Home Phone comparison Xiaomi 12S Ultra and Vivo iQOO 15R - Which is better?

Xiaomi 12S Ultra vs Vivo iQOO 15R

74 out 100
Xiaomi 12S Ultra
VS
88 out 100
Vivo iQOO 15R
Xiaomi 12S Ultra
Vivo iQOO 15R

Compared 2 smartphones : Xiaomi 12S Ultra Manufactured in July, 2022, with display 6.73 with chipsetQualcomm Snapdragon 8 Plus Gen 1, vs Vivo iQOO 15R, Manufactured in March, 2026with chipsetQualcomm Snapdragon 8 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 Ultra
  • Larger display: 6.73in
  • Higher pixel density: 521ppi
  • Supports Dolby Atmos
Reasons to choose Vivo iQOO 15R
  • Higher refresh rate: 144Hz
  • Lighter design: 202g vs 225g
  • Higher battery capacity: 7600mAh vs 4860mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports DisplayPort

Versions

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

Review

Key Specs Xiaomi 12S Ultra and Vivo iQOO 15R
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
Vivo iQOO 15R

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.59 in
Resolution 1440x3200 pixels 1260x2750 pixels
Aspect ratio 20:9 19.5:9
Pixel density 521 ppi 459 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 1000 nits n/a
HDR support Yes HDR10+ Yes, HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.4 % 90.8 %
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
Vivo iQOO 15R
n/a
sRGB gamut99.7 %n/a
PWM (Flicker)186 Hzn/a
Response time2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 12S Ultra]

Design & Build

Design and ergonomics comparison
Height 163.17 mm (6.42 in) 157.61 mm (6.21 in)
Width 74.92 mm (2.95 in) 74.42 mm (2.93 in)
Thickness 9.06 mm (0.36 in) 7.9 mm (0.31 in)
Weight 225 g (7.94 oz) 202 g (7.13 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel n/a Plastic
Frame Metal Metal
Colors - Black
- Green		 - Black
- Silver
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 12S Ultra
89.4 %
Vivo iQOO 15R
90.8 %

Performance

Testing Xiaomi 12S Ultra and Vivo iQOO 15R In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Plus Gen 1 Qualcomm Snapdragon 8 Gen 5
Max Frequency 3190 MHz 3000 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)		 6/3.32 ()
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 730 Adreno 829
GPU Cores 1024 1024
GPU Frequency 900 MHz 1200 MHz
FLOPS 1843.2 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12S Ultra
1458
Vivo iQOO 15R
2698
Geekbench 6 (Multi-Core)
Xiaomi 12S Ultra
3970
Vivo iQOO 15R
8830
Geekbench 6 (Single-Core)14582698
Geekbench 6 (Multi-Core)39708830
Geekbench Compute (GPU)n/a21113
Sources: Geekbench v6 [Xiaomi 12S Ultra], [Vivo iQOO 15R]
AnTuTu 10
AnTuTu 10
Xiaomi 12S Ultra
1234229
Vivo iQOO 15R
3272562
CPU3312761018344
GPU485862997845
Memory182917433367
UX234174823006
NanoReview Score12342293272562
3DMark Wild Life
3DMark Wild Life
Xiaomi 12S Ultra
9860
Vivo iQOO 15R
n/a
Max Surface Temp.49.2 °Cn/a
Stability70 %n/a
Graphics Test59 fpsn/a
Graphics Score9860n/a
Sources: 3DMark [Xiaomi 12S Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi 12S Ultra
13365
Vivo iQOO 15R
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
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz n/a
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 12 Android 16
OS Size 32 GB n/a
UI Skin MIUI 13 OriginOS 6

Battery

Volume 4860 mAh 7600 mAh
Max Charging Power 67 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (73% in 30 min) Yes (46% in 30 min)
Full Charge Time 0:50 h 1:04 h
Battery Life Test
Battery Life
Xiaomi 12S Ultra
21:00
Vivo iQOO 15R
n/a
Web Browsing08:46 hn/a
Video Playback13:01 hn/a
Games05:25 hn/a
Standby Mode96 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Optical, 5x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Up to 24FPS No
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) n/a
Wide-angle lens 128 ° n/a
Lenses count Standard: 50 MP
Telephoto: 48 MP
Ultra-wide: 48 MP
Depth: 0.3 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length23 mmn/a
SensorSony IMX989n/a
Sensor size1/1n/a
Pixel size1.6 μmn/a
AutofocusLaser autofocusPhase autofocus
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 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm15 mm
SensorSony IMX586n/a
Sensor size1/2.01/4.0 (0.25)
Pixel size0.8 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 12S Ultra
137
Vivo iQOO 15R
n/a
Video quality
Xiaomi 12S Ultra
129
Vivo iQOO 15R
n/a
Overall camera score
Xiaomi 12S Ultra
136
Vivo iQOO 15R
n/a
Bokeh65n/a
Preview63n/a
Zoom136n/a
Sources: DxOMark [Xiaomi 12S Ultra]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.5 f/2.2
Focal length 26 mm n/a
Sensor Omnivision OV32C n/a
Sensor size 1/3.2 n/a
Pixel size 0.7 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi 12S Ultra
103
Vivo iQOO 15R
n/a
Video quality
Xiaomi 12S Ultra
132
Vivo iQOO 15R
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (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 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
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 Bandsn/aGSM 850/900/1800MHz
3G Bandsn/aWCDMA B1/B5/B6/B8/B19
LTE Bands*n/aLTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B32/B71)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 12S Ultra
83.2 dB
Vivo iQOO 15R
n/a

Other

Class Flagship Mid-range
Announced July, 2022 yr February, 2026 yr
Release Date July, 2022 yr March, 2026 yr
Launch Price ($) 890 n/a
MSRP ($) n/a 495
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, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo iQOO 15R the clear winner in this comparison.

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