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InnoReviews

Redmi 9A vs REDMI K90 Ultra

Redmi 9A

Xiaomi

Redmi 9A

$99

23.9Inno Score
VS
WINNER
REDMI K90 Ultra
69.1Inno Score
20Performance64.4
20Display78.7
20.5Camera43.4
38.8Battery83.2
20Features86.7
2 spec wins — Redmi 9A13 spec wins — REDMI K90 Ultra

InnoReviews verdict

REDMI K90 Ultra wins this phone face-off, 69.1 to 23.9, pulling ahead mainly in features (+67) and display (+59). Redmi 9A still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Redmi 9A

  • 15% lower weight: 194 g vs 227 g
  • Has 3.5mm jack — the other doesn't

Reasons to pick the REDMI K90 Ultra

  • Stronger performance score: 64 vs 20
  • Stronger display score: 79 vs 20
  • Stronger camera score: 43 vs 21
  • Stronger battery score: 83 vs 39
  • Stronger features score: 87 vs 20

Display

Display comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
Screen size6.53 ″6.83 ″+5%
Panel typeIPS LCDAMOLED
Resolution1600x7201280x2772
Pixel density269 ppi447 ppi+66%
Refresh rate60 Hz165 Hz+175%
Peak brightness—3,500 nits
Screen-to-body—90.3 %

Performance

Performance comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
ChipsetMediaTek Helio G25Snapdragon 8 Elite
AnTuTu100,000—
RAM (max)2 GB16 GB+700%
Storage options32GB256/512GB
Storage typeeMMC 5.1UFS 4.1

Camera

Camera comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
Main camera13 MP50 MP+285%
Main aperturef/2.2f/1.7
Ultra-wide—8 MP
Max video1080p@30fps8K@30fps
Front camera5 MP20 MP+300%
OISNoYes

Battery

Battery comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
Capacity5,000 mAh8,550 mAh+71%
Wired charging10 W100 W+900%

Design

Design comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
Weight194 g+15%227 g
Thickness9 mm8.2 mm+9%
IP rating—IP68/IP69
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
5GNoYes
Wi-FiWi-Fi 4Wi-Fi 7
Bluetooth5.05.4
NFCNoYes
USBMicro-USBUSB-C
eSIMNoNo

Software

Software comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
OS at launchAndroid 10 (MIUI 12)Android 16 (HyperOS 3)
OS update pledge2 years—

Audio

Audio comparison: Redmi 9A versus REDMI K90 Ultra
SpecRedmi 9AREDMI K90 Ultra
Stereo speakersNoYes
3.5mm jackYesNo

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