iPhone 15 Pro Max vs iPhone 6S
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iPhone 15 Pro Max
Starting at
£577.65£1,199.00 new
iPhone 6S
Starting at
£32.09£149.00 newWhat's the difference between the iPhone 15 Pro Max and iPhone 6S?
iPhone 15 Pro Max vs 6S comes down to the chipset, RAM and battery. Refurbished, the iPhone 6S starts at £32.09, £545.56 less than the iPhone 15 Pro Max. The iPhone 15 Pro Max is the newer model, released in 2023.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Apple A17 Pro (3 nm) on the iPhone 15 Pro Max, Apple A9 APL0898 on the iPhone 6S.
- The iPhone 15 Pro Max has more RAM: 8 GB vs 2 GB.
- The iPhone 15 Pro Max has a bigger battery: 4441 mAh vs 1715 mAh.
iPhone 15 Pro Max vs iPhone 6S specs
The iPhone 15 Pro Max and iPhone 6S differ significantly in battery capacity, screen size and quality, camera capabilities, and performance. Its larger and more advanced screen suits those who enjoy media and detailed visuals. The iPhone 6S, with a smaller battery and simpler screen, fits buyers who prefer a compact phone for everyday tasks. Camera features on the iPhone 15 Pro Max support more detailed photos and videos, while the iPhone 6S provides a straightforward single-lens setup. Network options and connector types also differ, affecting how you use accessories and connect to mobile networks.
iPhone 15 Pro Max vs iPhone 6S price
Colour
iPhone 15 Pro Max vs iPhone 6S battery life and software updates
Durability covers battery capacity, operating system support, and physical aspects. These factors influence how long the phone lasts in daily use and whether it receives software updates.
Battery Capacity
The iPhone 15 Pro Max has a 4441 mAh battery, which provides a longer usage time between charges compared to the iPhone 6S's 1715 mAh battery. This suits users who need their phone to last through heavy use or long days without frequent charging.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
iPhone 15 Pro Max vs iPhone 6S performance
Performance depends on the chipset, RAM, and storage options. These affect how smoothly apps run and how much data you can keep on your phone.
Processor and RAM
The iPhone 15 Pro Max features the Apple A17 Pro chipset with 8 GB of RAM, which keeps apps running smoothly and supports multitasking well. The iPhone 6S has the Apple A9 chipset and 2 GB of RAM, suitable for everyday tasks and simpler app use.
Storage Choices
Storage options for the iPhone 15 Pro Max range from 256GB up to 1TB, providing plenty of space for apps, photos, and videos. The iPhone 6S offers smaller storage sizes, from 16GB to 64GB, which fits users with lighter storage needs.
Chipset
RAM
iPhone 15 Pro Max vs iPhone 6S screen
Screen quality affects how content looks and how much space you have to work or watch media. Size, resolution, and screen type all play a role.
Screen Size and Resolution
The iPhone 15 Pro Max has a large 6.7 inch screen with a resolution of 1290 by 2796 pixels, giving a spacious and sharp display ideal for video and detailed tasks. The iPhone 6S has a smaller 4.7 inch screen at 750 by 1334 pixels, which suits users who prefer a compact device that fits easily in one hand.
Screen Technology
The iPhone 15 Pro Max uses LTPO Super Retina XDR OLED technology, providing vibrant colours and good contrast. The iPhone 6S features an IPS LCD screen, which delivers clear images with accurate colours for everyday use.
Refresh rate
Resolution
Screen size
Screen type
iPhone 15 Pro Max vs iPhone 6S camera
Audiovisual features include camera setups and front camera resolutions, influencing photo quality and video calls.
Main Camera
The iPhone 15 Pro Max has a triple camera system with a 48 megapixel main camera, which captures more detail and allows for versatile photography. The iPhone 6S has a single 12 megapixel camera, suitable for straightforward photos and simpler photography needs.
Front Camera
The iPhone 15 Pro Max offers a 12 megapixel front camera, enhancing video calls and selfies with higher resolution images. The iPhone 6S has a 5 megapixel front camera, which works for basic video calls and selfies.
Camera type
Front camera
Main camera
iPhone 15 Pro Max vs iPhone 6S size and design
Miscellaneous features include network compatibility, connectors, physical dimensions, and SIM card options, affecting how you connect and carry the phone.
Mobile Network and SIM
The iPhone 15 Pro Max supports 5G networks and offers both a physical SIM and eSIM, which is useful for flexible mobile plans. The iPhone 6S supports 4G and uses a physical SIM, fitting users with standard network needs.
Connector Types
The iPhone 15 Pro Max uses a USB-C connector, common for many modern accessories. The iPhone 6S includes both a Lightning connector and a 3.5mm headphone jack, making it compatible with traditional headphones without adapters.
Size and Weight
The iPhone 15 Pro Max measures 159.9 mm in height, 76.7 mm in width, and is 8.3 mm deep, weighing 221 g. The iPhone 6S is smaller and lighter, at 138.3 mm high, 67.1 mm wide, 7.1 mm deep, and 143 g in weight. This suits buyers who want a more compact and lighter phone.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
iPhone 15 Pro Max or iPhone 6S: which should you buy?
Buy the iPhone 15 Pro Max if
- you want more RAM (8 GB vs 2 GB)
- you want a bigger battery (4441 mAh vs 1715 mAh)
- you want a bigger screen (6.7 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 15 Pro Max
- you want a lighter build (143 g vs 221 g)
- you want a headphone jack
What our customers say
Customers who chose the iPhone 15 Pro Max frequently mention that the phone looks like new with no scratches and a strong battery health around 85% to 92%. They appreciate the large screen and excellent camera quality, noting that the battery lasts all day even with heavy use. Many highlight the smooth performance and the phone's condition being close to brand new. Some mention getting a refurbished device with a replaced battery, which helps maintain strong battery life. Overall, these customers enjoy the device's premium feel and advanced features.
For the iPhone 6S, customers praise its good condition and value for money. Many find it suitable as a simple, reliable smartphone with a compact size that feels light in the hand. Reviews often mention the phone working well for everyday use, with some noting the battery condition can vary but generally lasts through the day when in good shape. The camera and screen meet basic needs, and the device is appreciated as a straightforward choice for those who want a smaller phone or a lower priced option.
The iPhone 15 Pro Max fits buyers looking for a high-capacity, feature-rich phone with a large screen and strong performance. The iPhone 6S suits those who want a smaller, lighter device for everyday tasks and prefer a simpler smartphone experience.
iPhone 15 Pro Max vs iPhone 6S FAQs
iPhone 15 Pro Max vs 6S comes down to the chipset, RAM and battery. Chipset: Apple A17 Pro (3 nm) on the iPhone 15 Pro Max, Apple A9 APL0898 on the iPhone 6S. The iPhone 15 Pro Max has more RAM: 8 GB vs 2 GB.
The iPhone 6S is cheaper refurbished, from £32.09 compared with £577.65 for the iPhone 15 Pro Max.
The iPhone 15 Pro Max has a bigger battery: 4441 mAh vs 1715 mAh.
The iPhone 15 Pro Max has a higher-resolution main camera: 48 megapixels vs 12 megapixels.
The iPhone 15 Pro Max 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 15 Pro Max adds more RAM (8 GB vs 2 GB), a bigger battery (4441 mAh vs 1715 mAh) and a bigger screen (6.7 inch vs 4.7 inch). Refurbished, it costs £545.56 more (from £577.65 vs £32.09).
Refurbished, the iPhone 15 Pro Max comes in 256GB, 512GB and 1TB, and the iPhone 6S in 16GB, 32GB and 64GB.









