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InnoReviews

OPPO Reno15 vs REDMI K90 Ultra

WINNER
OPPO Reno15
73.7Inno Score
VS
REDMI K90 Ultra
69.1Inno Score
70.7Performance64.4
61Display78.7
79.1Camera43.4
72.3Battery83.2
100Features86.7
8 spec wins — OPPO Reno156 spec wins — REDMI K90 Ultra

InnoReviews verdict

OPPO Reno15 wins this phone face-off, 73.7 to 69.1, pulling ahead mainly in camera (+36) and features (+13). 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 OPPO Reno15

  • Stronger performance score: 71 vs 64
  • Stronger camera score: 79 vs 43
  • Stronger features score: 100 vs 87
  • 525% higher ultra-wide: 50 MP vs 8 MP
  • 300% higher Main camera: 200 MP vs 50 MP

Reasons to pick the REDMI K90 Ultra

  • Stronger display score: 79 vs 61
  • Stronger battery score: 83 vs 72
  • 94% higher Peak brightness: 3,500 nits vs 1,800 nits
  • 38% higher Refresh rate: 165 Hz vs 120 Hz
  • 38% higher capacity: 8,550 mAh vs 6,200 mAh

Display

Display comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
Screen size6.32 ″6.83 ″+8%
Panel typeAMOLEDAMOLED
Resolution2640x12161280x2772
Pixel density460 ppi+3%447 ppi
Refresh rate120 Hz165 Hz+38%
Peak brightness1,800 nits3,500 nits+94%
Screen-to-body93.4 %+3%90.3 %

Performance

Performance comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
ChipsetMediaTek Dimensity 8450Snapdragon 8 Elite
AnTuTu2,077,098—
RAM (max)12 GB16 GB+33%
Storage options256GB / 512GB256/512GB
Storage typeUFS 3.1UFS 4.1

Camera

Camera comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
Main camera200 MP+300%50 MP
Main aperturef/1.8f/1.7
Ultra-wide50 MP+525%8 MP
Telephoto50 MP—
Optical zoom3.5 x—
Max video4K@60fps8K@30fps
Front camera50 MP+150%20 MP
OISYesYes

Battery

Battery comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
Capacity6,200 mAh8,550 mAh+38%
Wired charging80 W100 W+25%

Design

Design comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
Weight187 g+18%227 g
Thickness8 mm+3%8.2 mm
IP ratingIP66/IP68/IP69IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB-CUSB-C
eSIMYesNo

Software

Software comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
OS at launchAndroid 16 (ColorOS 16)Android 16 (HyperOS 3)

Audio

Audio comparison: OPPO Reno15 versus REDMI K90 Ultra
SpecOPPO Reno15REDMI K90 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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