iPhone 15 vs iPhone 8
Shop iPhone
iPhone 15
Starting at
£416.19£699.00 new
iPhone 8
Starting at
£90.00£399.00 newWhat's the difference between the iPhone 15 and iPhone 8?
iPhone 15 vs 8 comes down to the chipset, RAM and battery. Refurbished, the iPhone 8 starts at £90, £326.19 less than the iPhone 15. The iPhone 15 is the newer model, released in 2023.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Apple A16 Bionic on the iPhone 15, Apple A11 Bionic on the iPhone 8.
- The iPhone 15 has more RAM: 6 GB vs 2 GB.
- The iPhone 15 has a bigger battery: 3349 mAh vs 1821 mAh.
iPhone 15 vs iPhone 8 specs
The iPhone 15 and iPhone 8 differ in several key areas that suit different needs. The iPhone 15 offers a larger, sharper OLED screen and a more powerful chipset with 6 GB of RAM, making it ideal for users who want smooth performance and detailed visuals. It supports 5G mobile networks and includes USB-C connectivity. In contrast, the iPhone 8 has a smaller screen and simpler performance, making it a good choice for everyday tasks and those preferring a more compact device.
iPhone 15 vs iPhone 8 price
Colour
iPhone 15 vs iPhone 8 battery life and software updates
Durability matters for daily use and longevity. These two devices differ in battery capacity and software support, which can affect how long they keep up with your needs.
Battery Capacity
The iPhone 15 has a 3349 mAh battery, offering more capacity than the iPhone 8's 1821 mAh. This means the iPhone 15 can provide longer usage between charges, which benefits users who spend more time on their phone or use power-hungry apps. The iPhone 8's battery suits those with lighter daily use or who prefer a smaller device.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
iPhone 15 vs iPhone 8 performance
Performance influences how well a phone handles apps, multitasking, and demanding tasks. The two iPhones differ in chipset, RAM, and storage options, which shape their responsiveness and capacity.
Chipset Power
The iPhone 15 uses the Apple A16 Bionic chipset, which delivers faster processing and improved efficiency compared to the iPhone 8's Apple A11 Bionic. This makes the iPhone 15 better suited for gaming, video editing, or running multiple apps smoothly.
Memory
With 6 GB of RAM, the iPhone 15 can keep more apps active in the background, enhancing multitasking and reducing reload times. The iPhone 8's 2 GB RAM fits users who mainly use their phone for everyday tasks and fewer simultaneous apps.
Storage Choices
The iPhone 15 is available with 128GB, 256GB, or 512GB storage, offering plenty of space for apps, media, and files. The iPhone 8 comes with 64GB, 128GB, or 256GB options, suitable for users with moderate storage needs or those preferring lower capacity models.
Chipset
RAM
iPhone 15 vs iPhone 8 screen
Screen quality affects how you view content and interact with your phone. These two iPhones vary in size, resolution, and screen technology, which influence clarity and colour vibrancy.
Screen Size and Resolution
The iPhone 15 has a 6.1 inch screen with 1179 x 2556 resolution, providing a larger and sharper display for watching videos, browsing, or reading. The iPhone 8's 4.7 inch screen with 750 x 1334 resolution offers a more compact view, suitable for users who prefer a smaller device that fits easily in one hand.
Screen Technology
The iPhone 15 features a Super Retina XDR OLED screen, which delivers deeper blacks and more vibrant colours, making it ideal for media consumption and photography. The iPhone 8 uses a Retina IPS LCD, which offers good colour accuracy and brightness for everyday use.
Refresh rate
Resolution
Screen size
Screen type
iPhone 15 vs iPhone 8 camera
Camera quality matters if you take photos or video regularly. These iPhones differ in camera resolution, which influences the detail you can capture.
Front Camera
The iPhone 15 has a 12 megapixel front camera, offering higher resolution for selfies and video calls. The iPhone 8's 7 megapixel front camera suits users who want basic front-facing photos and video.
