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Galaxy S20 vs Galaxy Z Fold3 5G

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Galaxy S20

Starting at

£188.75£999.00 new
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Galaxy Z Fold3 5G

Starting at

£341.28
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(375 reviews)
(131 reviews)

What's the difference between the Galaxy S20 and Galaxy Z Fold3 5G?

Galaxy S20 vs Z Fold3 5G comes down to the RAM, battery and screen size. Refurbished, the Galaxy S20 starts at £188.75, £152.53 less than the Galaxy Z Fold3 5G. The Galaxy Z Fold3 5G is the newer model, released in 2021.

Refurbished from

£188.75£341.28

RAM

8 GB12 GB

Battery

4000 mAh4400 mAh

Screen size

6.2 inch7.6 inch

Screen type

Dynamic AMOLED 2XFoldable Dynamic AMOLED 2X

Software updates

Ended Mar 2025Ended Sep 2026
  • The Galaxy Z Fold3 5G has more RAM: 12 GB vs 8 GB.
  • The Galaxy Z Fold3 5G has a bigger battery: 4400 mAh vs 4000 mAh.
  • The Galaxy Z Fold3 5G has a bigger screen: 7.6 inch vs 6.2 inch.

Galaxy S20 vs Galaxy Z Fold3 5G specs

The Galaxy S20 and Galaxy Z Fold3 5G offer different experiences suited to different needs. The Galaxy S20 is lighter and easier to handle, with a bright and sharp 6.2-inch Dynamic AMOLED 2X screen that keeps everyday tasks smooth with 8 GB of RAM. The Galaxy Z Fold3 5G features a larger foldable 7.6-inch screen, more RAM, and a bigger battery, making it well suited for users who want more screen space for multitasking or media. The Z Fold3 5G supports 5G networks and comes with more storage options, while the Galaxy S20 includes a microSD slot for expandable storage and runs on Android. Each device suits different preferences around size, storage, and network technology.

Galaxy S20 vs Galaxy Z Fold3 5G price

Storage

  • 256GBSold out
  • 512GBSold out

Galaxy S20 vs Galaxy Z Fold3 5G battery life and software updates

Durability covers battery capacity, operating system, and release year. These affect daily use in terms of power longevity and software experience.

Battery Capacity

The Galaxy S20 has a 4000 mAh battery, which offers solid endurance for a full day of typical use. The Galaxy Z Fold3 5G comes with a larger 4400 mAh battery, which supports its bigger screen and potentially longer usage between charges. If battery life is a priority for you, especially when using the phone for extended periods, the Z Fold3 5G's larger battery might be beneficial.

Operating System

The specific version on the Z Fold3 5G means it includes features and updates from that release, which may affect app compatibility and system functions.

Release Year

The Galaxy S20 was released in 2020 and the Galaxy Z Fold3 5G in 2021.

Battery

4000 mAh4400 mAh

Foldable

NoN/A

OS at launch

N/AAndroid 11

Software updates

Ended Mar 2025Ended Sep 2026

Year of release

20202021

Galaxy S20 vs Galaxy Z Fold3 5G performance

Chipset

N/AQualcomm SM8350 Snapdragon 888 5G (5 nm)

RAM

8 GB12 GB

Galaxy S20 vs Galaxy Z Fold3 5G screen

Screen quality impacts how you view media, play games, or use apps. Both devices offer high refresh rates, but their size and resolution differ significantly.

Screen Size and Type

The Galaxy S20 has a 6.2 inch Dynamic AMOLED 2X screen which is compact and easy to hold with one hand. The Galaxy Z Fold3 5G features a much larger 7.6 inch Foldable Dynamic AMOLED 2X screen, providing more space for multitasking, video watching, and reading. The foldable design means the Z Fold3 5G can switch between a phone and tablet experience, suiting users who want a versatile display.

Resolution

The Galaxy S20's screen resolution is 1440 by 3200, delivering sharp and detailed images for a screen of its size. The Galaxy Z Fold3 5G has a resolution of 1768 by 2208, which covers more pixels across its larger screen. This higher pixel count helps maintain image clarity on the bigger foldable display, making it great for detailed work or immersive entertainment.

Refresh Rate

Both phones offer a 120 Hz refresh rate, which means smoother scrolling and animations. This feature benefits gaming and general navigation on both devices equally.

