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

Xiaomi 12 vs Xiaomi Redmi Note 15 5G

65 out 100
Xiaomi 12
VS
63 out 100
Xiaomi Redmi Note 15 5G
Xiaomi 12
Xiaomi Redmi Note 15 5G

Compared 2 smartphones : Xiaomi 12 Manufactured in December, 2021, with display 6.28 with chipsetQualcomm Snapdragon 8 Gen 1, vs Xiaomi Redmi Note 15 5G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 6 Gen 3. 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 12
  • Higher pixel density: 419ppi
  • Newer Bluetooth version: 5.2 vs 5.1
  • Supports Dolby Atmos
Reasons to choose Xiaomi Redmi Note 15 5G
  • Larger display: 6.77in
  • Lighter design: 178g vs 180g
  • Higher battery capacity: 5800mAh vs 4500mAh

Versions

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

Review

Key Specs Xiaomi 12 and Xiaomi Redmi Note 15 5G
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 12
vs
Redmi Note 15 5G

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.28 in 6.77 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 n/a
Pixel density 419 ppi 388 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 500 nits n/a
HDR support Yes HDR10+ No
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 89.3 % 89.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 DCI-P3
Display test
Peak brightness (auto)
Xiaomi 12
887 nits
Xiaomi Redmi Note 15 5G
n/a

Design & Build

Design and ergonomics comparison
Height 152.7 mm (6.01 in) 165 mm (6.5 in)
Width 69.9 mm (2.75 in) 75.4 mm (2.97 in)
Thickness 8.16 mm (0.32 in) 7.4 mm (0.29 in)
Weight 180 g (6.35 oz) 178 g (6.28 oz)
Water resistance No IP68
Back panel Glass n/a
Frame Metal Plastic
Colors - Black
- Blue
- Pink		 - White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 12
89.3 %
Xiaomi Redmi Note 15 5G
89.1 %

Performance

Testing Xiaomi 12 and Xiaomi Redmi Note 15 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 1 Qualcomm Snapdragon 6 Gen 3
Max Frequency 3000 MHz 2400 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Cortex-A510)
- 3/2.5 (Cortex-A710)
- 1/3 (Cortex-X2)		 - 4/1.8 (Cortex-A55)
- 4/2.4 (Cortex-A78)
Process Samsung Samsung
Transistor Size 4 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 730 Adreno 710
GPU Cores 1024 256
GPU Frequency 818 MHz 1010 MHz
FLOPS 1675.3 GFLOPS 517.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12
1702
Xiaomi Redmi Note 15 5G
1015
Geekbench 6 (Multi-Core)
Xiaomi 12
3977
Xiaomi Redmi Note 15 5G
2890
Geekbench 6 (Single-Core)17021015
Geekbench 6 (Multi-Core)39772890
Sources: Geekbench v6 [Xiaomi 12]
AnTuTu 10
AnTuTu 10
Xiaomi 12
1187033
Xiaomi Redmi Note 15 5G
608985
CPU308025200717
GPU439066141388
Memory237645118625
UX212297148255
NanoReview Score1187033608985
3DMark Wild Life
3DMark Wild Life
Xiaomi 12
8751
Xiaomi Redmi Note 15 5G
n/a
Stability60 %n/a
Graphics Test52 fpsn/a
Graphics Score8751n/a
Sources: 3DMark [Xiaomi 12]
PCMark 3.0
PCMark 3.0
Xiaomi 12
12987
Xiaomi Redmi Note 15 5G
n/a
Writing score14840n/a
Web score11534n/a
Video editing7452n/a
Data manipulation9643n/a
NanoReview Score12987n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 6 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 3200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		128 GB
Storage TypeUFS 3.1UFS 2.2
Memory CardNoNo

Software

OS Android 12 (Upgradeable to Android 14) Android 15
UI Skin HyperOS 1.0 HyperOS 2.0

Battery

Volume 4500 mAh 5800 mAh
Max Charging Power 67 W 45 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (87% in 30 min) Yes
Full Charge Time 0:46 h n/a
Battery Life Test
Battery Life
Xiaomi 12
15:58
Xiaomi Redmi Note 15 5G
n/a
Web Browsing06:17 hn/a
Video Playback10:46 hn/a
Games04:42 hn/a
Standby Mode71 hn/a

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 Up to 24FPS No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 1920 fps (720p) n/a
Wide-angle lens 123 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length26 mmn/a
SensorSony IMX766n/a
Sensor size1/1.561/2
Pixel size1 μm0.64 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix13 MPn/a
Aperturef/2.4n/a
Focal length12 mmn/a
SensorOmniVision OV13B10n/a
Sensor size1/3.06n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Xiaomi 12
118
Xiaomi Redmi Note 15 5G
n/a
Video quality
Xiaomi 12
121
Xiaomi Redmi Note 15 5G
n/a
Overall camera score
Xiaomi 12
113
Xiaomi Redmi Note 15 5G
n/a
Bokeh55n/a
Preview69n/a
Zoom72n/a
Sources: DxOMark [Xiaomi 12]

Front camera

Matrix 32 MP 8 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.4 f/2.0
Focal length 26 mm n/a
Sensor OmniVision OV32B40 n/a
Pixel size 0.7 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6E (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 5.2 5.1
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
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes 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 1800 1900 MHzn/a
3G BandsWCDMA B1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)n/a
LTE category20n/a
5G SupportYesYes

Sound

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

Other

Class Flagship Mid-range
Announced December, 2021 yr August, 2025 yr
Release Date December, 2021 yr August, 2025 yr
Launch Price ($) 580 n/a
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W Yes, 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below