iPhone 6 vs iPhone 5s – How They’re Different (Design & Specs)

By Richard Goodwin •  Updated: 09/30/19 •  5 min read

It’s time for the iPhone 6 vs iPhone 5s! The iPhone 6 and iPhone 5s are two pretty significant phones in Apple’s iPhone history. Why? Because the former was the first handset in a new generation and the latter was the last TRUE 4in iPhone ever released…

iPhone 6 vs iPhone 5s – The Major Differences Compared

iPhone 6iPhone 5s
Display: 4.7 inches (1,334 x 750 pixels)Display: 4 inches (640 x 1136)
Dimensions: 5.44 x 2.64 x 0.28inDimensions: 123.8 x 58.6 x 7.6mm
Storage Options: 16, 64, 128GB 16, 64, 128GBStorage Options: 16/32/64GB
CPU: A8 CPU: Apple A7
Camera: 12MP rear, 5MP frontCamera: 8MP, 2MP Front
Battery Size: 1715 mAhBattery Size: 1560 mAh

MORE: The #1 Best iPhone You Can Buy Right Now – It Ain’t The Flagship Model!

How Does The iPhone 6s Differ From iPhone 5s?

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iPhone 6 vs iPhone 5s: Design

Winner? iPhone 6 – The 4.7in display is gigantic compared to the iPhone 5.

iPhone 6 vs iPhone 5s: Main Specs

iPhone 6
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Winner? iPhone 6 – The A8 is much faster than the A7.

iPhone 6 vs iPhone 5s: Camera

iphone 5s
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Winner? iPhone 6 – Software enhancements give the iPhone 6’s camera a boost.

iPhone 6 vs iPhone 5s: Performance

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Winner? iPhone 6 – It’s got double the RAM.

Should You Buy iPhone 6 or iPhone 5s In 2021?

Both the iPhone 5s and iPhone 6, released in 2013 and 2014, respectively, are now getting a tad long in the tooth. Things have progressed quite a bit since 2013/14 in the phone space – both with respect to performance and imaging. These phones are still available to buy and are now both very cheap. However, I would advise against buying them.


They’re just too old. Almost 7 years – in the case of the iPhone 5s – is a LONG time in the mobile space. And while both the iPhone 6 and iPhone 5s are now very cheap to buy, this is for a good reason – they’re both under-specced and their respective cameras aren’t great. For this reason, I’d avoid buying either of these handsets.

MORE: The #1 Best iPhone Case Brands Revealed

Instead, you’re 100% better off going with a newer, more modern iPhone – something like the iPhone 8 or iPhone 8 Plus. Both of these iPhones are still great handsets, pack in plenty of performance, and feature great cameras. They’re basically future-proofed for another few years, whereas the iPhone 5s and iPhone 6 have now reached the end of their lifecycles.

I mean, just look at the options for the iPhone 8 you have right now:


  • Classic Design & Finish
  • Looks Totally Premium
  • Black Bezels Make Display Look Better
  • Smart, Glossy Finish
  • Totally Unique-Looking
  • No One Has This Color 
  • Black Bezels On Front Improves Display Experience
  • Most Aggressive-Looking iPhone Color
  • Looks Clean and Ultra-Premium
  • Scuffs & Scratches Don't Show Up Quite As Much
  • You Like Bling
  • Simple, Clean Looks
  • Best For Hiding Scuffs & Scratches
  • The Lightest, Brighest Color Option Available
  • You Don't Mind White Bezels on The Front
Best Place To Buy? 
Best Place To Buy? 
Best Place To Buy? 
Best Place To Buy? 

And if that wasn’t good enough, you also have two options in this series of iPhones – the iPhone 8 and iPhone 8 Plus. And as you can see below, save for camera and battery size, there’s not much to separate them.

iPhone 8 PlusiPhone 8

Display: 5.5in LCD 1080 x 1920 DisplayDisplay: 4.7in LCD 1334x750 Display
Dimensions: 158.4 x 78.1 x 7.5mm (202g)Dimensions: 138.4mm x 67.3mm x 7.3mm (148g)
Storage Options: 64 or 256GBStorage Options: 64 or 256GB
Camera: Single lens 12MP wide-angle camera, optical image stabilisation. 4K video.Camera: Single lens 12MP wide-angle camera, optical image stabilisation. 4K video
Battery Size: 2691 mAhBattery Size: 1960 mAh
CPU: A11 Bionic ChipCPU: A11 Bionic Chip
Wireless Charging: YesWireless Charging: Yes
Water Resistant: Kinda - IP67Water Resistant: Kinda - IP67

Bottom line? The iPhone 5s and iPhone 6 are too old to recommend in 2021. Instead, you’re better off going with the iPhone 8 – or, if you want something even newer, get a refurbished iPhone X or iPhone XR.

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Richard Goodwin

Richard Goodwin has been working as a tech journalist for over 10 years. He is the editor and owner of KnowYourMobile.

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