	3.80 GHz	8.0 MB
i7-2600K	4	8	3.40 GHz	3.80 GHz	8.0 MB
i7-2600	4	8	3.40 GHz	3.80 GHz	8.0 MB
i5-2500T	4	4	2.30 GHz	3.30 GHz	6.0 MB
i5-2500S	4	4	2.70 GHz	3.70 GHz	6.0 MB
i5-2500K	4	4	3.30 GHz	3.70 GHz	6.0 MB
i5-2500	4	4	3.30 GHz	3.70 GHz	6.0 MB
i5-2400S	4	4	2.5 GHz	3.30 GHz	6.0 MB
i5-2400	4	4	3.10 GHz	3.40 GHz	6.0 MB
i5-2390T	2	4	2.70 GHz	3.50 GHz	3.0 MB
i5-2300	4	4	2.80 GHz	3.10 GHz	6.0 MB
i3-2120	2	4	3.30 GHz	-	3.0 MB
i3-2100T	2	4	2.50 GHz	-	3.0 MB
i3-2100	2	4	3.10 GHz	-	3.0 MB

Intel Processors

Desktop Processors    i3, i5, i7

Laptop Processors      i3, i5, i7