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iPhone 16 vs iPhone 6S

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iPhone 16

Starting at

£577.65£699.00 new
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iPhone 6S

Starting at

£32.09£149.00 new
See options
(451 reviews)
(507 reviews)

What's the difference between the iPhone 16 and iPhone 6S?

iPhone 16 vs 6S comes down to the chipset, RAM and battery. Refurbished, the iPhone 6S starts at £32.09, £545.56 less than the iPhone 16. The iPhone 16 is the newer model, released in 2024.

Refurbished from

£577.65£32.09

Chipset

Apple A18 (3 nm)Apple A9 APL0898

RAM

8 GB2 GB

Battery

3561 mAh1715 mAh

Screen size

6.1 inch4.7 inch

Screen type

Super Retina XDR OLEDIPS LCD
  • Chipset: Apple A18 (3 nm) on the iPhone 16, Apple A9 APL0898 on the iPhone 6S.
  • The iPhone 16 has more RAM: 8 GB vs 2 GB.
  • The iPhone 16 has a bigger battery: 3561 mAh vs 1715 mAh.

iPhone 16 vs iPhone 6S specs

The iPhone 16 and iPhone 6S differ significantly in several areas, offering distinct experiences for different users. The iPhone 16 has a larger, higher-resolution OLED screen that suits those who enjoy watching videos or want more display space. The iPhone 6S is smaller, lighter, and simpler, fitting well for users who prefer a compact phone with basic functions. Storage options and camera capabilities also vary, with the iPhone 16 offering more memory and advanced cameras for detailed photos. Overall, the iPhone 16 fits users seeking more power and features, while the iPhone 6S suits those who want a straightforward phone for everyday use.

iPhone 16 vs iPhone 6S price

iPhone 16 vs iPhone 6S battery life and software updates

Durability covers battery capacity, software updates, and physical design features that affect daily use.

Battery Capacity

The iPhone 16 has a 3561 mAh battery, which is larger than the iPhone 6S's 1715 mAh. This means the iPhone 16 is likely to last longer between charges, which suits users who spend more time away from power sources. The iPhone 6S's battery capacity fits users with lighter daily use or those who charge more often.

Software Updates

Buyers who want the most current software should consider the iPhone 16, while those who prefer a stable, simpler experience might choose the iPhone 6S.

Battery

3561 mAh1715 mAh

Foldable

NoNo

Ip rating

IP68N/A

OS at launch

iOS 18N/A

Software updates

Supported, up to iOS 27Ended Mar 2025, last iOS 15

Wireless charging

YesN/A

Year of release

20242015

iPhone 16 vs iPhone 6S performance

Performance relates to the chipset, memory, and storage options, which determine how smoothly the device handles apps and multitasking. Both devices offer different levels of power and storage suited to various user needs.

Chipset Efficiency

The iPhone 16 uses the Apple A18 (3 nm) chipset, a more recent and efficient processor compared to the iPhone 6S's Apple A9 APL0898. The iPhone 16 is suited for users who want faster processing for apps and smoother overall performance. The iPhone 6S is suitable for everyday tasks and simpler use.

Memory Capacity

With 8 GB of RAM, the iPhone 16 can keep more apps open and work smoothly with demanding applications. The iPhone 6S has 2 GB of RAM, which fits users who mainly use basic apps and do not need heavy multitasking.

Storage Options

The iPhone 16 offers storage choices of 128GB, 256GB, and 512GB, catering to users who need space for many apps, photos, and videos. The iPhone 6S comes in 16GB, 32GB, and 64GB options, which suit users with lighter storage needs or those who use cloud storage.

Chipset

Apple A18 (3 nm)Apple A9 APL0898

RAM

8 GB2 GB

iPhone 16 vs iPhone 6S screen

Screen quality affects how clear and vibrant images appear and how comfortable the device is for viewing content. The iPhone 16 and iPhone 6S have notable differences in resolution, screen size, and display technology.

Screen Size

The iPhone 16 has a 6.1 inch screen, offering more display area for watching videos, browsing, or reading. The iPhone 6S has a smaller 4.7 inch screen, which suits users who prefer a compact phone that fits easily in one hand.

Resolution

With a resolution of 1179 x 2556, the iPhone 16 provides sharper and more detailed images than the iPhone 6S, which has 750 x 1334. This higher resolution benefits users who want clear text and vivid visuals.

Screen Type

The iPhone 16 uses a Super Retina XDR OLED screen, which offers richer colours and deeper blacks. The iPhone 6S features an IPS LCD screen, providing consistent colour and brightness. Users who prioritise display quality for media will appreciate the iPhone 16's screen.

Refresh rate

60 HzN/A

Resolution

1179 x 2556750 x 1334

Screen size

6.1 inch4.7 inch

Screen type

Super Retina XDR OLEDIPS LCD

iPhone 16 vs iPhone 6S camera

Audiovisual features include camera capabilities that affect photo and video quality. Differences in camera types and megapixels can make a big difference for users who frequently take pictures or video calls.

