Galaxy S9 vs iPhone 7 Plus
Shop Samsung Galaxy
Galaxy S9
Starting at
£116.50£449.00 new
iPhone 7 Plus
Starting at
£106.15£139.00 newWhat's the difference between the Galaxy S9 and iPhone 7 Plus?
Galaxy S9 vs iPhone 7 Plus comes down to the RAM, battery and screen size. Refurbished, the iPhone 7 Plus starts at £106.15, £10.35 less than the Galaxy S9. The Galaxy S9 is the newer model, released in 2018.
Refurbished from
RAM
Battery
Screen size
Screen type
Front camera
- The Galaxy S9 has more RAM: 4 GB vs 3 GB.
- The Galaxy S9 has a bigger battery: 3000 mAh vs 2900 mAh.
- The Galaxy S9 has a bigger screen: 5.8 inch vs 5.5 inch.
Galaxy S9 vs iPhone 7 Plus specs
The Galaxy S9 and iPhone 7 Plus each offer distinct features that suit different preferences. The Galaxy S9 has a slightly larger, higher resolution Super AMOLED screen and more RAM, which helps with running multiple apps smoothly. It includes a single main camera and an 8 megapixel front camera, and supports expandable storage with a microSDXC slot. The iPhone 7 Plus has a dual main camera setup and a slightly larger physical size and weight. Choose the Galaxy S9 if you want a sharper screen, expandable storage and a lighter phone. The iPhone 7 Plus suits those who prefer a dual camera and iOS experience in a slightly bigger device.
Galaxy S9 vs iPhone 7 Plus price
Colour
Galaxy S9 vs iPhone 7 Plus battery life and software updates
Durability covers battery capacity, software updates and operating system. The choice here depends on which operating system you prefer.
Battery Capacity
The Galaxy S9 has a 3000 mAh battery while the iPhone 7 Plus has 2900 mAh. The difference is small and both offer similar battery endurance for daily use, suitable for typical phone activities throughout the day.
Operating System
The Galaxy S9 runs Android, which offers a different user experience and app ecosystem compared to the iPhone 7 Plus, which uses iOS. Your preference for Android or iOS will guide your choice here.
Software Updates
Both phones will run on older versions of their operating systems, which can impact access to new features or security updates.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S9 vs iPhone 7 Plus performance
Chipset
RAM
Galaxy S9 vs iPhone 7 Plus screen
Screen quality affects how you view content, from video to browsing. The Galaxy S9 offers a larger, higher resolution screen with a different display technology compared to the iPhone 7 Plus.
Screen Size
The Galaxy S9's 5.8 inch screen provides a bit more viewing space than the iPhone 7 Plus's 5.5 inch screen. This extra size can enhance video watching and web browsing.
Resolution
The Galaxy S9 has a resolution of 1440 x 2960, which is sharper than the iPhone 7 Plus's 1080 x 1920. This means the Galaxy S9's display shows finer detail, which is useful for high-definition content.
Screen Type
The Galaxy S9 uses a Super AMOLED screen known for vibrant colours and deep blacks. The iPhone 7 Plus uses a Retina IPS LCD, which offers accurate colour reproduction and good brightness. Your preference for screen appearance will guide your choice.
Resolution
Screen size
Screen type
Galaxy S9 vs iPhone 7 Plus camera
Camera and front camera specs highlight differences in photography and video calls. The two phones offer different camera setups that suit different user needs.
Main Camera Setup
The iPhone 7 Plus has a double main camera, which can provide more options such as optical zoom or portrait mode. The Galaxy S9 has a single main camera with the same 12 megapixels, offering good image quality for standard photos.
Front Camera
The Galaxy S9 has an 8 megapixel front camera compared to the iPhone 7 Plus's 7 megapixels. This slightly higher resolution can capture more detail in selfies and video calls.
Main Camera Resolution
Both phones have a 12 megapixel main camera, suitable for high-quality photos and videos for everyday photography.
Camera type
Front camera
Main camera
Galaxy S9 vs iPhone 7 Plus size and design
Other features include size, weight, ports and storage options. These differences affect how the phones feel in hand and what accessories they use.
Size and Weight
The Galaxy S9 is smaller and lighter, measuring 147.7 mm tall, 68.7 mm wide and weighing 163 g. The iPhone 7 Plus is taller and wider at 158.2 mm by 77.9 mm and heavier at 188 g. Choose the Galaxy S9 for a more compact and lighter phone.
Storage Options
The Galaxy S9 offers 64GB or 128GB storage options, while the iPhone 7 Plus comes in 32GB or 128GB. The Galaxy S9 also supports microSDXC cards, allowing you to expand storage further, which is useful if you keep lots of media or apps.
Connector and Ports
The Galaxy S9 features a USB-C port and a 3.5mm headphone jack, allowing use of traditional headphones without an adapter. The iPhone 7 Plus uses a Lightning connector and does not have a headphone jack, which affects how you connect audio accessories.
Carrier Compatibility and Network
Both phones are unlocked and support 4G mobile networks, giving you flexibility to choose your carrier and use fast mobile data.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S9 or iPhone 7 Plus: which should you buy?
Buy the Galaxy S9 if
- you want more RAM (4 GB vs 3 GB)
- you want a bigger battery (3000 mAh vs 2900 mAh)
- you want a bigger screen (5.8 inch vs 5.5 inch)
Buy the iPhone 7 Plus if
- you want to spend less: it starts at £106.15, £10.35 less than the Galaxy S9
What our customers say
Customers of the Galaxy S9 often highlight its condition and performance. Many say the phone looks like new or better than expected, even when buying in fair or below excellent condition. Several mention smooth operation and suitable storage for apps. Some note the battery may need topping up by evening, but this is not a major issue for them. A few users mention minor issues like overheating or a faulty charging cable, but overall the feedback shows satisfaction with the phone's condition and functionality.
The iPhone 7 Plus receives praise for its excellent condition and reliability. Customers find it easy to set up and appreciate its performance and battery life. The dual camera and iOS experience suit many users well, including those who want a straightforward device for everyday use. Some note the phone cannot handle the latest software update, which affects newer features. A small number mention condition issues or battery health when buying low-priced models, but most are pleased with the value and quality.
The Galaxy S9 suits those who want a compact, lightweight phone with a vibrant screen and expandable storage. The iPhone 7 Plus fits buyers who prefer iOS, dual cameras and a larger device. Both phones meet different needs with solid performance and good condition options.
Galaxy S9 vs iPhone 7 Plus FAQs
Galaxy S9 vs iPhone 7 Plus comes down to the RAM, battery and screen size. The Galaxy S9 has more RAM: 4 GB vs 3 GB. The Galaxy S9 has a bigger battery: 3000 mAh vs 2900 mAh.
The iPhone 7 Plus is cheaper refurbished, from £106.15 compared with £116.50 for the Galaxy S9.
The Galaxy S9 has a bigger battery: 3000 mAh vs 2900 mAh.
Both have the same main camera: 12 megapixels.
Updates for the Galaxy S9 ended in Apr 2022. Updates for the iPhone 7 Plus ended in Mar 2025. Its last version is iOS 15.
Refurbished, the Galaxy S9 comes in 64GB and 128GB, and the iPhone 7 Plus in 32GB and 128GB.









