CPUBoss Review Our evaluation of E6600 vs 2120


Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)


How much speed can you get out of the processor?

overclock popularity


Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Intel Core i3 2120 

CPUBoss recommends the Intel Core i3 2120  based on its .

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Front view of Intel Core i3 2120

Intel Core i3 2120

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core2 Duo E6600

Reasons to consider the
Intel Core2 Duo E6600

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Significantly more l2 cache 4 MB vs 0.5 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better performance per dollar 23.62 pt/$ vs 6.94 pt/$ Around 3.5x better performance per dollar
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core
Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Newer manufacturing process 32 nms vs 65 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.3 GHz vs 2.4 GHz Around 40% higher clock speed
Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More threads 4 vs 2 Twice as many threads
Better PassMark (Single core) score 1,679 vs 1,268 More than 30% better PassMark (Single core) score
Newer Jan, 2011 vs Jul, 2006 Release date over 4 years later
Better PassMark score 3,867 vs 1,555 Around 2.5x better PassMark score
Significantly higher Maximum Operating Temperature 69.1 °C vs 60.1 °C Around 15% higher Maximum Operating Temperature
Better 3DMark11 physics score 3,880 vs 1,680 More than 2.2x better 3DMark11 physics score
Better geekbench (64-bit) score 5,435 vs 2,409 More than 2.2x better geekbench (64-bit) score
Better performance per watt 8.76 pt/W vs 4 pt/W Around 2.2x better performance per watt

Benchmarks Real world tests of Core2 Duo E6600 vs Core i3 2120


3D Mark 11 (Physics)

Core2 Duo E6600 Core i3 2120 @ community.futuremark.com

Reviews Word on the street

Specifications Full list of technical specs


Core2 Duo E6600  vs
Core i3 2120 
Clock speed 2.4 GHz 3.3 GHz
Cores Dual core Dual core
Socket type
LGA 775
LGA 1155
Is hyperthreaded No Yes


Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes


Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,100 MHz


Architecture FSB DMI
Number of links 1 1


Core2 Duo E6600  vs
Core i3 2120 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 4 MB 0.5 MB
L2 cache per core 2 MB/core 0.25 MB/core
Manufacture process 65 nms 32 nms
Max CPUs 1 1
Clock multiplier 9 33
Operating temperature Unknown - 60.1°C Unknown - 69.1°C


Overclock popularity 47 22
Overclock review score 5 1

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 4 pt/W 8.76 pt/W
Typical power consumption 52.81W 52.81W
Intel Core2 Duo E6600
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Intel Core i3 2120
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