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Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G

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Xiaomi Poco F4 GT

Starting at

£314.99
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Xiaomi Redmi 15 4G

Starting at

£262.00
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(1 review)

What's the difference between the Xiaomi Poco F4 GT and Xiaomi Redmi 15 4G?

Xiaomi Poco F4 GT vs Redmi 15 4G comes down to the chipset, RAM and battery. Refurbished, the Xiaomi Redmi 15 4G starts at £262, £52.99 less than the Xiaomi Poco F4 GT. The Xiaomi Redmi 15 4G is the newer model, released in 2025.

Refurbished from

£314.99£262

Chipset

Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)Qualcomm SM6225 Snapdragon 685 (6 nm)

RAM

12 GB6 GB

Battery

4700 mAh7000 mAh

Screen size

6.67 inch6.9 inch

Screen type

AMOLEDIPS LCD
  • Chipset: Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) on the Xiaomi Poco F4 GT, Qualcomm SM6225 Snapdragon 685 (6 nm) on the Xiaomi Redmi 15 4G.
  • The Xiaomi Poco F4 GT has more RAM: 12 GB vs 6 GB.
  • The Xiaomi Redmi 15 4G has a bigger battery: 7000 mAh vs 4700 mAh.

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G specs

The Xiaomi Poco F4 GT and Xiaomi Redmi 15 4G differ significantly in performance, screen type, battery capacity, and camera setup. The Poco F4 GT is geared towards users who want strong performance and a sharper front camera, along with an AMOLED screen for vibrant colours. The Redmi 15 4G offers a larger, higher refresh rate screen and a much bigger battery, suiting those who prioritise longer usage and screen space. Storage and RAM also differ, with the Poco F4 GT providing more memory and storage for demanding apps and multitasking, while the Redmi 15 4G supports expandable storage through a microSD card.

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G price

Colour

  • BlackSold out
  • PurpleSold out

Storage

  • 256GBSold out
  • 128GBSold out

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G battery life and software updates

Durability covers battery capacity and software. Both devices have different battery sizes and operating systems that affect daily use and longevity between charges.

Battery Capacity

The Xiaomi Poco F4 GT comes with a 4700 mAh battery which should provide solid daily use. The Xiaomi Redmi 15 4G has a larger 7000 mAh battery, making it suitable for users who need longer battery life between charges, especially if you use your phone heavily throughout the day.

Operating System

The Poco F4 GT runs Android 12 with an upgrade path to Android 14 and HyperOS 2. The Redmi 15 4G runs Android.

Battery

4700 mAh7000 mAh

Foldable

N/ANo

OS at launch

Android 12, upgradable to Android 14, HyperOS 2N/A

Year of release

20222025

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G performance

Performance depends on chipset, RAM, and storage options. These influence how smoothly apps run and how much multitasking you can do.

Chipset Power

The Poco F4 GT uses the Qualcomm SM8450 Snapdragon 8 Gen 1 built on 4 nm technology, designed for strong performance. The Redmi 15 4G uses the Qualcomm SM6225 Snapdragon 685 at 6 nm, which suits everyday tasks and less demanding apps. Choose the Poco F4 GT if you want faster processing for gaming or heavy apps.

Memory Size

With 12 GB of RAM, the Poco F4 GT handles multiple apps and multitasking smoothly. The Redmi 15 4G has 6 GB of RAM, enough for everyday use such as browsing, social media, and streaming.

Storage Capacity

The Poco F4 GT is stocked with 256 GB of storage, offering ample space for apps, photos, and files. The Redmi 15 4G comes with 128 GB of storage but supports microSDXC cards, so you can expand storage for media and documents if needed.

Chipset

Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)Qualcomm SM6225 Snapdragon 685 (6 nm)

RAM

12 GB6 GB

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G screen

Screen quality affects how you view content and interact with your device. These phones differ in size, refresh rate, resolution, and screen type.

Screen Size and Type

The Redmi 15 4G has a larger 6.9 inch IPS LCD screen, providing more room for videos and reading. The Poco F4 GT features a 6.67 inch AMOLED screen, which offers deeper blacks and more vibrant colours, ideal if you prefer richer visual quality.

Refresh Rate

The Redmi 15 4G offers a 144 Hz refresh rate, making motion smoother during scrolling or gaming. The Poco F4 GT has a 120 Hz refresh rate, which is still very smooth but slightly lower, suitable for most users.

