Skip to content
InnoReviews

OPPO F31 Pro 5G vs vivo X100 Ultra

OPPO F31 Pro 5G
55.4Inno Score
VS
WINNER
vivo X100 Ultra
71.8Inno Score
46.7Performance64.4
55.2Display67.6
45.9Camera75.8
79.8Battery75.5
52Features86.7
4 spec wins — OPPO F31 Pro 5G5 spec wins — vivo X100 Ultra

InnoReviews verdict

vivo X100 Ultra wins this phone face-off, 71.8 to 55.4, pulling ahead mainly in features (+35) and camera (+30). OPPO F31 Pro 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 Pro 5G

  • Stronger battery score: 80 vs 76
  • 27% higher capacity: 7,000 mAh vs 5,500 mAh
  • 17% lower weight: 190 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 47
  • Stronger display score: 68 vs 55
  • Stronger camera score: 76 vs 46
  • Stronger features score: 87 vs 52
  • 114% higher Peak brightness: 3,000 nits vs 1,400 nits

Display

Display comparison: OPPO F31 Pro 5G versus vivo X100 Ultra
SpecOPPO F31 Pro 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 Pro 5G versus vivo X100 Ultra
SpecOPPO F31 Pro 5Gvivo X100 Ultra
ChipsetDimensity 7300-EnergyQualcomm Snapdragon 8 Gen 3
RAM (max)12 GB16 GB+33%
Storage options128GB / 256GB256/512GB/1TB
Storage typeUFS 3.1UFS 4.0

Camera

Camera comparison: OPPO F31 Pro 5G versus vivo X100 Ultra
SpecOPPO F31 Pro 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 video4K@30fps8K@30fps
Front camera32 MP50 MP+56%
OISYesYes

Battery

Battery comparison: OPPO F31 Pro 5G versus vivo X100 Ultra
SpecOPPO F31 Pro 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 Pro 5G versus vivo X100 Ultra
SpecOPPO F31 Pro 5Gvivo X100 Ultra
Weight190 g+17%229 g
Thickness8 mm+13%9.2 mm
IP ratingIP66/IP68/IP69IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO F31 Pro 5G versus vivo X100 Ultra
SpecOPPO F31 Pro 5Gvivo X100 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFC—Yes
USBUSB-C 2.0USB-C 3.2
eSIMNoNo

Software

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

Audio

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

Related comparisons

OPPO F31 Pro 5Gvs Motorola Edge (2026)VSOPPO F31 Pro 5Gvs vivo V60eVSOPPO F31 Pro 5Gvs Huawei nova 12 UltraVSOPPO F31 Pro 5Gvs Huawei nova 15VSvivo 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