Main Camera
With a 48 megapixel main camera, the iPhone 15 captures more detail and sharper images, appealing to photography enthusiasts or those who want high-quality photos. The iPhone 8 features a 12 megapixel main camera that is well suited for everyday snapshots.
Front camera
Main camera
iPhone 15 vs iPhone 8 size and design
Other features like connectivity, size, and weight affect how the phone fits your lifestyle. These two models differ in many small but practical ways.
Network and SIM
The iPhone 15 supports 5G networks for faster mobile internet speeds, which benefits users who need higher data performance. It also includes both a physical SIM and eSIM. The iPhone 8 works with 4G networks and uses a physical SIM only, fitting buyers with more basic mobile connectivity needs.
Connector Type
The iPhone 15 uses a USB-C connector, which is widely used for charging and data transfer, offering convenience if you have other USB-C devices. The iPhone 8 has a Lightning connector, which suits users with existing Lightning accessories.
Size and Weight
The iPhone 15 measures 147.6 mm in height, 71.6 mm in width, and 7.8 mm in depth, weighing 171 g. This size supports a larger screen experience but is slightly heavier. The iPhone 8 is smaller at 138.4 mm height, 67.3 mm width, and 7.3 mm depth, weighing 148 g, which may appeal to those wanting a compact and lighter phone.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
iPhone 15 or iPhone 8: which should you buy?
Buy the iPhone 15 if
- you want more RAM (6 GB vs 2 GB)
- you want a bigger battery (3349 mAh vs 1821 mAh)
- you want a bigger screen (6.1 inch vs 4.7 inch)
Buy the iPhone 8 if
- you want to spend less: it starts at £90, £326.19 less than the iPhone 15
- you want a lighter build (148 g vs 171 g)
What our customers say
Customers who bought the iPhone 15 praise its like-new condition and strong battery life. Many mention the device looks almost brand new even in fair condition, with battery health often above 90%. Users find the screen and cameras perform well, capturing clear photos and videos. The phone is described as responsive and smooth, with easy setup and data transfer. Customers appreciate the reliability of the device and report minimal signs of wear, making it suitable for those seeking a modern iPhone experience.
Reviews for the iPhone 8 highlight satisfaction with the phone's appearance and battery health. Buyers find it works well for everyday use and appreciate the solid feel of the device. Storage options are enough for typical apps and photos, and customers note the phone runs without problems. Some users mention minor marks that do not affect function and find the device suitable for work or as a gift. The iPhone 8 appeals to those wanting a simple, unlocked iPhone with classic features.
Overall, the iPhone 15 suits users who want larger screen space, faster performance, and the latest iOS support. The iPhone 8 fits buyers looking for a smaller, straightforward phone that handles everyday tasks reliably.
iPhone 15 vs iPhone 8 FAQs
iPhone 15 vs 8 comes down to the chipset, RAM and battery. Chipset: Apple A16 Bionic on the iPhone 15, Apple A11 Bionic on the iPhone 8. The iPhone 15 has more RAM: 6 GB vs 2 GB.
The iPhone 8 is cheaper refurbished, from £90 compared with £416.19 for the iPhone 15.
The iPhone 15 has a bigger battery: 3349 mAh vs 1821 mAh.
The iPhone 15 has a higher-resolution main camera: 48 megapixels vs 12 megapixels.
The iPhone 15 is still supported and can run iOS 27. Updates for the iPhone 8 ended in Mar 2025. Its last version is iOS 16.
The iPhone 15 adds more RAM (6 GB vs 2 GB), a bigger battery (3349 mAh vs 1821 mAh) and a bigger screen (6.1 inch vs 4.7 inch). Refurbished, it costs £326.19 more (from £416.19 vs £90).
Refurbished, the iPhone 15 comes in 128GB, 256GB and 512GB, and the iPhone 8 in 64GB, 128GB and 256GB.
