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

Vivo iQOO Z9x 5G vs OnePlus 15

64 out 100
Vivo iQOO Z9x 5G
VS
91 out 100
OnePlus 15
Vivo iQOO Z9x 5G
OnePlus 15

Compared 2 smartphones : Vivo iQOO Z9x 5G Manufactured in April, 2024, with display 6.72 with chipsetQualcomm Snapdragon 6 Gen 1, vs OnePlus 15, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite 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 Vivo iQOO Z9x 5G
  • Lighter design: 199g vs 211g
Reasons to choose OnePlus 15
  • Larger display: 6.78in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7300mAh vs 6000mAh
  • Newer Bluetooth version: 6.0 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Built-in eSIM

Versions

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

Review

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

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.72 in 6.78 in
Resolution 1080x2408 pixels 1272x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 393 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 1000 nits 1800 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 86.5 % 91.2 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 165.7 mm (6.52 in) 161.4 mm (6.35 in)
Width 76 mm (2.99 in) 76.7 mm (3.02 in)
Thickness 7.99 mm (0.31 in) 8.1 mm (0.32 in)
Weight 199 g (7.02 oz) 211 g (7.44 oz)
Water resistance IP64 IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Green		 - Black
- Gold
- Purple
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Vivo iQOO Z9x 5G
86.5 %
OnePlus 15
91.2 %

Performance

Testing Vivo iQOO Z9x 5G and OnePlus 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 6 Gen 1 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2200 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A55)
- 4/2.2 (Cortex-A78)		 6/3.63 ()
Process Samsung TSMC
Transistor Size 4 nm 3 nm
Neural Processor Yes Hexagon
Graphics Adreno 710 Adreno 840
GPU Cores 256 1536
GPU Frequency 676 MHz 1200 MHz
FLOPS 346.1 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO Z9x 5G
933
OnePlus 15
3726
Geekbench 6 (Multi-Core)
Vivo iQOO Z9x 5G
2799
OnePlus 15
11199
Geekbench 6 (Single-Core)9333726
Geekbench 6 (Multi-Core)279911199
Geekbench Compute (GPU)n/a27829
Sources: Geekbench v6 [Vivo iQOO Z9x 5G], [OnePlus 15]
AnTuTu 10
AnTuTu 10
Vivo iQOO Z9x 5G
573302
OnePlus 15
3434737
CPU202922968935
GPU1097551235307
Memory128600489823
UX132025740672
NanoReview Score5733023434737

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardMicroSDNo

Software

OS Android 14 Android 16
UI Skin Funtouch OS 14 OxygenOS 16

Battery

Volume 6000 mAh 7300 mAh
Max Charging Power 44 W 120 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (50% in 26 min) Yes (50% in 15 min)
Full Charge Time 1:11 h 0:43 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Optical, 3.5x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) n/a
Wide-angle lens n/a 116 °
Lenses count Standard: 50 MP
Depth: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal lengthn/a24 mm
SensorSamsung S5KJN1Sony LYTIA-T808
Sensor size1/1.951/1.56
Pixel size0.64 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.0
Focal lengthn/a15 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Photo resolution n/a 6560x4928 pixels
Aperture f/2.1 f/2.4
Focal length n/a 21 mm
Sensor Samsung S5K4H7 Sony IMX615
Sensor size 1/4 1/2.74
Pixel size 1.12 μm 0.8 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- 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 5.1 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800 MHzn/a
3G BandsWCDMA B1/B5/B8n/a
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)n/a
5G SupportYesYes

Sound

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

Other

Class Mid-range Flagship
Announced April, 2024 yr October, 2025 yr
Release Date April, 2024 yr October, 2025 yr
Launch Price ($) 165 n/a
MSRP ($) n/a 899
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 44 W Yes, 120 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 OnePlus 15 the clear winner in this comparison.

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