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InnoReviews

OPPO K13x 5G vs Samsung Galaxy S21

OPPO K13x 5G
37.3Inno Score
VS
WINNER
Samsung Galaxy S21
43.6Inno Score
21.8Performance34.4
45.2Display49.1
29Camera40.8
61.9Battery36.9
36Features78.7
5 spec wins — OPPO K13x 5G8 spec wins — Samsung Galaxy S21

InnoReviews verdict

Samsung Galaxy S21 wins this phone face-off, 43.6 to 37.3, pulling ahead mainly in features (+43) and performance (+13). 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 battery score: 62 vs 37
  • 317% higher Main camera: 50 MP vs 12 MP
  • 80% higher Wired charging: 45 W vs 25 W
  • 50% higher capacity: 6,000 mAh vs 4,000 mAh
  • Has 3.5mm jack — the other doesn't

Reasons to pick the Samsung Galaxy S21

  • Stronger performance score: 34 vs 22
  • Stronger display score: 49 vs 45
  • Stronger camera score: 41 vs 29
  • Stronger features score: 79 vs 36
  • 100% higher OS update pledge: 4 years vs 2 years

Display

Display comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
Screen size6.67 ″+8%6.2 ″
Panel typeIPS LCDAMOLED
Resolution1604x7202400x1080
Pixel density264 ppi421 ppi+59%
Refresh rate120 Hz120 Hz
Peak brightness1,000 nits1,300 nits+30%
Screen-to-body89.9 %—

Performance

Performance comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
ChipsetMediaTek Dimensity 6300Samsung Exynos 2100
AnTuTu—746,547Bottom 18%
AnTuTu 11 (CPU)—252,025Bottom 14%
AnTuTu 11 (GPU)—127,819Bottom 35%
AnTuTu 11 (Memory)—144,909Bottom 16%
AnTuTu 11 (UX)—221,794Bottom 18%
Geekbench 6 (single)785Bottom 19%1,430+82%Top 46%
Geekbench 6 (multi)1,984Bottom 16%3,550+79%Bottom 50%
RAM (max)8 GB8 GB
Storage options128GB128GB / 256GB
Storage typeUFS 2.2UFS 3.1

Camera

Camera comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
Main camera50 MP+317%12 MP
Main aperturef/1.8f/1.8
Ultra-wide—12 MP
Telephoto—64 MP
Max video1080p@60fps8K@24fps
Front camera8 MP10 MP+25%
OISNoYes

Battery

Battery comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
Capacity6,000 mAh+50%4,000 mAh
Wired charging45 W+80%25 W
Wireless charging—15 W

Design

Design comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
Weight194 g171 g+12%
Thickness7.9 mm7.9 mm
IP ratingIP65IP68
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 6
Bluetooth5.45.0
NFC—Yes
USBUSB-CUSB-C 3.2
eSIM—Yes

Software

Software comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
OS at launchAndroid 15 (ColorOS 15)Android 11 (One UI 3.1)
OS update pledge2 years4 years+100%

Audio

Audio comparison: OPPO K13x 5G versus Samsung Galaxy S21
SpecOPPO K13x 5GSamsung Galaxy S21
Stereo speakers—Yes
3.5mm jackYesNo

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