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

Xiaomi 15 Ultra vs Vivo X100 Pro

95 out 100
Xiaomi 15 Ultra
VS
86 out 100
Vivo X100 Pro
Xiaomi 15 Ultra
Vivo X100 Pro

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo X100 Pro, Manufactured in November, 2023with chipsetMediaTek Dimensity 9300. 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 15 Ultra
  • Higher pixel density: 522ppi
  • Higher battery capacity: 5410mAh vs 5400mAh
  • Newer Bluetooth version: 6.0 vs 5.4
Reasons to choose Vivo X100 Pro
  • Larger display: 6.78in
  • Lighter design: 225g vs 226g

Versions

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

Review

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

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.78 in
Resolution 1440x3200 pixels 1260x2800 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 452 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness n/a 3000 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 300 Hz 300 Hz
Screen-to-body ratio 90 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 15 Ultra
1599 nits
Vivo X100 Pro
1462 nits
sRGB gamut99.7 %99.8 %
PWM (Flicker)120 Hz369 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15 Ultra], [Vivo X100 Pro]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 164.05 mm (6.46 in)
Width 75.3 mm (2.96 in) 75.28 mm (2.96 in)
Thickness 9.35 mm (0.37 in) 8.91 mm (0.35 in)
Weight 226 g (7.97 oz) 225 g (7.94 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green		 - White
- Black
- Blue
- Orange
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Vivo X100 Pro
89.9 %

Performance

Testing Xiaomi 15 Ultra and Vivo X100 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9300
Max Frequency 4320 MHz 3250 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/2 (Cortex-A720)
- 3/2.85 (Cortex-X4)
- 1/3.25 (Cortex-X4)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon MediaTek APU 790
Graphics Adreno 830 Mali-G720 Immortalis MP12
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1300 MHz
FLOPS 3379.2 GFLOPS 3993.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Vivo X100 Pro
2231
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Vivo X100 Pro
7526
Geekbench 6 (Single-Core)30082231
Geekbench 6 (Multi-Core)90657526
Sources: Geekbench v6 [Xiaomi 15 Ultra], [Vivo X100 Pro]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Vivo X100 Pro
2152184
CPU558586490601
GPU1040161893392
Memory520300446780
UX425326321411
NanoReview Score25443732152184
3DMark Wild Life
3DMark Wild Life
Xiaomi 15 Ultra
n/a
Vivo X100 Pro
15478
Max Surface Temp.n/a51.1 °C
Stabilityn/a66 %
Graphics Testn/a92 fps
Graphics Scoren/a15478
Sources: 3DMark [Vivo X100 Pro]
PCMark 3.0
PCMark 3.0
Xiaomi 15 Ultra
n/a
Vivo X100 Pro
14116
Writing scoren/a23039
Web scoren/a11895
Video editingn/a5599
Data manipulationn/a12384
NanoReview Scoren/a14116

Memory

RAM
RAM Size 12 GB - 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 4200 MHz
Channels 2 4
Storage
Storage Capacity256 GB- 256 GB
- 512 GB
- 1024 GB
Storage TypeUFS 4.1UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 14 (Upgradeable to Android 15)
OS Size 23.9 GB n/a
UI Skin HyperOS 2.0 Funtouch 15

Battery

Volume 5410 mAh 5400 mAh
Max Charging Power 90 W 100 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (80 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (72% in 30 min) Yes (60% in 15 min)
Full Charge Time 0:51 h 0:31 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Vivo X100 Pro
22:26
Web Browsing12:19 h09:38 h
Video Playback18:43 h14:53 h
Games06:45 h06:25 h
Standby Mode141 h94 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 4.3x Optical, 4.3x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 960 fps (1080p)
Wide-angle lens 115 ° 119 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.63f/1.8
Focal length23 mm23 mm
SensorSony LYT-900Sony IMX989
Sensor size1/1.01/0.98
Pixel size1.6 μm1.6 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.6f/2.5
Focal length100 mm100 mm
SensorSamsung ISOCELL S5KHP9Omnivision OV64B
Sensor size1/1.41/2
Pixel size0.56 μm0.7 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.0
Focal length14 mm15 mm
SensorSamsung S5KJN5Samsung S5KJN1
Sensor size1/2.761/2.76
Pixel size0.64 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Vivo X100 Pro
149
Video quality
Xiaomi 15 Ultra
134
Vivo X100 Pro
145
Overall camera score
Xiaomi 15 Ultra
153
Vivo X100 Pro
150
Bokeh8070
Preview8981
Zoomn/a155
Sources: DxOMark [Xiaomi 15 Ultra], [Vivo X100 Pro]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6528x4896 pixels
Aperture f/2.0 f/2.0
Focal length 22 mm 20 mm
Sensor Omnivision OV32B Samsung S5KGD2
Sensor size 1/3.14 1/2.8
Pixel size 0.7 μm 0.8 μm
Autofocus No No
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 6.0 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
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM Standbyn/a
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM 850/900/1800/1900MH
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA B1/B2/B4/B5/B8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B32/B38/B39/B40/B41/B42/B66)
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Vivo X100 Pro
90 dB

Other

Class Flagship Flagship
Announced February, 2025 yr November, 2023 yr
Release Date February, 2025 yr November, 2023 yr
Launch Price ($) n/a 800
MSRP ($) 1099 n/a
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes 100 W

Note

Xiaomi 15 Ultra:

The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.

Vivo X100 Pro:

The top version (with 16 GB) comes with LPDDR5T memory, while the others feature LPDDR5X.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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