Home Phone comparison Vivo iQOO 15 Ultra and Vivo iQOO Z11x - Which is better?

Vivo iQOO 15 Ultra vs Vivo iQOO Z11x

94 out 100
Vivo iQOO 15 Ultra
VS
67 out 100
Vivo iQOO Z11x
Vivo iQOO 15 Ultra
Vivo iQOO Z11x

Compared 2 smartphones : Vivo iQOO 15 Ultra Manufactured in February, 2026, with display 6.85 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Vivo iQOO Z11x, Manufactured in March, 2026 with chipsetMediatek Dimensity 7400. 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 15 Ultra
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7400mAh vs 7200mAh
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM
Reasons to choose Vivo iQOO Z11x
  • Lighter design: 219g vs 227g

Versions

Available versions and configurations
Memory Options - 16/256 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB		 - 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Vivo iQOO 15 Ultra and Vivo iQOO Z11x
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 15 Ultra
vs
Vivo iQOO Z11x

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.85 in 6.76 in
Resolution 1440x3168 pixels 1080x2344 pixels
Aspect ratio 20:9 19.5:9
Pixel density 508 ppi 382 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 2600 nits 1200 nits
HDR support Yes, HDR10+ No
Screen-to-body ratio 90.1 % 85.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a

Design & Build

Design and ergonomics comparison
Height 163.7 mm (6.44 in) 166.6 mm (6.56 in)
Width 76.8 mm (3.02 in) 78.4 mm (3.09 in)
Thickness 8.7 mm (0.34 in) 8.4 mm (0.33 in)
Weight 227 g (8.01 oz) 219 g (7.72 oz)
Water resistance IP69 IP69
Cooling system Active fan n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver		 - Black
- Green
Fingerprint sensor Yes, In-Display Yes, In-Button
Screen-to-body ratio
Vivo iQOO 15 Ultra
90.1 %
Vivo iQOO Z11x
85.9 %

Performance

Testing Vivo iQOO 15 Ultra and Vivo iQOO Z11x In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Mediatek Dimensity 7400
Max Frequency 4600 MHz 2600 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)		 - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon MediaTek APU 655
Graphics Adreno 840 Mali-G615 MP2
GPU Cores 1536 256
GPU Frequency 1200 MHz 1300 MHz
FLOPS 3686.4 GFLOPS 665.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO 15 Ultra
3615
Vivo iQOO Z11x
1064
Geekbench 6 (Multi-Core)
Vivo iQOO 15 Ultra
11366
Vivo iQOO Z11x
2878
Geekbench 6 (Single-Core)36151064
Geekbench 6 (Multi-Core)113662878
Geekbench Compute (GPU)n/a3062
Sources: Geekbench v6 [Vivo iQOO 15 Ultra], [Vivo iQOO Z11x]
AnTuTu 10
AnTuTu 10
Vivo iQOO 15 Ultra
4518403
Vivo iQOO Z11x
922227
CPU1322001329972
GPU1594848147724
Memory593523155228
UX1008031289303
NanoReview Score4518403922227

Memory

RAM
RAM Size 16 GB 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 2133 MHz
Channels 4 2
Storage
Storage Capacity256 GB128 GB
Storage TypeUFS 4.1UFS 3.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OriginOS 6 OriginOS 6

Battery

Volume 7400 mAh 7200 mAh
Max Charging Power 100 W 44 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (40 W) No
Reverse Charging Yes, (Wireless) Yes
Fast Charging Yes Yes (50% in 43 min)

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) n/a
Wide-angle lens 107 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9n/a
Focal length23 mmn/a
SensorSony IMX921n/a
Sensor size1/1.56 (0.64)1/2.93 (0.34)
Pixel size1 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/2.7n/a
SensorSony IMX882n/a
Sensor size1/1.95 (0.51)n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MPn/a
Aperturef/2.1n/a
Focal length15 mmn/a
Sensor size1/2.76 (0.36)n/a
Pixel size0.64 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 32 MP
Aperture f/2.2 n/a
Focal length 21 mm n/a
Sensor CMOS n/a
Sensor size 1/3.1 (0.32) n/a
Pixel size 0.7 μm n/a
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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.4
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		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes No
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No

Other

Class Flagship Mid-range
Announced February, 2026 yr March, 2026 yr
Release Date February, 2026 yr March, 2026 yr
MSRP ($) 820 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 100 W Yes, 0 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo iQOO 15 Ultra the clear winner in this comparison.

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