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Differences What are the advantages of each

Front view of Intel Core i5 2500T

Reasons to consider the
Intel Core i5 2500T

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More cores 4 vs 2 Twice as many cores; run more applications at once
Much better turbo clock speed 1,250 MHz vs 1,100 MHz Around 15% better turbo clock speed
Much better overclocked clock speed (Air) 3.07 GHz vs 2.65 GHz More than 15% better overclocked clock speed (Air)
Much higher Maximum operating temperature 69.8 °C vs 65 °C More than 5% higher Maximum operating temperature
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i3 2100T

Reasons to consider the
Intel Core i3 2100T

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Much lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
Much lower annual home energy cost 8.43 $/year vs 10.84 $/year More than 20% lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 39.42 $/year More than 20% lower annual commercial energy cost

Benchmarks Real world tests of Core i5 2500T vs i3 2100T

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 2500T  vs
i3 2100T 
Clock speed 2.3 GHz 2.5 GHz
Cores Quad core Dual core
Socket type
LGA 1155
Is unlocked No No

features

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

power consumption

TDP 45W 35W
Annual home energy cost 10.84 $/year 8.43 $/year
Annual commercial energy cost 39.42 $/year 30.66 $/year
Performance per watt 4.12 pt/W 4 pt/W
Typical power consumption 36.56W 28.44W

bus

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

details

Core i5 2500T  vs
i3 2100T 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 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 23 25
Operating temperature Unknown - 69.8°C Unknown - 65°C

overclocking

Overclocked clock speed 3.07 GHz 2.65 GHz
Overclocked clock speed (Water) 2.3 GHz 2.62 GHz
Overclocked clock speed (Air) 3.07 GHz 2.65 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2000 Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,250 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 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i5 2500T
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Intel Core i3 2100T
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