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iPhone 12 vs iPhone X

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iPhone 12

Starting at

£170.00£649.00 new
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iPhone X

Starting at

£121.10£449.00 new
See options
(464 reviews)
(686 reviews)

What's the difference between the iPhone 12 and iPhone X?

iPhone 12 vs X comes down to the chipset, RAM and battery. Refurbished, the iPhone X starts at £121.10, £48.90 less than the iPhone 12. The iPhone 12 is the newer model, released in 2020.

Refurbished from

£170£121.10

Chipset

Apple A14 Bionic (5 nm)Apple A11 Bionic (10 nm)

RAM

4 GB3 GB

Battery

2815 mAh2716 mAh

Screen size

6.1 inch5.8 inch

Screen type

Super Retina XDR OLEDSuper Retina OLED
  • Chipset: Apple A14 Bionic (5 nm) on the iPhone 12, Apple A11 Bionic (10 nm) on the iPhone X.
  • The iPhone 12 has more RAM: 4 GB vs 3 GB.
  • The iPhone 12 has a bigger battery: 2815 mAh vs 2716 mAh.

iPhone 12 vs iPhone X specs

The iPhone 12 and iPhone X differ in several key areas that help define which buyer they suit. The iPhone 12 offers a larger screen, higher resolution, and a newer chipset with more RAM, making it better for users who want smoother performance and more screen space for apps or media. The iPhone X has a slightly smaller and heavier design with fewer storage options but still offers a capable camera setup.

iPhone 12 vs iPhone X price

iPhone 12 vs iPhone X battery life and software updates

Durability covers battery size, software updates, and operating system. These factors influence how long the phone stays current and how it handles daily use.

Battery Capacity

The iPhone 12 has a 2815 mAh battery, slightly larger than the iPhone X's 2716 mAh. This means the iPhone 12 can offer a bit more endurance between charges, which benefits users who rely on their phone throughout the day without frequent recharging.

Battery

2815 mAh2716 mAh

Foldable

NoNo

Ip rating

IP68IP67

Software updates

Supported, up to iOS 27Ended Mar 2025, last iOS 16

Wireless charging

YesYes

Year of release

20202017

iPhone 12 vs iPhone X performance

Performance depends on chipset, memory, and storage options. These affect how quickly the phone runs apps, handles multitasking, and stores your data.

Processor and RAM

The iPhone 12 runs on the Apple A14 Bionic chip with 4 GB of RAM, an upgrade over the iPhone X's Apple A11 Bionic and 3 GB of RAM. This combination on the iPhone 12 supports smoother multitasking and faster app performance, ideal for users who run demanding apps or want quicker responsiveness.

Storage Choices

The iPhone 12 comes in 64GB, 128GB, and 256GB options, offering more flexibility for storing apps, photos, and media. The iPhone X is available in 64GB and 256GB, which suits users who want either a standard or large storage capacity but without the mid-tier option.

Chipset

Apple A14 Bionic (5 nm)Apple A11 Bionic (10 nm)

RAM

4 GB3 GB

iPhone 12 vs iPhone X screen

Screen quality matters for viewing comfort, media enjoyment, and detail clarity. Size, resolution, and screen type influence how the display performs.

Screen Size and Resolution

The iPhone 12 has a 6.1 inch screen with a resolution of 1170 x 2532, offering a larger and sharper display than the iPhone X's 5.8 inch screen at 1125 x 2436 resolution. This suits users who want more room for videos, reading, or multitasking on screen.

Screen Technology

Both phones use OLED technology, but the iPhone 12 features Super Retina XDR OLED compared to the iPhone X's Super Retina OLED. This difference can provide the iPhone 12 with enhanced brightness and contrast, benefiting users who value vivid colours and clear visuals.

Refresh rate

60 HzN/A

Resolution

1170 x 25321125 x 2436

Screen size

6.1 inch5.8 inch

Screen type

Super Retina XDR OLEDSuper Retina OLED

iPhone 12 vs iPhone X camera

Audiovisual features include cameras and front camera resolution. These specs affect photo quality and video calls.

Front Camera Resolution

The iPhone 12 has a 12 megapixel front camera, higher than the iPhone X's 7 megapixels. This means the iPhone 12 can capture more detailed selfies and sharper video calls, ideal for users who frequently use the front camera.

