CPUBoss Review Our evaluation of 145 vs 140

Performance

Benchmark performance using all cores
Sempron 145
5.3
Sempron 140
5.3
Passmark

Single-core Performance

Individual core benchmark performance
Sempron 145
7.0
Sempron 140
6.9
Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?
Sempron 145
6.2
Sempron 140
6.0
Passmark (Overclocked), Unlocked, Maximum Overclocked Clock Speed (Air) and 2 more

Value

Are you paying a premium for performance?
Sempron 145
N/A
Sempron 140
N/A
Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value
Sempron 145
6.0
Sempron 140
6.0

Winner
AMD Sempron 145 

CPUBoss recommends the AMD Sempron 145  based on its .

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VS

AMD Sempron 145

CPUBoss Winner
 Front view of AMD Sempron 145
Front view of AMD Sempron 140

AMD Sempron 140

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Differences What are the advantages of each

Front view of AMD Sempron 145

Reasons to consider the
AMD Sempron 145

Report a correction
Better overclocked clock speed (Air) 4.07 GHz vs 3.68 GHz More than 10% better overclocked clock speed (Air)
Marginally newer May, 2010 vs Jul, 2009 Release date 9 months later
Better overclocked clock speed (Water) 4.39 GHz vs 3.92 GHz More than 10% better overclocked clock speed (Water)
Front view of AMD Sempron 140

Reasons to consider the
AMD Sempron 140

Report a correction
More l3 cache 1 MB vs 0 MB Compared to all cpus, 1 MB l3 cache is just OK
Much more l3 cache per core 1 MB/core vs 0 MB/core Compared to all cpus, 1 MB/core l3 cache per core is just OK

Benchmarks Real world tests of Sempron 145 vs 140

Passmark

Sempron 145
808
Sempron 140
726
cpubenchmark.net

Passmark (Single Core)

Sempron 145
884
Sempron 140
838
cpubenchmark.net

Reviews Word on the street

Sempron 145  vs 140 
7.6
read review
6.6
read review
Its low power consumption (45-85w with both cores) make it a nice upgrade to an older system running an AM2+ socket, or a budget home PC build with low-cost parts.
Sempron 145

Specifications Full list of technical specs

summary

 Sempron 145  vs
140 
Clock speed 2.8 GHz 2.7 GHz
Cores Single core Single core
Socket type
AM3
Is unlocked No No
Is hyperthreaded No No

features
Has a NX bit Yes Yes
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE3
SSE2
SSE4a
3DNow!
Supports dynamic frequency scaling Yes Yes

gpu
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

bus
Clock speed 2,000 MHz 2,000 MHz

details

 Sempron 145  vs
140 
Architecture x86-64 x86-64
Threads 1 1
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 0 MB 1 MB
L3 cache per core 0 MB/core 1 MB/core
Manufacture process 45 nms 45 nms
Max CPUs 1 1
Voltage range 0.83 - 1.35V 0.83 - 1.35V
Operating temperature Unknown - 63°C Unknown - 63°C

overclocking
Overclock popularity 9 5
Overclocked clock speed 4.07 GHz 3.68 GHz
Overclocked clock speed (Water) 4.39 GHz 3.92 GHz
PassMark (Overclocked) 1,763.8 1,557.8
Overclocked clock speed (Air) 4.07 GHz 3.68 GHz

power consumption
TDP 45W 45W
Annual home energy cost 10.84 $/year 10.84 $/year
Annual commercial energy cost 39.42 $/year 39.42 $/year
Performance per watt 4.45 pt/W 4.25 pt/W
Typical power consumption 36.56W 36.56W
AMD Sempron 145
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AMD Sempron 140
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