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Differences What are the advantages of each

Front view of AMD Phenom II X4 910e

Reasons to consider the
AMD Phenom II X4 910e

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Much more l2 cache 2 MB vs 0 MB Compared to all cpus, 2 MB l2 cache is just OK
Much more l3 cache 6 MB vs 0 MB Compared to all cpus, 6 MB l3 cache is just OK
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
Much more l2 cache per core 0.5 MB/core vs 0 MB/core Compared to all cpus, 0.5 MB/core l2 cache per core is just OK
Front view of AMD Athlon II X4 620e

Reasons to consider the
AMD Athlon II X4 620e

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Higher clock speed 2.7 GHz vs 2.6 GHz Around 5% higher clock speed
Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Newer May, 2011 vs Jan, 2010 Release date over 1 years later

Benchmarks Real world tests of Phenom II X4 910e vs Athlon II X4 620e

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Phenom II X4 910e  vs
Athlon II X4 620e 
Clock speed 2.6 GHz 2.7 GHz
Cores Quad core Quad core
Socket type
AM3
Is unlocked No 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 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Performance per watt 1.99 pt/W 2.64 pt/W
Typical power consumption 52.81W 36.56W

details

Phenom II X4 910e  vs
Athlon II X4 620e 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 0 MB
L2 cache per core 0.5 MB/core 0 MB/core
L3 cache 6 MB 0 MB
L3 cache per core 1.5 MB/core 0 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.6 GHz 2.6 GHz
Overclocked clock speed (Water) 2.6 GHz 2.6 GHz
Overclocked clock speed (Air) 2.6 GHz 2.6 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

bus

Clock speed 2,000 MHz 2,000 MHz
AMD Phenom II X4 910e
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AMD Athlon II X4 620e
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