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Differences What are the advantages of each

Front view of AMD Sempron 145

Reasons to consider the
AMD Sempron 145

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Higher clock speed 2.8 GHz vs 2.5 GHz More than 10% higher clock speed
Much better overclocked clock speed (Air) 4.05 GHz vs 3.32 GHz More than 20% better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Much better overclocked clock speed (Water) 4.28 GHz vs 2.5 GHz More than 70% better overclocked clock speed (Water)
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Front view of AMD A4 3300

Reasons to consider the
AMD A4 3300

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Much more l3 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 MB l3 cache is just OK
Much better PassMark score 1,508 vs 800 Around 90% better PassMark score
Much better geekbench 2 (32-bit) score 2,289 vs 1,332 More than 70% better geekbench 2 (32-bit) score
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much more l3 cache per core 0.25 MB/core vs 0 MB/core Compared to all cpus, 0.25 MB/core l3 cache per core is just OK
Newer Sep, 2011 vs May, 2010 Release date over 1 years later

Benchmarks Real world tests of Sempron 145 vs A4 3300

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Sempron 145
1,405
A4 3300
2,415

GeekBench 3 (Single core) Data courtesy Primate Labs

Sempron 145
1,409
A4 3300
1,297

GeekBench 3 (AES single core) Data courtesy Primate Labs

Sempron 145
111,900 MB/s
A4 3300
104,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Sempron 145
1,332
A4 3300
2,289

GeekBench

Sempron 145
1,332
A4 3300
4,150

PassMark Data courtesy Passmark

A4 3300
1,508

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 145  vs
A4 3300 
Clock speed 2.8 GHz 2.5 GHz
Cores Single core Dual core
Socket type
AM3
FM1
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 65W
Annual home energy cost 10.84 $/year 15.66 $/year
Annual commercial energy cost 39.42 $/year 56.94 $/year
Performance per watt 2.06 pt/W 1.34 pt/W
Typical power consumption 36.56W 52.81W

details

Sempron 145  vs
A4 3300 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 0 MB 0.5 MB
L3 cache per core 0 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Voltage range 0.82 - 1.35V 0.91 - 1.41V

overclocking

Overclock popularity 9 3
Overclocked clock speed 4.05 GHz 3.32 GHz
Overclocked clock speed (Water) 4.28 GHz 2.5 GHz
Overclocked clock speed (Air) 4.05 GHz 3.32 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
AMD Sempron 145
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AMD A4 3300
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