CPUBoss Review Our evaluation of G620 vs E6400

Performance

Benchmark performance using all cores

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

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

overclock popularity

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Pentium G620 

CPUBoss recommends the Intel Pentium G620  based on its .

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VS

Intel Pentium G620

CPUBoss Winner
Front view of Intel Pentium G620

Differences What are the advantages of each

Front view of Intel Pentium G620

Reasons to consider the
Intel Pentium G620

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Newer manufacturing process 32 nms vs 65 nms 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
Higher clock speed 2.6 GHz vs 2.13 GHz More than 20% higher clock speed
Much better performance per dollar 5.98 pt/$ vs 2.16 pt/$ More than 2.8x better performance per dollar
Significantly better PassMark (Single core) score 1,310 vs 811 More than 60% better PassMark (Single core) score
Significantly higher Maximum Operating Temperature 69.1 °C vs 61.4 °C Around 15% higher Maximum Operating Temperature
Marginally newer Apr, 2011 vs Jul, 2006 Release date over 4 years later
Better PassMark score 2,267 vs 1,283 More than 75% better PassMark score
Better 3DMark11 physics score 2,440 vs 1,480 Around 65% better 3DMark11 physics score
Better geekbench (32-bit) score 3,199 vs 1,957 Around 65% better geekbench (32-bit) score
Better performance per watt 5.49 pt/W vs 3.66 pt/W Around 50% better performance per watt
Front view of Intel Core2 Duo E6400

Reasons to consider the
Intel Core2 Duo E6400

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More l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Lower typical power consumption 52.81W vs 70.8W More than 25% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 27.64 $/year Around 45% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 66.84 $/year Around 15% lower annual commercial energy cost

Benchmarks Real world tests of Pentium G620 vs Core2 Duo E6400

GeekBench

3D Mark 11 (Physics)

Pentium G620 Core2 Duo E6400 @ community.futuremark.com

Passmark

Benchmark Results: Cinebench can also test OpenGL performance and we were a bit shocked to see that the Intel Pentium Processor G620 performed as close as it did to the Intel Core i3-2120 processor.
Pentium G620 | by Legit Reviews (Aug, 2011)

Passmark (Single Core)

Specifications Full list of technical specs

summary

Pentium G620  vs
Core2 Duo E6400 
Clock speed 2.6 GHz 2.13 GHz
Cores Dual core Dual core
Socket type
LGA 1155
LGA 775
Is hyperthreaded No No

features

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

gpu

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A

bus

Architecture DMI FSB
Number of links 1 1

details

Pentium G620  vs
Core2 Duo E6400 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 32 nms 65 nms
Max CPUs 1 1
Clock multiplier 26 8
Operating temperature Unknown - 69.1°C Unknown - 61.4°C

overclocking

Overclock popularity 21 15

power consumption

TDP 65W 65W
Annual home energy cost 27.64 $/year 15.66 $/year
Annual commercial energy cost 66.84 $/year 56.94 $/year
Performance per watt 5.49 pt/W 3.66 pt/W
Typical power consumption 70.8W 52.81W
Intel Pentium G620
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Intel Core2 Duo E6400
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