CPUBoss Review Our evaluation of E3-1280 vs E3-1260L v5 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

6

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E3-1260L v5 

CPUBoss recommends the Intel Xeon E3-1260L v5  based on its performance, power consumption and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E3-1280

Reasons to consider the
Intel Xeon E3-1280

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Higher clock speed 3.5 GHz vs 2.9 GHz More than 20% higher clock speed
Front view of Intel Xeon E3-1260L v5

Reasons to consider the
Intel Xeon E3-1260L v5

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 36.56W vs 77.19W 2.1x lower typical power consumption
Much better performance per dollar 1.11 pt/$ vs 0.41 pt/$ Around 2.8x better performance per dollar
Significantly better performance per watt 7.23 pt/W vs 2.77 pt/W More than 2.5x better performance per watt
Newer Oct, 2015 vs Apr, 2011 Release date over 4 years later
Much lower annual home energy cost 10.84 $/year vs 22.89 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 83.22 $/year 2.1x lower annual commercial energy cost
Better overclocked clock speed (Air) 3.9 GHz vs 3.6 GHz Around 10% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 3.9 GHz vs 3.6 GHz Around 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1280 vs E3-1260L v5

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1280  vs
E3-1260L v5 
Clock speed 3.5 GHz 2.9 GHz
Turbo clock speed 3.9 GHz 3.9 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 45W
Annual home energy cost 22.89 $/year 10.84 $/year
Annual commercial energy cost 83.22 $/year 39.42 $/year
Performance per watt 2.77 pt/W 7.23 pt/W
Typical power consumption 77.19W 36.56W

bus

Architecture DMI FSB
Number of links 1 1
Transfer rate 5,000 MT/s 8,000 MT/s

details

Xeon E3-1280  vs
E3-1260L v5 
Architecture x86-64 x86-64
Threads 8 8
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.6 GHz 3.9 GHz
Overclocked clock speed (Water) 3.6 GHz 3.9 GHz
Overclocked clock speed (Air) 3.6 GHz 3.9 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
DDR3L-1333
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 65,536 MB
Intel Xeon E3-1280
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Intel Xeon E3-1260L v5
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