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InnoReviews

OPPO K13x 5G vs vivo Y31 5G

OPPO K13x 5G
37.3Inno Score
VS
WINNER
vivo Y31 5G
40.3Inno Score
21.8Performance20
45.2Display39.6
29Camera29
61.9Battery66.2
36Features73.3
5 spec wins — OPPO K13x 5G2 spec wins — vivo Y31 5G

InnoReviews verdict

vivo Y31 5G wins this phone face-off, 40.3 to 37.3, pulling ahead mainly in features (+37) and battery (+4). 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 K13x 5G

  • Stronger display score: 45 vs 40
  • 33% higher RAM (max): 8 GB vs 6 GB
  • Has 3.5mm jack — the other doesn't

Reasons to pick the vivo Y31 5G

  • Stronger battery score: 66 vs 62
  • Stronger features score: 73 vs 36

Display

Display comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
Screen size6.67 ″6.68 ″
Panel typeIPS LCDIPS LCD
Resolution1604x720720x1608
Pixel density264 ppi264 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,000 nits1,000 nits
Screen-to-body89.9 %—

Performance

Performance comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
ChipsetMediaTek Dimensity 6300Qualcomm Snapdragon 4 Gen 2
Geekbench 6 (single)785Bottom 19%—
Geekbench 6 (multi)1,984Bottom 16%—
RAM (max)8 GB+33%6 GB
Storage options128GB128GB
Storage typeUFS 2.2eMMC 5.1

Camera

Camera comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
Main camera50 MP50 MP
Main aperturef/1.8f/1.8
Max video1080p@60fps1080p@30fps
Front camera8 MP8 MP
OISNoNo

Battery

Battery comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
Capacity6,000 mAh6,500 mAh+8%
Wired charging45 W+2%44 W

Design

Design comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
Weight194 g+7%209 g
Thickness7.9 mm+6%8.4 mm
IP ratingIP65IP68/IP69
Frame materialPlastic—

Connectivity

Connectivity comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.44.2
NFC—No
USBUSB-CUSB-C 2.0
eSIM—No

Software

Software comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
OS at launchAndroid 15 (ColorOS 15)Android 15 (Funtouch OS 15)
OS update pledge2 years—

Audio

Audio comparison: OPPO K13x 5G versus vivo Y31 5G
SpecOPPO K13x 5Gvivo Y31 5G
Stereo speakers—Yes
3.5mm jackYesNo

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