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Differences What are the advantages of each

Front view of Intel Core i7 3770

Reasons to consider the
Intel Core i7 3770

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Much better turbo clock speed 1,150 MHz vs 1,050 MHz Around 10% better turbo clock speed
Significantly higher clock speed 3.4 GHz vs 3 GHz Around 15% higher clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Air) 4.03 GHz vs 3 GHz Around 35% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Higher Maximum operating temperature 67.4 °C vs 65 °C Around 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.32 GHz vs 3 GHz Around 45% better overclocked clock speed (Water)
Front view of Intel Core i3 3250T

Reasons to consider the
Intel Core i3 3250T

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Much lower typical power consumption 28.44W vs 62.56W 2.2x lower typical power consumption
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 30.66 $/year vs 67.45 $/year 2.2x lower annual commercial energy cost
Much lower annual home energy cost 8.43 $/year vs 18.55 $/year 2.2x lower annual home energy cost
Newer Apr, 2013 vs Apr, 2012 Release date 11 months later

Benchmarks Real world tests of Core i7 3770 vs i3 3250T

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3770  vs
i3 3250T 
Clock speed 3.4 GHz 3 GHz
Cores Quad core Dual core
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 77W 35W
Annual home energy cost 18.55 $/year 8.43 $/year
Annual commercial energy cost 67.45 $/year 30.66 $/year
Performance per watt 7.25 pt/W 4.37 pt/W
Typical power consumption 62.56W 28.44W

bus

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

details

Core i7 3770  vs
i3 3250T 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 67.4°C Unknown - 65°C

overclocking

Overclocked clock speed 4.03 GHz 3 GHz
Overclocked clock speed (Water) 4.32 GHz 3 GHz
Overclocked clock speed (Air) 4.03 GHz 3 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® HD Graphics 2500
Number of displays supported 3 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,150 MHz 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i7 3770
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Intel Core i3 3250T
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