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InnoReviews

iQOO Z9x 5G vs vivo Y400 5G

iQOO Z9x 5G
48.5Inno Score
VS
vivo Y400 5G
48.5Inno Score
46.7Performance28.9
45.4Display56.3
29Camera34.1
61.5Battery72.2
73.3Features73.3
3 spec wins — iQOO Z9x 5G6 spec wins — vivo Y400 5G

InnoReviews verdict

This one is close to a dead heat: iQOO Z9x 5G scores 48.5 against 48.5 for vivo Y400 5G. Pick by the categories that matter to you — iQOO Z9x 5G edges ahead in performance, or by price.

Which would you pick?

Key differences

Reasons to pick the iQOO Z9x 5G

  • Stronger performance score: 47 vs 29
  • 50% higher RAM (max): 12 GB vs 8 GB
  • Has 3.5mm jack — the other doesn't

Reasons to pick the vivo Y400 5G

  • Stronger display score: 56 vs 45
  • Stronger camera score: 34 vs 29
  • Stronger battery score: 72 vs 62
  • 300% higher Front camera: 32 MP vs 8 MP
  • 105% higher Wired charging: 90 W vs 44 W

Display

Display comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
Screen size6.72 ″+1%6.67 ″
Panel typeIPS LCDAMOLED
Resolution1080x24081080x2400
Pixel density393 ppi394 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,000 nits1,800 nits+80%
Screen-to-body—91.9 %

Performance

Performance comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
ChipsetSnapdragon 6 Gen 1Qualcomm Snapdragon 4 Gen 2
RAM (max)12 GB+50%8 GB
Storage options128/256GB128/256GB
Storage typeUFS 2.2UFS 3.1

Camera

Camera comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
Main camera50 MP50 MP
Main aperturef/1.8f/1.8
Max video4K@30fps—
Front camera8 MP32 MP+300%
OISNo—

Battery

Battery comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
Capacity6,000 mAh6,000 mAh
Wired charging44 W90 W+105%

Design

Design comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
Weight199 g197 g+1%
Thickness8 mm7.9 mm+1%
IP ratingIP64IP68/IP69

Connectivity

Connectivity comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
5GYesYes
Bluetooth5.1—
NFCNoNo
USBUSB-C 2.0USB-C 2.0
eSIMNoNo

Software

Software comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
OS at launchAndroid 14 (OriginOS 4)Android 15 (Funtouch OS 15)

Audio

Audio comparison: iQOO Z9x 5G versus vivo Y400 5G
SpeciQOO Z9x 5Gvivo Y400 5G
Stereo speakersYesYes
3.5mm jackYesNo

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