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AMD Phenom II X4 905e

Front view of AMD Phenom II X4 905e
Front view of AMD Athlon II X4 605e

AMD Athlon II X4 605e

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Differences What are the advantages of each

Front view of AMD Phenom II X4 905e

Reasons to consider the
AMD Phenom II X4 905e

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Much more l3 cache 6 MB vs 0.5 MB 12x more l3 cache; more data can be stored in the l3 cache for quick access later
Much lower typical power consumption 52.81W vs 130.78W 2.5x lower typical power consumption
Much better performance per watt 1.17 pt/W vs 0.64 pt/W More than 80% better performance per watt
Much more l3 cache per core 1.5 MB/core vs 0.13 MB/core 12x more l3 cache per core
Higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
Much lower annual home energy cost 15.66 $/year vs 53.03 $/year 3.4x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 120.63 $/year 2.1x lower annual commercial energy cost
Better overclocked clock speed (Air) 3.41 GHz vs 3.36 GHz Almost the same
Better overclocked clock speed (Water) 2.5 GHz vs 2.3 GHz Around 10% better overclocked clock speed (Water)
Front view of AMD Athlon II X4 605e

Reasons to consider the
AMD Athlon II X4 605e

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Higher Maximum operating temperature 72 °C vs 70 °C Around 5% higher Maximum operating temperature

Benchmarks Real world tests of Phenom II X4 905e vs Athlon II X4 605e

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Phenom II X4 905e
3,038
Athlon II X4 605e
4,672

GeekBench 3 (Single core) Data courtesy Primate Labs

Phenom II X4 905e
897
Athlon II X4 605e
1,382

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X4 905e
66.3 MB/s
Athlon II X4 605e
105.8 MB/s

PassMark Data courtesy Passmark

Phenom II X4 905e
3,080
Athlon II X4 605e
2,739

PassMark (Single Core)

Phenom II X4 905e
882
Athlon II X4 605e
814

Specifications Full list of technical specs

summary

 Phenom II X4 905e  vs
Athlon II X4 605e 
Clock speed 2.5 GHz 2.3 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 53.03 $/year
Annual commercial energy cost 56.94 $/year 120.63 $/year
Performance per watt 1.17 pt/W 0.64 pt/W
Typical power consumption 52.81W 130.78W

bus
Clock speed 2,000 MHz 2,000 MHz

details

 Phenom II X4 905e  vs
Athlon II X4 605e 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 6 MB 0.5 MB
L3 cache per core 1.5 MB/core 0.13 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.82 - 1.25V 0.78 - 1.25V
Operating temperature Unknown - 70°C Unknown - 72°C

overclocking
Overclocked clock speed 3.41 GHz 3.36 GHz
Overclocked clock speed (Water) 2.5 GHz 2.3 GHz
Overclocked clock speed (Air) 3.41 GHz 3.36 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 905e
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AMD Athlon II X4 605e
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