iPhone 11 vs iPhone 6S
Shop iPhone
iPhone 11
Starting at
£163.65£489.00 new
iPhone 6S
Starting at
£32.09£149.00 newWhat's the difference between the iPhone 11 and iPhone 6S?
iPhone 11 vs 6S comes down to the chipset, RAM and battery. Refurbished, the iPhone 6S starts at £32.09, £131.56 less than the iPhone 11. The iPhone 11 is the newer model, released in 2019.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Apple A13 Bionic on the iPhone 11, Apple A9 APL0898 on the iPhone 6S.
- The iPhone 11 has more RAM: 4 GB vs 2 GB.
- The iPhone 11 has a bigger battery: 3110 mAh vs 1715 mAh.
iPhone 11 vs iPhone 6S specs
The iPhone 11 and iPhone 6S differ in many ways that suit different users. The iPhone 11 offers a larger 6.1 inch screen and a higher resolution for more room and sharper images, along with a bigger battery for longer use between charges. It has more RAM and a newer chipset, making it suitable for those who want smoother performance and more storage options up to 256GB. The iPhone 6S has a smaller 4.7 inch screen and fewer gigabytes of RAM, which suits buyers looking for a device with a lighter, more compact size. It also includes a 3.5mm headphone jack and a physical SIM card only, which may appeal to some users.
iPhone 11 vs iPhone 6S price
Colour
iPhone 11 vs iPhone 6S battery life and software updates
Durability covers battery capacity, software updates and overall device longevity. These factors affect how long you can use the phone before charging or needing software support.
Battery Capacity
The iPhone 11 has a battery capacity of 3110 mAh, which means it can last longer between charges. This suits users who rely on their phone for extended periods without access to charging. The iPhone 6S has a 1715 mAh battery, which fits well with lighter daily use or shorter time away from power.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
iPhone 11 vs iPhone 6S performance
Performance depends on processing power, memory, and storage options, which influence how well the device handles apps and multitasking.
Chipset and RAM
The iPhone 11 uses the Apple A13 Bionic chip with 4 GB of RAM, offering smoother performance and better handling of multiple apps or demanding tasks. The iPhone 6S has the Apple A9 APL0898 chipset with 2 GB of RAM, which is suitable for everyday use and lighter app requirements.
Storage Options
The iPhone 11 comes in 64GB, 128GB, and 256GB storage sizes, ideal for users who need more space for apps, photos, and media. The iPhone 6S offers 16GB, 32GB, and 64GB options, fitting users who prefer simpler storage needs or smaller file collections.
Chipset
RAM
iPhone 11 vs iPhone 6S screen
Screen quality affects how you view videos, photos, and apps. Size, resolution and screen type play roles in visual experience and portability.
Screen Size and Resolution
The iPhone 11 has a larger 6.1 inch screen with a resolution of 828 x 1792 pixels, providing a roomier display and sharper images. This suits people who watch videos or browse content often. The iPhone 6S has a smaller 4.7 inch screen at 750 x 1334 pixels, which works well for those who prefer a compact phone that fits easily in one hand.
Screen Type
Both phones use IPS LCD technology. The iPhone 11's Liquid Retina IPS LCD offers a refined display experience, while the iPhone 6S has a standard IPS LCD screen.
Resolution
Screen size
Screen type
iPhone 11 vs iPhone 6S camera
Cameras and front-facing features matter for photos, selfies, and video calls. Differences here affect image detail and quality.
Front Camera
The iPhone 11 has a 12 megapixel front camera, capturing more detail in selfies and video calls. The iPhone 6S offers a 5 megapixel front camera, suitable for everyday selfies and video chats.
Main Camera
Both the iPhone 11 and iPhone 6S have a 12 megapixel main camera, providing similar resolution for photos and videos.
Camera type
Front camera
Main camera
iPhone 11 vs iPhone 6S size and design
Other features include physical dimensions, connectivity and convenience options that affect daily use and compatibility.
Physical Size and Weight
The iPhone 11 measures 150.9 mm in height, 75.7 mm in width, and 8.3 mm in depth, weighing 194 g. Its larger size suits users who want a bigger screen and don't mind extra weight. The iPhone 6S is smaller and lighter at 138.3 mm height, 67.1 mm width, 7.1 mm depth, and 143 g weight, fitting those who prefer a compact phone that is easier to hold and carry.
Connectivity and SIM Options
Both phones use a Lightning connector and support 4G mobile networks. The iPhone 11 supports both a physical SIM and an eSIM, which offers flexibility for users who want dual SIM capabilities. The iPhone 6S uses a physical SIM card only. The iPhone 6S includes a 3.5mm headphone jack, allowing use of standard wired headphones without adapters.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
iPhone 11 or iPhone 6S: which should you buy?
Buy the iPhone 11 if
- you want more RAM (4 GB vs 2 GB)
- you want a bigger battery (3110 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, £131.56 less than the iPhone 11
- you want a lighter build (143 g vs 194 g)
- you want a headphone jack
What our customers say
Customers of the iPhone 11 praise its condition, smooth performance, and battery health. Many mention the phone looks like new with minimal marks and appreciate the larger screen size. The battery life is often highlighted as strong, with some noting 100% battery health on refurbished devices. Users also find it quick and reliable for everyday use and recommend it for its value as a refurbished device. Some report minor issues with the screen protector but overall are very happy.
Buyers of the iPhone 6S appreciate its compact size and lightweight feel, describing it as simple and good quality. Many find the phone in excellent condition with good battery health that lasts all day. The 6S is often bought for straightforward use or as a gift for someone who prefers a smaller phone. Some mention the battery condition varies, but many have found refurbished models that work well and look almost new.
The iPhone 11 suits users who want a larger screen, longer battery life, and more storage. The iPhone 6S fits those seeking a smaller, lighter device with simpler features.
iPhone 11 vs iPhone 6S FAQs
iPhone 11 vs 6S comes down to the chipset, RAM and battery. Chipset: Apple A13 Bionic on the iPhone 11, Apple A9 APL0898 on the iPhone 6S. The iPhone 11 has more RAM: 4 GB vs 2 GB.
The iPhone 6S is cheaper refurbished, from £32.09 compared with £163.65 for the iPhone 11.
The iPhone 11 has a bigger battery: 3110 mAh vs 1715 mAh.
Both have the same main camera: 12 megapixels.
The iPhone 11 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 11 adds more RAM (4 GB vs 2 GB), a bigger battery (3110 mAh vs 1715 mAh) and a bigger screen (6.1 inch vs 4.7 inch). Refurbished, it costs £131.56 more (from £163.65 vs £32.09).
Refurbished, the iPhone 11 comes in 64GB, 128GB and 256GB, and the iPhone 6S in 16GB, 32GB and 64GB.
