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Galaxy S20 vs iPhone 12

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Galaxy S20

Starting at

£188.75£999.00 new
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iPhone 12

Starting at

£170.00£649.00 new
See options
(375 reviews)
(464 reviews)

What's the difference between the Galaxy S20 and iPhone 12?

Galaxy S20 vs iPhone 12 comes down to the RAM, battery and screen size. Refurbished, the iPhone 12 starts at £170, £18.75 less than the Galaxy S20.

Refurbished from

£188.75£170

RAM

8 GB4 GB

Battery

4000 mAh2815 mAh

Screen size

6.2 inch6.1 inch

Screen type

Dynamic AMOLED 2XSuper Retina XDR OLED

Refresh rate

120 Hz60 Hz
  • The Galaxy S20 has more RAM: 8 GB vs 4 GB.
  • The Galaxy S20 has a bigger battery: 4000 mAh vs 2815 mAh.
  • Screen size: 6.2 inch on the Galaxy S20, 6.1 inch on the iPhone 12.

Galaxy S20 vs iPhone 12 specs

The Galaxy S20 and iPhone 12 both came out in 2020 and offer different strengths that suit different users. The Galaxy S20 has a larger battery and more RAM, which helps keep apps running smoothly and supports longer usage between charges. Its screen offers a higher refresh rate and resolution, making it especially appealing if you prioritise a very smooth and sharp display. Storage options for the iPhone 12 are more varied, accommodating different needs. Overall, the Galaxy S20 fits users wanting a more powerful Android device with expandable storage, while the iPhone 12 suits those who prefer timely updates, iOS, and 5G.

Galaxy S20 vs iPhone 12 price

Galaxy S20 vs iPhone 12 battery life and software updates

Battery capacity and software updates are key when considering durability and long-term use. These devices differ in how they handle these factors, which will affect your daily experience and future-proofing.

Battery Capacity

The Galaxy S20 has a 4000 mAh battery, which provides more power for longer use between charges. This suits users who often rely on their phone throughout the day. The iPhone 12 has a 2815 mAh battery, which may fit users with lighter daily usage or those who charge more frequently.

Operating System

The Galaxy S20 runs on Android, offering more customisation and flexibility, while the iPhone 12 uses iOS, known for its streamlined experience and integration with other Apple devices. Your choice between the two will depend on your preference for these ecosystems.

Battery

4000 mAh2815 mAh

Foldable

NoNo

Ip rating

N/AIP68

Software updates

Ended Mar 2025Supported, up to iOS 27

Wireless charging

N/AYes

Year of release

20202020

Galaxy S20 vs iPhone 12 performance

Chipset

N/AApple A14 Bionic (5 nm)

RAM

8 GB4 GB

Galaxy S20 vs iPhone 12 screen

Screen quality affects how you view content and interact with your device. These two models have different screen sizes, resolutions, and refresh rates that each suit different priorities.

Refresh Rate

The Galaxy S20 features a 120 Hz refresh rate, which makes animations and scrolling smoother. This suits users who want a fluid visual experience, especially when gaming or browsing. The iPhone 12 has a 60 Hz refresh rate, which is standard and suits everyday use without the extra smoothness.

Resolution and Screen Size

The Galaxy S20 has a 6.2 inch Dynamic AMOLED 2X screen with a resolution of 1440 x 3200, delivering a sharp and vibrant display that is ideal for watching videos or detailed content. The iPhone 12 has a slightly smaller 6.1 inch Super Retina XDR OLED screen with a resolution of 1170 x 2532, which balances sharpness and size, making it comfortable for one-handed use.

Refresh rate

120 Hz60 Hz

Resolution

1440 x 32001170 x 2532

Screen size

6.2 inch6.1 inch

Screen type

Dynamic AMOLED 2XSuper Retina XDR OLED

Galaxy S20 vs iPhone 12 camera

Camera quality is important if you often take photos or video calls. These devices offer similar main cameras but differ slightly on their front cameras.

Main Camera

Both the Galaxy S20 and iPhone 12 have 12 megapixel main cameras, so they provide similar detail and capability for everyday photography needs.

