iPhone 13 vs iPhone 6S
Shop iPhone
iPhone 13
Starting at
£249.06£599.00 new
iPhone 6S
Starting at
£32.09£149.00 newWhat's the difference between the iPhone 13 and iPhone 6S?
iPhone 13 vs 6S comes down to the chipset, RAM and battery. Refurbished, the iPhone 6S starts at £32.09, £216.97 less than the iPhone 13. The iPhone 13 is the newer model, released in 2021.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Apple A15 Bionic (5 nm) on the iPhone 13, Apple A9 APL0898 on the iPhone 6S.
- The iPhone 13 has more RAM: 4 GB vs 2 GB.
- The iPhone 13 has a bigger battery: 3240 mAh vs 1715 mAh.
iPhone 13 vs iPhone 6S specs
The iPhone 13 and the iPhone 6S differ in several key areas that suit different types of users. The iPhone 13 offers a larger, sharper OLED screen that enhances video and photo viewing, along with more memory and a newer chipset that support smoother multitasking and faster performance. It has a higher capacity battery and supports 5G network connectivity, which benefits users needing longer battery life and faster mobile data. The iPhone 6S suits those who prefer a smaller phone with a simpler screen and lower storage options, making it a practical choice for everyday use and lighter tasks. Its physical SIM card slot and 3.5mm headphone jack may also appeal to users with specific accessory needs.
iPhone 13 vs iPhone 6S price
Colour
iPhone 13 vs iPhone 6S battery life and software updates
Durability covers battery capacity, operating system, and release year. These factors affect how long the phone lasts on a charge and the software experience.
Battery Capacity
The iPhone 13 has a 3240 mAh battery, which provides longer use between charges, suitable for users who rely on their phone throughout the day. The iPhone 6S has a 1715 mAh battery, suited for lighter daily use or those who charge more frequently.
Operating System
The iPhone 13 runs on iOS 15, offering the latest features available from Apple for that version. The iPhone 6S runs iOS, which supports core iPhone functionality.
Release Year
The iPhone 13 was released in 2021 and the iPhone 6S in 2015.
Battery
Foldable
Ip rating
OS at launch
Software updates
Wireless charging
Year of release
iPhone 13 vs iPhone 6S performance
Performance depends on chipset, RAM, and storage options. These influence speed, ability to run apps, and how much data you can keep on the device.
Chipset Power
The iPhone 13 features the Apple A15 Bionic chipset built on a 5 nm process, designed for efficient and fast operation. The iPhone 6S uses the Apple A9 APL0898 chipset, suitable for everyday tasks but with less processing power compared to the iPhone 13.
Memory
With 4 GB of RAM, the iPhone 13 keeps more apps open and running smoothly in the background. The iPhone 6S has 2 GB of RAM, which supports basic multitasking and everyday app use.
Storage Options
The iPhone 13 comes in 128GB, 256GB, and 512GB versions, fitting users with large photo libraries or who store many apps. The iPhone 6S offers 16GB, 32GB, and 64GB, which suits users with lighter storage needs or those who manage storage carefully.
Chipset
RAM
iPhone 13 vs iPhone 6S screen
Screen quality affects how you see content and interact with your phone. Size, resolution, and screen type shape the viewing experience.
Screen Size
The iPhone 13 has a 6.1 inch screen, providing a larger area for watching videos, browsing, and typing. The iPhone 6S has a 4.7 inch screen, which fits comfortably in one hand and suits users preferring smaller phones.
Resolution
With a resolution of 1170 x 2532, the iPhone 13 delivers sharper, more detailed images and text. The iPhone 6S's resolution is 750 x 1334, which supports clear display quality on its smaller screen.
Screen Type
The iPhone 13 uses an OLED screen, known for deeper blacks and vibrant colours, enhancing media viewing. The iPhone 6S has an IPS LCD screen, which offers accurate colours and consistent brightness.
