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Differences What are the advantages of each

Front view of Intel Pentium G645

Reasons to consider the
Intel Pentium G645

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Newer Sep, 2012 vs Apr, 2011 Release date over 1 years later
Front view of Intel Core i3 2102

Reasons to consider the
Intel Core i3 2102

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More threads 4 vs 2 Twice as many threads
Higher clock speed 3.1 GHz vs 2.9 GHz More than 5% higher clock speed

Benchmarks Real world tests of Pentium G645 vs Core i3 2102

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G645  vs
Core i3 2102 
Clock speed 2.9 GHz 3.1 GHz
Cores Dual core Dual core
Socket type
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
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 2.37 pt/W 2.63 pt/W
Typical power consumption 52.81W 52.81W

bus

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

details

Pentium G645  vs
Core i3 2102 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 29 31
Operating temperature Unknown - 69.1°C Unknown - 69.1°C

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 850 MHz 850 MHz
Turbo clock speed 1,100 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 17,066.66 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Pentium G645
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Intel Core i3 2102
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