CPUBoss Review Our evaluation of E2140 vs 2620M


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

No winner declared

Too close to call

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!

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 14.67 pt/$ vs 3.57 pt/$ More than 4x better performance per dollar
Front view of Intel Core i7 2620M

Reasons to consider the
Intel Core i7 2620M

Report a correction
Significantly higher clock speed 2.7 GHz vs 1.6 GHz Around 70% higher clock speed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much newer manufacturing process 32 nm vs 65 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 3DMark11 physics score 5,450 vs 1,070 More than 5x better 3DMark11 physics score
Much higher Maximum operating temperature 100 °C vs 61.4 °C Around 65% higher Maximum operating temperature
Significantly better PassMark (Single core) score 1,565 vs 585 Around 2.8x better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Newer Feb, 2011 vs Apr, 2007 Release date over 3 years later
Better PassMark score 3,842 vs 878 Around 4.5x better PassMark score
Better geekbench (32-bit) score 5,057 vs 1,447 Around 3.5x better geekbench (32-bit) score
Better performance per watt 17.4 pt/W vs 2.8 pt/W Around 6.2x better performance per watt
Lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost

Benchmarks Real world tests of Pentium E2140 vs Core i7 2620M

GeekBench (32-bit) Data courtesy Primate Labs


3D Mark 11 (Physics)

PassMark Data courtesy PassMark

PassMark (Single Core) Data courtesy PassMark

Specifications Full list of technical specs


Pentium E2140  vs
Core i7 2620M 
Clock speed 1.6 GHz 2.7 GHz
Cores Dual core Dual core
Socket type
LGA 775
rPGA 988B


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


Architecture FSB DMI
Number of links 1 1


Pentium E2140  vs
Core i7 2620M 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 1
Clock multiplier 8 27
Operating temperature Unknown - 61.4°C Unknown - 100°C

integrated graphics

Label N/A HD 3000
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,300 MHz

power consumption

TDP 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Performance per watt 2.8 pt/W 17.4 pt/W
Typical power consumption 52.81W 28.44W
Intel Pentium E2140
Report a correction
Intel Core i7 2620M
Report a correction


comments powered by Disqus