How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. F31 vs 15

OPPO F31 vs Realme 15

What F31 does better (2) and where 15 wins (15) — every spec side by side.

OPPO F31
OPPO · 2025F31
8.3Score
2 advantages≈ $340
vs
Realme 15
Realme · 202515
9.0Score
15 advantages≈ $320
Higher score
8.2Display9.4
5.5Camera8.5
9.2Battery9.2
6.7Features7.4
Dimensions

Size comparison

F3115
75 × 158.2875.9 × 163.37.7
F3115Difference
Height158.2 mm163.3 mm−5.1 mm
Width75 mm75.9 mm−0.9 mm
Thickness8 mm7.7 mm+0.3 mm
Weight185 g185 g=

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

Why is F31 better than 15?

  1. Memory card slotYes · 15: No
  2. Pixel density397 ppi vs 388 ppi+2%

Why is 15 better than F31?

  1. Peak brightness1,400 nits vs 4,500 nits3.2×
  2. RAM8 GB vs 12 GB+50%
  3. Optical stabilisationNo · F31: Yes
  4. Refresh rate120 Hz vs 144 Hz+20%
  5. Selfie camera16 MP vs 50 MP3.1×
  6. Storage (base)128 GB vs 256 GB2×
  7. Rear cameras1 vs 22×
  8. Ultra-wide cameraNo · F31: Yes
  9. Max video1080p vs 4K
  10. 4K selfie videoNo · F31: Yes
  11. CPU frequency2.4 GHz vs 2.6 GHz+8%
  12. Screen size6.6″ vs 6.8″+3%
Specifications

Side by side

OPPO F31OPPO F31≈ $3408.3
Realme 15Realme 15≈ $3209.0
Design
Weight185 g185 g
Thickness8 mm7.7 mm
Height158.2 mm163.3 mm
Width75 mm75.9 mm
Frame—Plastic
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionAGC DT-Star D+—
ColoursMidnight Blue, Bloom Red, Cloud GreenSilk Pink, Suit Titanium
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 Hz144 Hz
Peak brightness1,400 nits4,500 nits
Screen-to-body ratio88.5%89.5%
HDR—Yes
Performance
ChipsetMediatek Dimensity 6300Mediatek Dimensity 7300+
Chip makerMediaTekMediaTek
Process6 nm4 nm
CPU cores88
CPU frequency2.4 GHz2.6 GHz
GPUMali-G57 MC2Mali-G615 MC2
AnTuTu score—909,042
Geekbench 6 (multi-core)—2,916
Memory
RAM8 GB12 GB
Storage (max)256 GB256 GB
Storage (base)128 GB256 GB
Storage typeUFS 2.2UFS 3.1
Memory card slotYesNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/1.95"
Rear cameras12
Optical stabilisationNoYes
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video1080p4K
4K video frame rate—30 fps
Selfie camera16 MP50 MP
4K selfie videoNoYes
Battery
Battery capacity7,000 mAh7,000 mAh
Battery typeSi/CSi/C
Wired charging80 W80 W
Charged in 30 min—60%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 6
Bluetooth5.45.4
NFCNoNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared port—Yes
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, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
SAR (head)1.18 W/kg—
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceColorOS 15Realme UI 6.0
To compare: 0up to 4 models
Compare