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Differences What are the advantages of each

Front view of AMD Opteron 2379 HE

Reasons to consider the
AMD Opteron 2379 HE

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Significantly higher clock speed 2.4 GHz vs 1.3 GHz Around 85% higher clock speed
Significantly 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
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
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much more l3 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l3 cache per core
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Front view of AMD E 300

Reasons to consider the
AMD E 300

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly lower typical power consumption 14.63W vs 44.69W 3.1x lower typical power consumption
Newer manufacturing process 40 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher Maximum operating temperature 90 °C vs 55 °C Around 65% higher Maximum operating temperature
Newer Aug, 2011 vs Apr, 2009 Release date over 2 years later
Significantly lower annual home energy cost 4.34 $/year vs 13.25 $/year 3.1x lower annual home energy cost
Significantly lower annual commercial energy cost 15.77 $/year vs 48.18 $/year 3.1x lower annual commercial energy cost

Features Key features of the Opteron 2379 HE  vs E 300 

clock speed

Opteron 2379 HE
2.4 GHz
E 300
1.3 GHz

L2 cache

L3 cache

E 300
0.5 MB

TDP

Specifications Full list of technical specs

summary

Opteron 2379 HE  vs
E 300 
Clock speed 2.4 GHz 1.3 GHz
Cores Quad core Dual core
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!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Opteron 2379 HE  vs
E 300 
Threads 4 2
L2 cache 2 MB 1 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 0.25 MB/core
Manufacture process 45 nm 40 nm
Max CPUs 2 1
Clock multiplier 12 5
Operating temperature 0 - 55°C Unknown - 90°C

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6310
Latest DirectX N/A 11.0
GPU clock speed N/A 488 MHz

power consumption

TDP 55W 18W
Annual home energy cost 13.25 $/year 4.34 $/year
Annual commercial energy cost 48.18 $/year 15.77 $/year
Typical power consumption 44.69W 14.63W
AMD Opteron 2379 HE
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AMD E 300
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