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Differences What are the advantages of each

Front view of Intel Core i7 5500U

Reasons to consider the
Intel Core i7 5500U

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Significantly higher clock speed 2.4 GHz vs 1.5 GHz 60% higher clock speed
More advanced architecture x86-64 vs ARM A 64-bit architecture allows more RAM to be installed and accessed by the processor
Newer manufacturing process 14 nm vs 20 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better geekbench 3 single core score 2,743 vs 1,818 More than 50% better geekbench 3 single core score
Much better overclocked clock speed (Air) 2.92 GHz vs 1.49 GHz More than 95% better overclocked clock speed (Air)
Better geekbench 3 Multi-Core score 5,775 vs 4,552 More than 25% better geekbench 3 Multi-Core score
Significantly better overclocked clock speed (Water) 2.4 GHz vs 1.49 GHz More than 60% better overclocked clock speed (Water)
Newer Jan, 2015 vs Oct, 2014 Release date 2 months later
Front view of Apple A8X

Reasons to consider the
Apple A8X

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Much more l2 cache 2,048 MB vs 0.5 MB 4096x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 4,096 MB vs 4 MB 1024x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache per core 682.67 MB/core vs 0.25 MB/core Around 2730.8x more l2 cache per core
Much more l3 cache per core 1,365.33 MB/core vs 2 MB/core Around 682.8x more l3 cache per core
Much better performance per watt 151.05 pt/W vs 46.04 pt/W More than 3.2x better performance per watt
Lower typical power consumption 3.66W vs 12.19W 3.3x lower typical power consumption
More cores 3 vs 2 1 more cores; run more applications at once
Lower annual home energy cost 1.08 $/year vs 3.61 $/year 3.3x lower annual home energy cost
Lower annual commercial energy cost 3.94 $/year vs 13.14 $/year 3.3x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 5500U vs Apple A8X

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Apple A8X
4,552

GeekBench 3 (Single core) Data courtesy Primate Labs

Apple A8X
1,818

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 5500U
3,570,000 MB/s
Apple A8X
1,050,000 MB/s

GeekBench

Apple A8X
1,809

Specifications Full list of technical specs

summary

Core i7 5500U  vs
Apple A8X 
Clock speed 2.4 GHz 1.5 GHz
Cores Dual core Tri core
Is unlocked No No

overclocking

Overclocked clock speed 2.92 GHz 1.49 GHz
Overclocked clock speed (Water) 2.4 GHz 1.49 GHz
Overclocked clock speed (Air) 2.92 GHz 1.49 GHz

power consumption

TDP 15W 4.5W
Annual home energy cost 3.61 $/year 1.08 $/year
Annual commercial energy cost 13.14 $/year 3.94 $/year
Performance per watt 46.04 pt/W 151.05 pt/W
Typical power consumption 12.19W 3.66W

details

Core i7 5500U  vs
Apple A8X 
Architecture x86-64 ARM
Threads 4 3
L2 cache 0.5 MB 2,048 MB
L2 cache per core 0.25 MB/core 682.67 MB/core
L3 cache 4 MB 4,096 MB
L3 cache per core 2 MB/core 1,365.33 MB/core
Manufacture process 14 nm 20 nm

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 5500 PowerVR Series 6XT GXA6850
Intel Core i7 5500U
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Apple A8X
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