Refresh rate

120 Hz120 Hz

Resolution

1440 x 32001768 x 2208

Screen size

6.2 inch7.6 inch

Screen type

Dynamic AMOLED 2XFoldable Dynamic AMOLED 2X

Galaxy S20 vs Galaxy Z Fold3 5G camera

Front camera

10 megapixelsN/A

Main camera

12 megapixelsN/A

Galaxy S20 vs Galaxy Z Fold3 5G size and design

This section looks at network capabilities, connectors, storage options, and physical characteristics that affect everyday use and connectivity.

Mobile Network

The Galaxy S20 supports 4G networks, while the Galaxy Z Fold3 5G supports 5G. If you want faster mobile internet speeds where 5G is available, the Z Fold3 5G will provide that capability.

Storage Options

The Galaxy S20 comes with 128GB of storage and includes a microSDXC slot for expanding storage via memory cards, which is handy if you prefer flexible storage upgrades. The Galaxy Z Fold3 5G is stocked with larger fixed storage options of 256GB or 512GB, offering ample space for apps, photos, and videos without expansion.

Weight

The Galaxy S20 weighs 163 g, making it light and comfortable for one-handed use and carrying in a pocket. The Galaxy Z Fold3 5G is heavier at 271 g, reflecting its larger size and foldable design. This difference matters if you prefer a lighter phone or don't mind a bit more weight for a bigger screen.

Connectivity and SIM

Both phones are unlocked and use USB Type-C connectors. They support a physical SIM plus an eSIM, allowing flexible carrier options and dual SIM use.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CUSB-C

Depth

7.8 mmN/A

Height

161.9 mmN/A

Mobile network

4G5G

Release date

N/A27 August 2021

SD card slot

microSDXCNo

SIM card

Physical SIM + eSIMPhysical SIM + eSIM

Weight

163 g271 g

Width

73.7 mmN/A

Galaxy S20 or Galaxy Z Fold3 5G: which should you buy?

Buy the Galaxy S20 if

  • you want to spend less: it starts at £188.75, £152.53 less than the Galaxy Z Fold3 5G
  • you want a lighter build (163 g vs 271 g)
  • you want a memory card slot

Buy the Galaxy Z Fold3 5G if

  • you want more RAM (12 GB vs 8 GB)
  • you want a bigger battery (4400 mAh vs 4000 mAh)
  • you want a bigger screen (7.6 inch vs 6.2 inch)

What our customers say

Customers say the Galaxy S20 often looks like new and works well, with many praising its clean condition and lightweight design. Some users find it reliable and well suited for everyday use, enjoying the ease of setup and smooth performance. A few mention issues with screen responsiveness or blacklisting, showing that while many are satisfied, some have experienced challenges. Overall, the Galaxy S20 appeals to those who want a solid, straightforward smartphone experience.

The Galaxy Z Fold3 5G receives positive comments about its good condition and ease of use. Customers appreciate the large foldable screen and overall quality, noting it looks like new and runs well. Some mention that the battery life can be shorter compared to their previous devices, but the phone's performance and design are generally praised. This device suits users looking for a larger, versatile screen and 5G connectivity.

Both phones attract customers who value condition and performance in refurbished devices. The Galaxy S20 fits those who prefer a lighter, compact phone with expandable storage, while the Galaxy Z Fold3 5G is for users who want a larger display and more storage with 5G support.

Galaxy S20 vs Galaxy Z Fold3 5G FAQs

Galaxy S20 vs Z Fold3 5G comes down to the RAM, battery and screen size. The Galaxy Z Fold3 5G has more RAM: 12 GB vs 8 GB. The Galaxy Z Fold3 5G has a bigger battery: 4400 mAh vs 4000 mAh.

The Galaxy S20 is cheaper refurbished, from £188.75 compared with £341.28 for the Galaxy Z Fold3 5G.

The Galaxy Z Fold3 5G has a bigger battery: 4400 mAh vs 4000 mAh.

Updates for the Galaxy S20 ended in Mar 2025. Updates for the Galaxy Z Fold3 5G ended in Sep 2026.

The Galaxy Z Fold3 5G adds more RAM (12 GB vs 8 GB), a bigger battery (4400 mAh vs 4000 mAh) and a bigger screen (7.6 inch vs 6.2 inch). Refurbished, it costs £152.53 more (from £341.28 vs £188.75).

Refurbished, the Galaxy S20 comes in 128GB, and the Galaxy Z Fold3 5G in 256GB and 512GB.

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