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Differences What are the advantages of each

Front view of Intel Core2 Duo P8400

Reasons to consider the
Intel Core2 Duo P8400

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Celeron M 723

Reasons to consider the
Intel Celeron M 723

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CPUBoss is not aware of any important advantages of the Celeron M 723 vs the Core2 Duo P8400.

Benchmarks Real world tests of Core2 Duo P8400 vs Celeron M 723

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 P8400
95,500 MB/s
Celeron M 723
49,650 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo P8400  vs
Celeron M 723 
Clock speed 2.26 GHz 1.2 GHz
Cores Dual core Single core
Socket type
479
P
BGA 956

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 25W 10W
Annual home energy cost 6.02 $/year 2.41 $/year
Performance per watt 3.83 pt/W 4.41 pt/W
Typical power consumption 20.31W 8.13W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 800 MHz

details

Core2 Duo P8400  vs
Celeron M 723 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 3 MB 1 MB
L2 cache per core 1.5 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Transistor count 410,000,000 410,000,000
Max CPUs 1 1
Clock multiplier 8 10
Voltage range 1.05 - 1.15V 1.05 - 1.15V

overclocking

Overclocked clock speed 2.54 GHz 1 GHz
Overclocked clock speed (Water) 2.26 GHz 1 GHz
Overclocked clock speed (Air) 2.54 GHz 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
Intel Core2 Duo P8400
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Intel Celeron M 723
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