Home Phone comparison Vivo X100 Ultra and Xiaomi 15S Pro - Which is better?

Vivo X100 Ultra vs Xiaomi 15S Pro

88 out 100
Vivo X100 Ultra
VS
95 out 100
Xiaomi 15S Pro
Vivo X100 Ultra
Xiaomi 15S Pro

Compared 2 smartphones : Vivo X100 Ultra Manufactured in May, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi 15S Pro, Manufactured in May, 2025 with chipsetXiaomi Xring O1. 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 Vivo X100 Ultra
  • Larger display: 6.78in
  • Supports Dolby Atmos
Reasons to choose Xiaomi 15S Pro
  • Higher pixel density: 521ppi
  • Lighter design: 216g vs 229g
  • Higher battery capacity: 6100mAh vs 5500mAh

Versions

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

Review

Key Specs Vivo X100 Ultra and Xiaomi 15S Pro
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.
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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:
Vivo X100 Ultra
vs
Xiaomi 15S Pro

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.73 in
Resolution 1440x3200 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 517 ppi 521 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 3000 nits n/a
HDR support Yes Dolby Vision Yes Dolby Vision
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 89.5 % 90 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Vivo X100 Ultra
1783 nits
Xiaomi 15S Pro
n/a

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 161.3 mm (6.35 in)
Width 75.6 mm (2.98 in) 75.3 mm (2.96 in)
Thickness 9.2 mm (0.36 in) 8.33 mm (0.33 in)
Weight 229 g (8.08 oz) 216 g (7.62 oz)
Water resistance IP69 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Gray		 - Black
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Vivo X100 Ultra
89.5 %
Xiaomi 15S Pro
90 %

Performance

Testing Vivo X100 Ultra and Xiaomi 15S Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Xiaomi Xring O1
Max Frequency 3300 MHz 3900 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 10 (2 + 4 + 2 + 2)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 - 2/1.8 (Cortex-A520)
- 2/1.9 (Cortex-A725)
- 4/3.4 (Cortex-A725)
- 2/3.9 (Cortex-X925)
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Yes
Graphics Adreno 750 Mali-G925 Immortalis MP12
GPU Cores 1536 1536
GPU Frequency 903-1000 MHz n/a
FLOPS 2774 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Vivo X100 Ultra
2292
Xiaomi 15S Pro
3068
Geekbench 6 (Multi-Core)
Vivo X100 Ultra
7005
Xiaomi 15S Pro
9519
Geekbench 6 (Single-Core)22923068
Geekbench 6 (Multi-Core)70059519
Geekbench Compute (GPU)n/a20919
Sources: Geekbench v6 [Vivo X100 Ultra], [Xiaomi 15S Pro]
AnTuTu 10
AnTuTu 10
Vivo X100 Ultra
1985404
Xiaomi 15S Pro
2650995
CPU454762653020
GPU7863081065137
Memory395610550763
UX348724382075
NanoReview Score19854042650995
3DMark Wild Life
3DMark Wild Life
Vivo X100 Ultra
16644
Xiaomi 15S Pro
n/a
Sources: 3DMark [Vivo X100 Ultra]
PCMark 3.0
PCMark 3.0
Vivo X100 Ultra
14201
Xiaomi 15S Pro
n/a
Writing score18970n/a
Web score10974n/a
Video editing6450n/a
Data manipulation12481n/a
NanoReview Score14201n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz 4800 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		512 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 15
UI Skin OriginOS 5 HyperOS 2.0

Battery

Volume 5500 mAh 6100 mAh
Max Charging Power 80 W 90 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (30 W) Yes (50 W)
Reverse Charging Yes Yes (Wireless)
Fast Charging Yes (65% in 30 min) Yes
Full Charge Time 0:48 h n/a
Battery Life Test
Battery Life
Vivo X100 Ultra
22:58
Xiaomi 15S Pro
n/a
Web Browsing10:19 hn/a
Video Playback14:26 hn/a
Games05:35 hn/a
Standby Mode99 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3.7x Optical, 5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 240 fps)
Slow Motion 960 fps (1080p) 960 fps (1080p)
Wide-angle lens 116 ° 115 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.4
Focal length23 mm23 mm
SensorSony LYT-900Omnivision OVX9000
Sensor size1/0.981/1.31
Pixel size1.6 μm1.2 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.7f/2.5
Focal length85 mm120 mm
SensorSamsung ISOCELL HP9Sony IMX858
Sensor size1/1.41/2.51
Pixel size0.56 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.2
Focal length14 mm14 mm
SensorSony LYT-600Samsung S5KJN1
Sensor size1/2.01/2.76
Pixel size0.7 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 32 MP
Photo resolution 8192x6144 pixels 6528x4896 pixels
Aperture f/2.5 f/2.0
Focal length 24 mm 22 mm
Sensor n/a Omnivision OV32B
Sensor size 1/2.76 1/3
Pixel size n/a 0.7 μm
Autofocus n/a Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - 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 B2 / B3 / B5 / B8
3G Bandsn/aWCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced May, 2024 yr May, 2025 yr
Release Date May, 2024 yr May, 2025 yr
Launch Price ($) 900 n/a
MSRP ($) n/a 1100
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 80 W Yes 90 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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