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InnoReviews

Nothing Phone (4b) vs OPPO F31 Pro+ 5G

Nothing Phone (4b)
44.2Inno Score
VS
WINNER
OPPO F31 Pro+ 5G
56.3Inno Score
28.9Performance46.7
52.8Display59.6
42.6Camera45.9
49.7Battery79.8
65.3Features52
3 spec wins — Nothing Phone (4b)9 spec wins — OPPO F31 Pro+ 5G

InnoReviews verdict

OPPO F31 Pro+ 5G wins this phone face-off, 56.3 to 44.2, pulling ahead mainly in battery (+30) and performance (+18). Nothing Phone (4b) still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Nothing Phone (4b)

  • Stronger features score: 65 vs 52
  • 50% higher OS update pledge: 3 years vs 2 years
  • 25% higher Peak brightness: 2,000 nits vs 1,600 nits
  • Has NFC — the other doesn't

Reasons to pick the OPPO F31 Pro+ 5G

  • Stronger performance score: 47 vs 29
  • Stronger display score: 60 vs 53
  • Stronger camera score: 46 vs 43
  • Stronger battery score: 80 vs 50
  • 142% higher Wired charging: 80 W vs 33 W

Display

Display comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
Screen size6.77 ″6.8 ″
Panel typeAMOLEDAMOLED
Resolution1080x23442800x1280
Pixel density381 ppi453 ppi+19%
Refresh rate120 Hz120 Hz
Peak brightness2,000 nits+25%1,600 nits
Screen-to-body87.4 %93.5 %+7%

Performance

Performance comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
ChipsetSnapdragon 6 Gen 4Snapdragon 7 Gen 3
RAM (max)8 GB12 GB+50%
Storage options128GB/256GB256GB
Storage typeUFS 2.2UFS 3.1

Camera

Camera comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
Main camera50 MP50 MP
Main aperturef/1.8f/1.8
Ultra-wide8 MP—
Max video4K@30fps4K@30fps
Front camera16 MP32 MP+100%
OISYesYes

Battery

Battery comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
Capacity5,200 mAh7,000 mAh+35%
Wired charging33 W80 W+142%
Wireless charging0 W—

Design

Design comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
Weight210 g204 g+3%
Thickness8.6 mm7.9 mm+8%
IP ratingIP64IP66/IP68/IP69
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 6
Bluetooth6.05.2
NFCYesNo
USBUSB-C 2.0USB-C
eSIM—No

Software

Software comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
OS at launchAndroid 16 (Nothing OS 4.1)Android 15 (ColorOS 15)
OS update pledge3 years+50%2 years

Audio

Audio comparison: Nothing Phone (4b) versus OPPO F31 Pro+ 5G
SpecNothing Phone (4b)OPPO F31 Pro+ 5G
Stereo speakersYesYes
3.5mm jackNoNo

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