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InnoReviews

REDMI K90 Max vs Ulefone Armor 28 Ultra

WINNER
REDMI K90 Max
69.2Inno Score
VS
Ulefone Armor 28 Ultra
61.6Inno Score
64.4Performance55.2
79.4Display53.7
43.4Camera46.8
83.2Battery94.7
86.7Features60
8 spec wins — REDMI K90 Max4 spec wins — Ulefone Armor 28 Ultra

InnoReviews verdict

REDMI K90 Max wins this phone face-off, 69.2 to 61.6, pulling ahead mainly in features (+27) and display (+26). Ulefone Armor 28 Ultra 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 performance score: 64 vs 55
  • Stronger display score: 79 vs 54
  • Stronger features score: 87 vs 60
  • 59% higher Peak brightness: 3,500 nits vs 2,200 nits
  • 58% lower thickness: 8.2 mm vs 19.4 mm

Reasons to pick the Ulefone Armor 28 Ultra

  • Stronger camera score: 47 vs 43
  • Stronger battery score: 95 vs 83
  • 525% higher ultra-wide: 50 MP vs 8 MP
  • 150% higher Front camera: 50 MP vs 20 MP
  • 24% higher capacity: 10,600 mAh vs 8,550 mAh

Display

Display comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
Screen size6.83 ″+2%6.67 ″
Panel typeAMOLEDAMOLED
Resolution1280x27721080x2400
Pixel density447 ppi+13%395 ppi
Refresh rate165 Hz+38%120 Hz
Peak brightness3,500 nits+59%2,200 nits

Performance

Performance comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
ChipsetMediaTek Dimensity 9500MediaTek Dimensity 9300+
Geekbench 6 (single)—2,158Top 29%
Geekbench 6 (multi)—7,082Top 22%
RAM (max)16 GB16 GB
Storage options256/512GB/1TB1TB
Storage typeUFS 4.1UFS 4.0

Camera

Camera comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
Main camera50 MP50 MP
Main aperturef/1.68f/1.9
Ultra-wide8 MP50 MP+525%
Max video8K@30fps8K@30fps
Front camera20 MP50 MP+150%
OISYesNo

Battery

Battery comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
Capacity8,550 mAh10,600 mAh+24%
Wired charging100 W120 W+20%
Wireless charging—50 W

Design

Design comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
Weight227 g+50%450 g
Thickness8.2 mm+58%19.4 mm
IP ratingIP66/IP68/IP69IP68/IP69K

Connectivity

Connectivity comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
5GYesYes
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB-CUSB-C 3.2 Gen 2
eSIMNoNo

Software

Software comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
OS at launchAndroid 16 (HyperOS 3)Android 14

Audio

Audio comparison: REDMI K90 Max versus Ulefone Armor 28 Ultra
SpecREDMI K90 MaxUlefone Armor 28 Ultra
Stereo speakersYesNo
3.5mm jack—Yes

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