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Differences What are the advantages of each

Front view of Intel Xeon E3-1268L v3

Reasons to consider the
Intel Xeon E3-1268L v3

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly lower typical power consumption 36.56W vs 65W Around 45% lower typical power consumption
More threads 8 vs 4 Twice as many threads
Slightly better geekbench 3 Multi-Core score 10,171 vs 9,734 Around 5% better geekbench 3 Multi-Core score
Significantly lower annual commercial energy cost 39.42 $/year vs 70.08 $/year Around 45% lower annual commercial energy cost
Significantly lower annual home energy cost 10.84 $/year vs 19.27 $/year Around 45% lower annual home energy cost
Front view of Intel Xeon E3-1220 v3

Reasons to consider the
Intel Xeon E3-1220 v3

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Much better geekbench 3 AES single core score 4,030,000 MB/s vs 3,875 MB/s 1040x better geekbench 3 AES single core score
Much better performance per dollar 11.89 pt/$ vs 0.57 pt/$ Around 21x better performance per dollar
Significantly higher clock speed 3.1 GHz vs 2.3 GHz Around 35% higher clock speed
Much better performance per watt 30.47 pt/W vs 4.75 pt/W Around 6.5x better performance per watt
Slightly higher turbo clock speed 3.5 GHz vs 3.3 GHz More than 5% higher turbo clock speed

Benchmarks Real world tests of Xeon E3-1268L v3 vs E3-1220 v3

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1268L v3
3,875 MB/s
Xeon E3-1220 v3
4,030,000 MB/s

Specifications Full list of technical specs

summary

Xeon E3-1268L v3  vs
E3-1220 v3 
Clock speed 2.3 GHz 3.1 GHz
Turbo clock speed 3.3 GHz 3.5 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 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

Xeon E3-1268L v3  vs
E3-1220 v3 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4600 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,000 MHz N/A

power consumption

TDP 45W 80W
Annual home energy cost 10.84 $/year 19.27 $/year
Annual commercial energy cost 39.42 $/year 70.08 $/year
Performance per watt 4.75 pt/W 30.47 pt/W
Typical power consumption 36.56W 65W

bus

Architecture DMI DMI
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Xeon E3-1268L v3
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Intel Xeon E3-1220 v3
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