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InnoReviews

Redmi K70 Ultra vs REDMI K90 Ultra

WINNER
Redmi K70 Ultra
76.7Inno Score
VS
REDMI K90 Ultra
69.1Inno Score
100Performance64.4
75.1Display78.7
43.4Camera43.4
71.8Battery83.2
86.7Features86.7
4 spec wins — Redmi K70 Ultra6 spec wins — REDMI K90 Ultra

InnoReviews verdict

Redmi K70 Ultra wins this phone face-off, 76.7 to 69.1, pulling ahead mainly in performance (+36). REDMI K90 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 K70 Ultra

  • Stronger performance score: 100 vs 64
  • 50% higher RAM (max): 24 GB vs 16 GB
  • 20% higher Wired charging: 120 W vs 100 W
  • 14% higher Peak brightness: 4,000 nits vs 3,500 nits

Reasons to pick the REDMI K90 Ultra

  • Stronger display score: 79 vs 75
  • Stronger battery score: 83 vs 72
  • 55% higher capacity: 8,550 mAh vs 5,500 mAh
  • 15% higher Refresh rate: 165 Hz vs 144 Hz

Display

Display comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
Screen size6.67 ″6.83 ″+2%
Panel typeOLEDAMOLED
Resolution1220x27121280x2772
Pixel density446 ppi447 ppi
Refresh rate144 Hz165 Hz+15%
Peak brightness4,000 nits+14%3,500 nits
Screen-to-body89.1 %90.3 %+1%

Performance

Performance comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
ChipsetMediaTek Dimensity 9300+Snapdragon 8 Elite
RAM (max)24 GB+50%16 GB
Storage options256/512GB/1TB256/512GB
Storage typeUFS 4.0UFS 4.1

Camera

Camera comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
Main camera50 MP50 MP
Main aperturef/1.7f/1.7
Ultra-wide8 MP8 MP
Max video8K@30fps8K@30fps
Front camera20 MP20 MP
OISYesYes

Battery

Battery comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
Capacity5,500 mAh8,550 mAh+55%
Wired charging120 W+20%100 W
Wireless charging0 W—

Design

Design comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
Weight211 g+7%227 g
Thickness8.4 mm8.2 mm+2%
IP ratingIP68IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
5GYesYes
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB-CUSB-C
eSIMNoNo

Software

Software comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
OS at launchAndroid 14 (HyperOS)Android 16 (HyperOS 3)

Audio

Audio comparison: Redmi K70 Ultra versus REDMI K90 Ultra
SpecRedmi K70 UltraREDMI K90 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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