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Differences What are the advantages of each

Front view of AMD Opteron 844

Reasons to consider the
AMD Opteron 844

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CPUBoss is not aware of any important advantages of the Opteron 844 vs the A10 7400P.

Front view of AMD A10 7400P

Reasons to consider the
AMD A10 7400P

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Much newer manufacturing process 28 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 2.5 GHz vs 1.8 GHz Around 40% higher clock speed
Much lower typical power consumption 28.44W vs 66.71W 2.3x lower typical power consumption
Newer May, 2014 vs Jun, 2003 Release date over 11 years later
Much higher Maximum operating temperature 102 °C vs 71 °C Around 45% higher Maximum operating temperature
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
Better overclocked clock speed (Air) 2.5 GHz vs 1.97 GHz More than 25% better overclocked clock speed (Air)
Much lower annual home energy cost 8.43 $/year vs 19.78 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 71.92 $/year 2.3x lower annual commercial energy cost
Better overclocked clock speed (Water) 2.5 GHz vs 1.8 GHz Around 40% better overclocked clock speed (Water)

Features Key features of the Opteron 844  vs A10 7400P 

clock speed

Opteron 844
1.8 GHz
A10 7400P
2.5 GHz

L2 cache

overclocked clock speed (air)

Opteron 844
1.97 GHz
A10 7400P
2.5 GHz

overclocked clock speed (water)

Opteron 844
1.8 GHz
A10 7400P
2.5 GHz

TDP

Specifications Full list of technical specs

summary

Opteron 844  vs
A10 7400P 
Clock speed 1.8 GHz 2.5 GHz
Cores Single core Quad core

features

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

details

Opteron 844  vs
A10 7400P 
Threads 1 4
L2 cache 1 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 130 nm 28 nm
Clock multiplier 9 25
Operating temperature 0 - 71°C Unknown - 102°C

overclocking

Overclocked clock speed 1.97 GHz 2.5 GHz
Overclocked clock speed (Water) 1.8 GHz 2.5 GHz
Overclocked clock speed (Air) 1.97 GHz 2.5 GHz

power consumption

TDP 82.1W 35W
Annual home energy cost 19.78 $/year 8.43 $/year
Annual commercial energy cost 71.92 $/year 30.66 $/year
Typical power consumption 66.71W 28.44W
AMD Opteron 844
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AMD A10 7400P
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