CPUBoss Review Our evaluation of X5650 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

5.5

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon X5650 

CPUBoss recommends the Intel Xeon X5650  based on its performance, single-core performance and cost to run.

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VS

Differences What are the advantages of each

Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

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Much better performance per dollar 25.13 pt/$ vs 2.24 pt/$ Around 11.2x better performance per dollar
Higher clock speed 2.66 GHz vs 2.1 GHz More than 25% higher clock speed
Much more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Much higher Maximum operating temperature 81.3 °C vs 55 °C Around 50% higher Maximum operating temperature
Much lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Significantly better PassMark (Single core) score 1,234 vs 695 Around 80% better PassMark (Single core) score
Significantly better overclocked clock speed (Air) 3.87 GHz vs 2.9 GHz Around 35% better overclocked clock speed (Air)
Significantly better performance per watt 7.91 pt/W vs 6.13 pt/W Around 30% better performance per watt
Much better overclocked clock speed (Water) 4.69 GHz vs 2.4 GHz More than 95% better overclocked clock speed (Water)
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 PassMark score 7,510 vs 6,748 More than 10% better PassMark score
Front view of AMD Opteron 6272

Reasons to consider the
AMD Opteron 6272

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More cores 16 vs 6 10 more cores; run more applications at once
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Nov, 2011 vs Mar, 2010 Release date over 1 years later
More threads 16 vs 12 4 more threads

Benchmarks Real world tests of Xeon X5650 vs Opteron 6272

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5650
22,313
Opteron 6272
26,707

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5650
2,176
Opteron 6272
1,255

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5650
1,470,000 MB/s
Opteron 6272
1,350,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5650
13,247
Opteron 6272
9,635

GeekBench

Xeon X5650
14,009
Opteron 6272
9,635

PassMark Data courtesy Passmark

Xeon X5650
7,510
Opteron 6272
6,748

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5650  vs
Opteron 6272 
Clock speed 2.66 GHz 2.1 GHz
Turbo clock speed 3.06 GHz 3 GHz
Cores Hexa core 16 core
Socket type
LGA 1366
G34

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
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 7.91 pt/W 6.13 pt/W
Typical power consumption 77.19W 93.44W

memory controller

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

details

Xeon X5650  vs
Opteron 6272 
Threads 12 16
L2 cache 2 MB 16 MB
L2 cache per core 0.33 MB/core 1 MB/core
L3 cache 12 MB 16 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 4
Clock multiplier 20 15
Operating temperature Unknown - 81.3°C Unknown - 55°C

overclocking

Overclock popularity 11 2
Overclocked clock speed 3.87 GHz 2.9 GHz
Overclocked clock speed (Water) 4.69 GHz 2.4 GHz
Overclocked clock speed (Air) 3.87 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 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz
Intel Xeon X5650
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AMD Opteron 6272
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