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InnoReviews

REDMI K90 Max vs Xiaomi 18 Fold

REDMI K90 Max
69.2Inno Score
VS
WINNER
Xiaomi 18 Fold
79.3Inno Score
64.4Performance91.6
79.4Display67
43.4Camera71.9
83.2Battery76.6
86.7Features86.7
6 spec wins — REDMI K90 Max5 spec wins — Xiaomi 18 Fold

InnoReviews verdict

Xiaomi 18 Fold wins this phone face-off, 79.3 to 69.2, pulling ahead mainly in camera (+29) and performance (+27). REDMI K90 Max still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the REDMI K90 Max

  • Stronger display score: 79 vs 67
  • Stronger battery score: 83 vs 77
  • 49% higher Wired charging: 100 W vs 67 W
  • 43% higher capacity: 8,550 mAh vs 6,000 mAh
  • 38% higher Refresh rate: 165 Hz vs 120 Hz

Reasons to pick the Xiaomi 18 Fold

  • Stronger performance score: 92 vs 64
  • Stronger camera score: 72 vs 43
  • 525% higher ultra-wide: 50 MP vs 8 MP
  • 300% higher Main camera: 200 MP vs 50 MP
  • 14% higher Peak brightness: 4,000 nits vs 3,500 nits

Display

Display comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
Screen size6.83 ″7.58 ″+11%
Panel typeAMOLEDFoldable LTPO AMOLED
Resolution1280x27722364x1672
Pixel density447 ppi+17%382 ppi
Refresh rate165 Hz+38%120 Hz
Peak brightness3,500 nits4,000 nits+14%
Screen-to-body—90.6 %

Performance

Performance comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
ChipsetMediaTek Dimensity 9500Xiaomi XRing O3
AnTuTu—4,811,636
Geekbench 6 (single)—3,448Top 7%
Geekbench 6 (multi)—12,758Top 1%
RAM (max)16 GB16 GB
Storage options256/512GB/1TB256/512GB/1TB
Storage typeUFS 4.1UFS 4.1

Camera

Camera comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
Main camera50 MP200 MP+300%
Main aperturef/1.68f/1.7
Ultra-wide8 MP50 MP+525%
Telephoto—50 MP
Optical zoom—3.5 x
Max video8K@30fps8K@24fps
Front camera20 MP+25%16 MP
OISYesYes

Battery

Battery comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
Capacity8,550 mAh+43%6,000 mAh
Wired charging100 W+49%67 W
Wireless charging—50 W

Design

Design comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
Weight227 g219 g+4%
Thickness8.2 mm+24%10.7 mm
IP ratingIP66/IP68/IP69IP58/IP59
Frame material—Aluminum

Connectivity

Connectivity comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
5GYesYes
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth5.46.0
NFCYesYes
USBUSB-CUSB-C 3.2
eSIMNoNo

Software

Software comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
OS at launchAndroid 16 (HyperOS 3)Android 17 (HyperOS 4)

Audio

Audio comparison: REDMI K90 Max versus Xiaomi 18 Fold
SpecREDMI K90 MaxXiaomi 18 Fold
Stereo speakersYesYes
3.5mm jack—No

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