My Mobiles

Menu

Phones Tablets Brands Networks Vouchers SIM Only News PAC Code Guides Top Up Guides
Type to search phones, brands, and deals
esc to close
Xiaomi Redmi 15 4G

Xiaomi Redmi 15 4G deals

The Xiaomi Redmi 15 4G is in our catalog but no UK retailer currently stocks it.

Expert reviews 3.7 (1)
NotebookCheck 73/100
View all reviews
Spec scores £200-£399 Phones · 164 phones
Performance 0.3 /5
Display 2.7 /5
Rear Camera 1.9 /5
Front Camera 1.8 /5
Battery 4 /5
View full breakdown

Budget buyers who want exceptional battery life and a large display but do not need 5G connectivity or heavy processing power.

Xiaomi Redmi 15 4G

No deals currently available

The Xiaomi Redmi 15 4G is in our catalog but no UK retailer currently stocks it. Check back later, or browse Xiaomi alternatives below.

Browse all phones More from Xiaomi

Expert Rating

3.7
(1 review)
NotebookCheck
73/100

Price History

Tracking the best prices since 4 May 2026.

Redmi 15 4G vs Redmi 15 (5G) — Key Differences

Feature Xiaomi Redmi 15 4G Redmi 15
Display 6.9-inch IPS LCD, 144Hz, FHD+, Gorilla Glass 3 6.9-inch IPS LCD, 144Hz, FHD+, Gorilla Glass 3
Chipset Qualcomm Snapdragon 685 (4G only) Qualcomm Snapdragon 6s Gen 3 (5G)
Camera system 50MP main + secondary sensor, 8MP front 50MP main + secondary sensor, 8MP front
Battery 7,000mAh, 33W charging, 18W reverse 7,000mAh, 33W charging, 18W reverse
Build / Design Plastic, IP64, 224g Plastic, IP64, 217g
Storage options 128GB / 256GB with microSD 128GB / 256GB with microSD
SIM-free price Not available From £199.00

Frequently Asked Questions

Is the Redmi 15 4G worth buying?
The Redmi 15 4G is excellent value if you prioritise battery life and do not need 5G. Its 7,000mAh battery can last two days on moderate use, and the large 144Hz display is a genuine treat at this price. For light users and budget-conscious buyers, it is hard to beat.
How good is the Redmi 15 4G camera?
The 50MP main camera takes respectable photos in good lighting with decent detail and natural colours. It handles social media shots and casual everyday photography well, though low-light results are limited. The 8MP front camera is adequate for selfies and video calls.
Does the Redmi 15 4G support 5G?
No, the Redmi 15 4G is a 4G-only device powered by the Snapdragon 685 chipset. If 5G connectivity is important to you, Xiaomi offers the Redmi 15 5G variant with the faster Snapdragon 6s Gen 3 at a slightly higher price point.
Can the Redmi 15 4G be used as a power bank?
Yes, the Redmi 15 4G supports 18W reverse wired charging, allowing you to charge other devices like earbuds, smartwatches, or even another phone from its enormous 7,000mAh battery. This is a genuinely useful feature for travel or emergencies.
How long does the Redmi 15 4G battery last?
With a 7,000mAh battery, the Redmi 15 4G comfortably lasts two days under moderate use. Even heavy users should get through a full day without concern. The 33W fast charging means a full recharge takes a little over an hour, which is reasonable given the massive capacity.
How does the Redmi 15 4G compare to the Redmi 15 5G?
Both phones share the same 7,000mAh battery, 6.9-inch 144Hz display, IP64 rating, and 50MP camera. The key difference is the chipset: the 5G model uses the faster Snapdragon 6s Gen 3 with 5G support, while the 4G version uses the Snapdragon 685. The 5G variant is also slightly lighter at 217g versus 224g. If you do not need 5G or extra processing power, the 4G model saves you money for an almost identical experience. Compare Redmi 15 deals.
Compare Redmi 15 deals

Xiaomi Redmi 15 4G Specifications

Spec Scores

£200-£399 Phones · 164 phones

  • Snapdragon 685
  • Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
164 phones in this group →
This phone
5%
Avg
35%
Best
99%
598 phones in catalog →
This phone
5%
Avg
45%
Best
100%

Based on calibrated CPU benchmark rankings (60%) and GFXBench GPU scores (40%). Apple chipsets included via editorial calibration since AnTuTu under-represents Apple's architecture.

