CPUBoss Review Our evaluation of 2400 vs 3240 among desktop CPUs

Performance

Benchmark performance using all cores
Core i5 2400
7.8
Core i3 3240
5.6
Core i5 3470
7.0
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i5 2400
8.3
Core i3 3240
7.0
Core i5 3470
9.3
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i5 2400
n.d.
Core i3 3240
0.5
Core i5 3470
0.6
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i5 2400
n.d.
Core i3 3240
5.7
Core i5 3470
5.5
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i5 2400
6.7
Core i3 3240
6.7
Core i5 3470
6.3
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i5 2400
6.3
Core i3 3240
5.6
Core i5 3470
5.7
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more
8.5

CPUBoss Score

Combination of all six facets
Core i5 2400
8.5
Core i3 3240
6.1
Core i5 3470
6.6

Winner
Intel Core i5 2400 

CPUBoss recommends the Intel Core i5 2400  based on its .

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Intel Core i5 2400

Front view of Intel Core i5 2400
Front view of Intel Core i3 3240

Intel Core i3 3240

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Differences What are the advantages of each

Front view of Intel Core i5 2400

Reasons to consider the
Intel Core i5 2400

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Much better turbo clock speed 1,100 MHz vs 1,050 MHz Around 5% better turbo clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much higher Maximum operating temperature 72.6 °C vs 65.3 °C More than 10% higher Maximum operating temperature
Slightly better overclocked clock speed (Air) 3.54 GHz vs 3.5 GHz Almost the same
Front view of Intel Core i3 3240

Reasons to consider the
Intel Core i3 3240

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Higher clock speed 3.4 GHz vs 3.1 GHz Around 10% higher clock speed
Much lower typical power consumption 44.69W vs 93.6W 2.1x lower typical power consumption
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
More number of displays supported 3 vs 2 1 more number of displays supported
Much lower annual commercial energy cost 48.18 $/year vs 100.92 $/year 2.1x lower annual commercial energy cost
Much lower annual home energy cost 13.25 $/year vs 27.75 $/year 2.1x lower annual home energy cost
Newer Sep, 2012 vs Jan, 2011 Release date over 1 years later

Benchmarks Real world tests of Core i5 2400 vs i3 3240

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 2400
8,298
Core i3 3240
5,507

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 2400
2,638
Core i3 3240
2,516

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 2400
2,260,000 MB/s
Core i3 3240
177,600 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 2400
8,258
Core i3 3240
5,519

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 2400
9,093
Core i3 3240
5,821

GeekBench

Core i5 2400
10,769
Core i3 3240
6,895

PassMark Data courtesy Passmark

Core i5 2400
5,901
Core i3 3240
4,309

PassMark (Single Core)

Core i5 2400
1,742
Core i3 3240
1,760

Specifications Full list of technical specs

summary

 Core i5 2400  vs
i3 3240 
Clock speed 3.1 GHz 3.4 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 95W 55W
Annual home energy cost 27.75 $/year 13.25 $/year
Annual commercial energy cost 100.92 $/year 48.18 $/year
Performance per watt 8.14 pt/W 2.67 pt/W
Typical power consumption 93.6W 44.69W

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

details

 Core i5 2400  vs
i3 3240 
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 22 nm
Max CPUs 1 1
Clock multiplier 31 34
Operating temperature Unknown - 72.6°C Unknown - 65.3°C

overclocking
Overclock popularity 63 1
Overclocked clock speed 3.54 GHz 3.5 GHz
Overclocked clock speed (Water) 3.51 GHz 3.5 GHz
PassMark (Overclocked) 3,244.5 3,313.1
Overclocked clock speed (Air) 3.54 GHz 3.5 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 2000 Intel® HD Graphics 2500
Number of displays supported 2 3
GPU clock speed 850 MHz 650 MHz
Turbo clock speed 1,100 MHz 1,050 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i5 2400
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Intel Core i3 3240
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