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InnoReviews

realme 12x 5G vs REDMI K90 Ultra

realme 12x 5G
41.6Inno Score
VS
WINNER
REDMI K90 Ultra
69.1Inno Score
28.9Performance64.4
46.6Display78.7
29Camera43.4
52.5Battery83.2
73.3Features86.7
3 spec wins — realme 12x 5G11 spec wins — REDMI K90 Ultra

InnoReviews verdict

REDMI K90 Ultra wins this phone face-off, 69.1 to 41.6, pulling ahead mainly in performance (+36) and display (+32). realme 12x 5G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the realme 12x 5G

  • 17% lower weight: 188 g vs 227 g
  • Has 3.5mm jack — the other doesn't

Reasons to pick the REDMI K90 Ultra

  • Stronger performance score: 64 vs 29
  • Stronger display score: 79 vs 47
  • Stronger camera score: 43 vs 29
  • Stronger battery score: 83 vs 53
  • Stronger features score: 87 vs 73

Display

Display comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
Screen size6.72 ″6.83 ″+2%
Panel typeIPS LCDAMOLED
Resolution1080x24001280x2772
Pixel density392 ppi447 ppi+14%
Refresh rate120 Hz165 Hz+38%
Peak brightness950 nits3,500 nits+268%
Screen-to-body86.5 %90.3 %+4%

Performance

Performance comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
ChipsetMediaTek Dimensity 6100+Snapdragon 8 Elite
RAM (max)8 GB16 GB+100%
Storage options128GB256/512GB
Storage type—UFS 4.1

Camera

Camera comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.7
Ultra-wide—8 MP
Max video1080p@30fps8K@30fps
Front camera8 MP20 MP+150%
OISNoYes

Battery

Battery comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
Capacity5,000 mAh8,550 mAh+71%
Wired charging45 W100 W+122%
Wireless charging0 W—

Design

Design comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
Weight188 g+17%227 g
Thickness7.7 mm+6%8.2 mm
IP ratingIP54IP68/IP69
Frame material—Aluminum

Connectivity

Connectivity comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.35.4
NFCNoYes
USBUSB Type-C 2.0USB-C
eSIMNoNo

Software

Software comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
OS at launchAndroid 14 (realme UI 5.0)Android 16 (HyperOS 3)

Audio

Audio comparison: realme 12x 5G versus REDMI K90 Ultra
Specrealme 12x 5GREDMI K90 Ultra
Stereo speakersYesYes
3.5mm jackYesNo

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