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Differences What are the advantages of each

Front view of Intel Xeon E3-1285L v4

Reasons to consider the
Intel Xeon E3-1285L v4

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Much higher clock speed 3.4 GHz vs 2.3 GHz Around 50% higher clock speed
Significantly higher turbo clock speed 3.8 GHz vs 3.3 GHz More than 15% higher turbo clock speed
Much better overclocked clock speed (Air) 3.4 GHz vs 2.3 GHz Around 50% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.4 GHz vs 2.3 GHz Around 50% better overclocked clock speed (Water)
Front view of Intel Xeon E3-1265L v4

Reasons to consider the
Intel Xeon E3-1265L v4

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Much better performance per dollar 1.25 pt/$ vs 1.02 pt/$ Around 25% better performance per dollar
Significantly lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost

Benchmarks Real world tests of Xeon E3-1285L v4 vs E3-1265L v4

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Xeon E3-1285L v4
68.76 mHash/s
Xeon E3-1265L v4
62.69 mHash/s

CompuBench 1.5 (Face detection)

Xeon E3-1285L v4
31.28 mPixels/s
Xeon E3-1265L v4
29.92 mPixels/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Xeon E3-1285L v4
429.64 fps
Xeon E3-1265L v4
442.58 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Xeon E3-1285L v4
26.11 fps
Xeon E3-1265L v4
25.79 fps

Specifications Full list of technical specs

summary

Xeon E3-1285L v4  vs
E3-1265L v4 
Clock speed 3.4 GHz 2.3 GHz
Turbo clock speed 3.8 GHz 3.3 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 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Performance per watt 6.96 pt/W 14.84 pt/W
Typical power consumption 52.81W 28.44W

bus

Architecture DMI DMI
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1285L v4  vs
E3-1265L v4 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.4 GHz 2.3 GHz
Overclocked clock speed (Water) 3.4 GHz 2.3 GHz
Overclocked clock speed (Air) 3.4 GHz 2.3 GHz

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics P6300 Intel® Iris™ Pro Graphics P6300
Number of displays supported 3 3
GPU clock speed 300 MHz 300 MHz
Turbo clock speed 1,150 MHz 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Xeon E3-1285L v4
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Intel Xeon E3-1265L v4
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