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InnoReviews

OPPO K15 vs Samsung Galaxy S23 Ultra

OPPO K15
61.1Inno Score
VS
WINNER
Samsung Galaxy S23 Ultra
62.6Inno Score
46.7Performance54.3
53.6Display59.7
58.6Camera69.9
79.8Battery62.8
86.7Features78.7
6 spec wins — OPPO K156 spec wins — Samsung Galaxy S23 Ultra

InnoReviews verdict

Samsung Galaxy S23 Ultra wins this phone face-off, 62.6 to 61.1, pulling ahead mainly in camera (+11) and performance (+8). 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 63
  • Stronger features score: 87 vs 79
  • 317% higher ultra-wide: 50 MP vs 12 MP
  • 317% higher Front camera: 50 MP vs 12 MP
  • 78% higher Wired charging: 80 W vs 45 W

Reasons to pick the Samsung Galaxy S23 Ultra

  • Stronger performance score: 54 vs 47
  • Stronger display score: 60 vs 54
  • Stronger camera score: 70 vs 59
  • 300% higher Main camera: 200 MP vs 50 MP
  • 46% higher Peak brightness: 1,750 nits vs 1,200 nits

Display

Display comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
Screen size6.59 ″6.8 ″+3%
Panel typeAMOLEDDynamic AMOLED 2X
Resolution2760x12561440x3088
Pixel density460 ppi501 ppi+9%
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits1,750 nits+46%
Screen-to-body88.9 %89.9 %+1%

Performance

Performance comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
ChipsetDimensity 7360 SuperSnapdragon 8 Gen 2 for Galaxy
AnTuTu—1,677,954Bottom 50%
AnTuTu 11 (CPU)—550,163Bottom 51%
AnTuTu 11 (GPU)—416,322Bottom 47%
AnTuTu 11 (Memory)—277,973Bottom 51%
AnTuTu 11 (UX)—433,496Top 44%
Geekbench 6 (single)—2,000Top 34%
Geekbench 6 (multi)—5,400Top 34%
RAM (max)12 GB12 GB
Storage options256GB256/512GB/1TB
Storage typeUFS 3.1UFS 4.0

Camera

Camera comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
Main camera50 MP200 MP+300%
Main aperturef/1.8f/1.7
Ultra-wide50 MP+317%12 MP
Telephoto—10 MP
Optical zoom—10 x
Max video4K@30fps8K@30fps
Front camera50 MP+317%12 MP
OISYesYes

Battery

Battery comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
Capacity8,000 mAh+60%5,000 mAh
Wired charging80 W+78%45 W
Wireless charging—15 W
Active use endurance—12 h

Design

Design comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
Weight205 g+12%234 g
Thickness8.3 mm+7%8.9 mm
IP ratingIP68/IP69IP68
Frame materialAluminumArmor Aluminum

Connectivity

Connectivity comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 6E
Bluetooth5.45.3
NFCYesYes
USBUSB-C 2.0USB-C 3.2
eSIMNoYes

Software

Software comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
OS at launchAndroid 16 (ColorOS 16)Android 13 (One UI 5.1)
OS update pledge—4 years

Audio

Audio comparison: OPPO K15 versus Samsung Galaxy S23 Ultra
SpecOPPO K15Samsung Galaxy S23 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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