Home
Trade-in

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max

Shop Samsung Galaxy
  • 24-month warranty
  • Free standard delivery on orders over £50
  • 14-day returns
  • Excellent customer support

Galaxy S20 Ultra 5G

Starting at

£233.80£1,220.00 new
See options

iPhone 12 Pro Max

Starting at

£332.70£1,079.00 new
See options
(300 reviews)
(640 reviews)

What's the difference between the Galaxy S20 Ultra 5G and iPhone 12 Pro Max?

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max comes down to the RAM, battery and screen size. Refurbished, the Galaxy S20 Ultra 5G starts at £233.80, £98.90 less than the iPhone 12 Pro Max.

Refurbished from

£233.80£332.70

RAM

12 GB6 GB

Battery

5000 mAh3687 mAh

Screen size

6.9 inch6.7 inch

Screen type

Dynamic AMOLED 2XSuper Retina XDR OLED

Main camera

108 megapixels12 megapixels
  • The Galaxy S20 Ultra 5G has more RAM: 12 GB vs 6 GB.
  • The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 3687 mAh.
  • The Galaxy S20 Ultra 5G has a bigger screen: 6.9 inch vs 6.7 inch.

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max specs

The Galaxy S20 Ultra 5G and iPhone 12 Pro Max both offer large, high-quality screens and strong camera setups, but they suit different users. The Galaxy S20 Ultra 5G has a larger screen and a higher resolution, with more RAM and a much bigger battery, which is ideal if you want a phone that can handle heavy multitasking and long use between charges. Each uses a different operating system and connector, so your choice may also depend on which ecosystem you prefer and what accessories you already have.

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max price

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max battery life and software updates

Durability covers battery size, software updates, and operating systems. These factors affect how long the phone lasts during use and whether it stays current with new features.

Battery Capacity

The Galaxy S20 Ultra 5G has a 5000 mAh battery, which is larger than the iPhone 12 Pro Max's 3687 mAh. This means the Galaxy can support longer use between charges, suiting users who need extended battery life for heavy daily use or long periods away from power sources.

Operating System

The Galaxy S20 Ultra 5G runs on Android, while the iPhone 12 Pro Max uses iOS. Your preference for apps, interface, and ecosystem may guide your choice here.

Battery

5000 mAh3687 mAh

Fast charging

45 WN/A

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 Ultra 5G vs iPhone 12 Pro Max performance

Chipset

N/AApple A14 Bionic

RAM

12 GB6 GB

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max screen

Screen quality impacts how you see content and interact with your phone. These devices differ in size, resolution, and display type.

Screen Size

The Galaxy S20 Ultra 5G has a 6.9 inch screen, slightly larger than the iPhone 12 Pro Max's 6.7 inch. This extra space gives more room for watching videos or browsing, which can suit users who value a bigger display.

Screen Resolution

With a resolution of 1440 x 3200, the Galaxy S20 Ultra 5G provides a sharper picture than the iPhone 12 Pro Max's 1284 x 2778. This is noticeable when viewing detailed images or text, appealing to those who want the highest possible clarity.

Screen Type

The Galaxy uses a Dynamic AMOLED 2X screen, while the iPhone has a Super Retina XDR OLED. Both provide vivid colours and deep blacks, but each offers a slightly different visual experience that may come down to personal taste.

Refresh rate

120 HzN/A

Resolution

1440 x 32001284 x 2778

Screen size

6.9 inch6.7 inch

Screen type

Dynamic AMOLED 2XSuper Retina XDR OLED

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max camera

Camera and front camera specs affect photo and video quality, key for users who prioritise imaging.

Main Camera Setup

The Galaxy S20 Ultra 5G features a quadruple camera setup with a 108 megapixel main camera, while the iPhone 12 Pro Max has a triple camera setup with a 12 megapixel main camera. This means the Galaxy can capture more detailed photos, which suits users who want higher resolution images.

Front Camera

The Galaxy S20 Ultra 5G has a 40 megapixel front camera compared to the iPhone 12 Pro Max's 12 megapixels. This difference benefits those who take many selfies or video calls and want clearer, more detailed front-facing images.

