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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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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
More l2 cache 2 MB vs 1.5 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 77.19W vs 113.2W More than 30% lower typical power consumption
More l3 cache per core 0.67 MB/core vs 0.17 MB/core 4x more l3 cache per core
Much lower annual home energy cost 22.89 $/year vs 39.59 $/year More than 40% lower annual home energy cost
More l2 cache per core 0.67 MB/core vs 0.5 MB/core Around 35% more l2 cache per core
Significantly lower annual commercial energy cost 83.22 $/year vs 113.44 $/year More than 25% lower annual commercial energy cost
Front view of AMD Athlon II X3 450

Reasons to consider the
AMD Athlon II X3 450

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Significantly 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
Significantly better overclocked clock speed (Air) 3.86 GHz vs 2.98 GHz Around 30% better overclocked clock speed (Air)
Better geekbench 3 single core score 1,632 vs 1,136 Around 45% better geekbench 3 single core score
Better geekbench 3 Multi-Core score 4,354 vs 3,210 More than 35% better geekbench 3 Multi-Core score
Newer Sep, 2010 vs Apr, 2008 Release date over 2 years later
Higher Maximum operating temperature 75 °C vs 71 °C More than 5% higher Maximum operating temperature
Better overclocked clock speed (Water) 3.1 GHz vs 2.4 GHz Around 30% better overclocked clock speed (Water)

Benchmarks Real world tests of Phenom X3 8750 vs Athlon II X3 450

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 X3 450
128,950 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Cinebench R10 32-Bit

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Phenom X3 8750  vs
Athlon II X3 450 
Clock speed 2.4 GHz 3.2 GHz
Cores Tri core Tri core
Socket type
AM2+
AM3
Super 7
Is unlocked Yes 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

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 39.59 $/year
Annual commercial energy cost 83.22 $/year 113.44 $/year
Performance per watt 1.26 pt/W 1.07 pt/W
Typical power consumption 77.19W 113.2W

bus

Clock speed 1,800 MHz 100 MHz

details

Phenom X3 8750  vs
Athlon II X3 450 
Architecture x86-64 x86-64
Threads 3 3
L2 cache 2 MB 1.5 MB
L2 cache per core 0.67 MB/core 0.5 MB/core
L3 cache 2 MB 0.5 MB
L3 cache per core 0.67 MB/core 0.17 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Voltage range 1.05 - 1.25V 0.85 - 1.4V
Operating temperature Unknown - 71°C Unknown - 75°C

overclocking

Overclocked clock speed 2.98 GHz 3.86 GHz
Overclocked clock speed (Water) 2.4 GHz 3.1 GHz
Overclocked clock speed (Air) 2.98 GHz 3.86 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 Phenom X3 8750
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AMD Athlon II X3 450
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