Realme 15 5G vs Xiaomi Redmi 15 4G

Compared 2 smartphones : Realme 15 5G Manufactured in July, 2025, with display 6.8 with chipsetMediaTek Dimensity 7300 Plus, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Realme 15 5G
  • Higher pixel density: 453ppi
  • Lighter design: 187g vs 224g
  • Newer Bluetooth version: 5.4 vs 5
Reasons to choose Xiaomi Redmi 15 4G
  • Larger display: 6.9in

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB
- 6/128 GB
- 8/256 GB

Review

Key Specs Realme 15 5G and Xiaomi Redmi 15 4G
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type OLED IPS LCD
Size 6.8 in 6.9 in
Resolution 1280x2800 pixels 1080x2340 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 453 ppi 374 ppi
Refresh rate 144 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max brightness 1800 nits n/a
HDR support Yes, HDR10+ No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 91.9 % 83.1 %
Features - DCI-P3
- Always-On Display
- DC dimming
n/a

Design & Build

Design and ergonomics comparison
Height 162.27 mm (6.39 in) 171.1 mm (6.74 in)
Width 76.16 mm (3 in) 82.1 mm (3.23 in)
Thickness 7.66 mm (0.3 in) 8.6 mm (0.34 in)
Weight 187 g (6.6 oz) 224 g (7.9 oz)
Water resistance IP68 IP64
Back panel n/a Plastic
Frame Plastic Plastic
Colors - Silver
- Green
- Purple
- Black
- Gray
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Button
Screen-to-body ratio
Realme 15 5G
91.9 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing Realme 15 5G and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset MediaTek Dimensity 7300 Plus Qualcomm Snapdragon 685
Max Frequency 2600 MHz 2800 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)
- 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 4 nm 6 nm
Neural Processor MediaTek APU 655 Hexagon 686
Graphics Mali-G615 MP2 Adreno 610
GPU Cores 256 128
GPU Frequency 1047 MHz 1260 MHz
FLOPS 536.1 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 15 5G
1014
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
Realme 15 5G
2916
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)1014475
Geekbench 6 (Multi-Core)29161514
Geekbench Compute (GPU)2497n/a
AnTuTu 10
AnTuTu 10
Realme 15 5G
728221
Xiaomi Redmi 15 4G
380990
CPU212437114885
GPU14903257988
Memory185085103236
UX181667104881
NanoReview Score728221380990

Memory

RAM
RAM Size 8 GB 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 3.1UFS 2.2
Memory CardNoMicroSD

Software

OS Android 15 Android 15
UI Skin Realme UI 6.0 HyperOS 2.0

Battery

Volume 7000 mAh 7000 mAh
Max Charging Power 80 W 33 W
Battery Type Li-ion n/a
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Yes

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Wide-angle lens 112 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
Bokeh effect
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length24 mmn/a
SensorSony IMX896n/a
Sensor size1/2n/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length16 mmn/a
StabilizationDigitaln/a

Front camera

Matrix 50 MP 8 MP
Photo resolution 8192x6144 pixels n/a
Aperture n/a f/2.0
Sensor CMOS n/a
Autofocus n/a No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* No Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzn/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B40/B41)n/a
5G SupportYesNo

Sound

3.5 mm Jack No Yes
FM Radio No No

Other

Class Mid-range Budget
Announced July, 2025 yr August, 2025 yr
Release Date July, 2025 yr August, 2025 yr
MSRP ($) 280 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 80 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme 15 5G the clear winner in this comparison.

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