Camera type

Quadruple (4x)Triple (3x)

Front camera

40 megapixels12 megapixels

Main camera

108 megapixels12 megapixels

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max size and design

Other features such as connectors, storage, size, and network compatibility can influence daily use and accessory choices.

Storage Options

The iPhone 12 Pro Max offers 128GB, 256GB, and 512GB storage options, giving more flexibility for those who need extra space for apps, photos, or media. The Galaxy S20 Ultra 5G is available with 128GB storage in our stock.

Expandable Storage

The Galaxy S20 Ultra 5G supports microSDXC cards, allowing you to expand storage beyond the built-in capacity. This suits users who prefer adding storage later or swapping cards. The iPhone 12 Pro Max does not support expandable storage.

Connector Type

The Galaxy S20 Ultra 5G uses a USB-C connector, common for many devices and accessories. The iPhone 12 Pro Max uses Apple's Lightning connector, which might influence your choice based on your existing cables and chargers.

Physical Size and Weight

The Galaxy S20 Ultra 5G measures 166.9 mm in height, 76 mm in width, and has a depth of 8.8 mm, weighing 222 g. The iPhone 12 Pro Max is slightly taller at 160.8 mm, wider at 78.1 mm, and has a depth of 7.4 mm, weighing 226 g. These small differences may affect how the phone feels in your hand or pocket.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CLightning

Depth

8.8 mm7.4 mm

Height

166.9 mm160.8 mm

Mobile network

5G5G

Release date

N/A13 November 2020

SD card slot

microSDXCNo

SIM card

Physical SIM + eSIMPhysical SIM + eSIM

Weight

222 g228 g

Width

76 mm78.1 mm

Galaxy S20 Ultra 5G or iPhone 12 Pro Max: which should you buy?

Buy the Galaxy S20 Ultra 5G if

  • you want to spend less: it starts at £233.80, £98.90 less than the iPhone 12 Pro Max
  • you want more RAM (12 GB vs 6 GB)
  • you want a bigger battery (5000 mAh vs 3687 mAh)

Buy the iPhone 12 Pro Max if

  • you want longer software support (supported, up to iOS 27 vs ended Mar 2025)

What our customers say

Customers who chose the Galaxy S20 Ultra 5G report it looks like new even when refurbished and praise the excellent condition with no marks. Several mention the phone fits heavy use well thanks to its 12GB RAM and large screen resolution. Battery life receives mixed comments, with some finding it lasts well and others wishing it lasted longer. The phone is described as good for taking nice photos and handling day-to-day tasks without problems.

Buyers of the iPhone 12 Pro Max highlight the device's like-new appearance and reliable performance. Many are happy with the battery lasting all day and the storage options fitting their needs. The screen and overall look receive positive remarks, with users noting the phone works perfectly and suits those wanting good-quality refurbished tech. A few customers faced issues around condition or order errors, but most found the device met their expectations.

The Galaxy S20 Ultra 5G suits users who want a large, high-resolution screen, a very detailed camera, and a bigger battery for longer use. The iPhone 12 Pro Max is better for those who prefer iOS, want the latest software updates, and appreciate a range of storage sizes.

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max FAQs

Galaxy S20 Ultra 5G vs iPhone 12 Pro Max comes down to the RAM, battery and screen size. The Galaxy S20 Ultra 5G has more RAM: 12 GB vs 6 GB. The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 3687 mAh.

The Galaxy S20 Ultra 5G is cheaper refurbished, from £233.80 compared with £332.70 for the iPhone 12 Pro Max.

The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 3687 mAh.

The Galaxy S20 Ultra 5G has a higher-resolution main camera: 108 megapixels vs 12 megapixels.

Updates for the Galaxy S20 Ultra 5G ended in Mar 2025. The iPhone 12 Pro Max is still supported and can run iOS 27.

Refurbished, the Galaxy S20 Ultra 5G comes in 128GB, and the iPhone 12 Pro Max in 128GB, 256GB and 512GB.

Add device
Add device
Add device
Add device