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Intel Core i7 990X

Front view of Intel Core i7 990X
Front view of Intel Core i7 965

Intel Core i7 965

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Differences What are the advantages of each

Front view of Intel Core i7 990X

Reasons to consider the
Intel Core i7 990X

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CPUBoss is not aware of any important advantages of the 990X Extreme Edition vs the 965 Extreme Edition.
Front view of Intel Core i7 965

Reasons to consider the
Intel Core i7 965

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CPUBoss is not aware of any important advantages of the 965 Extreme Edition vs the 990X Extreme Edition.

Benchmarks Real world tests of Core i7 990X vs 965

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 990X
14,805
Core i7 965
8,711

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 990X
2,592
Core i7 965
2,202

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 990X
1,750,000 MB/s
Core i7 965
142,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 990X
14,910
Core i7 965
9,119

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 990X
15,371
Core i7 965
9,158

GeekBench

Core i7 990X
17,123
Core i7 965
10,840

PassMark Data courtesy Passmark

Core i7 990X
9,389
Core i7 965
5,888

PassMark (Single Core)

Core i7 990X
1,509
Core i7 965
1,383

Specifications Full list of technical specs

summary

 Core i7 990X  vs
965 
Clock speed 3.46 GHz 3.2 GHz
Turbo clock speed 3.73 GHz 3.46 GHz
Cores Hexa core Quad core
Socket type
LGA 1366
Is unlocked Yes Yes

features
Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 130W 130W
Annual home energy cost 31.32 $/year 31.32 $/year
Annual commercial energy cost 113.88 $/year 113.88 $/year
Performance per watt 6.36 pt/W 1.62 pt/W
Typical power consumption 105.63W 105.63W

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Triple Channel
Supports ECC No No
Maximum bandwidth 25,599.99 MB/s 25,599.99 MB/s
Maximum memory size 24,576 MB 24,576 MB

details

 Core i7 990X  vs
965 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 4 MB
L2 cache per core 0.33 MB/core 1 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Clock multiplier 26 24
Voltage range 0.8 - 1.38V 0.8 - 1.38V
Operating temperature Unknown - 67.9°C Unknown - 67.9°C

overclocking
Overclock popularity 54 16
Overclocked clock speed 4.58 GHz 4.54 GHz
Overclocked clock speed (Water) 4.47 GHz 3.73 GHz
Overclocked clock speed (Air) 4.58 GHz 4.54 GHz

integrated graphics
GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus
Architecture QPI QPI
Number of links 1 1
Data rate 25,600 MB/s 25,600 MB/s
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 1,066 MHz
Intel Core i7 990X
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Intel Core i7 965
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