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  3. C85 vs Y31

Realme C85 vs Vivo Y31

What C85 does better (9) and where Y31 wins (5) — every spec side by side.

Realme C85
Realme · 2025C85
7.6Score
9 advantages
Higher score
vs
Vivo Y31
Vivo · 2025Y31
7.4Score
5 advantages≈ $160
7.3Display6.2
4.6Camera4.6
8.8Battery8.4
7.6Features6.7
Dimensions

Size comparison

C85Y31
77.9 × 166.18.477 × 166.18.4
C85Y31Difference
Height166.1 mm166.1 mm=
Width77.9 mm77 mm+0.9 mm
Thickness8.4 mm8.4 mm=
Weight215 g209 g+6 g

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

Why is C85 better than Y31?

  1. NFCYes · Y31: No
  2. Battery capacity7,000 mAh vs 6,500 mAh+8%
  3. Refresh rate144 Hz vs 120 Hz+20%
  4. Wired charging45 W vs 44 W+2%
  5. Peak brightness1,200 nits vs 1,000 nits+20%
  6. CPU frequency2.4 GHz vs 2.2 GHz+9%
  7. Charged in 30 min50% vs 39%+28%
  8. Bluetooth5.3 vs 4.2+26%
  9. Screen-to-body ratio87.4% vs 84%+4%

Why is Y31 better than C85?

  1. Storage (max)256 GB vs 512 GB2×
  2. Stereo speakersNo · C85: Yes
  3. Pixel density254 ppi vs 264 ppi+4%
  4. Weight215 g vs 209 g+3%
  5. Process6 nm vs 4 nm+50%
Specifications

Side by side

Vivo Y31Vivo Y31≈ $1607.4
Design
Weight215 g209 g
Thickness8.4 mm8.4 mm
Height166.1 mm166.1 mm
Width77.9 mm77 mm
FramePlastic—
BackPlastic—
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protection—Guardian Glass (ion-strengthened)
ColoursGreen, PurpleRose Red, Diamond Green
Display
Screen size6.8″6.7″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,570 px1,608 px
Pixel density254 ppi264 ppi
Refresh rate144 Hz120 Hz
Peak brightness1,200 nits1,000 nits
Screen-to-body ratio87.4%84%
Performance
ChipsetMediatek Dimensity 6300Qualcomm SM4450 Snapdragon 4 Gen 2
Chip makerMediaTekQualcomm
Process6 nm4 nm
CPU cores88
CPU frequency2.4 GHz2.2 GHz
GPUMali-G57 MC2Adreno 613
AnTuTu score522,460—
Geekbench 6 (multi-core)2,015—
Memory
RAM8 GB8 GB
Storage (max)256 GB512 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.2eMMC 5.1
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size1/2.96"—
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity7,000 mAh6,500 mAh
Battery typeSi/CLi-Ion
Wired charging45 W44 W
Charged in 30 min50%39%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.34.2
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoYes
3.5 mm headphone jackNoNo
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)—1.13 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceRealme UI 6.0Funtouch 15
To compare: 0up to 4 models
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