Galaxy A31 vs Oppo Reno4 Z 5G
Shop Samsung Galaxy
Galaxy A31
Starting at
£115.35£299.99 new
Oppo Reno4 Z 5G
Starting at
£105.00What's the difference between the Galaxy A31 and Oppo Reno4 Z 5G?
Galaxy A31 vs Oppo Reno4 Z 5G comes down to the chipset, RAM and battery. Refurbished, the Oppo Reno4 Z 5G starts at £105, £10.35 less than the Galaxy A31.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Mediatek MT6768 Helio P65 (12 nm) on the Galaxy A31, Mediatek Dimensity 800 on the Oppo Reno4 Z 5G.
- The Oppo Reno4 Z 5G has more RAM: 8 GB vs 6 GB.
- The Galaxy A31 has a bigger battery: 5000 mAh vs 4000 mAh.
Galaxy A31 vs Oppo Reno4 Z 5G specs
The Galaxy A31 and Oppo Reno4 Z 5G both launched in 2020 but offer distinct features suited to different needs. The Galaxy A31 provides a larger battery, expandable storage, and a higher resolution front camera, ideal for users who value long usage and detailed selfies. The Oppo Reno4 Z 5G supports 5G networks, has more RAM, a faster screen refresh rate, and dual SIM slots, making it suitable for those who want smoother visuals, better multitasking, and 5G connectivity. Screen preferences differ with the Galaxy A31's Super AMOLED display offering vibrant colours, while the Oppo Reno4 Z 5G features a larger IPS LCD screen with a quicker refresh rate for fluid motion.
Galaxy A31 vs Oppo Reno4 Z 5G price
Colour
Storage
- 128GBSold out
Galaxy A31 vs Oppo Reno4 Z 5G battery life and software updates
Battery capacity and software updates affect how long a phone stays active and supported.
Battery Capacity
The Galaxy A31 has a 5000 mAh battery, offering longer use between charges, which suits users who need extended screen time without frequent recharging. The Oppo Reno4 Z 5G has a 4000 mAh battery, suitable for typical daily use where lighter battery demands are acceptable.
Software Updates
This means both devices will run versions of Android available around their release but will not receive the most recent system enhancements.
Battery
Fast charging
Foldable
Software updates
Year of release
Galaxy A31 vs Oppo Reno4 Z 5G performance
Performance depends on the chipset, memory, and storage options, which influence speed and multitasking. Both phones offer different hardware suited to varying needs and storage preferences.
Processor and Memory
The Galaxy A31 uses a Mediatek MT6768 Helio P65 chipset paired with 6 GB of RAM, which handles everyday apps and tasks efficiently. The Oppo Reno4 Z 5G features a Mediatek Dimensity 800 chipset with 8 GB of RAM, providing smoother performance when running multiple apps or demanding tasks.
Storage Options
The Galaxy A31 is available with 64GB or 128GB of storage and supports microSDXC cards, allowing you to add more space for files and media. The Oppo Reno4 Z 5G offers 128GB of internal storage but does not support expandable storage, so all your data must fit within this capacity.
Chipset
RAM
Galaxy A31 vs Oppo Reno4 Z 5G screen
Screen quality influences how content looks and feels. Both phones share the same resolution but differ in size, panel type, and refresh rate, affecting how you experience videos and interactions.
Screen Size and Type
The Oppo Reno4 Z 5G has a larger 6.57 inch IPS LCD screen, providing more space for viewing content, which suits users who prefer bigger displays. The Galaxy A31 features a 6.4 inch Super AMOLED screen, known for rich colours and deep blacks, appealing to those who value vibrant visuals.
Refresh Rate
The Oppo Reno4 Z 5G supports a 120 Hz refresh rate, delivering smoother motion and scrolling, ideal if you use your phone for gaming or fast-paced content. The Galaxy A31 has a 60 Hz refresh rate, which is standard and sufficient for everyday viewing and interaction.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A31 vs Oppo Reno4 Z 5G camera
Front camera
Main camera
Galaxy A31 vs Oppo Reno4 Z 5G size and design
Additional features such as network support, SIM options, and physical dimensions influence how the devices fit your lifestyle and connectivity needs.
Mobile Network
The Oppo Reno4 Z 5G supports 5G networks, providing access to faster mobile data where available. The Galaxy A31 supports 4G, suited to areas where 5G is not necessary or not yet accessible.
SIM and Storage Expansion
The Galaxy A31 uses a single physical SIM card and includes a microSDXC slot to expand storage. The Oppo Reno4 Z 5G offers dual physical SIM slots, which is useful if you manage two numbers but does not have expandable storage.
Size and Weight
The Oppo Reno4 Z 5G is slightly taller at 163.8 mm and wider at 75.5 mm, with a depth of 8.1 mm and weight of 184 g, offering a larger but still comfortable device. The Galaxy A31 measures 159.3 mm in height, 73.1 mm in width, 8.6 mm in depth, and weighs 185 g, making it a bit more compact and marginally thicker.
Carrier compatibility
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Galaxy A31 or Oppo Reno4 Z 5G: which should you buy?
Buy the Galaxy A31 if
- you want a bigger battery (5000 mAh vs 4000 mAh)
- you want an OLED screen
- you want a higher-resolution front camera (20 megapixels vs 16 megapixels)
Buy the Oppo Reno4 Z 5G if
- you want to spend less: it starts at £105, £10.35 less than the Galaxy A31
- you want more RAM (8 GB vs 6 GB)
- you want a bigger screen (6.57 inch vs 6.4 inch)
Galaxy A31 vs Oppo Reno4 Z 5G FAQs
Galaxy A31 vs Oppo Reno4 Z 5G comes down to the chipset, RAM and battery. Chipset: Mediatek MT6768 Helio P65 (12 nm) on the Galaxy A31, Mediatek Dimensity 800 on the Oppo Reno4 Z 5G. The Oppo Reno4 Z 5G has more RAM: 8 GB vs 6 GB.
The Oppo Reno4 Z 5G is cheaper refurbished, from £105 compared with £115.35 for the Galaxy A31.
The Galaxy A31 has a bigger battery: 5000 mAh vs 4000 mAh.
Both have the same main camera: 48 megapixels.
The Galaxy A31 no longer gets updates. We don't have published update dates for the Oppo Reno4 Z 5G.
Refurbished, the Galaxy A31 comes in 64GB and 128GB, and the Oppo Reno4 Z 5G in 128GB.
