Home Phone comparison Vivo iQOO Z9x 5G and Xiaomi Poco F8 Ultra - Which is better?

Vivo iQOO Z9x 5G vs Xiaomi Poco F8 Ultra

64 out 100
Vivo iQOO Z9x 5G
VS
93 out 100
Xiaomi Poco F8 Ultra
Vivo iQOO Z9x 5G
Xiaomi Poco F8 Ultra

Compared 2 smartphones : Vivo iQOO Z9x 5G Manufactured in April, 2024, with display 6.72 with chipsetQualcomm Snapdragon 6 Gen 1, vs Xiaomi Poco F8 Ultra, Manufactured in November, 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 218g
Reasons to choose Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 416ppi
  • Higher battery capacity: 6500mAh 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
- 16/512 GB

Review

Key Specs Vivo iQOO Z9x 5G and Xiaomi Poco F8 Ultra
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
Xiaomi Poco F8 Ultra

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.72 in 6.9 in
Resolution 1080x2408 pixels 1200x2608 pixels
Aspect ratio 20:9 19.5:9
Pixel density 393 ppi 416 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes
Max brightness 1000 nits 2000 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate 300 Hz 480 Hz
Screen-to-body ratio 86.5 % 91.9 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Vivo iQOO Z9x 5G
n/a
Xiaomi Poco F8 Ultra
3501 nits

Design & Build

Design and ergonomics comparison
Height 165.7 mm (6.52 in) 163.3 mm (6.43 in)
Width 76 mm (2.99 in) 77.8 mm (3.06 in)
Thickness 7.99 mm (0.31 in) 7.9 mm (0.31 in)
Weight 199 g (7.02 oz) 218 g (7.69 oz)
Water resistance IP64 IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - Black
- Green		 - White
- Black
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Vivo iQOO Z9x 5G
86.5 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Vivo iQOO Z9x 5G and Xiaomi Poco F8 Ultra 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
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Vivo iQOO Z9x 5G
2799
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)9333553
Geekbench 6 (Multi-Core)279910883
Geekbench Compute (GPU)n/a27420
Sources: Geekbench v6 [Vivo iQOO Z9x 5G], [Xiaomi Poco F8 Ultra]
AnTuTu 10
AnTuTu 10
Vivo iQOO Z9x 5G
573302
Xiaomi Poco F8 Ultra
3865467
CPU2029221163106
GPU1097551394796
Memory128600546277
UX132025761288
NanoReview Score5733023865467

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 HyperOS 3

Battery

Volume 6000 mAh 6500 mAh
Max Charging Power 44 W 100 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 (78% in 15 min)
Full Charge Time 1:11 h 0:39 h
Battery Life Test
Battery Life
Vivo iQOO Z9x 5G
n/a
Xiaomi Poco F8 Ultra
32:38
Web Browsingn/a15:14 h
Video Playbackn/a22:44 h
Gamesn/a08:06 h
Standby Moden/a124 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Optical, 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 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 960 fps (1080p)
Wide-angle lens n/a 102 °
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
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.7
Focal lengthn/a23 mm
SensorSamsung S5KJN1Omnivision Light Hunter 950
Sensor size1/1.951/1.31 (0.76)
Pixel size0.64 μm1.2 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/3.0
Focal lengthn/a115 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.4
Focal lengthn/a18 mm
Sensor sizen/a1/2.88 (0.35)
Pixel sizen/a0.61 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Aperture f/2.1 f/2.2
Focal length n/a 21 mm
Sensor Samsung S5K4H7 CMOS
Sensor size 1/4 1/3.44 (0.29)
Pixel size 1.12 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 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 Varies by region
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 2.1
3.5 mm Jack Yes No
FM Radio No No

Other

Class Mid-range Flagship
Announced April, 2024 yr November, 2025 yr
Release Date April, 2024 yr November, 2025 yr
Launch Price ($) 165 n/a
MSRP ($) n/a 729
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, 100 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 Poco F8 Ultra the clear winner in this comparison.

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