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

OnePlus 12 vs Xiaomi 12S Ultra

86 out 100
OnePlus 12
VS
74 out 100
Xiaomi 12S Ultra
OnePlus 12
Xiaomi 12S Ultra

Compared 2 smartphones : OnePlus 12 Manufactured in February, 2024, with display 6.82 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi 12S Ultra, Manufactured in July, 2022 with chipsetQualcomm Snapdragon 8 Plus Gen 1. 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 OnePlus 12
  • Larger display: 6.82in
  • Lighter design: 220g vs 225g
  • Higher battery capacity: 5400mAh vs 4860mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi 12S Ultra
  • Higher pixel density: 521ppi

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs OnePlus 12 and Xiaomi 12S Ultra
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:
OnePlus 12
vs
Xiaomi 12S Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.82 in 6.73 in
Resolution 1440x3168 pixels 1440x3200 pixels
Aspect ratio 19.8:9 20:9
Pixel density 510 ppi 521 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 1600 nits 1000 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 91.3 % 89.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
OnePlus 12
1149 nits
Xiaomi 12S Ultra
1064 nits
sRGB gamut99.5 %99.7 %
PWM (Flicker)n/a186 Hz
Response time11 ms2 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [OnePlus 12], [Xiaomi 12S Ultra]

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 163.17 mm (6.42 in)
Width 75.8 mm (2.98 in) 74.92 mm (2.95 in)
Thickness 9.15 mm (0.36 in) 9.06 mm (0.36 in)
Weight 220 g (7.76 oz) 225 g (7.94 oz)
Water resistance IP65 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Black
- Green		 - Black
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
OnePlus 12
91.3 %
Xiaomi 12S Ultra
89.4 %

Performance

Testing OnePlus 12 and Xiaomi 12S Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Qualcomm Snapdragon 8 Plus Gen 1
Max Frequency 3300 MHz 3190 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (1 + 3 + 4)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 - 4/2 (Cortex-A510)
- 3/2.75 (Cortex-A710)
- 1/3.2 (Cortex-X2)
Process TSMC TSMC
Transistor Size 4 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 750 Adreno 730
GPU Cores 1536 1024
GPU Frequency 903-1000 MHz 900 MHz
FLOPS 2774 GFLOPS 1843.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 12
2314
Xiaomi 12S Ultra
1458
Geekbench 6 (Multi-Core)
OnePlus 12
7063
Xiaomi 12S Ultra
3970
Geekbench 6 (Single-Core)23141458
Geekbench 6 (Multi-Core)70633970
Sources: Geekbench v6 [OnePlus 12], [Xiaomi 12S Ultra]
AnTuTu 10
AnTuTu 10
OnePlus 12
1927806
Xiaomi 12S Ultra
1234229
CPU375207331276
GPU822387485862
Memory389261182917
UX340951234174
NanoReview Score19278061234229
3DMark Wild Life
3DMark Wild Life
OnePlus 12
17208
Xiaomi 12S Ultra
9860
Max Surface Temp.50.5 °C49.2 °C
Stability70 %70 %
Graphics Test103 fps59 fps
Graphics Score172089860
Sources: 3DMark [OnePlus 12], [Xiaomi 12S Ultra]
PCMark 3.0
PCMark 3.0
OnePlus 12
13384
Xiaomi 12S Ultra
13365
Writing score1754015792
Web score1238511773
Video editing62007444
Data manipulation135859984
NanoReview Score1338413365

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 24 GB		 - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 4266 MHz 3200 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 12
OS Size 30 GB 32 GB
UI Skin OxygenOS 15 MIUI 13

Battery

Volume 5400 mAh 4860 mAh
Max Charging Power 100 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (50 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (70% in 15 min) Yes (73% in 30 min)
Full Charge Time 0:24 h 0:50 h
Battery Life Test
Battery Life
OnePlus 12
28:16
Xiaomi 12S Ultra
21:00
Web Browsing13:10 h08:46 h
Video Playback18:49 h13:01 h
Games06:05 h05:25 h
Standby Mode114 h96 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels n/a
Zoom Optical, 3x Optical, 5x
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 960 fps (1080p) 3840 fps (720p)
Wide-angle lens 114 ° 128 °
Lenses count Standard: 50 MP
Telephoto: 64 MP
Ultra-wide: 48 MP		 Standard: 50 MP
Telephoto: 48 MP
Ultra-wide: 48 MP
Depth: 0.3 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.9
Focal length23 mm23 mm
SensorSony LYT-T808Sony IMX989
Sensor size1/1.431/1
Pixel size1.12 μm1.6 μm
AutofocusPhase autofocus (Dual Pixel)Laser autofocus
StabilizationOpticalOptical
Telephoto
Matrix64 MP48 MP
Aperturef/2.6f/4.1
Focal length70 mm120 mm
SensorOmnivision OV64BSony IMX586
Sensor size1/21/2.0
Pixel size0.7 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix48 MP48 MP
Aperturef/2.2f/2.2
Focal length14 mm13 mm
SensorSony IMX581Sony IMX586
Sensor size1/21/2.0
Pixel size0.8 μm0.8 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
OnePlus 12
n/a
Xiaomi 12S Ultra
137
Video quality
OnePlus 12
n/a
Xiaomi 12S Ultra
129
Overall camera score
OnePlus 12
n/a
Xiaomi 12S Ultra
136
Bokehn/a65
Previewn/a63
Zoomn/a136
Sources: DxOMark [Xiaomi 12S Ultra]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6560x4928 pixels 6528x4896 pixels
Aperture f/2.4 f/2.5
Focal length 21 mm 26 mm
Sensor Sony IMX615 Omnivision OV32C
Sensor size 1/2.74 1/3.2
Pixel size 0.8 μm 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
OnePlus 12
n/a
Xiaomi 12S Ultra
103
Video quality
OnePlus 12
n/a
Xiaomi 12S Ultra
132

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (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 5.4 5.2
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B/B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B28B/B30/B32/B66/B71)n/a
LTE category2020
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced December, 2023 yr July, 2022 yr
Release Date February, 2024 yr July, 2022 yr
Launch Price ($) 799 890
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 100 W Yes 67 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus 12 the clear winner in this comparison.

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