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Differences What are the advantages of each

Front view of AMD Phenom II X4 965

Reasons to consider the
AMD Phenom II X4 965

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.4 GHz vs 2.2 GHz Around 55% higher clock speed
Much better geekbench 2 (32-bit) score 5,974 vs 1,494 Around 4x better geekbench 2 (32-bit) score
Significantly 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 newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache 6 MB vs 0 MB Compared to all cpus, 6 MB l3 cache is just OK
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 4.05 GHz vs 1.76 GHz More than 2.2x better overclocked clock speed (Air)
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
Significantly better PassMark (Single core) score 1,361 vs 655 More than 2x better PassMark (Single core) score
Significantly better PassMark score 5,916 vs 1,311 More than 4.5x better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Nov, 2009 vs May, 2006 Release date over 3 years later
Much better overclocked clock speed (Water) 4.22 GHz vs 1.6 GHz Around 2.8x better overclocked clock speed (Water)
More threads 4 vs 2 Twice as many threads
Front view of AMD Turion 64 X2 64

Reasons to consider the
AMD Turion 64 X2 64

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Much lower typical power consumption 28.44W vs 152.93W 5.4x lower typical power consumption
Much higher Maximum operating temperature 95 °C vs 62 °C Around 55% higher Maximum operating temperature
Much lower annual home energy cost 8.43 $/year vs 54.06 $/year 6.4x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 152.42 $/year 5x lower annual commercial energy cost
Better performance per watt 1.82 pt/W vs 1.08 pt/W Around 70% better performance per watt

Benchmarks Real world tests of Phenom II X4 965 vs Turion 64 X2 64

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

x264 HD 4.0

Phenom II X4 965
66.59 fps
Turion 64 X2 64
8.76 fps

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Phenom II X4 965  vs
Turion 64 X2 64 
Clock speed 3.4 GHz 2.2 GHz
Turbo clock speed 0 GHz 0 GHz
Cores Quad core Dual core
Socket type
AM3
S1
AM2
Is unlocked Yes No

features

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

power consumption

TDP 140W 35W
Annual home energy cost 54.06 $/year 8.43 $/year
Annual commercial energy cost 152.42 $/year 30.66 $/year
Performance per watt 1.08 pt/W 1.82 pt/W
Typical power consumption 152.93W 28.44W

details

Phenom II X4 965  vs
Turion 64 X2 64 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 6 MB 0 MB
L3 cache per core 1.5 MB/core 0 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 62°C Unknown - 95°C

overclocking

Overclocked clock speed 4.05 GHz 1.76 GHz
Overclocked clock speed (Water) 4.22 GHz 1.6 GHz
Overclocked clock speed (Air) 4.05 GHz 1.76 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 II X4 965
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AMD Turion 64 X2 64
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