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Differences What are the advantages of each

Front view of AMD Phenom X3 8750

Reasons to consider the
AMD Phenom X3 8750

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More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Front view of AMD Athlon II X2 B26

Reasons to consider the
AMD Athlon II X2 B26

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Much higher clock speed 3.2 GHz vs 2.4 GHz Around 35% higher clock speed
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4 GHz vs 2.98 GHz Around 35% better overclocked clock speed (Air)
Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Higher Maximum operating temperature 74 °C vs 71 °C Around 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.2 GHz vs 2.4 GHz Around 35% better overclocked clock speed (Water)
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Newer May, 2010 vs Apr, 2008 Release date over 2 years later

Benchmarks Real world tests of Phenom X3 8750 vs Athlon II X2 B26

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

Phenom X3 8750
89,050 MB/s
Athlon II X2 B26
129.4 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom X3 8750  vs
Athlon II X2 B26 
Clock speed 2.4 GHz 3.2 GHz
Cores Tri core Dual core

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

bus

Clock speed 1,800 MHz 2,000 MHz

details

Phenom X3 8750  vs
Athlon II X2 B26 
Threads 3 2
L2 cache 2 MB 2 MB
L2 cache per core 0.67 MB/core 1 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 71°C Unknown - 74°C

overclocking

Overclocked clock speed 2.98 GHz 4 GHz
Overclocked clock speed (Water) 2.4 GHz 3.2 GHz
Overclocked clock speed (Air) 2.98 GHz 4 GHz

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Performance per watt 1.26 pt/W 1.25 pt/W
Typical power consumption 77.19W 52.81W
AMD Phenom X3 8750
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AMD Athlon II X2 B26
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