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InnoReviews

OPPO K13x 5G vs vivo V40

OPPO K13x 5G
37.3Inno Score
VS
WINNER
vivo V40
59.8Inno Score
21.8Performance26.1
45.2Display73
29Camera58.6
61.9Battery78.4
36Features100
2 spec wins — OPPO K13x 5G12 spec wins — vivo V40

InnoReviews verdict

vivo V40 wins this phone face-off, 59.8 to 37.3, pulling ahead mainly in features (+64) and camera (+30). 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

  • Has 3.5mm jack — the other doesn't

Reasons to pick the vivo V40

  • Stronger performance score: 26 vs 22
  • Stronger display score: 73 vs 45
  • Stronger camera score: 59 vs 29
  • Stronger battery score: 78 vs 62
  • Stronger features score: 100 vs 36

Display

Display comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
Screen size6.67 ″6.78 ″+2%
Panel typeIPS LCDAMOLED
Resolution1604x7201260x2800
Pixel density264 ppi452 ppi+71%
Refresh rate120 Hz120 Hz
Peak brightness1,000 nits4,500 nits+350%
Screen-to-body89.9 %90.1 %

Performance

Performance comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
ChipsetMediaTek Dimensity 6300Qualcomm Snapdragon 7 Gen 3
Geekbench 6 (single)785Bottom 19%1,178+50%Bottom 47%
Geekbench 6 (multi)1,984Bottom 16%3,208+62%Bottom 44%
RAM (max)8 GB12 GB+50%
Storage options128GB128/256/512GB
Storage typeUFS 2.2UFS 2.2

Camera

Camera comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
Main camera50 MP50 MP
Main aperturef/1.8f/1.88
Ultra-wide—50 MP
Max video1080p@60fps4K@30fps
Front camera8 MP50 MP+525%
OISNoYes

Battery

Battery comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
Capacity6,000 mAh+9%5,500 mAh
Wired charging45 W80 W+78%
Active use endurance—15.1 h

Design

Design comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
Weight194 g190 g+2%
Thickness7.9 mm7.6 mm+4%
IP ratingIP65IP68/IP69
Frame materialPlasticPlastic

Connectivity

Connectivity comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
5GYesYes
Wi-FiWi-Fi 5—
Bluetooth5.45.4
NFC—Yes
USBUSB-CUSB-C 2.0
eSIM—Yes

Software

Software comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
OS at launchAndroid 15 (ColorOS 15)Android 14 (Funtouch OS 14)
OS update pledge2 years—

Audio

Audio comparison: OPPO K13x 5G versus vivo V40
SpecOPPO K13x 5Gvivo V40
Stereo speakers—Yes
3.5mm jackYesNo

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