CPUBoss Review Our evaluation of E8400 vs 3210M


Benchmark performance using all cores

PassMark and GeekBench

Single-core Performance

Individual core benchmark performance

PassMark (Single Core)

Power Consumption

How much power does the processor require?



Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Value

Intel Core i5 3210M 

CPUBoss recommends the Intel Core i5 3210M  based on its .

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Front view of Intel Core i5 3210M

Intel Core i5 3210M

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much better performance per dollar 21.51 pt/$ vs 3.37 pt/$ Around 6.5x better performance per dollar
Higher clock speed 3 GHz vs 2.5 GHz 20% higher clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i5 3210M

Reasons to consider the
Intel Core i5 3210M

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher Maximum operating temperature 105 °C vs 72.4 °C More than 45% higher Maximum operating temperature
Newer Jun, 2012 vs Jan, 2008 Release date over 4 years later
Lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Better PassMark (Single core) score 1,524 vs 1,257 More than 20% better PassMark (Single core) score
Better PassMark score 3,823 vs 2,172 More than 75% better PassMark score
Better geekbench (64-bit) score 5,310 vs 3,092 More than 70% better geekbench (64-bit) score
Better performance per watt 13.48 pt/W vs 5.63 pt/W Around 2.5x better performance per watt
Lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs Core i5 3210M

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 E8400  vs
Core i5 3210M 
Clock speed 3 GHz 2.5 GHz
Cores Dual core Dual core
Socket type
LGA 775
rPGA 988B


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

power consumption

TDP 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Performance per watt 5.63 pt/W 13.48 pt/W
Typical power consumption 52.81W 28.44W


Core2 Duo E8400  vs
Core i5 3210M 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 22 nm
Transistor count 410,000,000 1,400,000,000
Max CPUs 1 1
Clock multiplier 9 25
Operating temperature Unknown - 72.4°C Unknown - 105°C

integrated graphics

Label N/A HD 4000
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz


Architecture FSB DMI 2.0
Number of links 1 1
Intel Core2 Duo E8400
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Intel Core i5 3210M
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