Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of AMD Opteron 6278

Reasons to consider the
AMD Opteron 6278

Report a correction
Much more l2 cache 16 MB vs 8 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 15.63 MB vs 8 MB More than 95% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 16 vs 8 Twice as many threads
Significantly better overclocked clock speed (Air) 3.3 GHz vs 3 GHz Around 10% better overclocked clock speed (Air)
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Significantly better overclocked clock speed (Water) 3.3 GHz vs 3 GHz Around 10% better overclocked clock speed (Water)
Newer Jun, 2012 vs Nov, 2011 Release date 6 months later
Front view of AMD Opteron 4284

Reasons to consider the
AMD Opteron 4284

Report a correction
Much higher clock speed 3 GHz vs 2.4 GHz More than 25% higher clock speed
Significantly higher turbo clock speed 3.7 GHz vs 3.3 GHz More than 10% higher turbo clock speed
Lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Lower annual commercial energy cost 83.22 $/year vs 100.74 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 27.7 $/year More than 15% lower annual home energy cost

Features Key features of the Opteron 6278  vs 4284 

clock speed

Opteron 6278
2.4 GHz
Opteron 4284
3 GHz

turbo clock speed

Opteron 6278
3.3 GHz
Opteron 4284
3.7 GHz

L2 cache

L3 cache

Opteron 6278
15.63 MB

overclocked clock speed (air)

Opteron 6278
3.3 GHz
Opteron 4284
3 GHz

overclocked clock speed (water)

Opteron 6278
3.3 GHz
Opteron 4284
3 GHz

Specifications Full list of technical specs

summary

Opteron 6278  vs
4284 
Clock speed 2.4 GHz 3 GHz
Turbo clock speed 3.3 GHz 3.7 GHz
Cores 16 core Octa core
Socket type
G34
C32
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
Supplemental SSE3
AES

power consumption

TDP 115W 95W
Annual home energy cost 27.7 $/year 22.89 $/year
Annual commercial energy cost 100.74 $/year 83.22 $/year
Typical power consumption 93.44W 77.19W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3

details

Opteron 6278  vs
4284 
Threads 16 8
L2 cache 16 MB 8 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 15.63 MB 8 MB
L3 cache per core 0.98 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 2
Clock multiplier 12 18
Operating temperature Unknown - 69°C Unknown - 70.5°C

overclocking

Overclocked clock speed 3.3 GHz 3 GHz
Overclocked clock speed (Water) 3.3 GHz 3 GHz
Overclocked clock speed (Air) 3.3 GHz 3 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

Architecture HyperTransport 3.0 HyperTransport 3.0
Number of links 4 2
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz
AMD Opteron 6278
Report a correction
AMD Opteron 4284
Report a correction

Comments

comments powered by Disqus