CPUBoss Review Our evaluation of E5-2670 vs 2376 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

5.4

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-2670 

CPUBoss recommends the Intel Xeon E5-2670  based on its 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 more l3 cache 20 MB vs 6 MB More than 3.2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much higher clock speed 2.6 GHz vs 2.3 GHz Around 15% higher clock speed
Much better PassMark score 12,270 vs 2,283 More than 5.2x better PassMark score
More threads 16 vs 4 12 more threads
More cores 8 vs 4 Twice as many cores; run more applications at once
Much better performance per watt 7.31 pt/W vs 1.24 pt/W Around 6x better performance per watt
Much better overclocked clock speed (Air) 3.13 GHz vs 2.3 GHz More than 35% better overclocked clock speed (Air)
Much higher Maximum operating temperature 80 °C vs 55 °C More than 45% higher Maximum operating temperature
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 2.5 MB/core vs 1.5 MB/core More than 65% more l3 cache per core
Much better overclocked clock speed (Water) 3.08 GHz vs 2.3 GHz Around 35% better overclocked clock speed (Water)
Newer Mar, 2012 vs Nov, 2008 Release date over 3 years later
Front view of AMD Opteron 2376

Reasons to consider the
AMD Opteron 2376

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Significantly lower typical power consumption 60.94W vs 93.44W Around 35% lower typical power consumption
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Significantly lower annual commercial energy cost 65.7 $/year vs 100.74 $/year Around 35% lower annual commercial energy cost
Significantly lower annual home energy cost 18.07 $/year vs 27.7 $/year Around 35% lower annual home energy cost

Benchmarks Real world tests of Xeon E5-2670 vs Opteron 2376

PassMark Data courtesy Passmark

Xeon E5-2670
12,270
Opteron 2376
2,283

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
Opteron 2376 
Clock speed 2.6 GHz 2.3 GHz
Cores Octa core Quad core
Socket type
LGA 2011
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 115W 75W
Annual home energy cost 27.7 $/year 18.07 $/year
Annual commercial energy cost 100.74 $/year 65.7 $/year
Performance per watt 7.31 pt/W 1.24 pt/W
Typical power consumption 93.44W 60.94W

bus

Clock speed 4,000 MHz 2,000 MHz

details

Xeon E5-2670  vs
Opteron 2376 
Threads 16 4
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 20 MB 6 MB
L3 cache per core 2.5 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 2
Clock multiplier 33 11
Voltage range 0.6 - 1.35V 1.3 - UnknownV
Operating temperature Unknown - 80°C 0 - 55°C

overclocking

Overclocked clock speed 3.13 GHz 2.3 GHz
Overclocked clock speed (Water) 3.08 GHz 2.3 GHz
Overclocked clock speed (Air) 3.13 GHz 2.3 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
Intel Xeon E5-2670
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AMD Opteron 2376
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