Home Phone comparison Vivo iQOO Z9 5G and Xiaomi 15T - Which is better?

Vivo iQOO Z9 5G vs Xiaomi 15T

69 out 100
Vivo iQOO Z9 5G
VS
82 out 100
Xiaomi 15T
Vivo iQOO Z9 5G
Xiaomi 15T

Compared 2 smartphones : Vivo iQOO Z9 5G Manufactured in March, 2024, with display 6.78 with chipsetQualcomm Snapdragon 7 Gen 3, vs Xiaomi 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 8400 Ultra. 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 iQOO Z9 5G
  • Higher pixel density: 452ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 6000mAh vs 5500mAh
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Lighter design: 194g vs 194.6g
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Vivo iQOO Z9 5G and Xiaomi 15T
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 iQOO Z9 5G
vs
Xiaomi 15T

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.83 in
Resolution 1260x2800 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 452 ppi 447 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes
Max brightness 1200 nits n/a
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 300 Hz 480 Hz
Screen-to-body ratio 89.3 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.72 mm (6.45 in) 163.2 mm (6.43 in)
Width 75.88 mm (2.99 in) 78 mm (3.07 in)
Thickness 7.98 mm (0.31 in) 7.5 mm (0.3 in)
Weight 194.6 g (6.86 oz) 194 g (6.84 oz)
Water resistance IP64 IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Black
- Green		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Vivo iQOO Z9 5G
89.3 %
Xiaomi 15T
89.9 %

Performance

Testing Vivo iQOO Z9 5G and Xiaomi 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 7 Gen 3 MediaTek Dimensity 8400 Ultra
Max Frequency 2630 MHz 3250 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/2 (Cortex-A510)
- 2/2.8 (Cortex-A715)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 4 nm 4 nm
Neural Processor MediaTek APU 650 MediaTek NPU 880
Graphics Mali-G610 MP4 Mali-G720 MP7
GPU Cores 256 896
GPU Frequency 1130 MHz 1300 MHz
FLOPS 578.6 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO Z9 5G
1191
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Vivo iQOO Z9 5G
3209
Xiaomi 15T
6413
Geekbench 6 (Single-Core)11911603
Geekbench 6 (Multi-Core)32096413
Geekbench Compute (GPU)418411228
Sources: Geekbench v6 [Vivo iQOO Z9 5G], [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Vivo iQOO Z9 5G
712380
Xiaomi 15T
1872827
CPU239086448609
GPU175677683486
Memory118258396486
UX179359344246
NanoReview Score7123801872827

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 14 Android 15
UI Skin Funtouch OS 14 HyperOS 2.0

Battery

Volume 6000 mAh 5500 mAh
Max Charging Power 80 W 67 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 17 min) Yes (50% in 22 min)
Full Charge Time 0:39 h 0:50 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (1080p)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Depth: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.7
Focal length26 mm23 mm
SensorSony IMX882Omnivision OV50 Light Hunter 800
Sensor size1/21/1.55
Pixel size0.7 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/1.9
Focal lengthn/a46 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensor sizen/a1/3.06
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 16 MP 32 MP
Aperture f/2.0 f/2.2
Focal length n/a 21 mm
Sensor Samsung S5K3P9 CMOS
Sensor size 1/3.1 1/3.44
Pixel size 1 μm 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
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 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotYesNo
2G BandsGSM 850/900/1800 MHzGSM 2/3/5/8
3G BandsWCDMA B1/B5/B8WCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B1/B3/B5/B8/B28/B28B)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
5G SupportYesYes

Sound

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

Other

Class Mid-range Mid-range
Announced March, 2024 yr September, 2025 yr
Release Date March, 2024 yr September, 2025 yr
MSRP ($) n/a 650
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 No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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