iPhone 17 Pro vs iPhone 6S
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iPhone 17 Pro
Starting at
£1,074.24£1,099.00 new
iPhone 6S
Starting at
£32.09£149.00 newWhat's the difference between the iPhone 17 Pro and iPhone 6S?
iPhone 17 Pro vs 6S comes down to the chipset, RAM and battery. Refurbished, the iPhone 6S starts at £32.09, £1042.15 less than the iPhone 17 Pro. The iPhone 17 Pro is the newer model, released in 2025.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Apple A19 Pro (3 nm) on the iPhone 17 Pro, Apple A9 APL0898 on the iPhone 6S.
- The iPhone 17 Pro has more RAM: 12 GB vs 2 GB.
- Battery: 3998 mAh, 4252 mAh on the iPhone 17 Pro, 1715 mAh on the iPhone 6S.
iPhone 17 Pro vs iPhone 6S specs
The iPhone 17 Pro and iPhone 6S differ significantly in features that match different needs. The iPhone 17 Pro offers a larger, higher resolution screen with advanced display technology, more memory, and a much bigger battery, making it suited for users who want a device for content creation, gaming, or multitasking. It supports 5G and uses an eSIM, appealing to those who prefer modern connectivity. The iPhone 6S has a smaller screen and simpler specs that fit well for everyday use, basic photography, and those who want a lighter, more compact phone with a physical SIM slot. Storage options also differ, with the 17 Pro offering up to 1TB for heavy media use, while the 6S provides smaller capacities for basic needs.
iPhone 17 Pro vs iPhone 6S price
Colour
iPhone 17 Pro vs iPhone 6S battery life and software updates
Durability covers battery capacity, software updates, and overall device resilience. These factors influence how long each phone can keep going through daily use and future software support.
Battery Capacity
The iPhone 17 Pro has batteries of 3998 mAh and 4252 mAh depending on the model, offering more power for longer use between charges. This suits users who need a phone to last through heavy daily activity. The iPhone 6S has a 1715 mAh battery, good for lighter, everyday use where charging during the day is more frequent.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
iPhone 17 Pro vs iPhone 6S performance
Performance here means processing power and memory, which affect how smoothly apps run and how many tasks can be handled at once.
Chipset and Processing
The iPhone 17 Pro uses the Apple A19 Pro (3 nm) chipset, providing high performance for demanding apps, games, and multitasking. This makes it suitable for users who run advanced software or content creation tools. The iPhone 6S has the Apple A9 APL0898 chipset, suited for everyday tasks such as messaging, browsing, and light app use.
RAM Capacity
With 12 GB of RAM, the iPhone 17 Pro can keep many apps open and active simultaneously, which benefits multitaskers and power users. The iPhone 6S has 2 GB of RAM, which works well for simpler use like calls, messaging, and casual app use.
Storage Options
The iPhone 17 Pro offers storage options from 256GB up to 1TB, fitting users who store large amounts of photos, videos, and apps. The iPhone 6S has storage options of 16GB, 32GB, and 64GB, suitable for basic use and lighter media storage.
Chipset
RAM
iPhone 17 Pro vs iPhone 6S screen
Screen quality impacts how you see photos, videos, and apps. Differences in size, resolution, and display technology affect clarity and viewing experience.
Screen Size
The iPhone 17 Pro has a 6.3 inch screen, providing a larger viewing area that is useful for watching videos, gaming, and working on the go. The iPhone 6S has a 4.7 inch screen, which suits people who prefer a smaller, easier to handle device.
Resolution and Display
With a resolution of 2622x1206 and Super Retina XDR technology, the iPhone 17 Pro offers sharper and more vibrant images. This is ideal for users who want detailed visuals and bright, clear screens in different lighting. The iPhone 6S has a resolution of 750x1334 and an IPS LCD screen, providing good image quality for everyday content viewing.
Refresh rate
Resolution
Screen size
Screen type
iPhone 17 Pro vs iPhone 6S camera
Camera quality is important if you take photos or make video calls. Megapixels give an idea of how detailed images can be.
