iPhone 11 Pro vs iPhone 6S
Shop iPhone
iPhone 11 Pro
Starting at
£199.73£639.00 new
iPhone 6S
Starting at
£32.09£149.00 newWhat's the difference between the iPhone 11 Pro and iPhone 6S?
iPhone 11 Pro vs 6S comes down to the chipset, RAM and screen size. Refurbished, the iPhone 6S starts at £32.09, £167.64 less than the iPhone 11 Pro. The iPhone 11 Pro is the newer model, released in 2019.
Refurbished from
Chipset
RAM
Screen size
Screen type
Front camera
- Chipset: Apple A13 Bionic (7 nm+) on the iPhone 11 Pro, Apple A9 APL0898 on the iPhone 6S.
- The iPhone 11 Pro has more RAM: 4 GB vs 2 GB.
- The iPhone 11 Pro has a bigger screen: 5.8 inch vs 4.7 inch.
iPhone 11 Pro vs iPhone 6S specs
The iPhone 11 Pro and iPhone 6S differ in several key areas that suit different users. It features a larger, higher-resolution OLED screen and a triple rear camera system with a higher resolution front camera. The iPhone 6S offers a smaller design with a 4.7-inch IPS LCD screen and a single rear camera. It has fewer RAM and storage choices but includes a 3.5mm headphone jack and uses a physical SIM card only. If you want a device with more power, screen quality, and camera versatility, the iPhone 11 Pro suits you. For everyday use with a smaller screen and simpler features, the iPhone 6S is a solid choice.
iPhone 11 Pro vs iPhone 6S price
Colour
iPhone 11 Pro vs iPhone 6S battery life and software updates
Durability covers software support and physical design elements that affect how long each iPhone can stay current and functional. These factors matter if you want a device that keeps receiving updates or prefer a certain style and size.
Software Updates
If staying up to date with iOS is important, the iPhone 11 Pro is the better fit.
Design Size
Both devices run iOS. The iPhone 11 Pro measures 144 mm in height and 71.4 mm in width with a depth of 8.1 mm. The iPhone 6S is taller at 138.3 mm, narrower at 67.1 mm, and has a depth of 7.1 mm. These dimensions influence how the phones feel in hand and pocket.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
iPhone 11 Pro vs iPhone 6S performance
Performance depends on the chipset, RAM, and storage options. These affect how smoothly the device runs apps, handles multitasking, and stores data.
Processor Power
The iPhone 11 Pro uses the Apple A13 Bionic chipset with a 7 nm+ process, providing more processing efficiency and speed. The iPhone 6S has the Apple A9 APL0898 chipset, suitable for everyday tasks but with fewer capabilities for demanding apps. Users who run intensive apps or multitask will notice the difference.
Memory Capacity
With 4 GB of RAM, the iPhone 11 Pro keeps more apps open and running smoothly compared to the iPhone 6S, which has 2 GB of RAM. This means switching between apps and handling complex tasks is easier on the 11 Pro.
Storage Options
The iPhone 11 Pro comes in 64GB, 256GB, and 512GB storage variants, offering plenty of space for apps, photos, and videos. The iPhone 6S is available in 16GB, 32GB, and 64GB, which suits users with lighter storage needs or those who use cloud services.
Chipset
RAM
iPhone 11 Pro vs iPhone 6S screen
Screen quality influences your experience with media, reading, and daily use. Size, resolution, and display technology all play a role.
Screen Size and Resolution
The iPhone 11 Pro has a 5.8-inch screen with a resolution of 1125 x 2436, providing a larger and sharper display. The iPhone 6S has a smaller 4.7-inch screen at 750 x 1334 resolution. The larger, higher-resolution screen on the 11 Pro offers more room for video and clearer images.
Display Type
The iPhone 11 Pro uses a Super Retina XDR OLED screen, which typically delivers deeper blacks and more vibrant colours. The iPhone 6S has an IPS LCD screen, offering good colour accuracy and brightness. Your choice depends on whether you prefer the qualities of OLED or IPS LCD technology.
Refresh rate
Resolution
Screen size
Screen type
iPhone 11 Pro vs iPhone 6S camera
Camera and front camera quality matter for photography, video calls, and selfies. More camera features can enhance creativity and versatility.
