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Differences What are the advantages of each

Front view of Intel Xeon E3-1284L v3

Reasons to consider the
Intel Xeon E3-1284L v3

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Much higher GPU clock speed 750 MHz vs 350 MHz Around 2.2x higher GPU clock speed
Significantly lower typical power consumption 38.19W vs 68.25W Around 45% lower typical power consumption
Significantly lower annual commercial energy cost 41.17 $/year vs 73.58 $/year Around 45% lower annual commercial energy cost
Significantly lower annual home energy cost 11.32 $/year vs 20.24 $/year Around 45% lower annual home energy cost
Newer Oct, 2014 vs Apr, 2013 Release date over 1 years later
Front view of Intel Xeon E3-1245 v3

Reasons to consider the
Intel Xeon E3-1245 v3

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Much higher clock speed 3.4 GHz vs 1.8 GHz Around 90% higher clock speed
Significantly higher turbo clock speed 3.8 GHz vs 3.2 GHz Around 20% higher turbo clock speed
Much better turbo clock speed 1,200 MHz vs 1,000 MHz 20% better turbo clock speed
More l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core

Benchmarks Real world tests of Xeon E3-1284L v3 vs E3-1245 v3

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Xeon E3-1284L v3
25.27 mHash/s
Xeon E3-1245 v3
7.65 mHash/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Xeon E3-1284L v3
286.92 fps
Xeon E3-1245 v3
268.02 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Xeon E3-1284L v3
0.67 fps
Xeon E3-1245 v3
1.29 fps

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Xeon E3-1284L v3
15.65 fps
Xeon E3-1245 v3
10.05 fps

Specifications Full list of technical specs

summary

Xeon E3-1284L v3  vs
E3-1245 v3 
Clock speed 1.8 GHz 3.4 GHz
Turbo clock speed 3.2 GHz 3.8 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

Xeon E3-1284L v3  vs
E3-1245 v3 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 8 MB
L3 cache per core 1.5 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics P5200 Intel® HD Graphics P4600
Number of displays supported 3 3
GPU clock speed 750 MHz 350 MHz
Turbo clock speed 1,000 MHz 1,200 MHz

power consumption

TDP 47W 84W
Annual home energy cost 11.32 $/year 20.24 $/year
Annual commercial energy cost 41.17 $/year 73.58 $/year
Performance per watt 5.55 pt/W 13.95 pt/W
Typical power consumption 38.19W 68.25W

bus

Architecture DMI 2.0 DMI
Number of links 1 0
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Xeon E3-1284L v3
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Intel Xeon E3-1245 v3
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