CPUBoss Review Our evaluation of 740QM vs 2430M


Benchmark performance using all cores

GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Cinebench R11.5 (1-core), Cinebench R10 32-bit (1-core) and 2 more

Power Consumption

How much power does the processor require?



How does CPUBoss rank the features of each product?

Features and specifications that differ between products

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Features

Intel Core i7 740QM 

CPUBoss recommends the Intel Core i7 740QM  based on its .

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Intel Core i7 740QM

CPUBoss Winner
Front view of Intel Core i7 740QM

Differences What are the advantages of each

Front view of Intel Core i7 740QM

Reasons to consider the
Intel Core i7 740QM

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Significantly more l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
More cores 4 vs 2 Twice as many cores; run more applications at once
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better performance per dollar 5.9 pt/$ vs 3.71 pt/$ Around 60% better performance per dollar
Better 3DMark11 physics score 3,450 vs 2,610 More than 30% better 3DMark11 physics score
Front view of Intel Core i5 2430M

Reasons to consider the
Intel Core i5 2430M

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Newer manufacturing process 32 nms vs 45 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 2.4 GHz vs 1.73 GHz Around 40% higher clock speed
Lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Supports more RAM 16,384 MB vs 8,192 MB Supports 2x more RAM
Newer Oct, 2011 vs Jun, 2010 Release date over 1 years later
Significantly better overclocked clock speed (Water) 2.4 GHz vs 1.73 GHz Around 40% better overclocked clock speed (Water)
Lower annual home energy cost 8.43 $/year vs 10.84 $/year More than 20% lower annual home energy cost

Benchmarks Real world tests of Core i7 740QM vs i5 2430M


3D Mark 11 (Physics)

Core i7 740QM Core i5 2430M @ community.futuremark.com

Specifications Full list of technical specs


Core i7 740QM  vs
i5 2430M 
Clock speed 1.73 GHz 2.4 GHz
Turbo clock speed 2.93 GHz 3 GHz
Cores Quad core Dual core
Socket type
rPGA 988A
rPGA 988B
Is unlocked No No
Is hyperthreaded Yes Yes


Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes


Label N/A HD Graphics 3000
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 8,192 MB 16,384 MB


Core i7 740QM  vs
i5 2430M 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 45 nms 32 nms
Max CPUs 1 1
Clock multiplier 13 24


Overclock popularity 18 14
Overclocked clock speed 2.77 GHz 2.77 GHz
Overclocked clock speed (Water) 1.73 GHz 2.4 GHz
PassMark (Overclocked) 1,607.8 1,656.4
Overclocked clock speed (Air) 2.77 GHz 2.77 GHz

power consumption

TDP 45W 35W
Annual home energy cost 10.84 $/year 8.43 $/year
Performance per watt 10.48 pt/W 12.49 pt/W
Typical power consumption 36.56W 28.44W


Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s
Intel Core i7 740QM
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Intel Core i5 2430M
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