CPUBoss Review Our evaluation of E8400 vs M120 among all CPUs

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

Sky Diver and Cloud Gate

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?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Duo E8400 

CPUBoss recommends the Intel Core2 Duo E8400  based on its performance and single-core performance.

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VS

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 more l2 cache 6 MB vs 0.5 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 3 GHz vs 2.1 GHz Around 45% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 4.22 GHz vs 2.1 GHz More than 2x better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,251 vs 622 More than 2x better PassMark (Single core) score
Better PassMark score 2,160 vs 574 More than 3.8x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.23 GHz vs 2.1 GHz More than 2x better overclocked clock speed (Water)
Front view of AMD Sempron PCs M120

Reasons to consider the
AMD Sempron PCs M120

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Much lower typical power consumption 20.31W vs 52.81W 2.6x lower typical power consumption
Much lower annual home energy cost 6.02 $/year vs 15.66 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 56.94 $/year 2.6x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs Sempron PCs M120

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

Core2 Duo E8400
128,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Sempron PCs M120 
Clock speed 3 GHz 2.1 GHz
Cores Dual core Single core
Socket type
LGA 775
S1

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3

power consumption

TDP 65W 25W
Annual home energy cost 15.66 $/year 6.02 $/year
Annual commercial energy cost 56.94 $/year 21.9 $/year
Performance per watt 1.83 pt/W 1.55 pt/W
Typical power consumption 52.81W 20.31W

details

Core2 Duo E8400  vs
Sempron PCs M120 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 6 MB 0.5 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.22 GHz 2.1 GHz
Overclocked clock speed (Water) 4.23 GHz 2.1 GHz
Overclocked clock speed (Air) 4.22 GHz 2.1 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

Clock speed 1,333 MHz 400 MHz
Intel Core2 Duo E8400
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AMD Sempron PCs M120
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