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Differences What are the advantages of each

Front view of Intel Pentium G645T

Reasons to consider the
Intel Pentium G645T

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Much better turbo clock speed 1,100 MHz vs 1,000 MHz 10% better turbo clock speed
Much lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Higher clock speed 2.5 GHz vs 2.4 GHz Around 5% higher clock speed
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Newer Sep, 2012 vs Jul, 2011 Release date over 1 years later
Better overclocked clock speed (Water) 2.5 GHz vs 2.4 GHz Around 5% better overclocked clock speed (Water)
Front view of Intel Celeron G530

Reasons to consider the
Intel Celeron G530

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Significantly higher Maximum operating temperature 69.1 °C vs 65 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Pentium G645T vs Celeron G530

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

Pentium G645T
124,300 MB/s
Celeron G530
118,250 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G645T  vs
Celeron G530 
Clock speed 2.5 GHz 2.4 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
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 65W
Annual home energy cost 8.43 $/year 15.66 $/year
Annual commercial energy cost 30.66 $/year 56.94 $/year
Performance per watt 3.81 pt/W 1.94 pt/W
Typical power consumption 28.44W 52.81W

bus

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

details

Pentium G645T  vs
Celeron G530 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 25 24
Operating temperature Unknown - 65°C Unknown - 69.1°C

overclocking

Overclocked clock speed 2.5 GHz 2.51 GHz
Overclocked clock speed (Water) 2.5 GHz 2.4 GHz
Overclocked clock speed (Air) 2.5 GHz 2.51 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 2 2
GPU clock speed 650 MHz 850 MHz
Turbo clock speed 1,100 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 17,066.66 MB/s 17,066.66 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Pentium G645T
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Intel Celeron G530
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