CPUBoss Review Our evaluation of 740QM vs 4340 among all CPUs

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

8.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i3 4340 

CPUBoss recommends the Intel Core i3 4340  based on its performance, single-core performance and value.

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Front view of Intel Core i3 4340

Intel Core i3 4340

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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More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Slightly more l3 cache 6 MB vs 4 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Lower typical power consumption 36.56W vs 43.88W More than 15% lower typical power consumption
Lower annual commercial energy cost 39.42 $/year vs 47.3 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 10.84 $/year vs 13.01 $/year More than 15% lower annual home energy cost
Front view of Intel Core i3 4340

Reasons to consider the
Intel Core i3 4340

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Much higher clock speed 3.6 GHz vs 1.73 GHz More than 2x higher clock speed
Much better performance per dollar 6.04 pt/$ vs 0.36 pt/$ Around 17x better performance per dollar
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per watt 19.12 pt/W vs 3.01 pt/W More than 6.2x better performance per watt
Much better PassMark (Single core) score 2,085 vs 913 More than 2.2x better PassMark (Single core) score
Significantly better overclocked clock speed (Air) 3.73 GHz vs 2.74 GHz More than 35% better overclocked clock speed (Air)
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Newer Jul, 2013 vs Jun, 2010 Release date over 3 years later
Better PassMark score 5,232 vs 3,207 Around 65% better PassMark score
Much better overclocked clock speed (Water) 3.6 GHz vs 1.73 GHz More than 2x better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 740QM vs i3 4340

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 i3 4340
4,470,000 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
i3 4340 
Clock speed 1.73 GHz 3.6 GHz
Cores Quad core Dual core
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
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 54W
Annual home energy cost 10.84 $/year 13.01 $/year
Annual commercial energy cost 39.42 $/year 47.3 $/year
Performance per watt 3.01 pt/W 19.12 pt/W
Typical power consumption 36.56W 43.88W

bus

Architecture DMI DMI 2.0
Number of links 1 0
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i7 740QM  vs
i3 4340 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 4 MB
L3 cache per core 1.5 MB/core 2 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.74 GHz 3.73 GHz
Overclocked clock speed (Water) 1.73 GHz 3.6 GHz
PassMark (Overclocked) 1,607.8 4,161.4
Overclocked clock speed (Air) 2.74 GHz 3.73 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 8,192 MB 32,768 MB
Intel Core i7 740QM
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Intel Core i3 4340
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