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Differences What are the advantages of each

Front view of Intel Celeron G540

Reasons to consider the
Intel Celeron G540

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Much higher clock speed 2.5 GHz vs 1 GHz 2.5x higher clock speed
Much better performance per dollar 2.77 pt/$ vs 0.29 pt/$ More than 9.5x better performance per dollar
Significantly more l2 cache 1 MB vs 0.25 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher GPU clock speed 850 MHz vs 350 MHz Around 2.5x higher GPU clock speed
Significantly better turbo clock speed 1,000 MHz vs 800 MHz 25% better turbo clock speed
Significantly better PassMark (Single core) score 1,285 vs 407 Around 3.2x better PassMark (Single core) score
Much better overclocked clock speed (Air) 2.6 GHz vs 1 GHz More than 2.5x better overclocked clock speed (Air)
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better PassMark score 2,204 vs 369 Around 6x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 2.5 GHz vs 1 GHz 2.5x better overclocked clock speed (Water)
Front view of Intel Celeron 807UE

Reasons to consider the
Intel Celeron 807UE

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Much lower typical power consumption 8.13W vs 52.81W 6.5x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 69.1 °C Around 45% higher Maximum operating temperature
Much lower annual home energy cost 2.41 $/year vs 15.66 $/year 6.5x lower annual home energy cost
Much lower annual commercial energy cost 8.76 $/year vs 56.94 $/year 6.5x lower annual commercial energy cost
Better performance per watt 3.04 pt/W vs 1.96 pt/W Around 55% better performance per watt
Newer Oct, 2011 vs Jul, 2011 Release date 3 months later

Benchmarks Real world tests of Celeron G540 vs 807UE

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron G540  vs
807UE 
Clock speed 2.5 GHz 1 GHz
Cores Dual core Single core
Socket type
LGA 1155
BGA 1023

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 10W
Annual home energy cost 15.66 $/year 2.41 $/year
Annual commercial energy cost 56.94 $/year 8.76 $/year
Performance per watt 1.96 pt/W 3.04 pt/W
Typical power consumption 52.81W 8.13W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Celeron G540  vs
807UE 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 1 MB 0.25 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 2 MB 1 MB
L3 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 25 10
Operating temperature Unknown - 69.1°C Unknown - 100°C

overclocking

Overclocked clock speed 2.6 GHz 1 GHz
Overclocked clock speed (Water) 2.5 GHz 1 GHz
Overclocked clock speed (Air) 2.6 GHz 1 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
GPU clock speed 850 MHz 350 MHz
Turbo clock speed 1,000 MHz 800 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Single Channel
Maximum bandwidth 17,066.66 MB/s 10,666.66 MB/s
Maximum memory size 32,768 MB 4,997.12 MB
Intel Celeron G540
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Intel Celeron 807UE
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