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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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Significantly higher clock speed 2.9 GHz vs 2.1 GHz Around 40% higher clock speed
Significantly better overclocked clock speed (Air) 3 GHz vs 2.1 GHz Around 45% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.09 GHz vs 2.1 GHz More than 45% better overclocked clock speed (Water)
Front view of Intel Core i3 2308M

Reasons to consider the
Intel Core i3 2308M

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Significantly lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Significantly higher Maximum operating temperature 85 °C vs 69.1 °C Around 25% higher Maximum operating temperature
More threads 4 vs 2 Twice as many threads
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost

Features Key features of the Pentium G645  vs Core i3 2308M 

clock speed

Pentium G645
2.9 GHz
Core i3 2308M
2.1 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Pentium G645
3 GHz
Core i3 2308M
2.1 GHz

overclocked clock speed (water)

Pentium G645
3.09 GHz
Core i3 2308M
2.1 GHz

Specifications Full list of technical specs

summary

Pentium G645  vs
Core i3 2308M 
Clock speed 2.9 GHz 2.1 GHz
Cores Dual core Dual core
Socket type
LGA 1155
rPGA 988B

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

bus

Architecture DMI DMI
Transfer rate 5,000 MT/s 5,000 MT/s

details

Pentium G645  vs
Core i3 2308M 
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
Operating temperature Unknown - 69.1°C Unknown - 85°C

overclocking

Overclocked clock speed 3 GHz 2.1 GHz
Overclocked clock speed (Water) 3.09 GHz 2.1 GHz
Overclocked clock speed (Air) 3 GHz 2.1 GHz

power consumption

TDP 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Typical power consumption 52.81W 28.44W
Intel Pentium G645
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Intel Core i3 2308M
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