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Front view of Intel Core i5 2400

Intel Core i5 2400

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i5 520E

Reasons to consider the
Intel Core i5 520E

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Much lower typical power consumption 28.44W vs 93.6W 3.3x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 8.43 $/year vs 27.75 $/year 3.3x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 100.92 $/year 3.3x lower annual commercial energy cost
Front view of Intel Core i5 2400

Reasons to consider the
Intel Core i5 2400

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Much better performance per dollar 4.58 pt/$ vs 0.41 pt/$ More than 11.2x better performance per dollar
Higher clock speed 3.1 GHz vs 2.4 GHz Around 30% higher clock speed
Higher turbo clock speed 3.4 GHz vs 2.93 GHz More than 15% higher turbo clock speed
Much better turbo clock speed 1,100 MHz vs 766 MHz Around 45% better turbo clock speed
Much higher GPU clock speed 850 MHz vs 500 MHz 70% higher GPU clock speed
More l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 8.14 pt/W vs 2.48 pt/W More than 3.2x better performance per watt
Significantly better PassMark (Single core) score 1,742 vs 1,011 More than 70% better PassMark (Single core) score
Significantly better overclocked clock speed (Air) 3.54 GHz vs 2.4 GHz Around 50% better overclocked clock speed (Air)
Better PassMark score 5,901 vs 2,486 More than 2.2x better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
Significantly better overclocked clock speed (Water) 3.51 GHz vs 2.4 GHz More than 45% better overclocked clock speed (Water)
Newer Jan, 2011 vs Jan, 2010 Release date 11 months later

Benchmarks Real world tests of Core i5 520E vs 2400

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 520E
586.7 MB/s
Core i5 2400
2,260,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 520E  vs
2400 
Clock speed 2.4 GHz 3.1 GHz
Turbo clock speed 2.93 GHz 3.4 GHz
Cores Dual core Quad core
Socket type
BGA 1288
LGA 1155
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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 35W 95W
Annual home energy cost 8.43 $/year 27.75 $/year
Annual commercial energy cost 30.66 $/year 100.92 $/year
Performance per watt 2.48 pt/W 8.14 pt/W
Typical power consumption 28.44W 93.6W

bus

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

details

Core i5 520E  vs
2400 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 3 MB 6 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 18 31

overclocking

Overclocked clock speed 2.4 GHz 3.54 GHz
Overclocked clock speed (Water) 2.4 GHz 3.51 GHz
Overclocked clock speed (Air) 2.4 GHz 3.54 GHz

integrated graphics

GPU GPU GPU
Label Integrated Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 500 MHz 850 MHz
Turbo clock speed 766 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 17,066.66 MB/s 21,333.32 MB/s
Maximum memory size 9,000.96 MB 32,768 MB
Intel Core i5 520E
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Intel Core i5 2400
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