Main Camera Setup

Both phones have a double (2x) main camera setup with 12 megapixels each. This makes them well suited for photography enthusiasts who want dual-camera features such as wide and ultra-wide shots.

Camera type

Double (2x)Double (2x)

Front camera

12 megapixels7 megapixels

Main camera

12 megapixels12 megapixels

iPhone 12 vs iPhone X size and design

Miscellaneous features include network compatibility, SIM options, size, and weight. These affect connectivity, convenience, and how the phone feels to hold.

Mobile Network

The iPhone 12 supports 5G networks, providing faster mobile data speeds where available. This suits users who want quicker downloads and streaming on the go. The iPhone X supports 4G, fitting those who are comfortable with standard mobile speeds.

SIM Card Options

The iPhone 12 offers both a physical SIM and an eSIM, allowing for dual SIM use without needing two physical cards. The iPhone X uses a physical SIM only, which suits users who prefer a single SIM or simpler setup.

Dimensions and Weight

The iPhone 12 is slightly taller at 146.7 mm and wider at 71.5 mm, with a depth of 7.4 mm and weighing 164 g. The iPhone X is smaller in height and width but thicker at 7.7 mm and heavier at 174 g. Users who prioritise a lighter and slimmer phone may prefer the iPhone 12, while those wanting a slightly smaller footprint might choose the iPhone X.

Carrier compatibility

UnlockedUnlocked

Connector

LightningLightning

Depth

7.4 mm7.7 mm

Height

146.7 mm143.6 mm

Mobile network

5G4G

SD card slot

NoNo

SIM card

Physical SIM + eSIMPhysical SIM

Weight

162 g174 g

Width

71.5 mm70.9 mm

iPhone 12 or iPhone X: which should you buy?

Buy the iPhone 12 if

  • you want more RAM (4 GB vs 3 GB)
  • you want a bigger battery (2815 mAh vs 2716 mAh)
  • you want a bigger screen (6.1 inch vs 5.8 inch)

Buy the iPhone X if

  • you want to spend less: it starts at £121.10, £48.90 less than the iPhone 12

What our customers say

Customers who bought the iPhone 12 often highlight how the phone looks like new and runs smoothly with the A14 Bionic chip. Many mention receiving a phone that feels close to brand new, with clean glass and no visible marks. The larger screen and fast performance suit everyday use, including social media, photo editing, and multitasking. Several customers appreciate the new battery option and the latest iOS updates, which help the phone feel current and reliable. The inclusion of accessories like screen protectors and cases adds to the overall positive experience.

Reviews for the iPhone X show customers value it as a solid and practical choice, especially as a lower priced option for daily use. Many say the phone looks and works like new, with good battery life and smooth operation. Some users note that it does not support the latest iOS update, which can affect app compatibility. The 5.8 inch screen and 4G network suit users who want a straightforward Apple phone without the newest features. Overall, customers are happy with the iPhone X for its balance of quality and price.

Both phones suit different needs well. The iPhone 12 fits those wanting more screen space, faster performance, and 5G, while the iPhone X appeals to buyers seeking a simpler iPhone experience with good design and camera capabilities.

iPhone 12 vs iPhone X FAQs

iPhone 12 vs X comes down to the chipset, RAM and battery. Chipset: Apple A14 Bionic (5 nm) on the iPhone 12, Apple A11 Bionic (10 nm) on the iPhone X. The iPhone 12 has more RAM: 4 GB vs 3 GB.

The iPhone X is cheaper refurbished, from £121.10 compared with £170 for the iPhone 12.

The iPhone 12 has a bigger battery: 2815 mAh vs 2716 mAh.

Both have the same main camera: 12 megapixels.

The iPhone 12 is still supported and can run iOS 27. Updates for the iPhone X ended in Mar 2025. Its last version is iOS 16.

The iPhone 12 adds more RAM (4 GB vs 3 GB), a bigger battery (2815 mAh vs 2716 mAh) and a bigger screen (6.1 inch vs 5.8 inch). Refurbished, it costs £48.90 more (from £170 vs £121.10).

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

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