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InnoReviews

OPPO F31 Pro+ 5G vs Redmi 9

WINNER
OPPO F31 Pro+ 5G
56.3Inno Score
VS
Redmi 9

Xiaomi

Redmi 9

$149

26.6Inno Score
46.7Performance20
59.6Display29.6
45.9Camera20.5
79.8Battery39
52Features28
12 spec wins — OPPO F31 Pro+ 5G3 spec wins — Redmi 9

InnoReviews verdict

OPPO F31 Pro+ 5G wins this phone face-off, 56.3 to 26.6, pulling ahead mainly in battery (+41) and display (+30). Redmi 9 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 performance score: 47 vs 20
  • Stronger display score: 60 vs 30
  • Stronger camera score: 46 vs 21
  • Stronger battery score: 80 vs 39
  • Stronger features score: 52 vs 28

Reasons to pick the Redmi 9

  • Has NFC — the other doesn't
  • Has 3.5mm jack — the other doesn't

Display

Display comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
Screen size6.8 ″+4%6.53 ″
Panel typeAMOLEDIPS LCD
Resolution2800x12802340x1080
Pixel density453 ppi+15%394 ppi
Refresh rate120 Hz+100%60 Hz
Peak brightness1,600 nits—
Screen-to-body93.5 %—

Performance

Performance comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
ChipsetSnapdragon 7 Gen 3MediaTek Helio G80
AnTuTu—260,000
Geekbench 6 (single)—410Bottom 3%
Geekbench 6 (multi)—1,320Bottom 2%
RAM (max)12 GB+200%4 GB
Storage options256GB32GB / 64GB
Storage typeUFS 3.1eMMC 5.1

Camera

Camera comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
Main camera50 MP+285%13 MP
Main aperturef/1.8f/2.2
Ultra-wide—8 MP
Max video4K@30fps1080p@30fps
Front camera32 MP+300%8 MP
OISYesNo

Battery

Battery comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
Capacity7,000 mAh+39%5,020 mAh
Wired charging80 W+344%18 W

Design

Design comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
Weight204 g198 g+3%
Thickness7.9 mm+13%9.1 mm
IP ratingIP66/IP68/IP69—
Frame materialAluminumPlastic

Connectivity

Connectivity comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
5GYesNo
Wi-FiWi-Fi 6Wi-Fi 5
Bluetooth5.25.0
NFCNoYes
USBUSB-CUSB-C 2.0
eSIMNoNo

Software

Software comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
OS at launchAndroid 15 (ColorOS 15)Android 10 (MIUI 12)
OS update pledge2 years2 years

Audio

Audio comparison: OPPO F31 Pro+ 5G versus Redmi 9
SpecOPPO F31 Pro+ 5GRedmi 9
Stereo speakersYesNo
3.5mm jackNoYes

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