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InnoReviews

vivo Y31 5G vs Xiaomi MIX Fold 4

vivo Y31 5G
40.3Inno Score
VS
WINNER
X
61.2Inno Score
20Performance54.4
39.6Display60.5
29Camera52.1
66.2Battery68.1
73.3Features86.7
3 spec wins — vivo Y31 5G8 spec wins — Xiaomi MIX Fold 4

InnoReviews verdict

Xiaomi MIX Fold 4 wins this phone face-off, 61.2 to 40.3, pulling ahead mainly in performance (+34) and camera (+23). vivo Y31 5G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the vivo Y31 5G

  • 27% higher capacity: 6,500 mAh vs 5,100 mAh
  • 11% lower thickness: 8.4 mm vs 9.5 mm

Reasons to pick the Xiaomi MIX Fold 4

  • Stronger performance score: 54 vs 20
  • Stronger display score: 61 vs 40
  • Stronger camera score: 52 vs 29
  • Stronger features score: 87 vs 73
  • 200% higher Peak brightness: 3,000 nits vs 1,000 nits

Display

Display comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
Screen size6.68 ″7.98 ″+19%
Panel typeIPS LCDFoldable LTPO AMOLED
Resolution720x16082224x2488
Pixel density264 ppi418 ppi+58%
Refresh rate120 Hz120 Hz
Peak brightness1,000 nits3,000 nits+200%

Performance

Performance comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
ChipsetQualcomm Snapdragon 4 Gen 2Snapdragon 8 Gen 3
Geekbench 6 (single)—2,184Top 28%
Geekbench 6 (multi)—6,794Top 25%
Wild Life Extreme stability—54 %Bottom 16%
RAM (max)6 GB16 GB+167%
Storage options128GB256/512GB/1TB
Storage typeeMMC 5.1UFS 4.0

Camera

Camera comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
Main camera50 MP50 MP
Main aperturef/1.8f/1.7
Ultra-wide—12 MP
Telephoto—10 MP
Optical zoom—5 x
Max video1080p@30fps8K@24fps
Front camera8 MP16 MP+100%
OISNoYes

Battery

Battery comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
Capacity6,500 mAh+27%5,100 mAh
Wired charging44 W67 W+52%
Wireless charging—50 W

Design

Design comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
Weight209 g+8%226 g
Thickness8.4 mm+11%9.5 mm
IP ratingIP68/IP69IPX8
Frame material—Metal

Connectivity

Connectivity comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth4.25.4
NFCNoYes
USBUSB-C 2.0USB-C 3.2 Gen 1
eSIMNoNo

Software

Software comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
OS at launchAndroid 15 (Funtouch OS 15)Android 14 (HyperOS)

Audio

Audio comparison: vivo Y31 5G versus Xiaomi MIX Fold 4
Specvivo Y31 5GXiaomi MIX Fold 4
Stereo speakersYesYes
3.5mm jackNoNo

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