Home Phone comparison Xiaomi 15 and Vivo iQOO Z9x 5G - Which is better?

Xiaomi 15 vs Vivo iQOO Z9x 5G

93 out 100
Xiaomi 15
VS
64 out 100
Vivo iQOO Z9x 5G
Xiaomi 15
Vivo iQOO Z9x 5G

Compared 2 smartphones : Xiaomi 15 Manufactured in October, 2024, with display 6.36 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo iQOO Z9x 5G, Manufactured in April, 2024 with chipsetQualcomm Snapdragon 6 Gen 1. 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
  • Higher pixel density: 460ppi
  • Lighter design: 191g vs 199g
  • Newer Bluetooth version: 5.4 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM
Reasons to choose Vivo iQOO Z9x 5G
  • Larger display: 6.72in
  • Higher battery capacity: 6000mAh vs 5400mAh

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB		 - 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Xiaomi 15 and Vivo iQOO Z9x 5G
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
vs
Vivo iQOO Z9x 5G

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.36 in 6.72 in
Resolution 1200x2670 pixels 1080x2408 pixels
Aspect ratio 20:9 20:9
Pixel density 460 ppi 393 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 1500 nits 1000 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 300 Hz 300 Hz
Screen-to-body ratio 90.1 % 86.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 DCI-P3
Display test
Peak brightness (auto)
Xiaomi 15
1508 nits
Vivo iQOO Z9x 5G
n/a
sRGB gamut99.5 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 15]

Design & Build

Design and ergonomics comparison
Height 152.3 mm (6 in) 165.7 mm (6.52 in)
Width 71.2 mm (2.8 in) 76 mm (2.99 in)
Thickness 8.08 mm (0.32 in) 7.99 mm (0.31 in)
Weight 191 g (6.74 oz) 199 g (7.02 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Black
- Silver
- Green
- Purple		 - Black
- Green
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Xiaomi 15
90.1 %
Vivo iQOO Z9x 5G
86.5 %

Performance

Testing Xiaomi 15 and Vivo iQOO Z9x 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 6 Gen 1
Max Frequency 4320 MHz 2200 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/1.8 (Cortex-A55)
- 4/2.2 (Cortex-A78)
Process TSMC Samsung
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Yes
Graphics Adreno 830 Adreno 710
GPU Cores 1536 256
GPU Frequency 1100 MHz 676 MHz
FLOPS 3379.2 GFLOPS 346.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15
2934
Vivo iQOO Z9x 5G
933
Geekbench 6 (Multi-Core)
Xiaomi 15
8762
Vivo iQOO Z9x 5G
2799
Geekbench 6 (Single-Core)2934933
Geekbench 6 (Multi-Core)87622799
Geekbench Compute (GPU)24507n/a
Sources: Geekbench v6 [Xiaomi 15], [Vivo iQOO Z9x 5G]
AnTuTu 10
AnTuTu 10
Xiaomi 15
2620144
Vivo iQOO Z9x 5G
573302
CPU584725202922
GPU1142381109755
Memory519406128600
UX373632132025
NanoReview Score2620144573302
3DMark Wild Life
3DMark Wild Life
Xiaomi 15
20823
Vivo iQOO Z9x 5G
n/a
Sources: 3DMark [Xiaomi 15]
PCMark 3.0
PCMark 3.0
Xiaomi 15
18292
Vivo iQOO Z9x 5G
n/a
Writing score22508n/a
Web score18826n/a
Video editing8060n/a
Data manipulation14605n/a
NanoReview Score18292n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 2133 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoMicroSD

Software

OS Android 15 Android 14
OS Size 21 GB n/a
UI Skin HyperOS 2.0 Funtouch OS 14

Battery

Volume 5400 mAh 6000 mAh
Max Charging Power 90 W 44 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (83% in 30 min) Yes (50% in 26 min)
Full Charge Time 0:45 h 1:11 h
Battery Life Test
Battery Life
Xiaomi 15
31:54
Vivo iQOO Z9x 5G
n/a
Web Browsing13:20 hn/a
Video Playback19:22 hn/a
Games07:10 hn/a
Standby Mode150 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels n/a
Zoom Optical, 2.6x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) 240 fps (720p)
Wide-angle lens 115 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.8
Focal length23 mmn/a
SensorOmniVision OVX9000 Light Fusion 900Samsung S5KJN1
Sensor size1/1.311/1.95
Pixel size1.2 μm0.64 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/2.0n/a
Focal length60 mmn/a
SensorSamsung S5KJN5n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MPn/a
Aperturef/2.2n/a
Focal length14 mmn/a
SensorSamsung S5KJN1n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Xiaomi 15
150
Vivo iQOO Z9x 5G
n/a
Video quality
Xiaomi 15
133
Vivo iQOO Z9x 5G
n/a
Overall camera score
Xiaomi 15
147
Vivo iQOO Z9x 5G
n/a
Bokeh75n/a
Preview87n/a
Zoom152n/a
Sources: DxOMark [Xiaomi 15]

Front camera

Matrix 32 MP 8 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.0 f/2.1
Focal length 22 mm n/a
Sensor Omnivision OV32B Samsung S5K4H7
Sensor size 1/3.14 1/4
Pixel size 0.7 μm 1.12 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) 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 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.1
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 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM B2/B3/B5/B8GSM 850/900/1800 MHz
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19WCDMA B1/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/B3/B5/B7/B8/B20/B28/B38/B40/B41)
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 15
91.3 dB
Vivo iQOO Z9x 5G
n/a

Other

Class Flagship Mid-range
Announced October, 2024 yr April, 2024 yr
Release Date October, 2024 yr April, 2024 yr
Launch Price ($) 757 165
Sensors - 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 44 W

Note

Vivo iQOO Z9x 5G:

Chinese version of Vivo T3x.

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

Results

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

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