Home Phone comparison Realme 12 5G and Xiaomi Redmi Note 15 4G - Which is better?

Realme 12 5G vs Xiaomi Redmi Note 15 4G

53 out 100
Realme 12 5G
VS
64 out 100
Xiaomi Redmi Note 15 4G
Realme 12 5G
Xiaomi Redmi Note 15 4G

Compared 2 smartphones : Realme 12 5G Manufactured in March, 2024, with display 6.72 with chipsetMediaTek Dimensity 6100 Plus, vs Xiaomi Redmi Note 15 4G, Manufactured in December, 2025 with chipsetMediaTek Helio G100 Ultra. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Realme 12 5G
  • Higher pixel density: 392ppi
  • Supports Dolby Atmos
  • Includes charger
Reasons to choose Xiaomi Redmi Note 15 4G
  • Larger display: 6.77in
  • Lighter design: 183.7g vs 188g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.2

Versions

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

Review

Key Specs Realme 12 5G and Xiaomi Redmi Note 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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Realme 12 5G
vs
Redmi Note 15 4G

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.72 in 6.77 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 n/a
Pixel density 392 ppi 388 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 950 nits n/a
HDR support No No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 86.5 % 89.7 %
Features DCI-P3 DCI-P3

Design & Build

Design and ergonomics comparison
Height 165.6 mm (6.52 in) 164 mm (6.46 in)
Width 76.1 mm (3 in) 75.4 mm (2.97 in)
Thickness 7.69 mm (0.3 in) 7.4 mm (0.29 in)
Weight 188 g (6.63 oz) 183.7 g (6.48 oz)
Water resistance IP54 IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Green
- Purple		 - Black
- Blue
- Green
- Purple
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Realme 12 5G
86.5 %
Xiaomi Redmi Note 15 4G
89.7 %

Performance

Testing Realme 12 5G and Xiaomi Redmi Note 15 4G In benchmarks
Processor
Chipset MediaTek Dimensity 6100 Plus MediaTek Helio G100 Ultra
Max Frequency 2200 MHz 2200 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)		 - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor Yes Yes
Graphics Mali-G57 MP2 Mali-G57 MP2
GPU Cores 128 64
GPU Frequency 950 MHz 1000 MHz
FLOPS 243.2 GFLOPS 128 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 12 5G
734
Xiaomi Redmi Note 15 4G
730
Geekbench 6 (Multi-Core)
Realme 12 5G
1930
Xiaomi Redmi Note 15 4G
2025
Geekbench 6 (Single-Core)734730
Geekbench 6 (Multi-Core)19302025
Geekbench Compute (GPU)1279n/a
Sources: Geekbench v6 [Realme 12 5G]
AnTuTu 10
AnTuTu 10
Realme 12 5G
427848
Xiaomi Redmi Note 15 4G
437184
CPU138397132724
GPU6222472238
Memory112012109980
UX115215122242
NanoReview Score427848437184

Memory

RAM
RAM Size - 6 GB
- 8 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		128 GB
Storage TypeUFS 2.2UFS 2.2
Memory CardMicroSDNo

Software

OS Android 14 Android 15
UI Skin Realme UI 5.0 HyperOS 2.0

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 45 W 33 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 30 min) Yes
Full Charge Time 1:17 h n/a

Main camera

Matrix 108 MP 108 MP
Photo resolution 12000x9000 pixels n/a
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) n/a
Lenses count Standard: 108 MP
Depth: 2 MP		 Standard: 108 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix108 MP108 MP
Aperturef/1.8f/1.7
Focal length24 mm24 mm
SensorSamsung HM6n/a
Sensor size1/1.671/1.67 (0.6)
Pixel sizen/a0.64 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 8 MP 20 MP
Aperture f/2.0 f/2.2
Focal length 26 mm n/a
Sensor n/a Omnivision OV02F
Sensor size n/a 1/5 (0.2)
Pixel size n/a 1.75 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.3
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 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Varies by region
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM 850/900/1800MHzn/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B28B/B40/B41)n/a
LTE category18n/a
5G SupportYesNo

Sound

Speakers Stereo n/a
3.5 mm Jack Yes No
FM Radio No Yes
Dolby Atmos Yes n/a

Other

Class Mid-range Mid-range
Announced March, 2024 yr December, 2025 yr
Release Date March, 2024 yr December, 2025 yr
Launch Price ($) 250 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi Note 15 4G the clear winner in this comparison.

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