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InnoReviews

OPPO K15 vs Samsung Galaxy S26 Ultra

OPPO K15
61.1Inno Score
VS
WINNER
Samsung Galaxy S26 Ultra
76Inno Score
46.7Performance90
53.6Display62.7
58.6Camera74
79.8Battery61.2
86.7Features94.7
4 spec wins — OPPO K156 spec wins — Samsung Galaxy S26 Ultra

InnoReviews verdict

Samsung Galaxy S26 Ultra wins this phone face-off, 76 to 61.1, pulling ahead mainly in performance (+43) and camera (+15). OPPO K15 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the OPPO K15

  • Stronger battery score: 80 vs 61
  • 317% higher Front camera: 50 MP vs 12 MP
  • 60% higher capacity: 8,000 mAh vs 5,000 mAh
  • 33% higher Wired charging: 80 W vs 60 W

Reasons to pick the Samsung Galaxy S26 Ultra

  • Stronger performance score: 90 vs 47
  • Stronger display score: 63 vs 54
  • Stronger camera score: 74 vs 59
  • Stronger features score: 95 vs 87
  • 300% higher Main camera: 200 MP vs 50 MP

Display

Display comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
Screen size6.59 ″6.9 ″+5%
Panel typeAMOLEDLTPO AMOLED
Resolution2760x12563120x1440
Pixel density460 ppi498 ppi+8%
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits2,600 nits+117%
Screen-to-body88.9 %—

Performance

Performance comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
ChipsetDimensity 7360 SuperSnapdragon 8 Elite Gen 5 for Galaxy
AnTuTu—3,437,807Top 7%
AnTuTu 11 (CPU)—1,017,509Top 7%
AnTuTu 11 (GPU)—1,344,505Top 7%
AnTuTu 11 (Memory)—390,717Top 19%
AnTuTu 11 (UX)—685,076Top 8%
Geekbench 6 (single)—3,850Top 1%
Geekbench 6 (multi)—11,900Top 1%
RAM (max)12 GB12 GB
Storage options256GB256GB / 512GB / 1TB
Storage typeUFS 3.1UFS 4.1

Camera

Camera comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
Main camera50 MP200 MP+300%
Main aperturef/1.8f/1.7
Ultra-wide50 MP50 MP
Telephoto—50 MP
Optical zoom—5 x
Max video4K@30fps8K@30fps
Front camera50 MP+317%12 MP
OISYesYes

Battery

Battery comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
Capacity8,000 mAh+60%5,000 mAh
Wired charging80 W+33%60 W
Wireless charging—25 W

Design

Design comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
Weight205 g+4%214 g
Thickness8.3 mm7.9 mm+5%
IP ratingIP68/IP69IP68
Frame materialAluminumTitanium

Connectivity

Connectivity comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB-C 2.0USB-C 3.2
eSIMNoYes

Software

Software comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
OS at launchAndroid 16 (ColorOS 16)Android 16 (One UI 8.5)
OS update pledge—7 years

Audio

Audio comparison: OPPO K15 versus Samsung Galaxy S26 Ultra
SpecOPPO K15Samsung Galaxy S26 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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