CPUBoss Review Our evaluation of E5-2650 vs 6272 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

No winner declared

Too close to call

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VS

Intel Xeon E5-2650

CPUBoss Winner
Front view of Intel Xeon E5-2650

Differences What are the advantages of each

Front view of Intel Xeon E5-2650

Reasons to consider the
Intel Xeon E5-2650

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Much better performance per dollar 3.4 pt/$ vs 2.23 pt/$ More than 50% better performance per dollar
Much more l3 cache per core 2.5 MB/core vs 1 MB/core 2.5x more l3 cache per core
Much lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Significantly better PassMark score 10,262 vs 6,748 More than 50% better PassMark score
Significantly better PassMark (Single core) score 1,310 vs 695 Around 90% better PassMark (Single core) score
Newer Mar, 2012 vs Nov, 2011 Release date 3 months later
Much lower annual commercial energy cost 83.22 $/year vs 100.74 $/year More than 15% lower annual commercial energy cost
Much lower annual home energy cost 22.89 $/year vs 27.7 $/year More than 15% lower annual home energy cost
Better performance per watt 6.63 pt/W vs 6.12 pt/W Around 10% better performance per watt
Front view of AMD Opteron 6272

Reasons to consider the
AMD Opteron 6272

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More cores 16 vs 8 Twice as many cores; run more applications at once
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Higher turbo clock speed 3 GHz vs 2.8 GHz More than 5% higher turbo clock speed
Better overclocked clock speed (Air) 2.9 GHz vs 2.56 GHz Around 15% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.4 GHz vs 2 GHz Around 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2650 vs Opteron 6272

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2650
5,977
Opteron 6272
26,707

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2650
1,350,000 MB/s
Opteron 6272
1,350,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2650
19,887
Opteron 6272
9,635

GeekBench

Xeon E5-2650
25,599
Opteron 6272
9,635

PassMark Data courtesy Passmark

Xeon E5-2650
10,262
Opteron 6272
6,748

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2650  vs
Opteron 6272 
Clock speed 2 GHz 2.1 GHz
Turbo clock speed 2.8 GHz 3 GHz
Cores Octa core 16 core
Socket type
LGA 2011
G34

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES

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 6.63 pt/W 6.12 pt/W
Typical power consumption 77.19W 93.44W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800

details

Xeon E5-2650  vs
Opteron 6272 
Threads 16 16
L2 cache 2 MB 16 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 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 4
Clock multiplier 28 15
Operating temperature Unknown - 77.4°C Unknown - 55°C

overclocking

Overclock popularity 0 2
Overclocked clock speed 2.56 GHz 2.9 GHz
Overclocked clock speed (Water) 2 GHz 2.4 GHz
Overclocked clock speed (Air) 2.56 GHz 2.9 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 QPI HyperTransport 3.0
Number of links 2 4
Transfer rate 8,000 MT/s 6,400 MT/s
Clock speed 4,000 MHz 3,200 MHz
Intel Xeon E5-2650
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AMD Opteron 6272
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