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Intel Core i5 2550K

Front view of Intel Core i5 2550K
Front view of Intel Core i5 2500K

Intel Core i5 2500K

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Differences What are the advantages of each

Front view of Intel Core i5 2550K

Reasons to consider the
Intel Core i5 2550K

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CPUBoss is not aware of any important advantages of the 2550K vs the 2500K.
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

Benchmarks Real world tests of Core i5 2550K vs 2500K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 2550K
9,714
Core i5 2500K
9,382

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 2550K
3,101
Core i5 2500K
2,994

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 2550K
2,640,000 MB/s
Core i5 2500K
2,530,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 2550K
10,555
Core i5 2500K
10,319

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 2550K
11,863
Core i5 2500K
11,186

GeekBench

Core i5 2550K
13,047
Core i5 2500K
13,624

PassMark Data courtesy Passmark

Core i5 2550K
6,694
Core i5 2500K
6,383

PassMark (Single Core)

Core i5 2550K
1,954
Core i5 2500K
1,863

Specifications Full list of technical specs

summary

 Core i5 2550K  vs
2500K 
Clock speed 3.4 GHz 3.3 GHz
Turbo clock speed 3.8 GHz 3.7 GHz
Cores Quad core Quad core
Socket type
LGA 1155
Is unlocked Yes Yes

features
Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 95W 95W
Annual home energy cost 22.89 $/year 41.29 $/year
Annual commercial energy cost 83.22 $/year 110.03 $/year
Performance per watt 11.5 pt/W 6.79 pt/W
Typical power consumption 77.19W 112.55W

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

details

 Core i5 2550K  vs
2500K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 34 33
Operating temperature Unknown - 72.6°C 5 - 72.6°C

overclocking
Overclock popularity 44 3,179
Overclocked clock speed 5.03 GHz 4.98 GHz
Overclocked clock speed (Water) 4.77 GHz 4.88 GHz
Overclocked clock speed (Air) 5.03 GHz 4.98 GHz

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

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i5 2550K
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Intel Core i5 2500K
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