CPUBoss Review Our evaluation of E7500 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?

PassMark (Overclocked), Unlocked, Maximum Overclocked Clock Speed (Air) and 2 more


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 E7500

Reasons to consider the
Intel Core2 Duo E7500

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Much better performance per dollar 30.23 pt/$ vs 4.72 pt/$ Around 6.5x better performance per dollar
More l2 cache 3 MB vs 0.5 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l2 cache per core
Higher Maximum operating temperature 74.1 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.3 GHz vs 2.93 GHz Around 15% higher clock speed
More threads 4 vs 2 Twice as many threads
Better PassMark (Single core) score 1,679 vs 1,206 Around 40% better PassMark (Single core) score
Better PassMark score 3,869 vs 1,883 More than 2x better PassMark score
Better 3DMark11 physics score 3,880 vs 2,250 More than 70% better 3DMark11 physics score
Newer Jan, 2011 vs Jan, 2009 Release date over 2 years later
Better geekbench (64-bit) score 5,421 vs 2,986 More than 80% better geekbench (64-bit) score
Better performance per watt 8.53 pt/W vs 5.58 pt/W Around 55% better performance per watt

Benchmarks Real world tests of Core2 Duo E7500 vs Core i3 2120

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs


3D Mark 11 (Physics)

PassMark Data courtesy PassMark

PassMark (Single Core) Data courtesy PassMark

Specifications Full list of technical specs


Core2 Duo E7500  vs
Core i3 2120 
Clock speed 2.93 GHz 3.3 GHz
Cores Dual core Dual core
Socket type
LGA 775
LGA 1155


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


Architecture FSB DMI
Number of links 1 1


Core2 Duo E7500  vs
Core i3 2120 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 3 MB 0.5 MB
L2 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 11 33
Operating temperature Unknown - 74.1°C Unknown - 69.1°C

integrated graphics

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

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 5.58 pt/W 8.53 pt/W
Typical power consumption 52.81W 52.81W
Intel Core2 Duo E7500
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Intel Core i3 2120
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