Front Camera
The iPhone 17 Pro features an 18 megapixel front camera, which captures more detail for selfies and video calls. This suits users who often use their front camera for content or clear video communication. The iPhone 6S has a 5 megapixel front camera, suitable for basic selfies and video chats.
Main Camera
The iPhone 17 Pro's main camera has 48 megapixels, offering high-resolution photos with fine detail, good for photography enthusiasts. The iPhone 6S has a 12 megapixel main camera, which works well for everyday snapshots and casual photography.
Camera type
Front camera
Main camera
iPhone 17 Pro vs iPhone 6S size and design
This section covers connectivity, physical dimensions, and other practical features that influence daily usage.
Network and SIM
The iPhone 17 Pro supports 5G networks and uses an eSIM, offering access to faster mobile data and modern SIM management options. This suits users who want modern network speeds and convenient SIM use. The iPhone 6S supports 4G and uses a physical SIM card, fitting users with straightforward mobile needs.
Connector Type
The iPhone 17 Pro has a USB-C connector, a standard for many modern devices. The iPhone 6S uses a Lightning connector and also includes a 3.5mm headphone jack, useful for users with older wired headphones.
Size and Weight
The iPhone 17 Pro measures 150 mm high, 71.9 mm wide, and 8.8 mm deep, weighing 206 g, offering a larger and heavier device that fits well in pockets but is substantial in hand. The iPhone 6S is smaller at 138.3 mm high, 67.1 mm wide, and 7.1 mm deep, weighing 143 g, making it more compact and lighter, suitable for those who prefer less bulk.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
iPhone 17 Pro or iPhone 6S: which should you buy?
Buy the iPhone 17 Pro if
- you want more RAM (12 GB vs 2 GB)
- you want a bigger screen (6.3 inch vs 4.7 inch)
- you want a higher-resolution main camera (48 megapixels vs 12 megapixels)
Buy the iPhone 6S if
- you want to spend less: it starts at £32.09, £1042.15 less than the iPhone 17 Pro
- you want a lighter build (143 g vs 206 g)
- you want a headphone jack
What our customers say
Customers say the iPhone 17 Pro looks like new or better, with many noting perfect or spotless condition and excellent battery health close to 100 percent. Several mention the screen is bright and clear, making it easier to use outdoors or for media. The phone suits users who want a powerful device for content creation, multitasking, and everyday use. Some customers appreciate the storage and performance, with one noting the 512GB variant was cheaper than a new 256GB model. The device is described as feeling brand new, with good battery life and a smooth setup experience.
Reviews for the iPhone 6S highlight its good condition and reasonable price. Customers often mention the phone feels like new, with some saying it suits simple use and smartphone needs well. The smaller size and light weight are appreciated, especially for those wanting a compact phone. Battery condition varies more, but many find it lasts all day for everyday tasks. The camera is described as good enough for casual photography. The phone is popular as a gift or a replacement for users who do not need the latest features.
Overall, the iPhone 17 Pro appeals to those who want a larger, more powerful phone for advanced use and media, while the iPhone 6S suits buyers who prefer a smaller, lighter device for everyday communication and simpler tasks.
iPhone 17 Pro vs iPhone 6S FAQs
iPhone 17 Pro vs 6S comes down to the chipset, RAM and battery. Chipset: Apple A19 Pro (3 nm) on the iPhone 17 Pro, Apple A9 APL0898 on the iPhone 6S. The iPhone 17 Pro has more RAM: 12 GB vs 2 GB.
The iPhone 6S is cheaper refurbished, from £32.09 compared with £1074.24 for the iPhone 17 Pro.
The iPhone 17 Pro has 3998 mAh, 4252 mAh and the iPhone 6S has 1715 mAh.
The iPhone 17 Pro has a higher-resolution main camera: 48 megapixels vs 12 megapixels.
The iPhone 17 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 17 Pro adds more RAM (12 GB vs 2 GB), a bigger screen (6.3 inch vs 4.7 inch) and a higher-resolution main camera (48 megapixels vs 12 megapixels). Refurbished, it costs £1042.15 more (from £1074.24 vs £32.09).
Refurbished, the iPhone 17 Pro comes in 256GB, 512GB and 1TB, and the iPhone 6S in 16GB, 32GB and 64GB.
