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Intel Core2 Duo E8400

Front view of Intel Core2 Duo E8400
Front view of Intel Celeron E3300

Intel Celeron E3300

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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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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
Significantly higher clock speed 3 GHz vs 2.5 GHz 20% higher clock speed
Much better PassMark score 2,160 vs 1,387 More than 55% better PassMark score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.22 GHz vs 3.93 GHz More than 5% better overclocked clock speed (Air)
Front view of Intel Celeron E3300

Reasons to consider the
Intel Celeron E3300

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Higher Maximum operating temperature 74.1 °C vs 72.4 °C Almost the same
Significantly better overclocked clock speed (Water) 4.61 GHz vs 4.23 GHz Around 10% better overclocked clock speed (Water)
Newer Jul, 2009 vs Jan, 2008 Release date over 1 years later

Benchmarks Real world tests of Core2 Duo E8400 vs Celeron E3300

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Duo E8400
2,982
Celeron E3300
2,393

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Duo E8400
1,625
Celeron E3300
1,312

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo E8400
128,000 MB/s
Celeron E3300
106,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Duo E8400
2,826
Celeron E3300
2,220

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Duo E8400
3,092
Celeron E3300
3,932

GeekBench

Core2 Duo E8400
4,794
Celeron E3300
3,932

PassMark Data courtesy Passmark

Core2 Duo E8400
2,160
Celeron E3300
1,387

PassMark (Single Core)

Core2 Duo E8400
1,251
Celeron E3300
993

Specifications Full list of technical specs

summary

 Core2 Duo E8400  vs
Celeron E3300 
Clock speed 3 GHz 2.5 GHz
Cores Dual core Dual core
Socket type
LGA 775

features
Has a NX bit Yes Yes
Supports trusted computing Yes No
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 1.83 pt/W 1.58 pt/W
Typical power consumption 52.81W 52.81W

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

details

 Core2 Duo E8400  vs
Celeron E3300 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Clock multiplier 9 12
Voltage range 0.85 - 1.36V 0.85 - 1.36V
Operating temperature Unknown - 72.4°C Unknown - 74.1°C

overclocking
Overclock popularity 125 3
Overclocked clock speed 4.22 GHz 3.93 GHz
Overclocked clock speed (Water) 4.23 GHz 4.61 GHz
Overclocked clock speed (Air) 4.22 GHz 3.93 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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Intel Celeron E3300
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