CPUBoss Review Our evaluation of 740QM vs 2430M among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 2430M 

CPUBoss recommends the Intel Core i5 2430M  based on its performance, single-core performance, power consumption and value.

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VS
Front view of Intel Core i5 2430M

Intel Core i5 2430M

CPUBoss Winner

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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Much 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 geekbench 2 (64-bit) score 5,129 vs 4,873 More than 5% better geekbench 2 (64-bit) 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
Significantly higher clock speed 2.4 GHz vs 1.73 GHz Around 40% higher clock speed
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 10.85 pt/$ vs 0.47 pt/$ Around 23.2x better performance per dollar
Slightly higher turbo clock speed 3 GHz vs 2.93 GHz Almost the same
Lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
Better geekbench 3 AES single core score 1,850,000 MB/s vs 110,600 MB/s Around 16.8x better geekbench 3 AES single core score
Supports more RAM 16,384 MB vs 8,192 MB Supports 2x more RAM
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Oct, 2011 vs Jun, 2010 Release date over 1 years later
Better performance per watt 18.58 pt/W vs 3.56 pt/W Around 5.2x better performance per watt
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

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 740QM
110,600 MB/s
Core i5 2430M
1,850,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

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

features

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

power consumption

TDP 45W 35W
Annual home energy cost 10.84 $/year 8.43 $/year
Performance per watt 3.56 pt/W 18.58 pt/W
Typical power consumption 36.56W 28.44W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

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 nm 32 nm
Max CPUs 1 1
Clock multiplier 13 24

overclocking

Overclock popularity 18 14
Overclocked clock speed 2.75 GHz 2.76 GHz
Overclocked clock speed (Water) 1.73 GHz 2.4 GHz
PassMark (Overclocked) 1,607.8 1,656.4
Overclocked clock speed (Air) 2.75 GHz 2.76 GHz

integrated graphics

GPU None GPU
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
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 8,192 MB 16,384 MB
Intel Core i7 740QM
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Intel Core i5 2430M
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