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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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More cores 4 vs 2 Twice as many cores; run more applications at once
Much better turbo clock speed 1,150 MHz vs 1,100 MHz Around 5% better turbo clock speed
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Air) 4.03 GHz vs 3.49 GHz More than 15% better overclocked clock speed (Air)
Higher clock speed 3.4 GHz vs 3.3 GHz Around 5% higher clock speed
Much better overclocked clock speed (Water) 4.32 GHz vs 3.3 GHz More than 30% better overclocked clock speed (Water)
Newer Apr, 2012 vs Jul, 2011 Release date 10 months later
Front view of Intel Core i3 2125

Reasons to consider the
Intel Core i3 2125

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Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower typical power consumption 52.81W vs 62.56W More than 15% lower typical power consumption
Higher Maximum operating temperature 69.1 °C vs 67.4 °C Around 5% higher Maximum operating temperature
Lower annual commercial energy cost 56.94 $/year vs 67.45 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 18.55 $/year More than 15% lower annual home energy cost

Benchmarks Real world tests of Core i7 3770 vs i3 2125

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 3770
12,524
Core i3 2125
5,105

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 3770
2,660,000 MB/s
Core i3 2125
160,600 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 3770
12,495
Core i3 2125
5,119

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 3770
13,300
Core i3 2125
5,318

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3770  vs
i3 2125 
Clock speed 3.4 GHz 3.3 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 77W 65W
Annual home energy cost 18.55 $/year 15.66 $/year
Annual commercial energy cost 67.45 $/year 56.94 $/year
Performance per watt 7.25 pt/W 2.79 pt/W
Typical power consumption 62.56W 52.81W

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 2125 
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 32 nm
Max CPUs 1 1
Clock multiplier 34 33
Operating temperature Unknown - 67.4°C Unknown - 69.1°C

overclocking

Overclock popularity 8 0
Overclock review score 0.9 0.8
Overclocked clock speed 4.03 GHz 3.49 GHz
Overclocked clock speed (Water) 4.32 GHz 3.3 GHz
Overclocked clock speed (Air) 4.03 GHz 3.49 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® HD Graphics 3000
Number of displays supported 3 2
GPU clock speed 650 MHz 850 MHz
Turbo clock speed 1,150 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i7 3770
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Intel Core i3 2125
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