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InnoReviews

OPPO A3x 4G vs Xiaomi 13 Ultra

OPPO A3x 4G
32.9Inno Score
VS
WINNER
Xiaomi 13 Ultra

Xiaomi

Xiaomi 13 Ultra

$1,299

63.8Inno Score
28.9Performance54
37.6Display64.2
20Camera69.5
53.4Battery71.6
20Features65.3
4 spec wins — OPPO A3x 4G10 spec wins — Xiaomi 13 Ultra

InnoReviews verdict

Xiaomi 13 Ultra wins this phone face-off, 63.8 to 32.9, pulling ahead mainly in camera (+50) and features (+45). 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

  • 18% lower weight: 186 g vs 227 g
  • 16% lower thickness: 7.7 mm vs 9.1 mm
  • Has 3.5mm jack — the other doesn't

Reasons to pick the Xiaomi 13 Ultra

  • Stronger performance score: 54 vs 29
  • Stronger display score: 64 vs 38
  • Stronger camera score: 70 vs 20
  • Stronger battery score: 72 vs 53
  • Stronger features score: 65 vs 20

Display

Display comparison: OPPO A3x 4G versus Xiaomi 13 Ultra
SpecOPPO A3x 4GXiaomi 13 Ultra
Screen size6.67 ″6.73 ″+1%
Panel typeLCDLTPO OLED
Resolution1604x7203200x1440
Pixel density264 ppi522 ppi+98%
Refresh rate90 Hz120 Hz+33%
Peak brightness1,000 nits2,600 nits+160%
Screen-to-body89.9 %—

Performance

Performance comparison: OPPO A3x 4G versus Xiaomi 13 Ultra
SpecOPPO A3x 4GXiaomi 13 Ultra
ChipsetSnapdragon 6s 4G Gen 1Snapdragon 8 Gen 2
AnTuTu—1,550,000
Geekbench 6 (single)—2,050Top 32%
Geekbench 6 (multi)—5,500Top 34%
RAM (max)8 GB12 GB+50%
Storage options64GB / 128GB / 256GB256GB / 512GB / 1TB
Storage typeeMMC 5.1UFS 4.0

Camera

Camera comparison: OPPO A3x 4G versus Xiaomi 13 Ultra
SpecOPPO A3x 4GXiaomi 13 Ultra
Main camera8 MP50 MP+525%
Main aperturef/2.0f/1.9-4.0
Ultra-wide—50 MP
Telephoto—50 MP
Optical zoom—5 x
Max video1080p@30fps8K@24fps
Front camera5 MP32 MP+540%
OIS—Yes

Battery

Battery comparison: OPPO A3x 4G versus Xiaomi 13 Ultra
SpecOPPO A3x 4GXiaomi 13 Ultra
Capacity5,100 mAh+2%5,000 mAh
Wired charging45 W90 W+100%
Wireless charging—50 W

Design

Design comparison: OPPO A3x 4G versus Xiaomi 13 Ultra
SpecOPPO A3x 4GXiaomi 13 Ultra
Weight186 g+18%227 g
Thickness7.7 mm+16%9.1 mm
IP ratingIP54IP68
Frame material—Aluminum

Connectivity

Connectivity comparison: OPPO A3x 4G versus Xiaomi 13 Ultra
SpecOPPO A3x 4GXiaomi 13 Ultra
5GNoYes
Wi-FiWi-Fi 5Wi-Fi 6E
Bluetooth5.05.3
NFCNoYes
USBUSB-CUSB-C 3.2
eSIM—No

Software

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

Audio

Audio comparison: OPPO A3x 4G versus Xiaomi 13 Ultra
SpecOPPO A3x 4GXiaomi 13 Ultra
Stereo speakers—Yes
3.5mm jackYesNo

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