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InnoReviews

OPPO F31 5G vs OPPO K15

OPPO F31 5G
47Inno Score
VS
WINNER
OPPO K15
61.1Inno Score
28.9Performance46.7
55.2Display53.6
30.7Camera58.6
79.8Battery79.8
52Features86.7
4 spec wins — OPPO F31 5G6 spec wins — OPPO K15

InnoReviews verdict

OPPO K15 wins this phone face-off, 61.1 to 47, pulling ahead mainly in features (+35) and camera (+28). OPPO F31 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 F31 5G

  • 17% higher Peak brightness: 1,400 nits vs 1,200 nits
  • 10% lower weight: 185 g vs 205 g

Reasons to pick the OPPO K15

  • Stronger performance score: 47 vs 29
  • Stronger camera score: 59 vs 31
  • Stronger features score: 87 vs 52
  • 213% higher Front camera: 50 MP vs 16 MP
  • 50% higher RAM (max): 12 GB vs 8 GB

Display

Display comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
Screen size6.57 ″6.59 ″
Panel typeAMOLEDAMOLED
Resolution2372x10802760x1256
Pixel density397 ppi460 ppi+16%
Refresh rate120 Hz120 Hz
Peak brightness1,400 nits+17%1,200 nits
Screen-to-body93 %+5%88.9 %

Performance

Performance comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
ChipsetDimensity 6300Dimensity 7360 Super
RAM (max)8 GB12 GB+50%
Storage options128GB / 256GB256GB
Storage typeUFS 2.2UFS 3.1

Camera

Camera comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
Main camera50 MP50 MP
Main aperturef/1.8f/1.8
Ultra-wide—50 MP
Max video1080p@60fps4K@30fps
Front camera16 MP50 MP+213%
OIS—Yes

Battery

Battery comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
Capacity7,000 mAh8,000 mAh+14%
Wired charging80 W80 W

Design

Design comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
Weight185 g+10%205 g
Thickness8 mm+4%8.3 mm
IP ratingIP66/IP68/IP69IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 6
Bluetooth5.45.4
NFCNoYes
USBUSB-C 2.0USB-C 2.0
eSIMNoNo

Software

Software comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
OS at launchAndroid 15 (ColorOS 15)Android 16 (ColorOS 16)
OS update pledge2 years—

Audio

Audio comparison: OPPO F31 5G versus OPPO K15
SpecOPPO F31 5GOPPO K15
Stereo speakersYesYes
3.5mm jackNoNo

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