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InnoReviews

OPPO F31 Pro+ 5G vs OPPO K13x 5G

WINNER
OPPO F31 Pro+ 5G
56.3Inno Score
VS
OPPO K13x 5G
37.3Inno Score
46.7Performance21.8
59.6Display45.2
45.9Camera29
79.8Battery61.9
52Features36
9 spec wins — OPPO F31 Pro+ 5G2 spec wins — OPPO K13x 5G

InnoReviews verdict

OPPO F31 Pro+ 5G wins this phone face-off, 56.3 to 37.3, pulling ahead mainly in performance (+25) and battery (+18). OPPO K13x 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 Pro+ 5G

  • Stronger performance score: 47 vs 22
  • Stronger display score: 60 vs 45
  • Stronger camera score: 46 vs 29
  • Stronger battery score: 80 vs 62
  • Stronger features score: 52 vs 36

Reasons to pick the OPPO K13x 5G

  • Has 3.5mm jack — the other doesn't

Display

Display comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
Screen size6.8 ″+2%6.67 ″
Panel typeAMOLEDIPS LCD
Resolution2800x12801604x720
Pixel density453 ppi+72%264 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,600 nits+60%1,000 nits
Screen-to-body93.5 %+4%89.9 %

Performance

Performance comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
ChipsetSnapdragon 7 Gen 3MediaTek Dimensity 6300
Geekbench 6 (single)—785Bottom 19%
Geekbench 6 (multi)—1,984Bottom 16%
RAM (max)12 GB+50%8 GB
Storage options256GB128GB
Storage typeUFS 3.1UFS 2.2

Camera

Camera comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
Main camera50 MP50 MP
Main aperturef/1.8f/1.8
Max video4K@30fps1080p@60fps
Front camera32 MP+300%8 MP
OISYesNo

Battery

Battery comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
Capacity7,000 mAh+17%6,000 mAh
Wired charging80 W+78%45 W

Design

Design comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
Weight204 g194 g+5%
Thickness7.9 mm7.9 mm
IP ratingIP66/IP68/IP69IP65
Frame materialAluminumPlastic

Connectivity

Connectivity comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 5
Bluetooth5.25.4
NFCNo—
USBUSB-CUSB-C
eSIMNo—

Software

Software comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
OS at launchAndroid 15 (ColorOS 15)Android 15 (ColorOS 15)
OS update pledge2 years2 years

Audio

Audio comparison: OPPO F31 Pro+ 5G versus OPPO K13x 5G
SpecOPPO F31 Pro+ 5GOPPO K13x 5G
Stereo speakersYes—
3.5mm jackNoYes

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