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Differences What are the advantages of each

Front view of Intel Core i5 2500K

Reasons to consider the
Intel Core i5 2500K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Front view of AMD A8 3850

Reasons to consider the
AMD A8 3850

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CPUBoss is not aware of any important advantages of the AMD A8 3850 vs the Intel Core i5 2500K.

Benchmarks Real world tests of Core i5 2500K vs A8 3850

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 3850
2,056

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 3850
5,262

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 3850
1,517

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 2500K
2,530,000 MB/s
A8 3850
121,450 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 2500K
10,319
A8 3850
5,321

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 2500K
11,186
A8 3850
7,685

PassMark Data courtesy Passmark

A8 3850
3,489

PassMark (Single Core)

Reviews Word on the street

Core i5 2500K  vs A8 3850 

9.0
8.0

9.0
9.0

Overall

9.4 Out of 10
8.9 Out of 10

Specifications Full list of technical specs

summary

Core i5 2500K  vs
A8 3850 
Clock speed 3.3 GHz 2.9 GHz
Turbo clock speed 3.7 GHz None
Cores Quad core Quad core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
AMD64
SSE4.1
SSE4.2
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Radeon™ HD 6550D
Latest DirectX 10.1 11.0
GPU clock speed 850 MHz 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3-1066
DDR3

details

Core i5 2500K  vs
A8 3850 
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
L3 cache 6 MB 1 MB
L3 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,160,000,000 1,178,000,000
Max CPUs 1 1
Voltage range 1.2 - 1.5V 0.91 - 1.41V
Operating temperature 5 - 72.6°C Unknown - 72.7°C

overclocking

Overclock popularity 3,179 25
Overclocked clock speed 4.98 GHz 3.54 GHz
Overclocked clock speed (Water) 4.88 GHz 2.9 GHz
PassMark (Overclocked) 5,433.6 2,465.8
Overclocked clock speed (Air) 4.98 GHz 3.54 GHz

power consumption

TDP 95W 100W
Annual home energy cost 41.29 $/year 37.95 $/year
Annual commercial energy cost 110.03 $/year 107.75 $/year
Performance per watt 6.79 pt/W 1.39 pt/W
Idle power consumption 73.4W 62.4W
Peak power consumption 125.6W 123W
Typical power consumption 112.55W 107.85W
Intel Core i5 2500K
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AMD A8 3850
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