CPUBoss Review Our evaluation of 965 vs 920 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

3.5

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 965 

CPUBoss recommends the Intel Core i7 965  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core i7 965

Reasons to consider the
Intel Core i7 965

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Front view of Intel Core i7 920

Reasons to consider the
Intel Core i7 920

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CPUBoss is not aware of any important advantages of the 920 vs the 965 Extreme Edition.

Benchmarks Real world tests of Core i7 965 vs 920

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 965
8,711
Core i7 920
7,014

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 965
2,202
Core i7 920
1,959

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 965
142,500 MB/s
Core i7 920
143,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 965
9,119
Core i7 920
7,125

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 965
9,158
Core i7 920
7,791

GeekBench

Core i7 965
10,840
Core i7 920
9,242

PassMark Data courtesy Passmark

Core i7 965
5,888
Core i7 920
4,958

PassMark (Single Core)

Core i7 965
1,383
Core i7 920
1,164

Specifications Full list of technical specs

summary

Core i7 965  vs
920 
Clock speed 3.2 GHz 2.66 GHz
Turbo clock speed 3.46 GHz 2.93 GHz
Cores Quad core Quad core
Socket type
LGA 1366
Is unlocked Yes No

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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 130W
Annual home energy cost 31.32 $/year 48.38 $/year
Annual commercial energy cost 113.88 $/year 134.55 $/year
Performance per watt 1.62 pt/W 1.21 pt/W
Typical power consumption 105.63W 135.63W

memory controller

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

details

Core i7 965  vs
920 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 4 MB 1 MB
L2 cache per core 1 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 45 nm
Transistor count 731,000,000 731,000,000
Max CPUs 1 1
Clock multiplier 24 20
Voltage range 0.8 - 1.38V 0.8 - 1.38V
Operating temperature Unknown - 67.9°C Unknown - 67.9°C

overclocking

Overclock popularity 16 491
Overclocked clock speed 4.54 GHz 4.22 GHz
Overclocked clock speed (Water) 3.73 GHz 4.24 GHz
Overclocked clock speed (Air) 4.54 GHz 4.22 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 19,200 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 1,066 MHz 2,400 MHz
Intel Core i7 965
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Intel Core i7 920
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