CPUBoss Review Our evaluation of E5700 vs 2120 among desktop CPUs (45 to 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

7.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i3 2120 

CPUBoss recommends the Intel Core i3 2120  based on its performance, single-core performance and value.

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VS
Front view of Intel Core i3 2120

Intel Core i3 2120

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Pentium E5700

Reasons to consider the
Intel Pentium E5700

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Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly higher Maximum operating temperature 74.1 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Better overclocked clock speed (Air) 3.87 GHz vs 3.44 GHz Around 15% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.2 GHz vs 3.41 GHz Around 25% better overclocked clock speed (Water)
Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better PassMark score 3,869 vs 1,754 Around 2.2x better PassMark score
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3.3 GHz vs 3 GHz Around 10% higher clock speed
More threads 4 vs 2 Twice as many threads
Much better PassMark (Single core) score 1,679 vs 1,232 More than 35% better PassMark (Single core) score
Newer Jan, 2011 vs Jul, 2010 Release date 6 months later

Benchmarks Real world tests of Pentium E5700 vs Core i3 2120

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium E5700
127,200 MB/s
Core i3 2120
162,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium E5700  vs
Core i3 2120 
Clock speed 3 GHz 3.3 GHz
Cores Dual core Dual core
Socket type
LGA 775
LGA 1155

features

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

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 2.18 pt/W 3.27 pt/W
Typical power consumption 52.81W 52.81W

details

Pentium E5700  vs
Core i3 2120 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 2 MB 0.5 MB
L2 cache per core 1 MB/core 0.25 MB/core
L3 cache 2 MB 3 MB
L3 cache per core 1 MB/core 1.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 15 33
Operating temperature Unknown - 74.1°C Unknown - 69.1°C

overclocking

Overclock popularity 13 22
Overclocked clock speed 3.87 GHz 3.44 GHz
Overclocked clock speed (Water) 4.2 GHz 3.41 GHz
Overclocked clock speed (Air) 3.87 GHz 3.44 GHz

integrated graphics

GPU None GPU
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

bus

Architecture FSB DMI
Number of links 1 1
Intel Pentium E5700
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Intel Core i3 2120
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