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InnoReviews

OPPO A3x 4G vs Xiaomi 12

OPPO A3x 4G
32.9Inno Score
VS
WINNER
Xiaomi 12

Xiaomi

Xiaomi 12

$749

50.9Inno Score
28.9Performance43.2
37.6Display47.7
20Camera47
53.4Battery62.5
20Features65.3
4 spec wins — OPPO A3x 4G9 spec wins — Xiaomi 12

InnoReviews verdict

Xiaomi 12 wins this phone face-off, 50.9 to 32.9, pulling ahead mainly in features (+45) and camera (+27). 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

  • 13% higher capacity: 5,100 mAh vs 4,500 mAh
  • Has 3.5mm jack — the other doesn't

Reasons to pick the Xiaomi 12

  • Stronger performance score: 43 vs 29
  • Stronger display score: 48 vs 38
  • Stronger camera score: 47 vs 20
  • Stronger battery score: 63 vs 53
  • Stronger features score: 65 vs 20

Display

Display comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
Screen size6.67 ″+6%6.28 ″
Panel typeLCDAMOLED
Resolution1604x7202400x1080
Pixel density264 ppi419 ppi+59%
Refresh rate90 Hz120 Hz+33%
Peak brightness1,000 nits1,100 nits+10%
Screen-to-body89.9 %—

Performance

Performance comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
ChipsetSnapdragon 6s 4G Gen 1Snapdragon 8 Gen 1
AnTuTu—1,150,000
Geekbench 6 (single)—1,720Top 40%
Geekbench 6 (multi)—4,300Top 44%
RAM (max)8 GB8 GB
Storage options64GB / 128GB / 256GB128GB / 256GB
Storage typeeMMC 5.1UFS 3.1

Camera

Camera comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
Main camera8 MP50 MP+525%
Main aperturef/2.0f/1.9
Ultra-wide—13 MP
Max video1080p@30fps8K@24fps
Front camera5 MP32 MP+540%
OIS—Yes

Battery

Battery comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
Capacity5,100 mAh+13%4,500 mAh
Wired charging45 W67 W+49%
Wireless charging—50 W

Design

Design comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
Weight186 g180 g+3%
Thickness7.7 mm+6%8.2 mm
IP ratingIP54—
Frame material—Aluminum

Connectivity

Connectivity comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
5GNoYes
Wi-FiWi-Fi 5Wi-Fi 6
Bluetooth5.05.2
NFCNoYes
USBUSB-CUSB-C 2.0
eSIM—No

Software

Software comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
OS at launchAndroid 14 (ColorOS 14)Android 12 (MIUI 13)
OS update pledge—3 years

Audio

Audio comparison: OPPO A3x 4G versus Xiaomi 12
SpecOPPO A3x 4GXiaomi 12
Stereo speakers—Yes
3.5mm jackYesNo

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