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Differences What are the advantages of each

Front view of Intel Core i5 650

Reasons to consider the
Intel Core i5 650

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Significantly higher clock speed 3.2 GHz vs 2.7 GHz Around 20% higher clock speed
Much better overclocked clock speed (Air) 4.31 GHz vs 2.7 GHz Around 60% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 5.08 GHz vs 2.7 GHz Around 90% better overclocked clock speed (Water)
Significantly higher Maximum operating temperature 72.6 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Front view of Intel Celeron G555

Reasons to consider the
Intel Celeron G555

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Much lower typical power consumption 52.81W vs 100.22W More than 45% lower typical power consumption
Supports more RAM 32,768 MB vs 16,773.12 MB Supports more than 95% more RAM
Much lower annual home energy cost 15.66 $/year vs 37.54 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 96.89 $/year More than 40% lower annual commercial energy cost
Newer Sep, 2012 vs Jan, 2010 Release date over 2 years later

Benchmarks Real world tests of Core i5 650 vs Celeron G555

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 650  vs
Celeron G555 
Clock speed 3.2 GHz 2.7 GHz
Cores Dual core Dual core
Socket type
LGA 1156
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 73W 65W
Annual home energy cost 37.54 $/year 15.66 $/year
Annual commercial energy cost 96.89 $/year 56.94 $/year
Performance per watt 4.67 pt/W 1.95 pt/W
Typical power consumption 100.22W 52.81W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i5 650  vs
Celeron G555 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 4 MB 2 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 24 27
Operating temperature Unknown - 72.6°C Unknown - 69.1°C

overclocking

Overclocked clock speed 4.31 GHz 2.7 GHz
Overclocked clock speed (Water) 5.08 GHz 2.7 GHz
Overclocked clock speed (Air) 4.31 GHz 2.7 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 2 2
GPU clock speed 733 MHz 850 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 17,066.66 MB/s
Maximum memory size 16,773.12 MB 32,768 MB
Intel Core i5 650
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Intel Celeron G555
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