CPUBoss Review Our evaluation of E8400 vs 145 among desktop 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

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

3.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Duo E8400 

CPUBoss recommends the Intel Core2 Duo E8400  based on its 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 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better PassMark score 2,160 vs 800 Around 2.8x better PassMark score
Much better geekbench 2 (32-bit) score 2,826 vs 1,332 More than 2x better geekbench 2 (32-bit) score
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed
Much higher Maximum operating temperature 72.4 °C vs 63 °C Around 15% higher Maximum operating temperature
Significantly better overclocked clock speed (Air) 4.22 GHz vs 4.05 GHz Around 5% better overclocked clock speed (Air)
Front view of AMD Sempron 145

Reasons to consider the
AMD Sempron 145

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Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Newer May, 2010 vs Jan, 2008 Release date over 2 years later

Benchmarks Real world tests of Core2 Duo E8400 vs Sempron 145

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
Sempron 145
111,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Sempron 145 
Clock speed 3 GHz 2.8 GHz
Cores Dual core Single core
Socket type
LGA 775
AM3

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Performance per watt 1.83 pt/W 2.06 pt/W
Typical power consumption 52.81W 36.56W

bus

Clock speed 1,333 MHz 2,000 MHz

details

Core2 Duo E8400  vs
Sempron 145 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.85 - 1.36V 0.82 - 1.35V
Operating temperature Unknown - 72.4°C Unknown - 63°C

overclocking

Overclock popularity 125 9
Overclocked clock speed 4.22 GHz 4.05 GHz
Overclocked clock speed (Water) 4.23 GHz 4.28 GHz
Overclocked clock speed (Air) 4.22 GHz 4.05 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
Intel Core2 Duo E8400
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AMD Sempron 145
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