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InnoReviews

OPPO F31 Pro 5G vs REDMI K90 Ultra

OPPO F31 Pro 5G
55.4Inno Score
VS
WINNER
REDMI K90 Ultra
69.1Inno Score
46.7Performance64.4
55.2Display78.7
45.9Camera43.4
79.8Battery83.2
52Features86.7
4 spec wins — OPPO F31 Pro 5G7 spec wins — REDMI K90 Ultra

InnoReviews verdict

REDMI K90 Ultra wins this phone face-off, 69.1 to 55.4, pulling ahead mainly in features (+35) and display (+24). OPPO F31 Pro 5G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the OPPO F31 Pro 5G

  • 60% higher Front camera: 32 MP vs 20 MP
  • 16% lower weight: 190 g vs 227 g

Reasons to pick the REDMI K90 Ultra

  • Stronger performance score: 64 vs 47
  • Stronger display score: 79 vs 55
  • Stronger battery score: 83 vs 80
  • Stronger features score: 87 vs 52
  • 150% higher Peak brightness: 3,500 nits vs 1,400 nits

Display

Display comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
Screen size6.57 ″6.83 ″+4%
Panel typeAMOLEDAMOLED
Resolution2372x10801280x2772
Pixel density397 ppi447 ppi+13%
Refresh rate120 Hz165 Hz+38%
Peak brightness1,400 nits3,500 nits+150%
Screen-to-body93 %+3%90.3 %

Performance

Performance comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
ChipsetDimensity 7300-EnergySnapdragon 8 Elite
RAM (max)12 GB16 GB+33%
Storage options128GB / 256GB256/512GB
Storage typeUFS 3.1UFS 4.1

Camera

Camera comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.7
Ultra-wide—8 MP
Max video4K@30fps8K@30fps
Front camera32 MP+60%20 MP
OISYesYes

Battery

Battery comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
Capacity7,000 mAh8,550 mAh+22%
Wired charging80 W100 W+25%

Design

Design comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
Weight190 g+16%227 g
Thickness8 mm+2%8.2 mm
IP ratingIP66/IP68/IP69IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFC—Yes
USBUSB-C 2.0USB-C
eSIMNoNo

Software

Software comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
OS at launchAndroid 15 (ColorOS 15)Android 16 (HyperOS 3)
OS update pledge2 years—

Audio

Audio comparison: OPPO F31 Pro 5G versus REDMI K90 Ultra
SpecOPPO F31 Pro 5GREDMI K90 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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