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Differences What are the advantages of each

Front view of Intel Core i5 650

Reasons to consider the
Intel Core i5 650

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Much more l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 4.31 GHz vs 3.42 GHz More than 25% better overclocked clock speed (Air)
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly higher Maximum operating temperature 72.6 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 5.08 GHz vs 3.37 GHz More than 50% better overclocked clock speed (Water)
Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Much lower typical power consumption 52.81W vs 100.22W More than 45% lower typical power consumption
Supports more RAM 32,768 MB vs 16,773.12 MB Supports more than 95% more RAM
Higher clock speed 3.3 GHz vs 3.2 GHz Around 5% higher clock speed
Much lower annual home energy cost 15.66 $/year vs 37.54 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 96.89 $/year More than 40% lower annual commercial energy cost
Newer Jan, 2011 vs Jan, 2010 Release date a year later

Benchmarks Real world tests of Core i5 650 vs i3 2120

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

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

Core i5 650
1,550,000 MB/s
Core i3 2120
162,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 650  vs
i3 2120 
Clock speed 3.2 GHz 3.3 GHz
Cores Dual core Dual core
Socket type
LGA 1156
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 73W 65W
Annual home energy cost 37.54 $/year 15.66 $/year
Annual commercial energy cost 96.89 $/year 56.94 $/year
Performance per watt 4.67 pt/W 2.79 pt/W
Typical power consumption 100.22W 52.81W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i5 650  vs
i3 2120 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 24 33
Operating temperature Unknown - 72.6°C Unknown - 69.1°C

overclocking

Overclock popularity 21 22
Overclocked clock speed 4.31 GHz 3.42 GHz
Overclocked clock speed (Water) 5.08 GHz 3.37 GHz
Overclocked clock speed (Air) 4.31 GHz 3.42 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 733 MHz 850 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 16,773.12 MB 32,768 MB
Intel Core i5 650
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Intel Core i3 2120
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Comments

Showing 2 comments.
i think too
who is the best ; i read the the specification of the two c.p.u ; i think that the i3-2120 is the best ......
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