Refresh rate
Resolution
Screen size
Screen type
iPhone 13 vs iPhone 6S camera
Audiovisual features focus on the cameras, which affect how you capture photos and video calls.
Front Camera Resolution
The iPhone 13 has a 12 megapixel front camera, delivering higher detail for selfies and video calls. The iPhone 6S features a 5 megapixel front camera, suitable for basic selfies and video chats.
Main Camera Resolution
Both the iPhone 13 and iPhone 6S feature 12 megapixel main cameras, so they offer similar resolution for standard photography.
Camera type
Front camera
Main camera
iPhone 13 vs iPhone 6S size and design
Other differences include connectivity, size, and physical features that affect daily use and compatibility with accessories.
Carrier Compatibility and SIM
Both phones are unlocked, allowing use with various carriers. The iPhone 13 supports both a physical SIM and eSIM, offering flexible options for mobile plans. The iPhone 6S uses a physical SIM only.
Mobile Network
The iPhone 13 supports 5G networks, which provide faster mobile internet where available. The iPhone 6S supports 4G networks, sufficient for general browsing and streaming.
Connector and Headphone Jack
Both devices use a Lightning connector for charging and accessories. The iPhone 6S also includes a 3.5mm headphone jack, which suits users with wired headphones. The iPhone 13 does not have a headphone jack.
Size and Weight
The iPhone 13 measures 146.7 mm in height, 71.5 mm in width, and 7.7 mm in depth, weighing 174 g. The iPhone 6S is 138.3 mm high, 67.1 mm wide, 7.1 mm deep, and weighs 143 g. The iPhone 6S is more compact and lighter, suitable for those who prefer smaller phones.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
iPhone 13 or iPhone 6S: which should you buy?
Buy the iPhone 13 if
- you want more RAM (4 GB vs 2 GB)
- you want a bigger battery (3240 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, £216.97 less than the iPhone 13
- you want a lighter build (143 g vs 173 g)
- you want a headphone jack
What our customers say
Customers of the iPhone 13 praise its condition, often describing it as looking like new and working like a new phone. Battery life is highlighted positively, especially when the battery is new or at high health. Users appreciate the smooth performance and the larger, bright screen. Several mention ease of setup and being happy with the speed and reliability of the phone. Some buyers value the phone for family use or as a first iPhone.
Customers of the iPhone 6S often mention the phone's condition, with many saying it looks immaculate or like new. The smaller size and lighter weight are appreciated, especially by older users or those looking for a simple upgrade. Battery health varies in reviews, with some reporting good all-day battery and others noting it is imperfect or needs replacement. The camera quality and ease of use suit those wanting a straightforward, dependable phone for everyday tasks. Overall, reviews reflect satisfaction with the phone's performance given its storage options and size.
The iPhone 13 suits users who want a larger, more powerful device with a higher resolution screen and longer battery life. The iPhone 6S is suitable for those seeking a smaller, lighter phone that covers essential smartphone needs with simpler features and lower storage capacities.
iPhone 13 vs iPhone 6S FAQs
iPhone 13 vs 6S comes down to the chipset, RAM and battery. Chipset: Apple A15 Bionic (5 nm) on the iPhone 13, Apple A9 APL0898 on the iPhone 6S. The iPhone 13 has more RAM: 4 GB vs 2 GB.
The iPhone 6S is cheaper refurbished, from £32.09 compared with £249.06 for the iPhone 13.
The iPhone 13 has a bigger battery: 3240 mAh vs 1715 mAh.
Both have the same main camera: 12 megapixels.
The iPhone 13 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 13 adds more RAM (4 GB vs 2 GB), a bigger battery (3240 mAh vs 1715 mAh) and a bigger screen (6.1 inch vs 4.7 inch). Refurbished, it costs £216.97 more (from £249.06 vs £32.09).
Refurbished, the iPhone 13 comes in 128GB, 256GB and 512GB, and the iPhone 6S in 16GB, 32GB and 64GB.
