Home Phone comparison Xiaomi 12S and OnePlus 15 - Which is better?

Xiaomi 12S vs OnePlus 15

69 out 100
Xiaomi 12S
VS
91 out 100
OnePlus 15
Xiaomi 12S
OnePlus 15

Compared 2 smartphones : Xiaomi 12S Manufactured in July, 2022, with display 6.28 with chipsetQualcomm Snapdragon 8 Plus Gen 1, vs OnePlus 15, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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
  • Lighter design: 182g vs 211g
  • Supports Dolby Atmos
Reasons to choose OnePlus 15
  • Larger display: 6.78in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7300mAh vs 4500mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi 12S and OnePlus 15
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
vs
OnePlus 15

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.28 in 6.78 in
Resolution 1080x2400 pixels 1272x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 419 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 500 nits 1800 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 89.3 % 91.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 152.7 mm (6.01 in) 161.4 mm (6.35 in)
Width 69.9 mm (2.75 in) 76.7 mm (3.02 in)
Thickness 8.16 mm (0.32 in) 8.1 mm (0.32 in)
Weight 182 g (6.42 oz) 211 g (7.44 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Green
- Purple		 - Black
- Gold
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 12S
89.3 %
OnePlus 15
91.2 %

Performance

Testing Xiaomi 12S and OnePlus 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Plus Gen 1 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 3190 MHz 4600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A510)
- 3/2.75 (Cortex-A710)
- 1/3.2 (Cortex-X2)		 6/3.63 ()
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 730 Adreno 840
GPU Cores 1024 1536
GPU Frequency 900 MHz 1200 MHz
FLOPS 1843.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12S
1836
OnePlus 15
3726
Geekbench 6 (Multi-Core)
Xiaomi 12S
4622
OnePlus 15
11199
Geekbench 6 (Single-Core)18363726
Geekbench 6 (Multi-Core)462211199
Geekbench Compute (GPU)n/a27829
Sources: Geekbench v6 [Xiaomi 12S], [OnePlus 15]
AnTuTu 10
AnTuTu 10
Xiaomi 12S
1225350
OnePlus 15
3434737
CPU326540968935
GPU4702771235307
Memory191951489823
UX236618740672
NanoReview Score12253503434737
3DMark Wild Life
3DMark Wild Life
Xiaomi 12S
10272
OnePlus 15
n/a
Stability65 %n/a
Graphics Test61 fpsn/a
Graphics Score10272n/a
Sources: 3DMark [Xiaomi 12S]
PCMark 3.0
PCMark 3.0
Xiaomi 12S
13652
OnePlus 15
n/a
Writing score16026n/a
Web score11897n/a
Video editing7465n/a
Data manipulation9954n/a
NanoReview Score13652n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 12 Android 16
UI Skin MIUI 13 OxygenOS 16

Battery

Volume 4500 mAh 7300 mAh
Max Charging Power 67 W 120 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes, (Wireless)
Fast Charging Yes (33% in 10 min) Yes (50% in 15 min)
Full Charge Time 0:50 h 0:43 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 3.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) n/a
Wide-angle lens 123 ° 116 °
Lenses count Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length24 mm24 mm
SensorSony IMX707Sony LYTIA-T808
Sensor size1/1.281/1.56
Pixel size1.22 μm1 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix13 MP50 MP
Aperturef/2.4f/2.0
Focal length15 mm15 mm
SensorOmnivision OV13B10Samsung S5KJN5
Sensor size1/3.061/2.76
Pixel size1.12 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6560x4928 pixels
Aperture f/2.5 f/2.4
Focal length 26 mm 21 mm
Sensor Omnivision OV32B Sony IMX615
Sensor size 1/3 1/2.74
Pixel size 0.7 μm 0.8 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
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 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
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 *NoYes
Hybrid SlotNoNo
2G BandsGSM B2 / B3 / B5 / B8n/a
3G BandsWCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B34/B38/B39/B40/B41/B42)n/a
LTE category20n/a
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced July, 2022 yr October, 2025 yr
Release Date July, 2022 yr October, 2025 yr
Launch Price ($) 600 n/a
MSRP ($) n/a 899
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, 120 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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