Rear Camera Setup
The iPhone 11 Pro features a triple rear camera system, giving more options for wide, ultra-wide, and telephoto shots. The iPhone 6S has a single rear camera. If you enjoy photography and want multiple perspectives, the 11 Pro suits you better.
Front Camera Resolution
For selfies and video calls, the iPhone 11 Pro offers a 12-megapixel front camera, which captures more detail than the 5-megapixel front camera on the iPhone 6S. This is useful if you take many selfies or use video chat frequently.
Main Camera Resolution
Both the iPhone 11 Pro and iPhone 6S have a 12-megapixel main camera, providing the same resolution for standard photos.
Camera type
Front camera
Main camera
iPhone 11 Pro vs iPhone 6S size and design
Other practical features can influence daily convenience, including connectivity, size, weight, and ports.
SIM Card Options
The iPhone 11 Pro supports both a physical SIM and an eSIM, allowing more flexibility with mobile plans. The iPhone 6S uses a physical SIM only. If you want to manage two numbers or plans, the 11 Pro offers more options.
Headphone Connector
The iPhone 6S includes a 3.5mm headphone jack alongside the Lightning connector, which suits users who prefer wired headphones without adapters. The iPhone 11 Pro has only the Lightning connector, so wireless or Lightning headphones are needed.
Device Size and Weight
The iPhone 11 Pro measures 144 mm tall, 71.4 mm wide, and 8.1 mm deep, weighing 188 g. The iPhone 6S is taller at 138.3 mm, narrower at 67.1 mm, and less thick at 7.1 mm, weighing 143 g. The 6S may feel lighter and easier to hold for smaller hands.
Network Compatibility
Both phones support 4G networks and come unlocked, so you can use them with a range of carriers in the UK.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
iPhone 11 Pro or iPhone 6S: which should you buy?
Buy the iPhone 11 Pro if
- you want more RAM (4 GB vs 2 GB)
- you want a bigger screen (5.8 inch vs 4.7 inch)
- you want an OLED screen
Buy the iPhone 6S if
- you want to spend less: it starts at £32.09, £167.64 less than the iPhone 11 Pro
- you want a lighter build (143 g vs 188 g)
- you want a headphone jack
What our customers say
Customers who bought the iPhone 11 Pro frequently mention that the phone looks like new and performs well, with battery life lasting throughout the day under normal use. Several users note the screen quality and camera performance meet expectations for newer Apple products. Some customers appreciate that the refurbished phones come with healthy batteries and feel reliable, though a few mention occasional issues like random restarts or connectivity problems. Many find the larger screen and higher resolution front camera useful, and some highlight the ease of moving from Android to iOS with this device.
The iPhone 6S customers often describe the phone as looking immaculate or like new, especially appreciating the smaller size and lighter weight. It suits those seeking a simpler smartphone for everyday use. Battery health can vary, with some mentioning excellent battery life and others noting the need for replacement. The device is seen as good value for its price and easy to use, making it popular for gifts or for users who prefer a more compact phone. The camera and screen quality are suitable for casual use.
Overall, the iPhone 11 Pro appeals to those wanting more power, a larger vivid screen, and versatile cameras. The iPhone 6S is a good choice for users who want a lighter, smaller phone with basic smartphone features and straightforward use.
iPhone 11 Pro vs iPhone 6S FAQs
iPhone 11 Pro vs 6S comes down to the chipset, RAM and screen size. Chipset: Apple A13 Bionic (7 nm+) on the iPhone 11 Pro, Apple A9 APL0898 on the iPhone 6S. The iPhone 11 Pro has more RAM: 4 GB vs 2 GB.
The iPhone 6S is cheaper refurbished, from £32.09 compared with £199.73 for the iPhone 11 Pro.
Both have the same main camera: 12 megapixels.
The iPhone 11 Pro 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 Pro adds more RAM (4 GB vs 2 GB), a bigger screen (5.8 inch vs 4.7 inch) and an OLED screen. Refurbished, it costs £167.64 more (from £199.73 vs £32.09).
Refurbished, the iPhone 11 Pro comes in 64GB, 256GB and 512GB, and the iPhone 6S in 16GB, 32GB and 64GB.
