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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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Much better performance per watt 2.06 pt/W vs 0.94 pt/W Around 2.2x better performance per watt
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual home energy cost 10.84 $/year vs 54.4 $/year 5x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 165.56 $/year 4.2x lower annual commercial energy cost
Better overclocked clock speed (Air) 4.05 GHz vs 3.95 GHz Around 5% better overclocked clock speed (Air)
Higher Maximum operating temperature 63 °C vs 62 °C Almost the same
Better overclocked clock speed (Water) 4.28 GHz vs 4.02 GHz More than 5% better overclocked clock speed (Water)
Front view of AMD Phenom II X6 1055T

Reasons to consider the
AMD Phenom II X6 1055T

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Much more l3 cache 6 MB vs 0 MB Compared to all cpus, 6 MB l3 cache is just OK
Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 6 vs 1 5 more cores; run more applications at once
More threads 6 vs 1 5 more threads
Much better PassMark score 5,004 vs 800 More than 6.2x better PassMark score
Much better geekbench 2 (32-bit) score 7,222 vs 1,332 Around 5.5x better geekbench 2 (32-bit) score
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 Phenom II X6 1055T

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

Sempron 145
111,900 MB/s
Phenom II X6 1055T
133,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Sempron 145  vs
Phenom II X6 1055T 
Clock speed 2.8 GHz 2.8 GHz
Cores Single core Hexa core
Socket type
AM3
Is unlocked No No

features

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

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

details

Sempron 145  vs
Phenom II X6 1055T 
Architecture x86-64 x86-64
Threads 1 6
L2 cache 1 MB 3 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 0 MB 6 MB
L3 cache per core 0 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.82 - 1.35V 1.13 - 1.4V
Operating temperature Unknown - 63°C Unknown - 62°C

overclocking

Overclock popularity 9 227
Overclocked clock speed 4.05 GHz 3.95 GHz
Overclocked clock speed (Water) 4.28 GHz 4.02 GHz
PassMark (Overclocked) 1,763.8 2,085.8
Overclocked clock speed (Air) 4.05 GHz 3.95 GHz

power consumption

TDP 45W 125W
Annual home energy cost 10.84 $/year 54.4 $/year
Annual commercial energy cost 39.42 $/year 165.56 $/year
Performance per watt 2.06 pt/W 0.94 pt/W
Typical power consumption 36.56W N/A

bus

Clock speed 2,000 MHz 2,000 MHz
AMD Sempron 145
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AMD Phenom II X6 1055T
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