Home Phone comparison Xiaomi 14 Ultra and Vivo iQOO 15R - Which is better?

Xiaomi 14 Ultra vs Vivo iQOO 15R

87 out 100
Xiaomi 14 Ultra
VS
88 out 100
Vivo iQOO 15R
Xiaomi 14 Ultra
Vivo iQOO 15R

Compared 2 smartphones : Xiaomi 14 Ultra Manufactured in February, 2024, with display 6.73 with chipsetQualcomm Snapdragon 8 Gen 3, 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 14 Ultra
  • Larger display: 6.73in
  • Higher pixel density: 522ppi
  • Supports newer USB: 3.2 vs 2
  • Supports Dolby Atmos
Reasons to choose Vivo iQOO 15R
  • Higher refresh rate: 144Hz
  • Lighter design: 202g vs 219.8g
  • Higher battery capacity: 7600mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.4

Versions

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

Review

Key Specs Xiaomi 14 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 14 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 522 ppi 459 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 3000 nits n/a
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.9 % 90.8 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 14 Ultra
1269 nits
Vivo iQOO 15R
n/a
sRGB gamut98.9 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 14 Ultra]

Design & Build

Design and ergonomics comparison
Height 161.4 mm (6.35 in) 157.61 mm (6.21 in)
Width 75.3 mm (2.96 in) 74.42 mm (2.93 in)
Thickness 9.2 mm (0.36 in) 7.9 mm (0.31 in)
Weight 219.8 g (7.75 oz) 202 g (7.13 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Metal
Colors - White
- Black		 - Black
- Silver
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 14 Ultra
89.9 %
Vivo iQOO 15R
90.8 %

Performance

Testing Xiaomi 14 Ultra and Vivo iQOO 15R In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Qualcomm Snapdragon 8 Gen 5
Max Frequency 3300 MHz 3000 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (2 + 6)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 6/3.32 ()
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 750 Adreno 829
GPU Cores 1536 1024
GPU Frequency 903-1000 MHz 1200 MHz
FLOPS 2774 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 14 Ultra
2197
Vivo iQOO 15R
2698
Geekbench 6 (Multi-Core)
Xiaomi 14 Ultra
7058
Vivo iQOO 15R
8830
Geekbench 6 (Single-Core)21972698
Geekbench 6 (Multi-Core)70588830
Geekbench Compute (GPU)1643521113
Sources: Geekbench v6 [Xiaomi 14 Ultra], [Vivo iQOO 15R]
AnTuTu 10
AnTuTu 10
Xiaomi 14 Ultra
2019519
Vivo iQOO 15R
3272562
CPU4365411018344
GPU840663997845
Memory431435433367
UX328880823006
NanoReview Score20195193272562
3DMark Wild Life
3DMark Wild Life
Xiaomi 14 Ultra
15437
Vivo iQOO 15R
n/a
Max Surface Temp.47.7 °Cn/a
Stability86 %n/a
Graphics Test92 fpsn/a
Graphics Score15437n/a
Sources: 3DMark [Xiaomi 14 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi 14 Ultra
16417
Vivo iQOO 15R
n/a
Writing score19642n/a
Web score14876n/a
Video editing7929n/a
Data manipulation15903n/a
NanoReview Score16417n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 8 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz n/a
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 16
OS Size 31 GB n/a
UI Skin HyperOS 2.0 OriginOS 6

Battery

Volume 5000 mAh 7600 mAh
Max Charging Power 90 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (80 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (52% in 15 min) Yes (46% in 30 min)
Full Charge Time 0:34 h 1:04 h
Battery Life Test
Battery Life
Xiaomi 14 Ultra
22:08
Vivo iQOO 15R
n/a
Web Browsing09:23 hn/a
Video Playback12:26 hn/a
Games04:35 hn/a
Standby Mode109 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 5x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
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) n/a
Wide-angle lens 122 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.6 - 4.0f/1.8
Focal length23 mmn/a
SensorSony LYT-900n/a
Sensor size1/1.0n/a
Pixel size1.6 μmn/a
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/1.8n/a
Focal length120 mmn/a
SensorSony IMX858n/a
Sensor size1/2.51n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/1.8f/2.2
Focal length12 mm15 mm
SensorSony IMX858n/a
Sensor size1/2.511/4.0 (0.25)
Pixel size0.7 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 14 Ultra
144
Vivo iQOO 15R
n/a
Video quality
Xiaomi 14 Ultra
150
Vivo iQOO 15R
n/a
Overall camera score
Xiaomi 14 Ultra
149
Vivo iQOO 15R
n/a
Bokeh75n/a
Preview83n/a
Zoom160n/a
Sources: DxOMark [Xiaomi 14 Ultra]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.0 f/2.2
Focal length 22 mm n/a
Sensor Omnivision OV32B n/a
Sensor size 1/3.14 n/a
Pixel size 0.7 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 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 6.0
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 DP 1.2 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 BandsGSM 2/3/5/8GSM 850/900/1800MHz
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA B1/B5/B6/B8/B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)LTE (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 14 Ultra
90.3 dB
Vivo iQOO 15R
n/a

Other

Class Flagship Mid-range
Announced February, 2024 yr February, 2026 yr
Release Date February, 2024 yr March, 2026 yr
Launch Price ($) 1499 n/a
MSRP ($) n/a 495
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 14 Ultra:

The rear cover is available in glass or eco-leather, while the frame can be aluminum or titanium. The front glass is either Xiaomi Shield Glass or Xiaomi Longjing Glass.

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

Results

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