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InnoReviews

OPPO K15 vs Vivo X300s

OPPO K15
61.1Inno Score
VS
WINNER
Vivo X300s
76.8Inno Score
46.7Performance64.4
53.6Display78.5
58.6Camera78.1
79.8Battery88.7
86.7Features84
3 spec wins — OPPO K158 spec wins — Vivo X300s

InnoReviews verdict

Vivo X300s wins this phone face-off, 76.8 to 61.1, pulling ahead mainly in display (+25) and camera (+19). 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

  • 13% higher capacity: 8,000 mAh vs 7,100 mAh

Reasons to pick the Vivo X300s

  • Stronger performance score: 64 vs 47
  • Stronger display score: 79 vs 54
  • Stronger camera score: 78 vs 59
  • Stronger battery score: 89 vs 80
  • 300% higher Main camera: 200 MP vs 50 MP

Display

Display comparison: OPPO K15 versus Vivo X300s
SpecOPPO K15Vivo X300s
Screen size6.59 ″6.78 ″+3%
Panel typeAMOLEDLTPO AMOLED
Resolution2760x12561260x2800
Pixel density460 ppi+2%452 ppi
Refresh rate120 Hz144 Hz+20%
Peak brightness1,200 nits—
Screen-to-body88.9 %91.1 %+2%

Performance

Performance comparison: OPPO K15 versus Vivo X300s
SpecOPPO K15Vivo X300s
ChipsetDimensity 7360 SuperMediaTek Dimensity 9500
RAM (max)12 GB16 GB+33%
Storage options256GB256/512GB/1TB
Storage typeUFS 3.1UFS 4.1

Camera

Camera comparison: OPPO K15 versus Vivo X300s
SpecOPPO K15Vivo X300s
Main camera50 MP200 MP+300%
Main aperturef/1.8f/1.68
Ultra-wide50 MP50 MP
Telephoto—50 MP
Optical zoom—3 x
Max video4K@30fps4K@120fps
Front camera50 MP50 MP
OISYesYes

Battery

Battery comparison: OPPO K15 versus Vivo X300s
SpecOPPO K15Vivo X300s
Capacity8,000 mAh+13%7,100 mAh
Wired charging80 W90 W+13%
Wireless charging—40 W

Design

Design comparison: OPPO K15 versus Vivo X300s
SpecOPPO K15Vivo X300s
Weight205 g+6%217 g
Thickness8.3 mm8 mm+4%
IP ratingIP68/IP69IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO K15 versus Vivo X300s
SpecOPPO K15Vivo X300s
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 Vivo X300s
SpecOPPO K15Vivo X300s
OS at launchAndroid 16 (ColorOS 16)Android 16 (OriginOS 6)
OS update pledge—5 years

Audio

Audio comparison: OPPO K15 versus Vivo X300s
SpecOPPO K15Vivo X300s
Stereo speakersYesYes
3.5mm jackNoNo

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