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Differences What are the advantages of each

Front view of Intel Pentium 1405

Reasons to consider the
Intel Pentium 1405

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Much more l3 cache per core 2.5 MB/core vs 1 MB/core 2.5x more l3 cache per core
Significantly lower typical power consumption 32.5W vs 52.81W Around 40% lower typical power consumption
More l3 cache 5 MB vs 2 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Supports more RAM 384,000 MB vs 32,768 MB Supports around 11.8x more RAM
Significantly lower annual home energy cost 9.64 $/year vs 15.66 $/year Around 40% lower annual home energy cost
Significantly lower annual commercial energy cost 35.04 $/year vs 56.94 $/year Around 40% lower annual commercial energy cost
Front view of Intel Celeron G550

Reasons to consider the
Intel Celeron G550

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Much higher clock speed 2.6 GHz vs 1.2 GHz Around 2.2x higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly better overclocked clock speed (Air) 2.75 GHz vs 1.8 GHz Around 55% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.6 GHz vs 1.8 GHz Around 45% better overclocked clock speed (Water)
Newer Jun, 2012 vs Apr, 2012 Release date 2 months later

Features Key features of the Pentium 1405  vs Celeron G550 

clock speed

Pentium 1405
1.2 GHz
Celeron G550
2.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Pentium 1405
1.8 GHz
Celeron G550
2.75 GHz

overclocked clock speed (water)

Pentium 1405
1.8 GHz
Celeron G550
2.6 GHz

Specifications Full list of technical specs

summary

Pentium 1405  vs
Celeron G550 
Clock speed 1.2 GHz 2.6 GHz
Cores Dual core Dual core

features

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

power consumption

TDP 40W 65W
Annual home energy cost 9.64 $/year 15.66 $/year
Annual commercial energy cost 35.04 $/year 56.94 $/year
Typical power consumption 32.5W 52.81W

bus

Architecture QPI DMI
Number of links 1 1
Transfer rate 0 MT/s 5,000 MT/s

details

Pentium 1405  vs
Celeron G550 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 5 MB 2 MB
L3 cache per core 2.5 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.8 GHz 2.75 GHz
Overclocked clock speed (Water) 1.8 GHz 2.6 GHz
Overclocked clock speed (Air) 1.8 GHz 2.75 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 17,066.66 MB/s 17,066.66 MB/s
Maximum memory size 384,000 MB 32,768 MB
Intel Pentium 1405
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Intel Celeron G550
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