Vivo T4x 5GvsiQOO Z9s
SETTLEDUpdated September 8, 2026
iQOO Z9s wins
Verdict
iQOO Z9s wins 2 of 5 categories — our overall pick
iQOO Z9s is the overall winner, 2 / 5 — price is its standout. It costs USD 239 — USD 70 more than the Vivo T4x 5G. Pay the premium if price is your priority.
- Too close to call between Vivo T4x 5G and iQOO Z9s.
- iQOO Z9s takes Display — led by peak brightness (1,800 nits).
- iQOO Z9s takes Camera — led by selfie camera (16 MP).
- Vivo T4x 5G takes Battery — led by battery (6,500 mAh).
- Too close to call between Vivo T4x 5G and iQOO Z9s.
Scores follow our published methodology · v2026.09
In plain English
Choose Vivo T4x 5G if you want…
- Choose Vivo T4x 5G if you want a sharper screen — 393 ppi vs 388 ppi.
- Choose Vivo T4x 5G if you want longer battery life — 6,500 mAh vs 5,500 mAh.
Choose iQOO Z9s if you want…
- Choose iQOO Z9s if you want a bigger screen — 6.77 in vs 6.72 in.
- Choose iQOO Z9s if you want a screen you can read in sunlight — 1,800 nits vs 1,050 nits.
- Choose iQOO Z9s if you want sharper selfies — 16 MP vs 8 MP.
- Choose iQOO Z9s if you want a better camera — 92 pts vs 78 pts.
At a glance
- Vivo T4x 5G
- iQOO Z9s
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Best price now
The cheap alternative
Full record
Every spec, side by side — winners get a check and a proportional bar. Ties share the badge.
Performance score
Approximate benchmark score of the chipset — higher is faster for apps, games and AI.
Chipset
The processor inside — shown for reference, never decides a winner.
RAM
More RAM keeps more apps alive in the background.
Storage
Base onboard storage for photos, apps and media.
Screen size
Diagonal screen size — bigger is better for media, smaller is easier to hold.
Pixel density
Sharpness of the screen — above ~400 ppi looks crisp.
Refresh rate
How smooth scrolling and motion feel. 120 Hz is the modern standard.
Peak brightness
Peak brightness in sunlight — higher stays readable outdoors.
Main camera
Resolution of the primary rear camera — photo quality is judged by the Camera quality score, not megapixels.
Selfie camera
Resolution of the front camera.
Telephoto
A dedicated zoom lens for distant subjects without quality loss.
Video score
Composite video rating — stabilisation, 4K/8K support and colour.
Camera score
Composite camera quality from independent testing — how good the photos actually are.
Battery
Battery capacity — higher generally lasts longer.
Charging speed
Wired charging speed — higher refills faster.
Wireless charging
Whether the phone charges wirelessly.
Price
Typical MSRP in US dollars — lower is better value.
Which one should you buy?
Vivo T4x 5G
Choose Vivo T4x 5G if price matters most. It costs USD 169, the lowest price in this group.
iQOO Z9s
Choose iQOO Z9s if price matters most — it wins the most categories overall. It costs USD 239.
Pros & cons
Vivo T4x 5G
- 6,500 mAh battery
- 120 Hz display
- 44 W charging
- No ultrawide camera
- Plastic build
- Average low-light camera
iQOO Z9s
- 120 Hz AMOLED
- Dimensity 7300
- 5,500 mAh battery
- No ultrawide
- Plastic frame
- No telephoto