Screen Resolution

Both phones have Full HD+ resolution with the Poco F4 GT at 1080 x 2400 and the Redmi 15 4G at 1080 x 2340. The difference in resolution is minimal and both deliver clear and sharp images.

Refresh rate

120 Hz144 Hz

Resolution

1080 x 24001080x2340

Screen size

6.67 inch6.9 inch

Screen type

AMOLEDIPS LCD

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G camera

Audiovisual features include cameras that affect photo and video quality, especially for selfies and main shots.

Front Camera Detail

The Poco F4 GT has a 20 megapixel front camera, making it well suited for detailed selfies and video calls. The Redmi 15 4G offers an 8 megapixel front camera, which is suitable for everyday video chats and casual photos.

Main Camera Resolution

The Poco F4 GT's main camera has 64 megapixels, capturing more detail in photos. The Redmi 15 4G has a 50 megapixel main camera, which also delivers good photo quality for typical use.

Front camera

20 megapixels8 megapixels

Main camera

64 megapixels50 megapixels

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G size and design

Other features include network compatibility, physical dimensions, SIM options, and connectors which influence convenience and daily handling.

Network and SIM

The Poco F4 GT supports 5G networks and dual physical SIMs, making it suitable if you want faster mobile data speeds. The Redmi 15 4G supports 4G and also has dual physical SIMs, which works well for standard mobile connectivity.

Expandable Storage

The Redmi 15 4G offers a microSDXC slot for adding extra storage, useful if you keep many photos or videos. The Poco F4 GT does not have an SD card slot, so you rely on its built-in storage.

Size and Weight

The Redmi 15 4G is larger and heavier at 171.1 mm height, 82.1 mm width, and 217 g weight, giving more screen space but a bigger feel in hand. The Poco F4 GT measures 162.5 mm tall, 76.7 mm wide, and weighs 210 g, which is a bit more compact.

Connector Type

Both devices use USB Type-C connectors for charging and data transfer, ensuring compatibility with most modern cables and accessories.

Device Thickness

The Poco F4 GT has a depth of 8.5 mm while the Redmi 15 4G is close at 8.6 mm, so both phones have similar thickness and should feel comparably slim.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CUSB-C

Depth

8.5 mm8.6 mm

Height

162.5 mm171.1 mm

Mobile network

5G4G

SD card slot

NomicroSDXC

SIM card

Dual Physical SIMDual Physical SIM

Weight

210 g217 g

Width

76.7 mm82.1 mm

Xiaomi Poco F4 GT or Xiaomi Redmi 15 4G: which should you buy?

Buy the Xiaomi Poco F4 GT if

  • you want more RAM (12 GB vs 6 GB)
  • you want an OLED screen
  • you want a higher-resolution main camera (64 megapixels vs 50 megapixels)

Buy the Xiaomi Redmi 15 4G if

  • you want to spend less: it starts at £262, £52.99 less than the Xiaomi Poco F4 GT
  • you want a bigger battery (7000 mAh vs 4700 mAh)
  • you want a bigger screen (6.9 inch vs 6.67 inch)

Xiaomi Poco F4 GT vs Xiaomi Redmi 15 4G FAQs

Xiaomi Poco F4 GT vs Redmi 15 4G comes down to the chipset, RAM and battery. Chipset: Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) on the Xiaomi Poco F4 GT, Qualcomm SM6225 Snapdragon 685 (6 nm) on the Xiaomi Redmi 15 4G. The Xiaomi Poco F4 GT has more RAM: 12 GB vs 6 GB.

The Xiaomi Redmi 15 4G is cheaper refurbished, from £262 compared with £314.99 for the Xiaomi Poco F4 GT.

The Xiaomi Redmi 15 4G has a bigger battery: 7000 mAh vs 4700 mAh.

The Xiaomi Poco F4 GT has a higher-resolution main camera: 64 megapixels vs 50 megapixels.

The Xiaomi Redmi 15 4G adds a bigger battery (7000 mAh vs 4700 mAh), a bigger screen (6.9 inch vs 6.67 inch) and a smoother screen (144 Hz vs 120 Hz). Refurbished, it costs £52.99 less (from £262 vs £314.99).

Refurbished, the Xiaomi Poco F4 GT comes in 256GB, and the Xiaomi Redmi 15 4G in 128GB.

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