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InnoReviews

realme P4x 5G vs REDMI K90 Ultra

realme P4x 5G
49.8Inno Score
VS
WINNER
REDMI K90 Ultra
69.1Inno Score
46.6Performance64.4
52.9Display78.7
29Camera43.4
71.3Battery83.2
52Features86.7
1 spec wins — realme P4x 5G12 spec wins — REDMI K90 Ultra

InnoReviews verdict

REDMI K90 Ultra wins this phone face-off, 69.1 to 49.8, pulling ahead mainly in features (+35) and display (+26). realme P4x 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 P4x 5G

No decisive spec advantages — this side competes on price and preference.

Reasons to pick the REDMI K90 Ultra

  • Stronger performance score: 64 vs 47
  • Stronger display score: 79 vs 53
  • Stronger camera score: 43 vs 29
  • Stronger battery score: 83 vs 71
  • Stronger features score: 87 vs 52

Display

Display comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
Screen size6.72 ″6.83 ″+2%
Panel typeIPS LCDAMOLED
Resolution1080x24001280x2772
Pixel density391 ppi447 ppi+14%
Refresh rate144 Hz165 Hz+15%
Peak brightness1,000 nits3,500 nits+250%
Screen-to-body86.5 %90.3 %+4%

Performance

Performance comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
ChipsetMediaTek Dimensity 7400 UltraSnapdragon 8 Elite
AnTuTu876,440Bottom 29%—
AnTuTu 11 (CPU)342,564Bottom 29%—
AnTuTu 11 (GPU)103,831Bottom 20%—
AnTuTu 11 (Memory)163,676Bottom 29%—
AnTuTu 11 (UX)266,369Bottom 29%—
RAM (max)8 GB16 GB+100%
Storage options128GB / 256GB256/512GB
Storage typeUFS 3.1UFS 4.1

Camera

Camera comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.7
Ultra-wide—8 MP
Max video4K@30fps8K@30fps
Front camera8 MP20 MP+150%
OISNoYes

Battery

Battery comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
Capacity7,000 mAh8,550 mAh+22%
Wired charging45 W100 W+122%

Design

Design comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
Weight208 g+8%227 g
Thickness8.4 mm8.2 mm+2%
IP ratingIP64IP68/IP69
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFCNoYes
USBUSB Type-CUSB-C
eSIM—No

Software

Software comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
OS at launchAndroid 15 (realme UI 6.0)Android 16 (HyperOS 3)
OS update pledge2 years—

Audio

Audio comparison: realme P4x 5G versus REDMI K90 Ultra
Specrealme P4x 5GREDMI K90 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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