Home Phone comparison Xiaomi Poco X7 and Vivo iQOO Z9x 5G - Which is better?

Xiaomi Poco X7 vs Vivo iQOO Z9x 5G

66 out 100
Xiaomi Poco X7
VS
64 out 100
Vivo iQOO Z9x 5G
Xiaomi Poco X7
Vivo iQOO Z9x 5G

Compared 2 smartphones : Xiaomi Poco X7 Manufactured in January, 2025, with display 6.67 with chipsetMediaTek Dimensity 7300 Ultra, 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 Poco X7
  • Higher pixel density: 446ppi
  • Lighter design: 185.5g vs 199g
  • Newer Bluetooth version: 5.4 vs 5.1
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM
Reasons to choose Vivo iQOO Z9x 5G
  • Larger display: 6.72in
  • Higher battery capacity: 6000mAh vs 5110mAh

Versions

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

Review

Key Specs Xiaomi Poco X7 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.
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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:
Xiaomi Poco X7
vs
Vivo iQOO Z9x 5G

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.67 in 6.72 in
Resolution 1220x2712 pixels 1080x2408 pixels
Aspect ratio 20:9 20:9
Pixel density 446 ppi 393 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes
Max brightness 1200 nits 1000 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 480 Hz 300 Hz
Screen-to-body ratio 88.9 % 86.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 DCI-P3
Display test
Peak brightness (auto)
Xiaomi Poco X7
1107 nits
Vivo iQOO Z9x 5G
n/a
sRGB gamut100 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Poco X7]

Design & Build

Design and ergonomics comparison
Height 162.33 mm (6.39 in) 165.7 mm (6.52 in)
Width 74.42 mm (2.93 in) 76 mm (2.99 in)
Thickness 8.4 mm (0.33 in) 7.99 mm (0.31 in)
Weight 185.5 g (6.54 oz) 199 g (7.02 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber n/a
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Silver
- Green		 - Black
- Green
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Xiaomi Poco X7
88.9 %
Vivo iQOO Z9x 5G
86.5 %

Performance

Testing Xiaomi Poco X7 and Vivo iQOO Z9x 5G In benchmarks
Processor
Chipset MediaTek Dimensity 7300 Ultra Qualcomm Snapdragon 6 Gen 1
Max Frequency 2500 MHz 2200 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)		 - 4/1.8 (Cortex-A55)
- 4/2.2 (Cortex-A78)
Process TSMC Samsung
Transistor Size 4 nm 4 nm
Neural Processor MediaTek APU 655 Yes
Graphics Mali-G615 MP2 Adreno 710
GPU Cores 256 256
GPU Frequency 1047 MHz 676 MHz
FLOPS 536.1 GFLOPS 346.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X7
1031
Vivo iQOO Z9x 5G
933
Geekbench 6 (Multi-Core)
Xiaomi Poco X7
2842
Vivo iQOO Z9x 5G
2799
Geekbench 6 (Single-Core)1031933
Geekbench 6 (Multi-Core)28422799
Geekbench Compute (GPU)2507n/a
Sources: Geekbench v6 [Xiaomi Poco X7], [Vivo iQOO Z9x 5G]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X7
675069
Vivo iQOO Z9x 5G
573302
CPU203194202922
GPU143338109755
Memory159275128600
UX169262132025
NanoReview Score675069573302

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 8 GB
- 12 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB		- 128 GB
- 256 GB
Storage TypeUFS 2.2UFS 2.2
Memory CardNoMicroSD

Software

OS Android 14 Android 14
UI Skin HyperOS 1.0 Funtouch OS 14

Battery

Volume 5110 mAh 6000 mAh
Max Charging Power 45 W 44 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (62% in 30 min) Yes (50% in 26 min)
Full Charge Time 1:05 h 1:11 h
Battery Life Test
Battery Life
Xiaomi Poco X7
19:25
Vivo iQOO Z9x 5G
n/a
Web Browsing06:50 hn/a
Video Playback10:59 hn/a
Games05:14 hn/a
Standby Mode104 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 240 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.5f/1.8
Focal length26 mmn/a
SensorSony IMX882Samsung S5KJN1
Sensor size1/1.961/1.95
Pixel size0.8 μm0.64 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length15 mmn/a
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 20 MP 8 MP
Photo resolution 5184x3888 pixels n/a
Aperture f/2.2 f/2.1
Focal length 25 mm n/a
Sensor Omnivision OV20B Samsung S5K4H7
Sensor size 1/4.0 1/4
Pixel size 0.7 μm 1.12 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) 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 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 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* 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 2/3/5/8GSM 850/900/1800 MHz
3G BandsWCDMA B1/2/4/5/6/8/19WCDMA B1/B5/B8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B28/B38/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 Poco X7
91.4 dB
Vivo iQOO Z9x 5G
n/a

Other

Class Mid-range Mid-range
Announced January, 2025 yr April, 2024 yr
Release Date January, 2025 yr April, 2024 yr
Launch Price ($) 229 165
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 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

No clear favorite identified yet; updates may follow as new data arrives.

Survey

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Total Votes: 2

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