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InnoReviews

OPPO K15 vs Xiaomi MIX Fold 4

OPPO K15
61.1Inno Score
VS
WINNER
X
61.2Inno Score
46.7Performance54.4
53.6Display60.5
58.6Camera52.1
79.8Battery68.1
86.7Features86.7
7 spec wins — OPPO K153 spec wins — Xiaomi MIX Fold 4

InnoReviews verdict

This one is close to a dead heat: OPPO K15 scores 61.1 against 61.2 for Xiaomi MIX Fold 4. Pick by the categories that matter to you — Xiaomi MIX Fold 4 edges ahead in performance and display, or by price.

Which would you pick?

Key differences

Reasons to pick the OPPO K15

  • Stronger camera score: 59 vs 52
  • Stronger battery score: 80 vs 68
  • 317% higher ultra-wide: 50 MP vs 12 MP
  • 213% higher Front camera: 50 MP vs 16 MP
  • 57% higher capacity: 8,000 mAh vs 5,100 mAh

Reasons to pick the Xiaomi MIX Fold 4

  • Stronger performance score: 54 vs 47
  • Stronger display score: 61 vs 54
  • 150% higher Peak brightness: 3,000 nits vs 1,200 nits
  • 33% higher RAM (max): 16 GB vs 12 GB
  • 21% higher Screen size: 7.98 ″ vs 6.59 ″

Display

Display comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
Screen size6.59 ″7.98 ″+21%
Panel typeAMOLEDFoldable LTPO AMOLED
Resolution2760x12562224x2488
Pixel density460 ppi+10%418 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits3,000 nits+150%
Screen-to-body88.9 %—

Performance

Performance comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
ChipsetDimensity 7360 SuperSnapdragon 8 Gen 3
Geekbench 6 (single)—2,184Top 28%
Geekbench 6 (multi)—6,794Top 25%
Wild Life Extreme stability—54 %Bottom 16%
RAM (max)12 GB16 GB+33%
Storage options256GB256/512GB/1TB
Storage typeUFS 3.1UFS 4.0

Camera

Camera comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
Main camera50 MP50 MP
Main aperturef/1.8f/1.7
Ultra-wide50 MP+317%12 MP
Telephoto—10 MP
Optical zoom—5 x
Max video4K@30fps8K@24fps
Front camera50 MP+213%16 MP
OISYesYes

Battery

Battery comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
Capacity8,000 mAh+57%5,100 mAh
Wired charging80 W+19%67 W
Wireless charging—50 W

Design

Design comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
Weight205 g+9%226 g
Thickness8.3 mm+12%9.5 mm
IP ratingIP68/IP69IPX8
Frame materialAluminumMetal

Connectivity

Connectivity comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB-C 2.0USB-C 3.2 Gen 1
eSIMNoNo

Software

Software comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
OS at launchAndroid 16 (ColorOS 16)Android 14 (HyperOS)

Audio

Audio comparison: OPPO K15 versus Xiaomi MIX Fold 4
SpecOPPO K15Xiaomi MIX Fold 4
Stereo speakersYesYes
3.5mm jackNoNo

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