Main Camera Detail

The iPhone 16 has a 48 megapixels main camera with a dual camera setup, which allows for more detailed photos and additional photographic effects. The iPhone 6S has a single 12 megapixels camera, suitable for everyday snapshots. Users valuing photography will find the iPhone 16 more capable.

Front Camera Quality

For selfies and video calls, the iPhone 16 offers a 12 megapixels front camera, capturing clearer and more detailed images. The iPhone 6S comes with a 5 megapixels front camera, fitting users who use front cameras occasionally.

Camera type

Dual cameraSingle (1x)

Front camera

12 megapixels5 megapixels

Main camera

48 megapixels12 megapixels

iPhone 16 vs iPhone 6S size and design

Miscellaneous features include physical dimensions, connectivity options, and network compatibility that influence how the device fits your lifestyle and daily use.

Network Compatibility

The iPhone 16 supports 5G mobile networks, which can provide faster internet speeds where 5G is available. The iPhone 6S works with 4G networks, suitable for users in areas where 5G is not essential or unavailable.

Connector Type

The iPhone 6S has a Lightning connector plus a 3.5mm headphone jack, offering compatibility with wired headphones without an adapter. Users who prefer traditional headphones may favour the iPhone 6S.

Physical Size and Weight

The iPhone 16 measures 147.6 mm in height, 71.6 mm in width, and 7.8 mm in depth, weighing 170 g. The iPhone 6S is smaller and lighter at 138.3 mm height, 67.1 mm width, 7.1 mm depth, and 143 g weight. The iPhone 6S fits well in smaller pockets and hands, while the iPhone 16 offers a larger feel.

SIM Card Options

The iPhone 16 supports both a physical SIM and eSIM, which can be helpful for users needing multiple numbers or easier carrier switching. The iPhone 6S uses a physical SIM card only.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CLightning + Jack 3.5mm

Depth

7.8 mm7.1 mm

Height

147.6 mm138.3 mm

Mobile network

5G4G

Release date

20 September 202425 September 2015

SD card slot

NoNo

SIM card

Physical SIM + eSIMPhysical SIM

Weight

170 g143 g

Width

71.6 mm67.1 mm

iPhone 16 or iPhone 6S: which should you buy?

Buy the iPhone 16 if

  • you want more RAM (8 GB vs 2 GB)
  • you want a bigger battery (3561 mAh vs 1715 mAh)
  • you want a bigger screen (6.1 inch vs 4.7 inch)

Buy the iPhone 6S if

  • you want to spend less: it starts at £32.09, £545.56 less than the iPhone 16
  • you want a lighter build (143 g vs 170 g)
  • you want a headphone jack

What our customers say

Customers appreciate that the iPhone 16 looks like new, with many highlighting battery health at 100 percent and smooth performance. Several note it works without defects and praise the phone's condition and screen quality. The larger screen and camera are seen as positive features, with users happy about the device's speed and storage. Some mention it holds charge well throughout the day. The iPhone 16 is favoured by those who want a phone that feels new and can handle demanding apps and media.

For the iPhone 6S, customers enjoy its compact size and simple functionality. Many find the phone in excellent condition, noting it looks almost new and suits users who want a straightforward phone. Battery life is generally acceptable when the battery is in good health, and the device is considered reliable for everyday use. The smaller screen and single-camera setup work well for those with basic needs or who prefer a lighter phone.

Overall, the iPhone 16 appeals to users seeking more advanced features, a bigger screen, and longer battery life. The iPhone 6S suits buyers looking for a smaller, simpler device with essential smartphone capabilities.

iPhone 16 vs iPhone 6S FAQs

iPhone 16 vs 6S comes down to the chipset, RAM and battery. Chipset: Apple A18 (3 nm) on the iPhone 16, Apple A9 APL0898 on the iPhone 6S. The iPhone 16 has more RAM: 8 GB vs 2 GB.

The iPhone 6S is cheaper refurbished, from £32.09 compared with £577.65 for the iPhone 16.

The iPhone 16 has a bigger battery: 3561 mAh vs 1715 mAh.

The iPhone 16 has a higher-resolution main camera: 48 megapixels vs 12 megapixels.

The iPhone 16 is still supported and can run iOS 27. Updates for the iPhone 6S ended in Mar 2025. Its last version is iOS 15.

The iPhone 16 adds more RAM (8 GB vs 2 GB), a bigger battery (3561 mAh vs 1715 mAh) and a bigger screen (6.1 inch vs 4.7 inch). Refurbished, it costs £545.56 more (from £577.65 vs £32.09).

Refurbished, the iPhone 16 comes in 128GB, 256GB and 512GB, and the iPhone 6S in 16GB, 32GB and 64GB.

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