CPUBoss Review Our evaluation of E8400 vs E7500

Performance

Benchmark performance using all cores

Cinebench R10 32-bit, Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Cinebench R10 32-bit (1-core) and Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

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

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Core2 Duo E8400 

CPUBoss recommends the Intel Core2 Duo E8400  based on its .

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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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Significantly more l2 cache 6 MB vs 3 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 1.5 MB/core 2x more l2 cache per core
Significantly better SysMark 2007 overall score 191 vs 173 More than 10% better SysMark 2007 overall score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better SysMark 2007 productivity score 201 vs 169 Around 20% better SysMark 2007 productivity score
Better SysMark 2007 video creation score 194 vs 187 Around 5% better SysMark 2007 video creation score
Better SysMark 2007 3D score 176 vs 166 More than 5% better SysMark 2007 3D score
Front view of Intel Core2 Duo E7500

Reasons to consider the
Intel Core2 Duo E7500

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Much better performance per dollar 25.34 pt/$ vs 19.11 pt/$ Around 35% better performance per dollar
Marginally newer Jan, 2009 vs Jan, 2008 Release date a year later
Higher Maximum Operating Temperature 74.1 °C vs 72.4 °C Almost the same

Benchmarks Real world tests of Core2 Duo E8400 vs E7500

3D Mark 11 (Physics)

Core2 Duo E8400 Core2 Duo E7500 @ community.futuremark.com

Cinebench R10 32-Bit

Cinebench R10 32-Bit (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
E7500 
Clock speed 3 GHz 2.93 GHz
Cores Dual core Dual core
Socket type
LGA 775
Is hyperthreaded No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE3
SSE2
Supplemental SSE3
SSE4.1
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 5.88 pt/W 5.85 pt/W
Typical power consumption 52.81W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,066 MHz

details

Core2 Duo E8400  vs
E7500 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 3 MB
L2 cache per core 3 MB/core 1.5 MB/core
Manufacture process 45 nms 45 nms
Transistor count 410,000,000 228,000,000
Max CPUs 1 1
Clock multiplier 9 11
Voltage range 0.85 - 1.36V 0.85 - 1.36V
Operating temperature Unknown - 72.4°C Unknown - 74.1°C

gpu

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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Intel Core2 Duo E7500
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