Fairphone 4 vs OnePlus 9 Pro
Shop Android Smartphones
Fairphone 4
Starting at
£402.27
OnePlus 9 Pro
Starting at
£240.00What's the difference between the Fairphone 4 and OnePlus 9 Pro?
Fairphone 4 vs OnePlus 9 Pro comes down to the chipset, RAM and battery. Refurbished, the OnePlus 9 Pro starts at £240, £162.27 less than the Fairphone 4.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Snapdragon 750G SM7225 on the Fairphone 4, Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the OnePlus 9 Pro.
- The OnePlus 9 Pro has more RAM: 8 GB vs 6 GB.
- The OnePlus 9 Pro has a bigger battery: 4500 mAh vs 3905 mAh.
Fairphone 4 vs OnePlus 9 Pro specs
The Fairphone 4 and OnePlus 9 Pro both launched in 2021, yet they cater to different priorities. The Fairphone 4 suits those who value a modular design with expandable storage and a physical SIM plus eSIM setup. It has a smaller but still capable screen and a higher resolution front camera for selfies. The OnePlus 9 Pro is ideal for users wanting a larger, sharper AMOLED display with more RAM and a more powerful chipset, providing smoother multitasking and gaming. It offers dual physical SIM slots and a slightly lighter, thinner build. Both support 5G and come unlocked, but their differences suit distinct user needs and preferences.
Fairphone 4 vs OnePlus 9 Pro price
Colour
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Fairphone 4 vs OnePlus 9 Pro battery life and software updates
Durability covers battery size, operating system, and release year. These specs affect how long the device lasts between charges and the software experience you get.
Battery Capacity
The Fairphone 4 has a 3905 mAh battery, which supports daily use with moderate power needs. The OnePlus 9 Pro offers a larger 4500 mAh battery, better suited for longer screen time or heavier usage before needing a recharge.
Operating System
Fairphone 4 runs on Android, providing a standard Android experience. The OnePlus 9 Pro comes with Android 11 and is upgradable to Android 14, ensuring access to newer features and security updates through OxygenOS 14.
Release Year
Both devices came out in 2021, so their hardware and software generations are contemporaneous.
Battery
Foldable
OS at launch
Year of release
Fairphone 4 vs OnePlus 9 Pro performance
Performance involves the chipset, RAM, and storage options. These determine how smoothly the phone runs apps, handles multitasking, and stores your data.
Chipset Power
Fairphone 4 uses the Snapdragon 750G SM7225, which supports everyday tasks and moderate app use efficiently. OnePlus 9 Pro is equipped with the Qualcomm SM8350 Snapdragon 888 5G (5 nm), suited for users needing faster processing for gaming, streaming, or intensive apps.
Memory Capacity
Fairphone 4 comes with 6 GB of RAM, enough for running many apps smoothly. OnePlus 9 Pro offers 8 GB RAM, helping keep more apps open simultaneously and supporting heavier multitasking.
Storage Sizes
Both models are available with 128GB or 256GB storage options, giving you flexibility depending on your needs for apps, photos, and files.
Chipset
RAM
Fairphone 4 vs OnePlus 9 Pro screen
Screen quality affects your viewing experience for videos, reading, and gaming. Size, resolution, and screen technology all play a role in clarity and colour.
Screen Size
Fairphone 4 has a 6.3 inch screen, offering a compact but comfortable display. OnePlus 9 Pro's 6.7 inch screen is larger, making it better for watching videos or browsing with more space.
Screen Resolution
Fairphone 4 features a 1080 x 2340 resolution, delivering clear images at Full HD+. OnePlus 9 Pro's 1440 x 3216 resolution provides sharper detail and smoother text, ideal for those who prefer high-definition visuals.
Screen Technology
Fairphone 4 uses an IPS LCD panel, which offers consistent colour and brightness from different angles. OnePlus 9 Pro has an LTPO Fluid2 AMOLED screen, known for deeper blacks and more vivid colours, suited for immersive viewing.
Refresh rate
Resolution
Screen size
Screen type
Fairphone 4 vs OnePlus 9 Pro camera
Audiovisual specs include cameras, which impact the quality of photos and video calls, especially for selfies and main shots.
Front Camera Detail
Fairphone 4 has a 25 megapixel front camera, which can capture more detail in selfies and video calls. OnePlus 9 Pro has a 16 megapixel front camera, suitable for clear and natural self-portraits.
Main Camera Resolution
Both phones feature a 48 megapixel main camera, allowing for detailed photos and versatile shooting in various lighting conditions.
Front camera
Main camera
Fairphone 4 vs OnePlus 9 Pro size and design
Miscellaneous features include network compatibility, physical dimensions, SIM and storage options, and connectors. These specs influence daily convenience and device handling.
SIM Card Setup
Fairphone 4 offers a physical SIM plus eSIM, giving flexibility for personal and work numbers without needing two physical cards. OnePlus 9 Pro supports dual physical SIMs, useful for users who prefer separate SIM cards for different networks or countries.
Expandable Storage
Fairphone 4 includes a microSDXC slot, allowing you to add extra storage easily. This suits users with large media libraries or who want to expand storage over time. OnePlus 9 Pro does not offer expandable storage.
Device Size and Weight
Fairphone 4 measures 162 mm tall, 75.5 mm wide, and 10.5 mm deep, weighing 225 g. OnePlus 9 Pro is slightly taller at 163.2 mm, narrower at 73.6 mm, thinner at 8.7 mm, and lighter at 197 g, which may feel more comfortable in one hand or pocket.
Connector Type
Fairphone 4 uses a USB-C connector. OnePlus 9 Pro has a USB Type-C 3.1 connector, which supports faster data transfer and charging speeds where compatible.
Carrier and Network
Both phones come unlocked and support 5G networks, so you can choose your preferred carrier and enjoy faster mobile data where available.
Carrier compatibility
Connector
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Fairphone 4 or OnePlus 9 Pro: which should you buy?
Buy the Fairphone 4 if
- you want a higher-resolution front camera (25 megapixels vs 16 megapixels)
- you want a memory card slot
Buy the OnePlus 9 Pro if
- you want to spend less: it starts at £240, £162.27 less than the Fairphone 4
- you want more RAM (8 GB vs 6 GB)
- you want a bigger battery (4500 mAh vs 3905 mAh)
Fairphone 4 vs OnePlus 9 Pro FAQs
Fairphone 4 vs OnePlus 9 Pro comes down to the chipset, RAM and battery. Chipset: Snapdragon 750G SM7225 on the Fairphone 4, Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the OnePlus 9 Pro. The OnePlus 9 Pro has more RAM: 8 GB vs 6 GB.
The OnePlus 9 Pro is cheaper refurbished, from £240 compared with £402.27 for the Fairphone 4.
The OnePlus 9 Pro has a bigger battery: 4500 mAh vs 3905 mAh.
Both have the same main camera: 48 megapixels.
Both come in 128GB and 256GB refurbished.
