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OPPO F31 Pro vs Vivo Y400 Pro

What F31 Pro does better (6) and where Y400 Pro wins (6) — every spec side by side.

OPPO F31 Pro
OPPO · 2025F31 Pro
8.8Score
6 advantages≈ $280
Higher score
vs
Vivo Y400 Pro
Vivo · 2025Y400 Pro
8.2Score
6 advantages≈ $270
8.2Display8.7
7.8Camera6.4
9.2Battery8.7
7.4Features5.8
Dimensions

Size comparison

F31 ProY400 Pro
75 × 158.2875 × 163.87.5
F31 ProY400 ProDifference
Height158.2 mm163.8 mm−5.6 mm
Width75 mm75 mm=
Thickness8 mm7.5 mm+0.5 mm
Weight190 g182 g+8 g

Drawn to the same scale from the official dimensions (front and side).

Why is F31 Pro better than Y400 Pro?

  1. Battery capacity7,000 mAh vs 5,500 mAh+27%
  2. RAM12 GB vs 8 GB+50%
  3. Optical stabilisationYes · Y400 Pro: No
  4. Water resistance (IPx)IPx8 vs IPx5+60%
  5. Pixel density397 ppi vs 388 ppi+2%
  6. Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%

Why is Y400 Pro better than F31 Pro?

  1. Peak brightness1,400 nits vs 4,500 nits3.2×
  2. Wired charging80 W vs 90 W+12%
  3. Weight190 g vs 182 g+4%
  4. Screen size6.6″ vs 6.8″+3%
  5. Charged in 30 min56% vs 79%+41%
  6. Thickness8 mm vs 7.5 mm+7%
Specifications

Side by side

OPPO F31 ProOPPO F31 Pro≈ $2808.8
Vivo Y400 ProVivo Y400 Pro≈ $2708.2
Design
Weight190 g182 g
Thickness8 mm7.5 mm
Height158.2 mm163.8 mm
Width75 mm75 mm
Frame—Plastic
Back—Plastic
Ingress protectionIP68IP65
Water resistance (IPx)IPx8IPx5
Glass protectionDT-Star D+—
ColoursSpace Grey, Desert GoldFest Gold, Freestyle White, Nebula Purple
Display
Screen size6.6″6.8″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,372 px2,392 px
Pixel density397 ppi388 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,400 nits4,500 nits
Screen-to-body ratio88.5%90.3%
HDR—Yes
Performance
ChipsetMediatek Dimensity 7300Mediatek Dimensity 7300
Chip makerMediaTekMediaTek
Process4 nm4 nm
CPU cores88
CPU frequency2.5 GHz2.5 GHz
GPUMali-G615 MC2Mali-G615 MC2
Memory
RAM12 GB8 GB
Storage (max)256 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 3.1UFS 3.1
Memory card slotNoNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/1.95"
Rear cameras11
Optical stabilisationYesNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video4K4K
4K video frame rate30 fps30 fps
Selfie camera32 MP32 MP
4K selfie videoYesYes
Battery
Battery capacity7,000 mAh5,500 mAh
Battery typeSi/CLi-Ion
Wired charging80 W90 W
Charged in 30 min56%79%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 6Wi-Fi 5
Bluetooth5.45.4
NFCNoNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorUnder displayUnder display
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
SAR (head)1.13 W/kg0.85 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceColorOS 15Funtouch 15
To compare: 0up to 4 models
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