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Front view of Intel Core i7 6700

Intel Core i7 6700

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5-2630 v3

Reasons to consider the
Intel Xeon E5-2630 v3

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly more l3 cache 20 MB vs 8 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Supports more RAM 786,432 MB vs 65,536 MB Supports 12x more RAM
More threads 16 vs 8 Twice as many threads
Better PassMark score 12,838 vs 10,038 Around 30% better PassMark score
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Front view of Intel Core i7 6700

Reasons to consider the
Intel Core i7 6700

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Significantly higher clock speed 3.4 GHz vs 2.4 GHz More than 40% higher clock speed
Higher turbo clock speed 4 GHz vs 3.2 GHz Around 25% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 52.81W vs 69.06W Around 25% lower typical power consumption
Much better performance per dollar 0.87 pt/$ vs 0.44 pt/$ Around 2x better performance per dollar
Significantly better overclocked clock speed (Air) 3.98 GHz vs 2.75 GHz Around 45% better overclocked clock speed (Air)
Better PassMark (Single core) score 2,159 vs 1,756 Around 25% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.18 GHz vs 2.4 GHz Around 75% better overclocked clock speed (Water)
Newer Jul, 2015 vs Jul, 2014 Release date a year later
Lower annual home energy cost 15.66 $/year vs 20.48 $/year Around 25% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 74.46 $/year Around 25% lower annual commercial energy cost

Benchmarks Real world tests of Xeon E5-2630 v3 vs Core i7 6700

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Xeon E5-2630 v3  vs
Core i7 6700 
Clock speed 2.4 GHz 3.4 GHz
Turbo clock speed 3.2 GHz 4 GHz
Cores Octa core Quad core
Is unlocked Yes No


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 85W 65W
Annual home energy cost 20.48 $/year 15.66 $/year
Annual commercial energy cost 74.46 $/year 56.94 $/year
Performance per watt 3.52 pt/W 4.09 pt/W
Typical power consumption 69.06W 52.81W


Architecture QPI FSB
Number of links 2 1
Transfer rate 8,000 MT/s 8,000 MT/s


Xeon E5-2630 v3  vs
Core i7 6700 
Architecture x86-64 x86-64
Threads 16 8
L3 cache 20 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 1
Operating temperature Unknown - 72.1°C Unknown - 71°C


Overclocked clock speed 2.75 GHz 3.98 GHz
Overclocked clock speed (Water) 2.4 GHz 4.18 GHz
Overclocked clock speed (Air) 2.75 GHz 3.98 GHz

integrated graphics

Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 6,400 MB/s 25,600 MB/s
Maximum memory size 786,432 MB 65,536 MB
Intel Xeon E5-2630 v3
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Intel Core i7 6700
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