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Differences What are the advantages of each

Front view of Intel Pentium E5800

Reasons to consider the
Intel Pentium E5800

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Much more l2 cache 2 MB vs 0.25 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.2 GHz vs 1.6 GHz 2x higher clock speed
Much better overclocked clock speed (Air) 4.17 GHz vs 1.67 GHz Around 2.5x better overclocked clock speed (Air)
Much better PassMark score 1,910 vs 698 Around 2.8x better PassMark score
Much better PassMark (Single core) score 1,314 vs 750 More than 75% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,619 vs 1,101 Around 2.5x better geekbench 2 (32-bit) score
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much higher Maximum operating temperature 74.1 °C vs 65.5 °C Around 15% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.34 GHz vs 1.6 GHz Around 2.8x better overclocked clock speed (Water)
Front view of Intel Celeron G440

Reasons to consider the
Intel Celeron G440

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Newer Jul, 2011 vs Nov, 2010 Release date 7 months later

Benchmarks Real world tests of Pentium E5800 vs Celeron G440

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

Celeron G440
1,142.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium E5800
134,800 MB/s
Celeron G440
78.85 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium E5800  vs
Celeron G440 
Clock speed 3.2 GHz 1.6 GHz
Cores Dual core Single core
Socket type
LGA 775
LGA 1155

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 No

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 2.02 pt/W 1.31 pt/W
Typical power consumption 52.81W 28.44W

details

Pentium E5800  vs
Celeron G440 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 2 MB 0.25 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 16 16
Operating temperature Unknown - 74.1°C Unknown - 65.5°C

overclocking

Overclocked clock speed 4.17 GHz 1.67 GHz
Overclocked clock speed (Water) 4.34 GHz 1.6 GHz
Overclocked clock speed (Air) 4.17 GHz 1.67 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,000 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Pentium E5800
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Intel Celeron G440
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