Galaxy A03 Core vs TCL 20 R 5G
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Galaxy A03 Core
Starting at
£67.28£200.00 new
TCL 20 R 5G
Starting at
£89.00What's the difference between the Galaxy A03 Core and TCL 20 R 5G?
Galaxy A03 Core vs TCL 20 R 5G comes down to the chipset, RAM and battery. Refurbished, the Galaxy A03 Core starts at £67.28, £21.72 less than the TCL 20 R 5G.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Unisoc SC9863A (28 nm) on the Galaxy A03 Core, MediaTek Dimensity 700 MT6833V/ZA (7 nm) on the TCL 20 R 5G.
- The TCL 20 R 5G has more RAM: 4 GB vs 2 GB.
- The Galaxy A03 Core has a bigger battery: 5000 mAh vs 4500 mAh.
Galaxy A03 Core vs TCL 20 R 5G specs
The Galaxy A03 Core and the TCL 20 R 5G both offer solid choices for everyday use, but they suit different priorities. The Galaxy A03 Core focuses on longer battery life and a simpler setup with 2 GB of RAM and 32 GB of storage. The TCL 20 R 5G provides faster mobile network access, more memory and storage, and higher resolution cameras for clearer photos and video calls. If you want a lighter phone with dual SIM support and USB-C connectivity, the TCL 20 R 5G fits well. The Galaxy A03 Core is a good fit for those who want a larger battery and a straightforward device for basic tasks.
Galaxy A03 Core vs TCL 20 R 5G price
Colour
- GreySold out
Storage
- 64GBSold out
Galaxy A03 Core vs TCL 20 R 5G battery life and software updates
Battery life and software support are key factors in daily durability. Both phones run Android and were released in 2021, but they differ in battery capacity.
Battery Capacity
The Galaxy A03 Core has a 5000 mAh battery, which suits users who prioritise longer screen time and less frequent charging. The TCL 20 R 5G has a 4500 mAh battery, which still supports all-day use for many but with a smaller capacity to consider.
Software Updates
This means both phones retain the software features available at release.
Battery
Foldable
Software updates
Year of release
Galaxy A03 Core vs TCL 20 R 5G performance
Performance impacts how smoothly apps run and how much multitasking you can do. The Galaxy A03 Core and TCL 20 R 5G differ in chipset, RAM and storage options.
Processor Technology
The Galaxy A03 Core uses a Unisoc SC9863A chipset built on 28 nm technology, suitable for everyday tasks like calls, messaging and light app use. The TCL 20 R 5G has a MediaTek Dimensity 700 chipset built on 7 nm technology, which provides improved efficiency and better performance for more demanding apps.
Memory and Storage
With 2 GB RAM and 32 GB storage, the Galaxy A03 Core works well for basic app use and simple storage needs. The TCL 20 R 5G offers 4 GB RAM and 64 GB storage, letting you keep more apps open simultaneously and save more photos, apps or media without extra storage.
Chipset
RAM
Galaxy A03 Core vs TCL 20 R 5G screen
Screen quality affects how you see content for browsing, videos and gaming. Both devices share the same resolution and similar screen size but differ in screen type.
Screen Size and Resolution
The Galaxy A03 Core has a 6.5 inch screen and the TCL 20 R 5G a slightly larger 6.52 inch screen. Both have a resolution of 720 x 1600, making text and images clear enough for everyday use and video watching.
Screen Type
The Galaxy A03 Core uses a PLS LCD screen, while the TCL 20 R 5G has an IPS LCD. IPS LCD screens generally offer better colour accuracy and viewing angles, which benefits users who watch videos or look at photos often.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A03 Core vs TCL 20 R 5G camera
Camera quality and front-facing features matter for photos, video calls and selfies. The Galaxy A03 Core and TCL 20 R 5G differ in camera resolutions.
Rear Camera Detail
The Galaxy A03 Core has an 8 megapixel main camera, suitable for casual photos and everyday snapshots. The TCL 20 R 5G offers a 13 megapixel camera, which captures more detail and is better for those who want sharper photos.
Front Camera Clarity
With a 5 megapixel front camera, the Galaxy A03 Core covers basic selfies and video calls. The TCL 20 R 5G's 8 megapixel front camera provides clearer images, which is useful for video calls or self-portraits where detail matters.
Camera type
Front camera
Main camera
Galaxy A03 Core vs TCL 20 R 5G size and design
Other features such as network, connectivity, size and SIM options influence daily convenience and compatibility.
Network Support
The Galaxy A03 Core supports 4G mobile networks, suitable for standard internet use and calls. The TCL 20 R 5G supports 5G, which offers higher data speeds where 5G coverage is available, making it a better choice for faster downloads and streaming.
SIM and Expansion
The Galaxy A03 Core has a single physical SIM slot and a microSDXC card slot for storage expansion. The TCL 20 R 5G offers dual physical SIM slots plus a microSDXC slot, which suits users who need to manage two phone numbers or separate work and personal lines.
Connectivity Ports
The Galaxy A03 Core uses micro USB for charging and data, plus a 3.5 mm headphone jack for wired audio. The TCL 20 R 5G features USB-C connectivity, which supports faster and more versatile connections for charging and accessories.
Dimensions and Weight
The Galaxy A03 Core is slightly larger in width at 75.9 mm and heavier at 211 g, which may feel more substantial in hand. The TCL 20 R 5G measures 75 mm wide and weighs 186 g, making it lighter and a bit slimmer for easier one-handed use.
Carrier compatibility
Connector
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Galaxy A03 Core or TCL 20 R 5G: which should you buy?
Buy the Galaxy A03 Core if
- you want to spend less: it starts at £67.28, £21.72 less than the TCL 20 R 5G
- you want a bigger battery (5000 mAh vs 4500 mAh)
- you want a headphone jack
Buy the TCL 20 R 5G if
- you want more RAM (4 GB vs 2 GB)
- you want a higher-resolution main camera (13 megapixels vs 8 megapixels)
- you want a higher-resolution front camera (8 megapixels vs 5 megapixels)
Galaxy A03 Core vs TCL 20 R 5G FAQs
Galaxy A03 Core vs TCL 20 R 5G comes down to the chipset, RAM and battery. Chipset: Unisoc SC9863A (28 nm) on the Galaxy A03 Core, MediaTek Dimensity 700 MT6833V/ZA (7 nm) on the TCL 20 R 5G. The TCL 20 R 5G has more RAM: 4 GB vs 2 GB.
The Galaxy A03 Core is cheaper refurbished, from £67.28 compared with £89 for the TCL 20 R 5G.
The Galaxy A03 Core has a bigger battery: 5000 mAh vs 4500 mAh.
The TCL 20 R 5G has a higher-resolution main camera: 13 megapixels vs 8 megapixels.
Updates for the Galaxy A03 Core ended in Jan 2026. We don't have published update dates for the TCL 20 R 5G.
Refurbished, the Galaxy A03 Core comes in 32GB, and the TCL 20 R 5G in 64GB.
