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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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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
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Significantly better overclocked clock speed (Air) 4.05 GHz vs 3.8 GHz More than 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.22 GHz vs 3.8 GHz More than 10% better overclocked clock speed (Water)
Front view of AMD A4 6320

Reasons to consider the
AMD A4 6320

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly higher clock speed 3.9 GHz vs 3.4 GHz Around 15% higher clock speed
Much lower typical power consumption 52.81W vs 152.93W 2.9x lower typical power consumption
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 1.55 pt/W vs 1.08 pt/W Around 45% better performance per watt
Much higher Maximum operating temperature 70 °C vs 62 °C Around 15% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 54.06 $/year 3.5x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 152.42 $/year 2.7x lower annual commercial energy cost
Newer Dec, 2013 vs Nov, 2009 Release date over 4 years later

Benchmarks Real world tests of Phenom II X4 965 vs A4 6320

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 II X4 965
137,800 MB/s
A4 6320
2,250 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 965  vs
A4 6320 
Clock speed 3.4 GHz 3.9 GHz
Cores Quad core Dual core
Socket type
AM3
FM2
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 140W 65W
Annual home energy cost 54.06 $/year 15.66 $/year
Annual commercial energy cost 152.42 $/year 56.94 $/year
Performance per watt 1.08 pt/W 1.55 pt/W
Typical power consumption 152.93W 52.81W

details

Phenom II X4 965  vs
A4 6320 
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
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 62°C Unknown - 70°C

overclocking

Overclocked clock speed 4.05 GHz 3.8 GHz
Overclocked clock speed (Water) 4.22 GHz 3.8 GHz
Overclocked clock speed (Air) 4.05 GHz 3.8 GHz

integrated graphics

GPU None GPU
Label N/A Radeon HD 8000 series
Latest DirectX N/A 11.0
GPU clock speed N/A 760 MHz
AMD Phenom II X4 965
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AMD A4 6320
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