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Differences What are the advantages of each

Front view of AMD Sempron 1250

Reasons to consider the
AMD Sempron 1250

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Much lower typical power consumption 36.56W vs 77.19W 2.1x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly higher Maximum operating temperature 75 °C vs 70 °C More than 5% higher Maximum operating temperature
Much lower annual commercial energy cost 39.42 $/year vs 83.22 $/year 2.1x lower annual commercial energy cost
Much lower annual home energy cost 10.84 $/year vs 22.89 $/year 2.1x lower annual home energy cost
Front view of AMD Phenom II X4 945 95W

Reasons to consider the
AMD Phenom II X4 945 95W

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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 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 2.2 GHz More than 35% higher clock speed
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
Much better PassMark score 3,690 vs 540 More than 6.8x better PassMark score
Much better PassMark (Single core) score 1,039 vs 600 Around 75% better PassMark (Single core) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 1.5 MB/core vs 0 MB/core Compared to all cpus, 1.5 MB/core l3 cache per core is just OK
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 3.68 GHz vs 3.01 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.81 GHz vs 2.74 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Sempron 1250 vs Phenom II X4 945 95W

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 1250
57,250 MB/s
Phenom II X4 945 95W
120,900 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 1250  vs
Phenom II X4 945 95W 
Clock speed 2.2 GHz 3 GHz
Cores Single core Quad core
Socket type
AM2
AM3
Is unlocked No No

features

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

power consumption

TDP 45W 95W
Annual home energy cost 10.84 $/year 22.89 $/year
Annual commercial energy cost 39.42 $/year 83.22 $/year
Performance per watt 1.21 pt/W 1.57 pt/W
Typical power consumption 36.56W 77.19W

bus

Clock speed 333 MHz 2,000 MHz

details

Sempron 1250  vs
Phenom II X4 945 95W 
Architecture x86-64 x86-64
Threads 1 4
L2 cache 1 MB 2 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 1.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 75°C 55 - 70°C

overclocking

Overclock popularity 0 34
Overclocked clock speed 3.01 GHz 3.68 GHz
Overclocked clock speed (Water) 2.74 GHz 3.81 GHz
Overclocked clock speed (Air) 3.01 GHz 3.68 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 1250
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AMD Phenom II X4 945 95W
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