CPUBoss Review Our evaluation of E5-2670 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 E5-2670 

CPUBoss recommends the Intel Xeon E5-2670  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Much better performance per dollar 5.43 pt/$ vs 2.24 pt/$ Around 2.5x better performance per dollar
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
Higher clock speed 2.6 GHz vs 2.1 GHz Around 25% higher clock speed
Higher turbo clock speed 3.3 GHz vs 3 GHz Around 10% higher turbo clock speed
Much better PassMark score 16,619 vs 6,748 Around 2.5x better PassMark score
Much higher Maximum operating temperature 80 °C vs 55 °C More than 45% higher Maximum operating temperature
Much better PassMark (Single core) score 1,699 vs 695 Around 2.5x better PassMark (Single core) score
Much more l3 cache per core 2.5 MB/core vs 1 MB/core 2.5x more l3 cache per core
Significantly better performance per watt 7.65 pt/W vs 6.12 pt/W Around 25% better performance per watt
Better overclocked clock speed (Air) 3.15 GHz vs 2.9 GHz Around 10% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.13 GHz vs 2.4 GHz More than 30% better overclocked clock speed (Water)
Newer Mar, 2012 vs Nov, 2011 Release date 3 months later
Front view of AMD Opteron 6272

Reasons to consider the
AMD Opteron 6272

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Much more l2 cache 16 MB vs 2 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 16 vs 8 Twice as many cores; run more applications at once
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration

Benchmarks Real world tests of Xeon E5-2670 vs Opteron 6272

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2670
14,255
Opteron 6272
26,707

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2670
1,740,000 MB/s
Opteron 6272
1,350,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2670
22,189
Opteron 6272
9,635

GeekBench

Xeon E5-2670
22,189
Opteron 6272
9,635

PassMark Data courtesy Passmark

Xeon E5-2670
16,619
Opteron 6272
6,748

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
Opteron 6272 
Clock speed 2.6 GHz 2.1 GHz
Turbo clock speed 3.3 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 115W 115W
Annual home energy cost 27.7 $/year 27.7 $/year
Annual commercial energy cost 100.74 $/year 100.74 $/year
Performance per watt 7.65 pt/W 6.12 pt/W
Typical power consumption 93.44W 93.44W

memory controller

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

details

Xeon E5-2670  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 33 15
Operating temperature Unknown - 80°C Unknown - 55°C

overclocking

Overclock popularity 3 2
Overclocked clock speed 3.15 GHz 2.9 GHz
Overclocked clock speed (Water) 3.13 GHz 2.4 GHz
Overclocked clock speed (Air) 3.15 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 E5-2670
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AMD Opteron 6272
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