Skip to content
InnoReviews

OPPO K13x 5G vs Samsung Galaxy S21 FE 5G

OPPO K13x 5G
37.3Inno Score
VS
WINNER
Samsung Galaxy S21 FE 5G
45.2Inno Score
21.8Performance37.5
45.2Display47.2
29Camera41.7
61.9Battery41.7
36Features78.7
6 spec wins — OPPO K13x 5G8 spec wins — Samsung Galaxy S21 FE 5G

InnoReviews verdict

Samsung Galaxy S21 FE 5G wins this phone face-off, 45.2 to 37.3, pulling ahead mainly in features (+43) and performance (+16). 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 42
  • 317% higher Main camera: 50 MP vs 12 MP
  • 80% higher Wired charging: 45 W vs 25 W
  • 33% higher RAM (max): 8 GB vs 6 GB
  • 33% higher capacity: 6,000 mAh vs 4,500 mAh

Reasons to pick the Samsung Galaxy S21 FE 5G

  • Stronger performance score: 38 vs 22
  • Stronger camera score: 42 vs 29
  • Stronger features score: 79 vs 36
  • 300% higher Front camera: 32 MP vs 8 MP
  • 100% higher OS update pledge: 4 years vs 2 years

Display

Display comparison: OPPO K13x 5G versus Samsung Galaxy S21 FE 5G
SpecOPPO K13x 5GSamsung Galaxy S21 FE 5G
Screen size6.67 ″+4%6.4 ″
Panel typeIPS LCDAMOLED
Resolution1604x7202340x1080
Pixel density264 ppi401 ppi+52%
Refresh rate120 Hz120 Hz
Peak brightness1,000 nits1,200 nits+20%
Screen-to-body89.9 %—

Performance

Performance comparison: OPPO K13x 5G versus Samsung Galaxy S21 FE 5G
SpecOPPO K13x 5GSamsung Galaxy S21 FE 5G
ChipsetMediaTek Dimensity 6300Snapdragon 888
AnTuTu—1,040,324
Geekbench 6 (single)785Bottom 19%1,450+85%Top 44%
Geekbench 6 (multi)1,984Bottom 16%3,650+84%Top 50%
RAM (max)8 GB+33%6 GB
Storage options128GB128GB / 256GB
Storage typeUFS 2.2UFS 3.1

Camera

Camera comparison: OPPO K13x 5G versus Samsung Galaxy S21 FE 5G
SpecOPPO K13x 5GSamsung Galaxy S21 FE 5G
Main camera50 MP+317%12 MP
Main aperturef/1.8f/1.8
Ultra-wide—12 MP
Telephoto—8 MP
Optical zoom—3 x
Max video1080p@60fps4K@60fps
Front camera8 MP32 MP+300%
OISNoYes

Battery

Battery comparison: OPPO K13x 5G versus Samsung Galaxy S21 FE 5G
SpecOPPO K13x 5GSamsung Galaxy S21 FE 5G
Capacity6,000 mAh+33%4,500 mAh
Wired charging45 W+80%25 W
Wireless charging—15 W

Design

Design comparison: OPPO K13x 5G versus Samsung Galaxy S21 FE 5G
SpecOPPO K13x 5GSamsung Galaxy S21 FE 5G
Weight194 g177 g+9%
Thickness7.9 mm7.9 mm
IP ratingIP65IP68
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: OPPO K13x 5G versus Samsung Galaxy S21 FE 5G
SpecOPPO K13x 5GSamsung Galaxy S21 FE 5G
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 FE 5G
SpecOPPO K13x 5GSamsung Galaxy S21 FE 5G
OS at launchAndroid 15 (ColorOS 15)Android 12 (One UI 4)
OS update pledge2 years4 years+100%

Audio

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

Related comparisons

OPPO K13x 5Gvs Samsung Galaxy A18 4GVSOPPO K13x 5Gvs HONOR 200 LiteVSOPPO K13x 5Gvs itel S25 UltraVSOPPO K13x 5Gvs OPPO A6x 5GVSSamsung Galaxy S21 FE 5Gvs OPPO Reno12 F 5GVSSamsung Galaxy S21 FE 5Gvs realme P3 5GVSSamsung Galaxy S21 FE 5Gvs TECNO CAMON 30S ProVSSamsung Galaxy S21 FE 5Gvs realme C85 ProVS

Try another matchup