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InnoReviews

Realme P4x (4G) vs REDMI K90 Ultra

R
38.1Inno Score
VS
WINNER
REDMI K90 Ultra
69.1Inno Score
26Performance64.4
41.3Display78.7
29Camera43.4
71.3Battery83.2
20Features86.7
2 spec wins — Realme P4x (4G)12 spec wins — REDMI K90 Ultra

InnoReviews verdict

REDMI K90 Ultra wins this phone face-off, 69.1 to 38.1, pulling ahead mainly in features (+67) and performance (+38). Realme P4x (4G) 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 (4G)

  • Has 3.5mm jack — the other doesn't

Reasons to pick the REDMI K90 Ultra

  • Stronger performance score: 64 vs 26
  • Stronger display score: 79 vs 41
  • Stronger camera score: 43 vs 29
  • Stronger battery score: 83 vs 71
  • Stronger features score: 87 vs 20

Display

Display comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
Screen size6.8 ″6.83 ″
Panel typeIPS LCDAMOLED
Resolution720x15701280x2772
Pixel density254 ppi447 ppi+76%
Refresh rate120 Hz165 Hz+38%
Peak brightness700 nits3,500 nits+400%
Screen-to-body86.8 %90.3 %+4%

Performance

Performance comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
ChipsetUnisoc T7250Snapdragon 8 Elite
AnTuTu390,538—
RAM (max)6 GB16 GB+167%
Storage options64/128/256GB256/512GB
Storage typeeMMC 5.1UFS 4.1

Camera

Camera comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.7
Ultra-wide—8 MP
Max video1080p@30fps8K@30fps
Front camera5 MP20 MP+300%
OIS—Yes

Battery

Battery comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
Capacity8,000 mAh8,550 mAh+7%
Wired charging45 W100 W+122%

Design

Design comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
Weight219 g+4%227 g
Thickness8.8 mm8.2 mm+7%
IP ratingIP64IP68/IP69
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
5GNoYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.25.4
NFCNoYes
USBUSB Type-CUSB-C
eSIM—No

Software

Software comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
OS at launchAndroid 16Android 16 (HyperOS 3)

Audio

Audio comparison: Realme P4x (4G) versus REDMI K90 Ultra
SpecRealme P4x (4G)REDMI K90 Ultra
Stereo speakers—Yes
3.5mm jackYesNo

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