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InnoReviews

OPPO A6 5G vs REDMI K90 Ultra

OPPO A6 5G
42.7Inno Score
VS
WINNER
REDMI K90 Ultra
69.1Inno Score
20Performance64.4
46.5Display78.7
29Camera43.4
71.3Battery83.2
73.3Features86.7
2 spec wins — OPPO A6 5G10 spec wins — REDMI K90 Ultra

InnoReviews verdict

REDMI K90 Ultra wins this phone face-off, 69.1 to 42.7, pulling ahead mainly in performance (+44) and display (+32). OPPO A6 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 A6 5G

No decisive spec advantages — this side competes on price and preference.

Reasons to pick the REDMI K90 Ultra

  • Stronger performance score: 64 vs 20
  • Stronger display score: 79 vs 47
  • Stronger camera score: 43 vs 29
  • Stronger battery score: 83 vs 71
  • Stronger features score: 87 vs 73

Display

Display comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
Screen size6.75 ″6.83 ″+1%
Panel typeIPS LCDAMOLED
Resolution1570x7201280x2772
Pixel density256 ppi447 ppi+75%
Refresh rate120 Hz165 Hz+38%
Peak brightness1,125 nits3,500 nits+211%
Screen-to-body90.6 %90.3 %

Performance

Performance comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
ChipsetMediaTek Dimensity 6300Snapdragon 8 Elite
RAM (max)6 GB16 GB+167%
Storage options128GB / 256GB256/512GB
Storage typeUFS 2.2UFS 4.1

Camera

Camera comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.7
Ultra-wide—8 MP
Max video1080p@60fps8K@30fps
Front camera8 MP20 MP+150%
OISNoYes

Battery

Battery comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
Capacity7,000 mAh8,550 mAh+22%
Wired charging45 W100 W+122%

Design

Design comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
Weight216 g+5%227 g
Thickness8.6 mm8.2 mm+5%
IP ratingIP66/IP68/IP69IP68/IP69
Frame material—Aluminum

Connectivity

Connectivity comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.45.4
NFC—Yes
USBUSB-CUSB-C
eSIM—No

Software

Software comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
OS at launchAndroid 15 (ColorOS 15)Android 16 (HyperOS 3)

Audio

Audio comparison: OPPO A6 5G versus REDMI K90 Ultra
SpecOPPO A6 5GREDMI K90 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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