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InnoReviews

OPPO F31 Pro 5G vs Xiaomi 18 Fold

OPPO F31 Pro 5G
55.4Inno Score
VS
WINNER
Xiaomi 18 Fold
79.3Inno Score
46.7Performance91.6
55.2Display67
45.9Camera71.9
79.8Battery76.6
52Features86.7
7 spec wins — OPPO F31 Pro 5G4 spec wins — Xiaomi 18 Fold

InnoReviews verdict

Xiaomi 18 Fold wins this phone face-off, 79.3 to 55.4, pulling ahead mainly in performance (+45) and features (+35). 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 77
  • 100% higher Front camera: 32 MP vs 16 MP
  • 25% lower thickness: 8 mm vs 10.7 mm
  • 19% higher Wired charging: 80 W vs 67 W
  • 17% higher capacity: 7,000 mAh vs 6,000 mAh

Reasons to pick the Xiaomi 18 Fold

  • Stronger performance score: 92 vs 47
  • Stronger display score: 67 vs 55
  • Stronger camera score: 72 vs 46
  • Stronger features score: 87 vs 52
  • 300% higher Main camera: 200 MP vs 50 MP

Display

Display comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
Screen size6.57 ″7.58 ″+15%
Panel typeAMOLEDFoldable LTPO AMOLED
Resolution2372x10802364x1672
Pixel density397 ppi+4%382 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,400 nits4,000 nits+186%
Screen-to-body93 %+3%90.6 %

Performance

Performance comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
ChipsetDimensity 7300-EnergyXiaomi XRing O3
AnTuTu—4,811,636
Geekbench 6 (single)—3,448Top 7%
Geekbench 6 (multi)—12,758Top 1%
RAM (max)12 GB16 GB+33%
Storage options128GB / 256GB256/512GB/1TB
Storage typeUFS 3.1UFS 4.1

Camera

Camera comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
Main camera50 MP200 MP+300%
Main aperturef/1.8f/1.7
Ultra-wide—50 MP
Telephoto—50 MP
Optical zoom—3.5 x
Max video4K@30fps8K@24fps
Front camera32 MP+100%16 MP
OISYesYes

Battery

Battery comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
Capacity7,000 mAh+17%6,000 mAh
Wired charging80 W+19%67 W
Wireless charging—50 W

Design

Design comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
Weight190 g+13%219 g
Thickness8 mm+25%10.7 mm
IP ratingIP66/IP68/IP69IP58/IP59
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.46.0
NFC—Yes
USBUSB-C 2.0USB-C 3.2
eSIMNoNo

Software

Software comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
OS at launchAndroid 15 (ColorOS 15)Android 17 (HyperOS 4)
OS update pledge2 years—

Audio

Audio comparison: OPPO F31 Pro 5G versus Xiaomi 18 Fold
SpecOPPO F31 Pro 5GXiaomi 18 Fold
Stereo speakersYesYes
3.5mm jackNoNo

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