Galaxy A02s vs Oppo Reno4 Z 5G
Shop Samsung Galaxy
Galaxy A02s
Starting at
£63.14£199.99 new
Oppo Reno4 Z 5G
Starting at
£105.00What's the difference between the Galaxy A02s and Oppo Reno4 Z 5G?
Galaxy A02s vs Oppo Reno4 Z 5G comes down to the chipset, RAM and battery. Refurbished, the Galaxy A02s starts at £63.14, £41.86 less than the Oppo Reno4 Z 5G.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Qualcomm SDM450 Snapdragon 450 (14 nm) on the Galaxy A02s, Mediatek Dimensity 800 on the Oppo Reno4 Z 5G.
- The Oppo Reno4 Z 5G has more RAM: 8 GB vs 4 GB.
- The Galaxy A02s has a bigger battery: 5000 mAh vs 4000 mAh.
Galaxy A02s vs Oppo Reno4 Z 5G specs
The Galaxy A02s and Oppo Reno4 Z 5G both came out in 2020 but offer different strengths for different needs. The Galaxy A02s provides a larger battery capacity and expandable storage via microSDXC, making it suitable for users who prioritise longer battery life and additional storage flexibility. The Oppo Reno4 Z 5G supports 5G connectivity and offers a sharper screen with a higher refresh rate, plus more RAM and built-in storage, which benefits those who want smoother performance and faster mobile data. Camera capabilities also differ, with the Oppo Reno4 Z 5G offering higher resolution front and main cameras for more detailed photos. Both are unlocked and run Android, but their choices in SIM setup and physical design also vary to suit different preferences.
Galaxy A02s vs Oppo Reno4 Z 5G price
Colour
Storage
- 128GBSold out
Galaxy A02s vs Oppo Reno4 Z 5G battery life and software updates
Durability focuses on battery capacity, operating system, and other physical features that affect long-term use.
Battery Capacity
The Galaxy A02s has a 5000 mAh battery, which gives it a larger power reserve. This suits users who need longer usage between charges, such as those spending extended time away from power sources. The Oppo Reno4 Z 5G comes with a 4000 mAh battery, which still supports typical daily use but with less total capacity.
Battery
Foldable
Software updates
Year of release
Galaxy A02s vs Oppo Reno4 Z 5G performance
Performance relates to processing power, memory, and storage. These factors influence how smoothly the phone runs apps and handles multitasking.
Processor and RAM
The Galaxy A02s uses the Qualcomm SDM450 Snapdragon 450 chipset paired with 4 GB of RAM. This combination supports everyday tasks and moderate multitasking. The Oppo Reno4 Z 5G has a Mediatek Dimensity 800 chipset and doubles the RAM to 8 GB, which helps keep more apps open simultaneously and offers a smoother experience for demanding activities.
Storage Capacity
The Galaxy A02s offers 32 GB of storage, suitable for users with moderate app and media needs. The Oppo Reno4 Z 5G comes with 128 GB of built-in storage, which benefits users who store more files, apps, and media directly on their device.
Chipset
RAM
Galaxy A02s vs Oppo Reno4 Z 5G screen
Screen quality affects how content looks and feels during use. Key differences include resolution, refresh rate, size, and panel type.
Resolution and Size
The Galaxy A02s has a 6.5 inch screen with a resolution of 720 x 1600 pixels, providing clear viewing suitable for everyday use. The Oppo Reno4 Z 5G offers a slightly smaller 6.57 inch screen but with a higher resolution of 1080 x 2400 pixels, delivering sharper images and finer detail for video and photos.
Refresh Rate
The Galaxy A02s screen refreshes at 60 Hz, which is standard and sufficient for most activities. The Oppo Reno4 Z 5G supports a 120 Hz refresh rate, making animations and scrolling appear smoother, which users sensitive to motion quality will appreciate.
Screen Type
The Galaxy A02s uses a PLS LCD panel, while the Oppo Reno4 Z 5G uses an IPS LCD. Both are LCD technologies that deliver good colours and viewing angles, with IPS typically offering slightly better colour accuracy.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A02s vs Oppo Reno4 Z 5G camera
Audiovisual features include camera capabilities that affect photo and video quality from both front and rear lenses.
Front Camera
The Galaxy A02s has a 5 megapixel front camera, suitable for video calls and straightforward selfies. The Oppo Reno4 Z 5G features a 16 megapixel front camera, which captures more detail and is better for users who take frequent high-resolution selfies.
Main Camera
The main camera on the Galaxy A02s is 13 megapixels, providing decent image quality for casual photography. The Oppo Reno4 Z 5G comes with a 48 megapixel main camera, offering higher detail and clarity for photos where resolution is important.
Front camera
Main camera
Galaxy A02s vs Oppo Reno4 Z 5G size and design
Miscellaneous aspects cover network compatibility, physical dimensions, SIM options, and storage expandability, all of which affect how you use the device day to day.
Network and SIM
The Galaxy A02s supports 4G networks and uses a single physical SIM card, fitting users who do not require faster 5G speeds or multiple SIM lines. The Oppo Reno4 Z 5G supports 5G connectivity and offers dual physical SIM slots, ideal for users who want the latest mobile network speeds and the ability to use two phone numbers.
Storage Expansion
The Galaxy A02s includes a microSDXC slot for expanding storage beyond the built-in 32 GB. This suits users who want to add extra space for media or apps. The Oppo Reno4 Z 5G does not have a microSD slot, relying instead on its larger built-in storage of 128 GB.
Physical Dimensions and Weight
The Galaxy A02s measures 164.2 mm in height, 75.9 mm in width, 9.1 mm in depth, and weighs 196 g. The Oppo Reno4 Z 5G is slightly smaller at 163.8 mm high, 75.5 mm wide, 8.1 mm thick, and lighter at 184 g. These differences may be noticeable if you prefer a lighter or slimmer device.
Carrier compatibility
Connector
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Galaxy A02s or Oppo Reno4 Z 5G: which should you buy?
Buy the Galaxy A02s if
- you want to spend less: it starts at £63.14, £41.86 less than the Oppo Reno4 Z 5G
- you want a bigger battery (5000 mAh vs 4000 mAh)
- you want a memory card slot
Buy the Oppo Reno4 Z 5G if
- you want more RAM (8 GB vs 4 GB)
- you want a smoother screen (120 Hz vs 60 Hz)
- you want a higher-resolution main camera (48 megapixels vs 13 megapixels)
Galaxy A02s vs Oppo Reno4 Z 5G FAQs
Galaxy A02s vs Oppo Reno4 Z 5G comes down to the chipset, RAM and battery. Chipset: Qualcomm SDM450 Snapdragon 450 (14 nm) on the Galaxy A02s, Mediatek Dimensity 800 on the Oppo Reno4 Z 5G. The Oppo Reno4 Z 5G has more RAM: 8 GB vs 4 GB.
The Galaxy A02s is cheaper refurbished, from £63.14 compared with £105 for the Oppo Reno4 Z 5G.
The Galaxy A02s has a bigger battery: 5000 mAh vs 4000 mAh.
The Oppo Reno4 Z 5G has a higher-resolution main camera: 48 megapixels vs 13 megapixels.
Updates for the Galaxy A02s ended in Jan 2025. We don't have published update dates for the Oppo Reno4 Z 5G.
Refurbished, the Galaxy A02s comes in 32GB, and the Oppo Reno4 Z 5G in 128GB.
