Home Phone comparison Xiaomi Redmi Note 12 and Realme 15T - Which is better?

Xiaomi Redmi Note 12 vs Realme 15T

52 out 100
Xiaomi Redmi Note 12
VS
66 out 100
Realme 15T
Xiaomi Redmi Note 12
Realme 15T

Compared 2 smartphones : Xiaomi Redmi Note 12 Manufactured in March, 2023, with display 6.67 with chipsetQualcomm Snapdragon 685, vs Realme 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 6400 Max. 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 Xiaomi Redmi Note 12
  • Larger display: 6.67in
Reasons to choose Realme 15T
  • Higher pixel density: 401ppi
  • Lighter design: 181g vs 183.5g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi Redmi Note 12 and Realme 15T
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
Smartphones:
Xiaomi Redmi Note 12
vs
Realme 15T

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.67 in 6.57 in
Resolution 1080x2400 pixels 1080x2372 pixels
Aspect ratio 20:9 20:9
Pixel density 395 ppi 401 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 1200 nits 4000 nits
HDR support No No
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 85.3 % 87.6 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi Note 12
741 nits
Realme 15T
n/a
sRGB gamut100 %n/a
PWM (Flicker)484 Hzn/a
Response time5 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Redmi Note 12]

Design & Build

Design and ergonomics comparison
Height 165.66 mm (6.52 in) 158.36 mm (6.23 in)
Width 75.96 mm (2.99 in) 75.19 mm (2.96 in)
Thickness 7.85 mm (0.31 in) 7.79 mm (0.31 in)
Weight 183.5 g (6.47 oz) 181 g (6.38 oz)
Water resistance IP53 IP69
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gray
- Blue
- Green		 - Silver
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 12
85.3 %
Realme 15T
87.6 %

Performance

Testing Xiaomi Redmi Note 12 and Realme 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 685 MediaTek Dimensity 6400 Max
Max Frequency 2800 MHz 2500 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)		 - 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor Hexagon 686 Yes
Graphics Adreno 610 Mali-G57 MP2
GPU Cores 128 64
GPU Frequency 1260 MHz 1072 MHz
FLOPS 319.2 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 12
375
Realme 15T
808
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 12
1494
Realme 15T
2046
Geekbench 6 (Single-Core)375808
Geekbench 6 (Multi-Core)14942046
Geekbench Compute (GPU)n/a1424
Sources: Geekbench v6 [Realme 15T]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 12
346691
Realme 15T
605158
CPU117343223513
GPU4297948052
Memory113571167188
UX72798166405
NanoReview Score346691605158
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 12
641
Realme 15T
n/a
Max Surface Temp.40.9 °Cn/a
Stability99 %n/a
Graphics Test3 fpsn/a
Graphics Score641n/a
Sources: 3DMark [Xiaomi Redmi Note 12]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 12
8890
Realme 15T
n/a
Writing score10190n/a
Web score8571n/a
Video editing4771n/a
Data manipulation7223n/a
NanoReview Score8890n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 8 GB		 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
- 256 GB		128 GB
Storage TypeUFS 2.2UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 15
OS Size 21 GB n/a
UI Skin HyperOS 2.0 Realme UI 6.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 33 W 60 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (55% in 30 min) Yes
Full Charge Time 1:11 h n/a
Battery Life Test
Battery Life
Xiaomi Redmi Note 12
23:06
Realme 15T
n/a
Web Browsing08:20 hn/a
Video Playback15:10 hn/a
Games05:33 hn/a
Standby Mode113 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 120 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal lengthn/a27 mm
SensorSamsung S5KJN1Omnivision OV50D40 Light Hunter 400
Sensor size1/2.761/2.88
Pixel size0.64 μm0.61 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
SensorOmnivision OV08D10n/a
Sensor size1/4n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 13 MP 50 MP
Photo resolution 4128x3096 pixels 8192x6144 pixels
Aperture f/2.5 f/1.8
Focal length n/a 27 mm
Sensor CMOS Omnivision OV50D40 Light Hunter 400
Sensor size 1/3.0 1/2.88
Pixel size 1.12 μm 0.61 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 60 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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 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 n/a No
GPS - GPS
- GLONASS
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Varies by region
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 1800 1900MHzGSM 850/900/1800MHz
3G BandsWCDMA 1/5/8WCDMA 1/5/8
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B3/B5/B8/B40/B41)
LTE category13n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Redmi Note 12
81.3 dB
Realme 15T
n/a

Other

Class Mid-range Mid-range
Announced March, 2023 yr September, 2025 yr
Release Date March, 2023 yr September, 2025 yr
Launch Price ($) 229 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W Yes, 60 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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