Home Phone comparison Xiaomi 12S Ultra and Xiaomi 12X - Which is better?

Xiaomi 12S Ultra vs Xiaomi 12X

74 out 100
Xiaomi 12S Ultra
VS
63 out 100
Xiaomi 12X
Xiaomi 12S Ultra
Xiaomi 12X

Compared 2 smartphones : Xiaomi 12S Ultra Manufactured in July, 2022, with display 6.73 with chipsetQualcomm Snapdragon 8 Plus Gen 1, vs Xiaomi 12X, Manufactured in December, 2021with chipsetQualcomm Snapdragon 870. 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 12S Ultra
  • Larger display: 6.73in
  • Higher pixel density: 521ppi
  • Higher battery capacity: 4860mAh vs 4500mAh
  • Newer Bluetooth version: 5.2 vs 5.1
Reasons to choose Xiaomi 12X
  • Lighter design: 176g vs 225g

Versions

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

Review

Key Specs Xiaomi 12S Ultra and Xiaomi 12X
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 12S Ultra
vs
Xiaomi 12X

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.28 in
Resolution 1440x3200 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 521 ppi 419 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
Max brightness 1000 nits 500 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 89.4 % 89.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 12S Ultra
1064 nits
Xiaomi 12X
924 nits
sRGB gamut99.7 %98.6 %
PWM (Flicker)186 Hz523 Hz
Response time2 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 12S Ultra], [Xiaomi 12X]

Design & Build

Design and ergonomics comparison
Height 163.17 mm (6.42 in) 152.7 mm (6.01 in)
Width 74.92 mm (2.95 in) 69.9 mm (2.75 in)
Thickness 9.06 mm (0.36 in) 8.16 mm (0.32 in)
Weight 225 g (7.94 oz) 176 g (6.21 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel n/a Glass
Frame Metal Metal
Colors - Black
- Green		 - Black
- Blue
- Pink
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 12S Ultra
89.4 %
Xiaomi 12X
89.3 %

Performance

Testing Xiaomi 12S Ultra and Xiaomi 12X In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Plus Gen 1 Qualcomm Snapdragon 870
Max Frequency 3190 MHz 3200 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A510)
- 3/2.75 (Cortex-A710)
- 1/3.2 (Cortex-X2)		 - 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))
Process TSMC TSMC
Transistor Size 4 nm 7 nm
Neural Processor Hexagon Hexagon 698
Graphics Adreno 730 Adreno 650
GPU Cores 1024 768
GPU Frequency 900 MHz 670 MHz
FLOPS 1843.2 GFLOPS 1029.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12S Ultra
1458
Xiaomi 12X
1297
Geekbench 6 (Multi-Core)
Xiaomi 12S Ultra
3970
Xiaomi 12X
3428
Geekbench 6 (Single-Core)14581297
Geekbench 6 (Multi-Core)39703428
Sources: Geekbench v6 [Xiaomi 12S Ultra], [Xiaomi 12X]
AnTuTu 10
AnTuTu 10
Xiaomi 12S Ultra
1234229
Xiaomi 12X
806389
CPU331276237508
GPU485862235693
Memory182917153330
UX234174179858
NanoReview Score1234229806389
3DMark Wild Life
3DMark Wild Life
Xiaomi 12S Ultra
9860
Xiaomi 12X
4251
Max Surface Temp.49.2 °C37.6 °C
Stability70 %98 %
Graphics Test59 fps25 fps
Graphics Score98604251
Sources: 3DMark [Xiaomi 12S Ultra], [Xiaomi 12X]
PCMark 3.0
PCMark 3.0
Xiaomi 12S Ultra
13365
Xiaomi 12X
n/a
Writing score15792n/a
Web score11773n/a
Video editing7444n/a
Data manipulation9984n/a
NanoReview Score13365n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 8 GB
- 12 GB
Memory Type LPDDR5 LPDDR5
Memory Frequency 3200 MHz n/a
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB		- 128 GB
- 256 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardNoNo

Software

OS Android 12 Android 11 (Upgradeable to Android 13)
OS Size 32 GB 29.3 GB
UI Skin MIUI 13 HyperOS 1.0

Battery

Volume 4860 mAh 4500 mAh
Max Charging Power 67 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (73% in 30 min) Yes (78% in 30 min)
Full Charge Time 0:50 h 0:48 h
Battery Life Test
Battery Life
Xiaomi 12S Ultra
21:00
Xiaomi 12X
22:44
Web Browsing08:46 h09:35 h
Video Playback13:01 h14:39 h
Games05:25 h05:35 h
Standby Mode96 h101 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8700x5800 pixels
Zoom Optical, 5x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS Up to 24FPS
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 3840 fps (720p) 960 fps (720p)
Wide-angle lens 128 ° 123 °
Lenses count Standard: 50 MP
Telephoto: 48 MP
Ultra-wide: 48 MP
Depth: 0.3 MP		 Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.9
Focal length23 mm26 mm
SensorSony IMX989Sony IMX766
Sensor size1/11/1.56
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix48 MPn/a
Aperturef/4.1n/a
Focal length120 mmn/a
SensorSony IMX586n/a
Sensor size1/2.0n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix48 MP13 MP
Aperturef/2.2f/2.4
Focal length13 mm12 mm
SensorSony IMX586OmniVision OV13B10
Sensor size1/2.01/3.06
Pixel size0.8 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 12S Ultra
137
Xiaomi 12X
n/a
Video quality
Xiaomi 12S Ultra
129
Xiaomi 12X
n/a
Overall camera score
Xiaomi 12S Ultra
136
Xiaomi 12X
n/a
Bokeh65n/a
Preview63n/a
Zoom136n/a
Sources: DxOMark [Xiaomi 12S Ultra]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6528x4896 pixels
Aperture f/2.5 f/2.4
Focal length 26 mm 26 mm
Sensor Omnivision OV32C OmniVision OV32B40
Sensor size 1/3.2 1/3
Pixel size 0.7 μm 0.7 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
Selfie camera DxOMark results
Photo quality
Xiaomi 12S Ultra
103
Xiaomi 12X
n/a
Video quality
Xiaomi 12S Ultra
132
Xiaomi 12X
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 5.2 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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *Non/a
Hybrid SlotNoNo
2G Bandsn/aGSM 850 900 1800 1900 MHz
3G Bandsn/aWCDMA B1/2/4/5/6/8/19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 12S Ultra
83.2 dB
Xiaomi 12X
90.1 dB

Other

Class Flagship Flagship
Announced July, 2022 yr December, 2021 yr
Release Date July, 2022 yr December, 2021 yr
Launch Price ($) 890 650
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W Yes 67 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 12S Ultra the clear winner in this comparison.

Survey

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

User comments

Share your opinion or ask questions below