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Differences What are the advantages of each

Front view of Intel Core i7 2630QM

Reasons to consider the
Intel Core i7 2630QM

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Much lower typical power consumption 36.56W vs 112.55W 3.1x lower typical power consumption
Much better performance per watt 13.97 pt/W vs 6.79 pt/W More than 2x better performance per watt
Much higher Maximum operating temperature 100 °C vs 72.6 °C Around 40% higher Maximum operating temperature
Much lower annual home energy cost 10.84 $/year vs 41.29 $/year 3.8x lower annual home energy cost
More threads 8 vs 4 Twice as many threads
Much lower annual commercial energy cost 39.42 $/year vs 110.03 $/year 2.8x lower annual commercial energy cost
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
Much higher clock speed 3.3 GHz vs 2 GHz Around 65% higher clock speed
Higher turbo clock speed 3.7 GHz vs 2.9 GHz Around 30% higher turbo clock speed
Much better performance per dollar 4.1 pt/$ vs 1.66 pt/$ Around 2.5x better performance per dollar
Much better overclocked clock speed (Air) 4.98 GHz vs 2.64 GHz Around 90% better overclocked clock speed (Air)
Significantly higher GPU clock speed 850 MHz vs 650 MHz More than 30% higher GPU clock speed
Better PassMark (Single core) score 1,863 vs 1,315 More than 40% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.88 GHz vs 2 GHz Around 2.5x better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 2630QM vs i5 2500K

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

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 i7 2630QM
1,700,000 MB/s
Core i5 2500K
2,530,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Core i7 2630QM  vs
i5 2500K 
Clock speed 2 GHz 3.3 GHz
Turbo clock speed 2.9 GHz 3.7 GHz
Cores Quad core Quad core
Socket type
rPGA 988B
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 45W 95W
Annual home energy cost 10.84 $/year 41.29 $/year
Annual commercial energy cost 39.42 $/year 110.03 $/year
Performance per watt 13.97 pt/W 6.79 pt/W
Typical power consumption 36.56W 112.55W

bus

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

details

Core i7 2630QM  vs
i5 2500K 
Architecture x86-64 x86-64
Threads 8 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 20 33
Operating temperature Unknown - 100°C 5 - 72.6°C

overclocking

Overclock popularity 76 3,179
Overclock review score 5 5
Overclocked clock speed 2.64 GHz 4.98 GHz
Overclocked clock speed (Water) 2 GHz 4.88 GHz
PassMark (Overclocked) 1,380.4 5,433.6
Overclocked clock speed (Air) 2.64 GHz 4.98 GHz

integrated graphics

GPU GPU GPU
Label HD Graphics 3000 Intel® HD Graphics 3000
Number of displays supported 2 2
GPU clock speed 650 MHz 850 MHz
Turbo clock speed 1,100 MHz 1,100 MHz

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 16,384 MB 32,768 MB
Intel Core i7 2630QM
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Intel Core i5 2500K
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