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InnoReviews

Redmi A4 5G vs REDMI K90 Max

X
32.3Inno Score
VS
WINNER
REDMI K90 Max
69.2Inno Score
20Performance64.4
44.1Display79.4
29Camera43.4
40.3Battery83.2
36Features86.7
2 spec wins — Redmi A4 5G9 spec wins — REDMI K90 Max

InnoReviews verdict

REDMI K90 Max wins this phone face-off, 69.2 to 32.3, pulling ahead mainly in features (+51) and performance (+44). Redmi A4 5G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Redmi A4 5G

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

Reasons to pick the REDMI K90 Max

  • Stronger performance score: 64 vs 20
  • Stronger display score: 79 vs 44
  • Stronger camera score: 43 vs 29
  • Stronger battery score: 83 vs 40
  • Stronger features score: 87 vs 36

Display

Display comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
Screen size6.88 ″+1%6.83 ″
Panel typeIPS LCDAMOLED
Resolution720x16401280x2772
Pixel density260 ppi447 ppi+72%
Refresh rate120 Hz165 Hz+38%
Peak brightness600 nits3,500 nits+483%
Screen-to-body90 %—

Performance

Performance comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
ChipsetSnapdragon 4s Gen 2MediaTek Dimensity 9500
RAM (max)4 GB16 GB+300%
Storage options64/128GB256/512GB/1TB
Storage typeUFS 2.2UFS 4.1

Camera

Camera comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
Main camera50 MP50 MP
Main aperturef/1.8f/1.68
Ultra-wide—8 MP
Max video1080p@30fps8K@30fps
Front camera5 MP20 MP+300%
OIS—Yes

Battery

Battery comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
Capacity5,160 mAh8,550 mAh+66%
Wired charging18 W100 W+456%

Design

Design comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
Weight212 g+7%227 g
Thickness8.2 mm8.2 mm
IP ratingIP52IP66/IP68/IP69
Frame materialPlastic—

Connectivity

Connectivity comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.05.4
NFC—Yes
USBUSB-CUSB-C
eSIM—No

Software

Software comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
OS at launchAndroid 14 (HyperOS)Android 16 (HyperOS 3)
OS update pledge2 years—

Audio

Audio comparison: Redmi A4 5G versus REDMI K90 Max
SpecRedmi A4 5GREDMI K90 Max
Stereo speakersNoYes
3.5mm jackYes—

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