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InnoReviews

OPPO F31 5G vs OPPO Find X9

OPPO F31 5G
47Inno Score
VS
WINNER
OPPO Find X9
73.1Inno Score
28.9Performance64.4
55.2Display72.7
30.7Camera65.5
79.8Battery88.7
52Features84
1 spec wins — OPPO F31 5G11 spec wins — OPPO Find X9

InnoReviews verdict

OPPO Find X9 wins this phone face-off, 73.1 to 47, pulling ahead mainly in performance (+36) and camera (+35). 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

No decisive spec advantages — this side competes on price and preference.

Reasons to pick the OPPO Find X9

  • Stronger performance score: 64 vs 29
  • Stronger display score: 73 vs 55
  • Stronger camera score: 66 vs 31
  • Stronger battery score: 89 vs 80
  • Stronger features score: 84 vs 52

Display

Display comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
Screen size6.57 ″6.59 ″
Panel typeAMOLEDAMOLED
Resolution2372x10802760x1256
Pixel density397 ppi460 ppi+16%
Refresh rate120 Hz120 Hz
Peak brightness1,400 nits3,600 nits+157%
Screen-to-body93 %95.4 %+3%

Performance

Performance comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
ChipsetDimensity 6300Dimensity 9500
RAM (max)8 GB16 GB+100%
Storage options128GB / 256GB256GB / 512GB / 1TB
Storage typeUFS 2.2UFS 4.1

Camera

Camera comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
Main camera50 MP50 MP
Main aperturef/1.8f/1.6
Ultra-wide—50 MP
Telephoto—50 MP
Optical zoom—3 x
Max video1080p@60fps4K@120fps
Front camera16 MP32 MP+100%
OIS—Yes

Battery

Battery comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
Capacity7,000 mAh7,025 mAh
Wired charging80 W80 W
Wireless charging—50 W

Design

Design comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
Weight185 g+9%203 g
Thickness8 mm8 mm
IP ratingIP66/IP68/IP69IP66/IP68/IP69
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.46.0
NFCNoYes
USBUSB-C 2.0USB-C
eSIMNoYes

Software

Software comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
OS at launchAndroid 15 (ColorOS 15)Android 16 (ColorOS 16)
OS update pledge2 years5 years+150%

Audio

Audio comparison: OPPO F31 5G versus OPPO Find X9
SpecOPPO F31 5GOPPO Find X9
Stereo speakersYesYes
3.5mm jackNoNo

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