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

Xiaomi 12X vs Xiaomi Redmi 15 5G

63 out 100
Xiaomi 12X
VS
61 out 100
Xiaomi Redmi 15 5G
Xiaomi 12X
Xiaomi Redmi 15 5G

Compared 2 smartphones : Xiaomi 12X Manufactured in December, 2021, with display 6.28 with chipsetQualcomm Snapdragon 870, vs Xiaomi Redmi 15 5G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 6s 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 12X
  • Higher pixel density: 419ppi
  • Lighter design: 176g vs 224g
  • Supports Dolby Atmos
Reasons to choose Xiaomi Redmi 15 5G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 4500mAh

Versions

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

Review

Key Specs Xiaomi 12X and Xiaomi Redmi 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
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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:
Xiaomi 12X
vs
Xiaomi Redmi 15 5G

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.28 in 6.9 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 419 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max brightness 500 nits n/a
HDR support Yes HDR10+ No
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 89.3 % 83.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Xiaomi 12X
924 nits
Xiaomi Redmi 15 5G
n/a
sRGB gamut98.6 %n/a
PWM (Flicker)523 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 12X]

Design & Build

Design and ergonomics comparison
Height 152.7 mm (6.01 in) 171.1 mm (6.74 in)
Width 69.9 mm (2.75 in) 82.1 mm (3.23 in)
Thickness 8.16 mm (0.32 in) 8.6 mm (0.34 in)
Weight 176 g (6.21 oz) 224 g (7.9 oz)
Water resistance No IP64
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Blue
- Pink		 - Black
- Gray
- Green
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Xiaomi 12X
89.3 %
Xiaomi Redmi 15 5G
83.1 %

Performance

Testing Xiaomi 12X and Xiaomi Redmi 15 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 870 Qualcomm Snapdragon 6s Gen 3
Max Frequency 3200 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))		 - 6/2 (Cortex-A55)
- 2/2.3 (Cortex-A78)
Process TSMC TSMC
Transistor Size 7 nm 6 nm
Neural Processor Hexagon 698 Hexagon
Graphics Adreno 650 Adreno 619
GPU Cores 768 256
GPU Frequency 670 MHz 900 MHz
FLOPS 1029.1 GFLOPS 460.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12X
1297
Xiaomi Redmi 15 5G
935
Geekbench 6 (Multi-Core)
Xiaomi 12X
3428
Xiaomi Redmi 15 5G
2109
Geekbench 6 (Single-Core)1297935
Geekbench 6 (Multi-Core)34282109
Sources: Geekbench v6 [Xiaomi 12X]
AnTuTu 10
AnTuTu 10
Xiaomi 12X
806389
Xiaomi Redmi 15 5G
473154
CPU237508153170
GPU23569391687
Memory15333099792
UX179858128505
NanoReview Score806389473154
3DMark Wild Life
3DMark Wild Life
Xiaomi 12X
4251
Xiaomi Redmi 15 5G
n/a
Max Surface Temp.37.6 °Cn/a
Stability98 %n/a
Graphics Test25 fpsn/a
Graphics Score4251n/a
Sources: 3DMark [Xiaomi 12X]

Memory

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

Software

OS Android 11 (Upgradeable to Android 13) Android 15
OS Size 29.3 GB n/a
UI Skin HyperOS 1.0 HyperOS 2.0

Battery

Volume 4500 mAh 7000 mAh
Max Charging Power 67 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (78% in 30 min) Yes
Full Charge Time 0:48 h n/a
Battery Life Test
Battery Life
Xiaomi 12X
22:44
Xiaomi Redmi 15 5G
n/a
Web Browsing09:35 hn/a
Video Playback14:39 hn/a
Games05:35 hn/a
Standby Mode101 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8700x5800 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 960 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
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length26 mmn/a
SensorSony IMX766n/a
Sensor size1/1.56n/a
Pixel size1 μmn/a
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

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
Sensor size 1/3 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 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 5.1 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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *n/aNo
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/B26/B28/B32/B66)n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 12X
90.1 dB
Xiaomi Redmi 15 5G
n/a

Other

Class Flagship Mid-range
Announced December, 2021 yr August, 2025 yr
Release Date December, 2021 yr August, 2025 yr
Launch Price ($) 650 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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