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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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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.1 GHz vs 2.8 GHz More than 10% higher clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 3.51 GHz vs 2.8 GHz More than 25% better overclocked clock speed (Water)
Newer Jan, 2011 vs Jul, 2009 Release date over 1 years later
Front view of AMD Athlon II X2 240

Reasons to consider the
AMD Athlon II X2 240

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much lower typical power consumption 52.81W vs 93.6W Around 45% lower typical power consumption
Better overclocked clock speed (Air) 3.67 GHz vs 3.54 GHz Around 5% better overclocked clock speed (Air)
Much lower annual home energy cost 15.66 $/year vs 27.75 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 100.92 $/year Around 45% lower annual commercial energy cost
Higher Maximum operating temperature 74 °C vs 72.6 °C Almost the same

Benchmarks Real world tests of Core i5 2400 vs Athlon II X2 240

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 2400
2,260,000 MB/s
Athlon II X2 240
112,300 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 2400  vs
Athlon II X2 240 
Clock speed 3.1 GHz 2.8 GHz
Turbo clock speed 3.4 GHz 3.3 GHz
Cores Quad core Dual core
Socket type
LGA 1155
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 65W
Annual home energy cost 27.75 $/year 15.66 $/year
Annual commercial energy cost 100.92 $/year 56.94 $/year
Performance per watt 8.14 pt/W 1.67 pt/W
Typical power consumption 93.6W 52.81W

details

Core i5 2400  vs
Athlon II X2 240 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 6 MB 1 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 72.6°C Unknown - 74°C

overclocking

Overclock popularity 63 23
Overclocked clock speed 3.54 GHz 3.67 GHz
Overclocked clock speed (Water) 3.51 GHz 2.8 GHz
PassMark (Overclocked) 3,244.5 2,103.5
Overclocked clock speed (Air) 3.54 GHz 3.67 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 2000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Intel Core i5 2400
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AMD Athlon II X2 240
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