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InnoReviews

OPPO A3x 4G vs Vivo S2

OPPO A3x 4G
32.9Inno Score
VS
WINNER
Vivo S2
48.5Inno Score
28.9Performance28.9
37.6Display65.5
20Camera34.1
53.4Battery70.9
20Features57.3
4 spec wins — OPPO A3x 4G9 spec wins — Vivo S2

InnoReviews verdict

Vivo S2 wins this phone face-off, 48.5 to 32.9, pulling ahead mainly in features (+37) and display (+28). OPPO A3x 4G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the OPPO A3x 4G

  • Has 3.5mm jack — the other doesn't

Reasons to pick the Vivo S2

  • Stronger display score: 66 vs 38
  • Stronger camera score: 34 vs 20
  • Stronger battery score: 71 vs 53
  • Stronger features score: 57 vs 20
  • 540% higher Front camera: 32 MP vs 5 MP

Display

Display comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
Screen size6.67 ″6.83 ″+2%
Panel typeLCD3D Curved AMOLED
Resolution1604x7201260x2800
Pixel density264 ppi449 ppi+70%
Refresh rate90 Hz120 Hz+33%
Peak brightness1,000 nits3,000 nits+200%
Screen-to-body89.9 %91.4 %+2%

Performance

Performance comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
ChipsetSnapdragon 6s 4G Gen 1MediaTek Dimensity 7360-Turbo
RAM (max)8 GB8 GB
Storage options64GB / 128GB / 256GB128/256GB
Storage typeeMMC 5.1UFS 3.1

Camera

Camera comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
Main camera8 MP50 MP+525%
Main aperturef/2.0f/1.8
Max video1080p@30fps—
Front camera5 MP32 MP+540%
OIS—No

Battery

Battery comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
Capacity5,100 mAh7,050 mAh+38%
Wired charging45 W+2%44 W

Design

Design comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
Weight186 g+6%197 g
Thickness7.7 mm+4%8 mm
IP ratingIP54IP68/IP69
Frame material—Plastic

Connectivity

Connectivity comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
5GNoYes
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.05.4
NFCNoNo
USBUSB-CUSB-C 2.0
eSIM—No

Software

Software comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
OS at launchAndroid 14 (ColorOS 14)Android 16 (OriginOS 6)
OS update pledge—3 years

Audio

Audio comparison: OPPO A3x 4G versus Vivo S2
SpecOPPO A3x 4GVivo S2
Stereo speakers—Yes
3.5mm jackYesNo

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