CPUBoss Review Our evaluation of E2140 vs 3667U


Benchmark performance using all cores

Passmark and GeekBench

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?



Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Value

Intel Core i7 3667U 

CPUBoss recommends the Intel Core i7 3667U  based on its performance.

See full details

Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
Front view of Intel Core i7 3667U

Intel Core i7 3667U

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Pentium E2140

Reasons to consider the
Intel Pentium E2140

Report a correction
Much better performance per dollar 13.44 pt/$ vs 1.48 pt/$ More than 9x better performance per dollar
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Front view of Intel Core i7 3667U

Reasons to consider the
Intel Core i7 3667U

Report a correction
Newer manufacturing process 22 nms vs 65 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 2 GHz vs 1.6 GHz Around 25% higher clock speed
Much higher Maximum Operating Temperature 105 °C vs 61.4 °C More than 70% higher Maximum Operating Temperature
Significantly better PassMark (Single core) score 1,588 vs 583 Around 2.8x better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per watt 30.07 pt/W vs 2.87 pt/W Around 10.5x better performance per watt
Lower typical power consumption 13.81W vs 52.81W 3.8x lower typical power consumption
Marginally newer Jun, 2012 vs Apr, 2007 Release date over 5 years later
Better PassMark score 3,974 vs 872 More than 4.5x better PassMark score
Better geekbench (32-bit) score 4,798 vs 1,449 More than 3.2x better geekbench (32-bit) score
Lower annual commercial energy cost 14.89 $/year vs 56.94 $/year 3.8x lower annual commercial energy cost
Lower annual home energy cost 4.1 $/year vs 15.66 $/year 3.8x lower annual home energy cost

Benchmarks Real world tests of Pentium E2140 vs Core i7 3667U

Specifications Full list of technical specs


Pentium E2140  vs
Core i7 3667U 
Clock speed 1.6 GHz 2 GHz
Cores Dual core Dual core
Socket type
LGA 775
BGA 1023
Is hyperthreaded No Yes


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

power consumption

TDP 65W 17W
Annual home energy cost 15.66 $/year 4.1 $/year
Annual commercial energy cost 56.94 $/year 14.89 $/year
Performance per watt 2.87 pt/W 30.07 pt/W
Typical power consumption 52.81W 13.81W


Pentium E2140  vs
Core i7 3667U 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 65 nms 22 nms
Max CPUs 1 1
Clock multiplier 8 20
Operating temperature Unknown - 61.4°C Unknown - 105°C


Label N/A HD Graphics 4000
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,150 MHz
3DMark06 N/A 5,344.5


Architecture FSB DMI
Number of links 1 1
Intel Pentium E2140
Report a correction
Intel Core i7 3667U
Report a correction


comments powered by Disqus