CPUBoss Review Our evaluation of G620 vs E6400 among desktop CPUs (45 to 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

6.8

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium G620 

CPUBoss recommends the Intel Pentium G620  based on its performance and single-core performance.

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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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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
Higher clock speed 2.6 GHz vs 2.13 GHz More than 20% higher clock speed
Newer Apr, 2011 vs Jul, 2006 Release date over 4 years later
Significantly higher Maximum operating temperature 69.1 °C vs 61.4 °C Around 15% higher Maximum operating temperature
Better geekbench 3 single core score 1,794 vs 1,133 Around 60% better geekbench 3 single core score
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
Lower typical power consumption 52.81W vs 70.8W More than 25% lower typical power consumption
Significantly more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
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 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G620
128,700 MB/s
Core2 Duo E6400
91,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

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

features

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

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 3.26 pt/W 2.38 pt/W
Typical power consumption 70.8W 52.81W

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 nm 65 nm
Max CPUs 1 1
Clock multiplier 26 8
Operating temperature Unknown - 69.1°C Unknown - 61.4°C

overclocking

Overclock popularity 21 15

integrated graphics

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
Intel Pentium G620
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Intel Core2 Duo E6400
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