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OPPO A5 Energy vs Vivo Y31

What A5 Energy does better (9) and where Y31 wins (3) — every spec side by side.

OPPO A5 Energy
OPPO · 2025A5 Energy
7.4Score
9 advantages≈ $160
vs
Vivo Y31
Vivo · 2025Y31
7.4Score
3 advantages≈ $160
5.3Display6.2
4.6Camera4.6
8.1Battery8.4
8.4Features6.7
Dimensions

Size comparison

A5 EnergyY31
75.5 × 164.87.977 × 166.18.4
A5 EnergyY31Difference
Height164.8 mm166.1 mm−1.3 mm
Width75.5 mm77 mm−1.5 mm
Thickness7.9 mm8.4 mm−0.5 mm
Weight194 g209 g−15 g

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

Why is A5 Energy better than Y31?

  1. RAM12 GB vs 8 GB+50%
  2. NFCYes · Y31: No
  3. Wired charging45 W vs 44 W+2%
  4. Storage (base)256 GB vs 128 GB2×
  5. CPU frequency2.4 GHz vs 2.2 GHz+9%
  6. Weight194 g vs 209 g+8%
  7. Bluetooth5.4 vs 4.2+29%
  8. Thickness7.9 mm vs 8.4 mm+6%
  9. Screen-to-body ratio86.2% vs 84%+3%

Why is Y31 better than A5 Energy?

  1. Battery capacity5,800 mAh vs 6,500 mAh+12%
  2. Refresh rate90 Hz vs 120 Hz+33%
  3. Process6 nm vs 4 nm+50%
Specifications

Side by side

OPPO A5 EnergyOPPO A5 Energy≈ $1607.4
Vivo Y31Vivo Y31≈ $1607.4
Design
Weight194 g209 g
Thickness7.9 mm8.4 mm
Height164.8 mm166.1 mm
Width75.5 mm77 mm
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCrystal Shield GlassGuardian Glass (ion-strengthened)
ColoursFlower Pink, Mocha Brown (Mocha Chocolate), Jade Green (Moss Green)Rose Red, Diamond Green
Display
Screen size6.7″6.7″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,604 px1,608 px
Pixel density264 ppi264 ppi
Refresh rate90 Hz120 Hz
Peak brightness1,000 nits1,000 nits
Screen-to-body ratio86.2%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
Memory
RAM12 GB8 GB
Storage (max)512 GB512 GB
Storage (base)256 GB128 GB
Storage typeUFS 2.2eMMC 5.1
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity5,800 mAh6,500 mAh
Battery type—Li-Ion
Wired charging45 W44 W
Charged in 30 min—39%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.44.2
NFCYesNo
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 sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)—1.13 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceColorOS 15Funtouch 15

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