CPUBoss Review Our evaluation of 2650 v2 vs 6348 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.5

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5 2650 v2 

CPUBoss recommends the Intel Xeon E5 2650 v2  based on its cost to run.

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Differences What are the advantages of each

Front view of Intel Xeon E5 2650 v2

Reasons to consider the
Intel Xeon E5 2650 v2

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Much more l3 cache 20 MB vs 16 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 8.85 pt/W vs 1.08 pt/W Around 8.2x better performance per watt
More threads 16 vs 12 4 more threads
Much more l3 cache per core 2.5 MB/core vs 1.33 MB/core Around 90% more l3 cache per core
Lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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
Front view of AMD Opteron 6348

Reasons to consider the
AMD Opteron 6348

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Much more l2 cache 12 MB vs 2 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.8 GHz vs 2.6 GHz Around 10% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Air) 3.4 GHz vs 2.93 GHz More than 15% better overclocked clock speed (Air)
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration

Benchmarks Real world tests of Xeon E5 2650 v2 vs Opteron 6348

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5 2650 v2
1,800,000 MB/s
Opteron 6348
1,670 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2650 v2  vs
Opteron 6348 
Clock speed 2.6 GHz 2.8 GHz
Turbo clock speed 3.4 GHz 3.4 GHz
Cores Octa core Duodeca core
Socket type
LGA 2011
G34
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 115W
Annual home energy cost 22.89 $/year 27.7 $/year
Annual commercial energy cost 83.22 $/year 100.74 $/year
Performance per watt 8.85 pt/W 1.08 pt/W
Typical power consumption 77.19W 93.44W

bus

Architecture QPI HyperTransport 3.0
Transfer rate 8,000 MT/s 6,400 MT/s
Clock speed 4,000 MHz 3,200 MHz

details

Xeon E5 2650 v2  vs
Opteron 6348 
Threads 16 12
L2 cache 2 MB 12 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 20 MB 16 MB
L3 cache per core 2.5 MB/core 1.33 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 4
Clock multiplier 26 17
Operating temperature Unknown - 75°C Unknown - 70.4°C

overclocking

Overclocked clock speed 2.93 GHz 3.4 GHz
Overclocked clock speed (Water) 3.41 GHz 3.4 GHz
Overclocked clock speed (Air) 2.93 GHz 3.4 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 59,733.32 MB/s 25,600 MB/s
Intel Xeon E5 2650 v2
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AMD Opteron 6348
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