  • 6.9 inches
  • 1080 x 2340 pixels
  • IPS, 144Hz
164 phones in this group →
This phone
53%
Avg
62%
Best
97%
598 phones in catalog →
This phone
53%
Avg
60%
Best
100%

Based on panel type (LTPO is the modern flagship gold standard), resolution, refresh rate, peak brightness, screen size, and HDR10+ / Dolby Vision support. Marketing peak-brightness claims are capped at 3500 nits to prevent inflation.

  • Single camera setup
  • 50 MP main camera
  • 1080p video recording
164 phones in this group →
This phone
37%
Avg
34%
Best
73%
598 phones in catalog →
This phone
37%
Avg
39%
Best
90%

Based on main-sensor size (1-inch / 1/1.3" beats 1/2.0"), telephoto reach (periscope > 5x > 3x optical), image processing tier (Apple Pro, Pixel Pro, Galaxy Ultra, Honor Magic Pro, Xiaomi Ultra), pro video features (ProRes, Apple Log, Dolby Vision), camera-partnership branding (Leica, Hasselblad, Zeiss) and OIS. Older flagships are de-rated since image processing pipelines have advanced significantly each generation. Megapixel count is deliberately downweighted — it correlates poorly with real-world camera quality.

  • 8 MP front camera
  • 1080p selfie video
164 phones in this group →
This phone
35%
Avg
61%
Best
92%
598 phones in catalog →
This phone
35%
Avg
55%
Best
92%

Based on selfie megapixels and max selfie-video resolution.

  • 7,000 mAh
  • 33W wired
164 phones in this group →
This phone
79%
Avg
51%
Best
100%
598 phones in catalog →
This phone
79%
Avg
52%
Best
100%

Based on battery capacity (mAh) adjusted for platform efficiency calibrated against NotebookCheck, Tom's Guide, GSMArena and CNET reviewer tests. Apple A-series gets +45% (iOS process freezing + LTPO 1Hz + tuned panels make iPhone Pro Max outlast many 6500+ mAh Android phones in measured tests). Top Snapdragon / Dimensity flagships get +15%, budget chipsets are penalised −15% to −25% to reflect less efficient displays and looser background limits. Charging speed is excluded — see the separate Fast charging tag for that.

General

Dimensions

171.1 x 82.1 x 8.6

Weight

224 g

SIM

Nano-SIM + Nano-SIM

Operating System

Android 15, HyperOS 2

Colours

Midnight Black, Titan Gray, Sandy Purple

Radio

No

Body

Midnight Black, Titan Gray, Sandy Purple

Camera

Primary Camera Megapixels

50

Primary Camera Video

1080@30fs

Second Camera

50 , f/1.8, (wide), PDAF Auxiliary lens

Selfie Camera Features

HDR

Primary Selfie Camera

8 , f/2.0, (wide)

Video Resolution

1080

Selfie Video Resolution

1080@30fs

Display

Type

IPS LCD, 144Hz

Display Size

6.9

Display Resolution

1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)

Display Protection

Mohs level 6

CPU & Memory

Chipset

Snapdragon 685

GPU

Adreno 610

CPU

Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)

Memory Card Slot

microSDXC (uses shared SIM slot)

Internal Storage

128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM

Sound

Loudspeaker

Yes

3.5mm Jack

No

Connectivity & Data

2G

GSM 850 / 900 / 1800 / 1900

3G

HSDPA 850 / 900 / 1900 / 2100

4G

LTE

Network Speed

HSPA, LTE

Network Technology

GSM / HSPA / LTE

Wi-Fi

Wi-Fi 802.11 b/g/n/ac, dual-band

Bluetooth

5.0, A2DP, LE

USB

USB Type-C 2.0

NFC

Yes (market/region dependent)

GPS

GPS, GLONASS, GALILEO, BDS

Battery

Battery

7000

Charging

33W wired

Other

Sensors

Fingerprint (side-mounted), accelerometer, compass