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Differences What are the advantages of each

Front view of Intel Core i5 750S

Reasons to consider the
Intel Core i5 750S

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CPUBoss is not aware of any important advantages of the 750S vs the 2500K.

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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Core i5 750S vs 2500K

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 750S
96.4 MB/s
Core i5 2500K
2,530,000 MB/s

Cinebench R11.5

Cinebench R11.5 (Single Core)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 750S  vs
2500K 
Clock speed 2.4 GHz 3.3 GHz
Turbo clock speed 3.2 GHz 3.7 GHz
Cores Quad core Quad core
Socket type
LGA 1156
LGA 1155
Is unlocked No 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 82W 95W
Annual home energy cost 19.75 $/year 41.29 $/year
Annual commercial energy cost 71.83 $/year 110.03 $/year
Performance per watt 1.17 pt/W 6.79 pt/W
Typical power consumption 66.63W 112.55W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 32,768 MB

details

Core i5 750S  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 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 32 nm
Transistor count 774,000,000 1,160,000,000
Max CPUs 1 1
Clock multiplier 18 33
Voltage range 0.65 - 1.4V 1.2 - 1.5V
Operating temperature Unknown - 76.7°C 5 - 72.6°C

overclocking

Overclock popularity 19 3,179
Overclocked clock speed 3.88 GHz 4.98 GHz
Overclocked clock speed (Water) 2.4 GHz 4.88 GHz
Overclocked clock speed (Air) 3.88 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

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s
Intel Core i5 750S
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Intel Core i5 2500K
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