CPUs

Intel Core i7-965 vs Intel Core i7-990X Full Specs

4 Cores
8 Threads
3.2GHz
6 Cores
12 Threads
3.46GHz
TDP
130W
TDP
130W
Bandwidth
25.6GB/s
DDR3
Bandwidth
25.6GB/s
DDR3
Socket
Socket

4 Cores
6 Cores
8 Threads
12 Threads

Base Clock
3.2GHz
Base Clock
3.46GHz
Boost Clock
3.46GHz
Boost Clock
3.73GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
8MB
L3
12MB

Type
DDR3
Type
DDR3
Max Memory
24GB
Max Memory
24GB
ECC
No
ECC
No
Channels
3
Channels
3
Bus Width
192-bit
Bus Width
192-bit
Speed
1066MT/s
Speed
1066MT/s
Bandwidth
25.6GB/s
Bandwidth
25.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
25.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
25.6GB/s

TDP
130W
TDP
130W
T-Case
67.9°C Max
T-Case
67.9°C Max
Voltage Range
-
Voltage Range
-
Included Cooler
1
Included Cooler
1

Bus Type
QPI
Bus Type
QPI
Bus Config
16-bit
Bus Config
16-bit
Bus Speed
6.4GT/s
Bus Speed
6.4GT/s
Bus Bandwidth
12.8GB/s
Bus Bandwidth
12.8GB/s

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Core i7 Extreme 2008 branding
Branding
Core i7 Extreme 2011 branding
Codename
Bloomfield
Codename
Gulftown
Market Segment
Workstation
Market Segment
Workstation
Release Date
Nov 1, 2008
Release Date
Feb 1, 2011

Foundry
Intel
Foundry
Intel
Fabrication Node
45nm
Fabrication Node
32nm
Die Size
263mm²
Die Size
240mm²
Transistor Count
731 Million
Transistor Count
1.2 Billion
Transistor Density
3 MTr/mm²
Transistor Density
5 MTr/mm²