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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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CPUBoss is not aware of any important advantages of the Intel Core i5 2400 vs the AMD A8 3870K.

Front view of AMD A8 3870K

Reasons to consider the
AMD A8 3870K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking

Benchmarks Real world tests of Core i5 2400 vs A8 3870K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 2400
8,298
A8 3870K
5,602

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 2400
2,638
A8 3870K
1,597

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 2400
2,260,000 MB/s
A8 3870K
126,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 2400
8,258
A8 3870K
5,339

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 2400
9,093
A8 3870K
7,554

GeekBench

Core i5 2400
10,769
A8 3870K
7,554

PassMark Data courtesy Passmark

Core i5 2400
5,901
A8 3870K
3,596

PassMark (Single Core)

Core i5 2400
1,742
A8 3870K
1,032

Specifications Full list of technical specs

summary

Core i5 2400  vs
A8 3870K 
Clock speed 3.1 GHz 3 GHz
Cores Quad core Quad core
Socket type
LGA 1155
FM1
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
AMD64
SSE4.1
SSE4.2
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 100W
Annual home energy cost 27.75 $/year 40.03 $/year
Annual commercial energy cost 100.92 $/year 138.41 $/year
Performance per watt 8.14 pt/W 1.03 pt/W
Peak power consumption 115.2W 158W
Typical power consumption 93.6W N/A

bus

Architecture DMI FSB
Number of links 1 4
Transfer rate 5,000 MT/s 3,200 MT/s

details

Core i5 2400  vs
A8 3870K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 31 30
Operating temperature Unknown - 72.6°C Unknown - 72.7°C

overclocking

Overclock popularity 63 32
Overclocked clock speed 3.54 GHz 3.56 GHz
Overclocked clock speed (Water) 3.51 GHz 3.67 GHz
PassMark (Overclocked) 3,244.5 2,107.6
Overclocked clock speed (Air) 3.54 GHz 3.56 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2000 Radeon™ HD 6550D
Number of displays supported 2 2
GPU clock speed 850 MHz 600 MHz
Turbo clock speed 1,100 MHz 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 29,866.66 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i5 2400
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AMD A8 3870K
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