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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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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of AMD Phenom II X4 Black 970

Reasons to consider the
AMD Phenom II X4 Black 970

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CPUBoss is not aware of any important advantages of the AMD Phenom II X4 Black 970 vs the Intel Core i5 2500K.

Benchmarks Real world tests of Core i5 2500K vs Phenom II X4 Black 970

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 2500K
2,530,000 MB/s
Phenom II X4 Black 970
140,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Core i5 2500K  vs
Phenom II X4 Black 970 
Clock speed 3.3 GHz 3.5 GHz
Cores Quad core Quad core
Socket type
LGA 1155
AM3
Is unlocked Yes Yes

features

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

integrated graphics

GPU GPU None
Label Intel® HD Graphics 3000 N/A
Latest DirectX 10.1 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A
3DMark06 5,275 N/A

details

Core i5 2500K  vs
Phenom II X4 Black 970 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Voltage range 1.2 - 1.5V 0.82 - 1.4V
Operating temperature 5 - 72.6°C Unknown - 62°C

overclocking

Overclock popularity 3,179 42
Overclocked clock speed 4.98 GHz 3.91 GHz
Overclocked clock speed (Water) 4.88 GHz 4.28 GHz
PassMark (Overclocked) 5,433.6 4,499
Overclocked clock speed (Air) 4.98 GHz 3.91 GHz

power consumption

TDP 95W 125W
Annual home energy cost 41.29 $/year 45.4 $/year
Annual commercial energy cost 110.03 $/year 139.11 $/year
Performance per watt 6.79 pt/W 1.1 pt/W
Idle power consumption 73.4W 66.9W
Peak power consumption 125.6W 158.8W
Typical power consumption 112.55W 135.82W
Intel Core i5 2500K
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AMD Phenom II X4 Black 970
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