Front Camera

The iPhone 12 has a 12 megapixel front camera, which captures more detail for selfies and video calls compared to the Galaxy S20's 10 megapixel front camera. This difference may appeal to those who prioritise front-facing camera quality.

Camera type

N/ADouble (2x)

Front camera

10 megapixels12 megapixels

Main camera

12 megapixels12 megapixels

Galaxy S20 vs iPhone 12 size and design

Several other features influence daily usability and connectivity. Consider network compatibility, storage options, physical size, and how you connect accessories.

Mobile Network

The iPhone 12 supports 5G connectivity, which suits users wanting faster mobile data speeds where available. The Galaxy S20 supports 4G, which remains widely used and reliable.

Storage Options

The iPhone 12 is available in 64GB, 128GB, and 256GB versions, offering wider choice depending on how much storage you need. The Galaxy S20 is stocked with 128GB, which fits many users well. Additionally, the Galaxy S20 has a microSDXC slot for storage expansion, useful if you want to add more space later.

Physical Size and Weight

The Galaxy S20 measures 161.9 mm high, 73.7 mm wide, and 7.8 mm deep, weighing 163 g. The iPhone 12 is slightly smaller at 146.7 mm high, 71.5 mm wide, and 7.4 mm deep, weighing 164 g. The iPhone 12's smaller height and width may be more comfortable for one-handed use.

Connector Type

The Galaxy S20 uses a USB Type-C connector, which is common on many Android devices and accessories. The iPhone 12 uses Apple's Lightning connector, which fits most Apple accessories but requires different cables.

SIM and Carrier Compatibility

Both devices are unlocked and accept a physical SIM plus eSIM, giving flexibility in how you use mobile plans.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CLightning

Depth

7.8 mm7.4 mm

Height

161.9 mm146.7 mm

Mobile network

4G5G

SD card slot

microSDXCNo

SIM card

Physical SIM + eSIMPhysical SIM + eSIM

Weight

163 g162 g

Width

73.7 mm71.5 mm

Galaxy S20 or iPhone 12: which should you buy?

Buy the Galaxy S20 if

  • you want more RAM (8 GB vs 4 GB)
  • you want a bigger battery (4000 mAh vs 2815 mAh)
  • you want a smoother screen (120 Hz vs 60 Hz)

Buy the iPhone 12 if

  • you want to spend less: it starts at £170, £18.75 less than the Galaxy S20
  • you want a higher-resolution front camera (12 megapixels vs 10 megapixels)
  • you want longer software support (supported, up to iOS 27 vs ended Mar 2025)

What our customers say

Customers who bought the Galaxy S20 say the phone looks clean and light with good condition screens. Many report the phone working well and matching the description of excellent condition. Some have experienced issues like screen unresponsiveness or blacklisting, but overall users appreciate the phone's condition and performance. The Galaxy S20 is praised for its neat appearance and reliable performance when in good condition.

Users of the iPhone 12 highlight that the phone looks like new with clean glass and a perfect frame. Many mention the battery feeling like new and smooth performance with apps running easily. The iPhone 12 is noted for its spotless condition, updated software, and good speed. Customers appreciate the variety of storage options and features like the included SIM removal tool. The iPhone 12 is described as a solid everyday phone with reliable performance and a clean look.

Both devices suit users looking for a refurbished phone that performs well and looks like new. The Galaxy S20 may appeal to those wanting a light and smooth Android device, while the iPhone 12 is for those who prefer iOS with consistent updates and 5G connectivity.

Galaxy S20 vs iPhone 12 FAQs

Galaxy S20 vs iPhone 12 comes down to the RAM, battery and screen size. The Galaxy S20 has more RAM: 8 GB vs 4 GB. The Galaxy S20 has a bigger battery: 4000 mAh vs 2815 mAh.

The iPhone 12 is cheaper refurbished, from £170 compared with £188.75 for the Galaxy S20.

The Galaxy S20 has a bigger battery: 4000 mAh vs 2815 mAh.

Both have the same main camera: 12 megapixels.

Updates for the Galaxy S20 ended in Mar 2025. The iPhone 12 is still supported and can run iOS 27.

Refurbished, the Galaxy S20 comes in 128GB, and the iPhone 12 in 64GB, 128GB and 256GB.

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