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Differences What are the advantages of each

Front view of AMD Phenom X3 8650

Reasons to consider the
AMD Phenom X3 8650

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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
Much more l3 cache 2 MB vs 0.5 MB 4x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Much more l2 cache per core 0.67 MB/core vs 0.5 MB/core Around 35% more l2 cache per core
Much more l3 cache per core 0.67 MB/core vs 0.25 MB/core Around 2.8x more l3 cache per core
Significantly better overclocked clock speed (Water) 3.09 GHz vs 2.7 GHz Around 15% better overclocked clock speed (Water)
Front view of AMD A4 3400

Reasons to consider the
AMD A4 3400

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Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better PassMark (Single core) score 903 vs 783 More than 15% better PassMark (Single core) score
Significantly higher clock speed 2.7 GHz vs 2.3 GHz More than 15% higher clock speed
Much better performance per watt 1.57 pt/W vs 1.03 pt/W Around 55% better performance per watt
Much better overclocked clock speed (Air) 3.5 GHz vs 2.83 GHz Around 25% 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 71.5 °C vs 70 °C Almost the same
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 Sep, 2011 vs Apr, 2008 Release date over 3 years later

Benchmarks Real world tests of Phenom X3 8650 vs A4 3400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A4 3400
2,511

GeekBench 3 (Single core) Data courtesy Primate Labs

A4 3400
1,367

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom X3 8650
88,400 MB/s
A4 3400
112,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

A4 3400
2,446

GeekBench

A4 3400
3,423

PassMark Data courtesy Passmark

A4 3400
1,595

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom X3 8650  vs
A4 3400 
Clock speed 2.3 GHz 2.7 GHz
Cores Tri core Dual core
Socket type
AM2+
FM1
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

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 1.03 pt/W 1.57 pt/W
Typical power consumption 77.19W 52.81W

details

Phenom X3 8650  vs
A4 3400 
Architecture x86-64 x86-64
Threads 3 2
L2 cache 2 MB 1 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 0.25 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 71.5°C

overclocking

Overclocked clock speed 2.83 GHz 3.5 GHz
Overclocked clock speed (Water) 3.09 GHz 2.7 GHz
PassMark (Overclocked) 726.1 1,356.5
Overclocked clock speed (Air) 2.83 GHz 3.5 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6410D
Latest DirectX N/A 11.0
GPU clock speed N/A 600 MHz
AMD Phenom X3 8650
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AMD A4 3400
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