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Differences What are the advantages of each

Front view of Intel Celeron M 450

Reasons to consider the
Intel Celeron M 450

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Much lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
Much lower annual home energy cost 8.43 $/year vs 10.84 $/year More than 20% lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 39.42 $/year More than 20% lower annual commercial energy cost
Front view of AMD Sempron 145

Reasons to consider the
AMD Sempron 145

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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
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Benchmarks Real world tests of Celeron M 450 vs Sempron 145

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

Celeron M 450
92,100 MB/s
Sempron 145
111,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron M 450  vs
Sempron 145 
Clock speed 2.2 GHz 2.8 GHz
Cores Single core Single core
Socket type
M
AM3
478
LGA 775
Slot 1

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling No Yes

power consumption

TDP 35W 45W
Annual home energy cost 8.43 $/year 10.84 $/year
Annual commercial energy cost 30.66 $/year 39.42 $/year
Performance per watt 2.63 pt/W 2.06 pt/W
Typical power consumption 28.44W 36.56W

bus

Clock speed 800 MHz 2,000 MHz

details

Celeron M 450  vs
Sempron 145 
Architecture x86-64 x86-64
Threads 1 1
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Voltage range 1 - 1.34V 0.82 - 1.35V
Operating temperature Unknown - 60.4°C Unknown - 63°C

overclocking

Overclocked clock speed 3.57 GHz 4.05 GHz
Overclocked clock speed (Water) 3.12 GHz 4.28 GHz
PassMark (Overclocked) 1,248.8 1,763.8
Overclocked clock speed (Air) 3.57 GHz 4.05 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Celeron M 450
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AMD Sempron 145
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