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InnoReviews

OPPO F31 5G vs vivo X100 Ultra

OPPO F31 5G
47Inno Score
VS
WINNER
vivo X100 Ultra
71.8Inno Score
28.9Performance64.4
55.2Display67.6
30.7Camera75.8
79.8Battery75.5
52Features86.7
4 spec wins — OPPO F31 5G6 spec wins — vivo X100 Ultra

InnoReviews verdict

vivo X100 Ultra wins this phone face-off, 71.8 to 47, pulling ahead mainly in camera (+45) and performance (+36). OPPO F31 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 F31 5G

  • Stronger battery score: 80 vs 76
  • 27% higher capacity: 7,000 mAh vs 5,500 mAh
  • 19% lower weight: 185 g vs 229 g
  • 13% lower thickness: 8 mm vs 9.2 mm

Reasons to pick the vivo X100 Ultra

  • Stronger performance score: 64 vs 29
  • Stronger display score: 68 vs 55
  • Stronger camera score: 76 vs 31
  • Stronger features score: 87 vs 52
  • 213% higher Front camera: 50 MP vs 16 MP

Display

Display comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
Screen size6.57 ″6.78 ″+3%
Panel typeAMOLEDLTPO AMOLED
Resolution2372x10801440x3200
Pixel density397 ppi517 ppi+30%
Refresh rate120 Hz120 Hz
Peak brightness1,400 nits3,000 nits+114%
Screen-to-body93 %+4%89.8 %

Performance

Performance comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
ChipsetDimensity 6300Qualcomm Snapdragon 8 Gen 3
RAM (max)8 GB16 GB+100%
Storage options128GB / 256GB256/512GB/1TB
Storage typeUFS 2.2UFS 4.0

Camera

Camera comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.75
Ultra-wide—50 MP
Telephoto—200 MP
Optical zoom—3.7 x
Max video1080p@60fps8K@30fps
Front camera16 MP50 MP+213%
OIS—Yes

Battery

Battery comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
Capacity7,000 mAh+27%5,500 mAh
Wired charging80 W80 W
Wireless charging—30 W
Active use endurance—12.9 h

Design

Design comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
Weight185 g+19%229 g
Thickness8 mm+13%9.2 mm
IP ratingIP66/IP68/IP69IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.45.4
NFCNoYes
USBUSB-C 2.0USB-C 3.2
eSIMNoNo

Software

Software comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
OS at launchAndroid 15 (ColorOS 15)Android 14 (OriginOS 4)
OS update pledge2 years—

Audio

Audio comparison: OPPO F31 5G versus vivo X100 Ultra
SpecOPPO F31 5Gvivo X100 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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