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Differences What are the advantages of each

Front view of Intel Core2 Duo E6300

Reasons to consider the
Intel Core2 Duo E6300

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Significantly 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
Higher clock speed 1.86 GHz vs 1.4 GHz Around 35% higher clock speed
Much better overclocked clock speed (Air) 3.19 GHz vs 1.4 GHz More than 2.2x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Water) 3.45 GHz vs 1.4 GHz Around 2.5x better overclocked clock speed (Water)
Front view of Intel Core i5 4350U

Reasons to consider the
Intel Core i5 4350U

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Much newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better geekbench 2 (32-bit) score 4,515 vs 1,696 Around 2.8x better geekbench 2 (32-bit) score
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 12.19W vs 52.81W 4.3x lower typical power consumption
Much better performance per watt 8.56 pt/W vs 1.18 pt/W More than 7.2x better performance per watt
Much higher Maximum operating temperature 100 °C vs 61.4 °C Around 65% higher Maximum operating temperature
Significantly better geekbench 3 Multi-Core score 4,884 vs 1,796 Around 2.8x better geekbench 3 Multi-Core score
Significantly better PassMark (Single core) score 1,522 vs 694 Around 2.2x better PassMark (Single core) score
Newer Jul, 2013 vs Jul, 2006 Release date over 7 years later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More threads 4 vs 2 Twice as many threads
Much lower annual home energy cost 3.61 $/year vs 15.66 $/year 4.3x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 56.94 $/year 4.3x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E6300 vs Core i5 4350U

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

Core2 Duo E6300
79,500 MB/s
Core i5 4350U
3,360 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E6300  vs
Core i5 4350U 
Clock speed 1.86 GHz 1.4 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
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 65W 15W
Annual home energy cost 15.66 $/year 3.61 $/year
Annual commercial energy cost 56.94 $/year 13.14 $/year
Performance per watt 1.18 pt/W 8.56 pt/W
Typical power consumption 52.81W 12.19W

details

Core2 Duo E6300  vs
Core i5 4350U 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 61.4°C Unknown - 100°C

overclocking

Overclocked clock speed 3.19 GHz 1.4 GHz
Overclocked clock speed (Water) 3.45 GHz 1.4 GHz
Overclocked clock speed (Air) 3.19 GHz 1.4 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 5000
Number of displays supported N/A 3
GPU clock speed N/A 200 MHz
Turbo clock speed N/A 1,100 MHz

bus

Architecture FSB DMI 2.0
Number of links 1 1
Intel Core2 Duo E6300
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Intel Core i5 4350U
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