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InnoReviews

iQOO 15 Ultra vs Xiaomi 18 Fold

WINNER
iQOO 15 Ultra
87.8Inno Score
VS
Xiaomi 18 Fold
79.3Inno Score
99.6Performance91.6
90.4Display67
65.5Camera71.9
90.2Battery76.6
86.7Features86.7
8 spec wins — iQOO 15 Ultra5 spec wins — Xiaomi 18 Fold

InnoReviews verdict

iQOO 15 Ultra wins this phone face-off, 87.8 to 79.3, pulling ahead mainly in display (+23) and battery (+14). Xiaomi 18 Fold still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the iQOO 15 Ultra

  • Stronger performance score: 100 vs 92
  • Stronger display score: 90 vs 67
  • Stronger battery score: 90 vs 77
  • 100% higher Peak brightness: 8,000 nits vs 4,000 nits
  • 100% higher Front camera: 32 MP vs 16 MP

Reasons to pick the Xiaomi 18 Fold

  • Stronger camera score: 72 vs 66
  • 300% higher Main camera: 200 MP vs 50 MP
  • 25% higher Wireless charging: 50 W vs 40 W
  • 17% higher Optical zoom: 3.5 x vs 3 x
  • 11% higher Screen size: 7.58 ″ vs 6.85 ″

Display

Display comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
Screen size6.85 ″7.58 ″+11%
Panel typeAMOLEDFoldable LTPO AMOLED
Resolution1440x31682364x1672
Pixel density508 ppi+33%382 ppi
Refresh rate144 Hz+20%120 Hz
Peak brightness8,000 nits+100%4,000 nits
Screen-to-body—90.6 %

Performance

Performance comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
ChipsetSnapdragon 8 Elite Gen 5Xiaomi XRing O3
AnTuTuDifferent AnTuTu versions — not compared4,118,578Top 1%4,811,636
AnTuTu 11 (CPU)1,124,295Top 2%—
AnTuTu 11 (GPU)1,528,317Top 1%—
AnTuTu 11 (Memory)547,676Top 1%—
AnTuTu 11 (UX)918,290Top 1%—
Geekbench 6 (single)—3,448Top 7%
Geekbench 6 (multi)—12,758Top 1%
RAM (max)24 GB+50%16 GB
Storage options256GB/512GB/1TB256/512GB/1TB
Storage typeUFS 4.1UFS 4.1

Camera

Camera comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
Main camera50 MP200 MP+300%
Main aperturef/1.88f/1.7
Ultra-wide50 MP50 MP
Telephoto50 MP50 MP
Optical zoom3 x3.5 x+17%
Max video8K@30fps8K@24fps
Front camera32 MP+100%16 MP
OISYesYes

Battery

Battery comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
Capacity7,400 mAh+23%6,000 mAh
Wired charging100 W+49%67 W
Wireless charging40 W50 W+25%

Design

Design comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
Weight227 g219 g+4%
Thickness8.7 mm+19%10.7 mm
IP ratingIP68/IP69IP58/IP59
Frame material—Aluminum

Connectivity

Connectivity comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
5GYesYes
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth6.06.0
NFCYesYes
USBUSB-C 3.2 Gen 1USB-C 3.2
eSIMNoNo

Software

Software comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
OS at launchAndroid 16 (OriginOS 6)Android 17 (HyperOS 4)

Audio

Audio comparison: iQOO 15 Ultra versus Xiaomi 18 Fold
SpeciQOO 15 UltraXiaomi 18 Fold
Stereo speakersYesYes
3.5mm jackNoNo

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