Skip to content
InnoReviews

Samsung Galaxy S21 FE 5G vs vivo X100 Ultra

Samsung Galaxy S21 FE 5G
45.2Inno Score
VS
WINNER
vivo X100 Ultra
71.8Inno Score
37.5Performance64.4
47.2Display67.6
41.7Camera75.8
41.7Battery75.5
78.7Features86.7
3 spec wins — Samsung Galaxy S21 FE 5G12 spec wins — vivo X100 Ultra

InnoReviews verdict

vivo X100 Ultra wins this phone face-off, 71.8 to 45.2, pulling ahead mainly in camera (+34) and battery (+34). Samsung Galaxy S21 FE 5G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Samsung Galaxy S21 FE 5G

  • 23% lower weight: 177 g vs 229 g
  • 14% lower thickness: 7.9 mm vs 9.2 mm
  • Has eSIM — the other doesn't

Reasons to pick the vivo X100 Ultra

  • Stronger performance score: 64 vs 38
  • Stronger display score: 68 vs 47
  • Stronger camera score: 76 vs 42
  • Stronger battery score: 76 vs 42
  • Stronger features score: 87 vs 79

Display

Display comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
Screen size6.4 ″6.78 ″+6%
Panel typeAMOLEDLTPO AMOLED
Resolution2340x10801440x3200
Pixel density401 ppi517 ppi+29%
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits3,000 nits+150%
Screen-to-body—89.8 %

Performance

Performance comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
ChipsetSnapdragon 888Qualcomm Snapdragon 8 Gen 3
AnTuTu1,040,324—
Geekbench 6 (single)1,450Top 44%—
Geekbench 6 (multi)3,650Top 50%—
RAM (max)6 GB16 GB+167%
Storage options128GB / 256GB256/512GB/1TB
Storage typeUFS 3.1UFS 4.0

Camera

Camera comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
Main camera12 MP50 MP+317%
Main aperturef/1.8f/1.75
Ultra-wide12 MP50 MP+317%
Telephoto8 MP200 MP+2400%
Optical zoom3 x3.7 x+23%
Max video4K@60fps8K@30fps
Front camera32 MP50 MP+56%
OISYesYes

Battery

Battery comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
Capacity4,500 mAh5,500 mAh+22%
Wired charging25 W80 W+220%
Wireless charging15 W30 W+100%
Active use endurance—12.9 h

Design

Design comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
Weight177 g+23%229 g
Thickness7.9 mm+14%9.2 mm
IP ratingIP68IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.05.4
NFCYesYes
USBUSB-C 3.2USB-C 3.2
eSIMYesNo

Software

Software comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
OS at launchAndroid 12 (One UI 4)Android 14 (OriginOS 4)
OS update pledge4 years—

Audio

Audio comparison: Samsung Galaxy S21 FE 5G versus vivo X100 Ultra
SpecSamsung Galaxy S21 FE 5Gvivo X100 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

Related comparisons

Samsung 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 ProVSvivo X100 Ultravs Honor Magic V Flip2VSvivo X100 Ultravs Honor 500VSvivo X100 Ultravs POCO F7 UltraVSvivo X100 Ultravs Asus ROG Phone 9 ProVS

Try another matchup