CPUBoss Review Our evaluation of E5700 vs E8400 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

5.2

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Duo E8400 

CPUBoss recommends the Intel Core2 Duo E8400  based on its performance and overclocking.

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VS

Differences What are the advantages of each

Front view of Intel Pentium E5700

Reasons to consider the
Intel Pentium E5700

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Newer Jul, 2010 vs Jan, 2008 Release date over 2 years later
Higher Maximum operating temperature 74.1 °C vs 72.4 °C Almost the same
Better performance per dollar 1.16 pt/$ vs 0.18 pt/$ More than 6.5x better performance per dollar
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 2 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much more l2 cache per core 3 MB/core vs 1 MB/core 3x more l2 cache per core
Better PassMark score 2,172 vs 1,754 Around 25% better PassMark score
Better overclocked clock speed (Air) 4.23 GHz vs 3.87 GHz Around 10% better overclocked clock speed (Air)
Slightly better geekbench 3 single core score 1,625 vs 1,537 More than 5% better geekbench 3 single core score
Significantly better overclocked clock speed (Water) 4.2 GHz vs 3 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium E5700 vs Core2 Duo E8400

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
Core2 Duo E8400
128,000 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
Core2 Duo E8400 
Clock speed 3 GHz 3 GHz
Cores Dual core Dual core
Socket type
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
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 2.11 pt/W
Typical power consumption 52.81W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 1,333 MHz

details

Pentium E5700  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 6 MB
L2 cache per core 1 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Transistor count 228,000,000 410,000,000
Max CPUs 1 1
Clock multiplier 15 9
Voltage range 0.85 - 1.36V 0.85 - 1.36V
Operating temperature Unknown - 74.1°C Unknown - 72.4°C

overclocking

Overclock popularity 13 125
Overclocked clock speed 3.87 GHz 4.23 GHz
Overclocked clock speed (Water) 3 GHz 4.2 GHz
Overclocked clock speed (Air) 3.87 GHz 4.23 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 Pentium E5700
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Intel Core2 Duo E8400
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Comments

Showing 1 comment.
Nearly same performance but e7600 is doubles cheaper then e8400.
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