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InnoReviews

Samsung Galaxy S25 Ultra vs Xiaomi 15 Ultra

Samsung Galaxy S25 Ultra
74.3Inno Score
VS
WINNER
Xiaomi 15 Ultra

Xiaomi

Xiaomi 15 Ultra

$1,499

75.9Inno Score
78.3Performance79.1
66.7Display69.1
74Camera73.2
65.8Battery79
94.7Features78.7
9 spec wins — Samsung Galaxy S25 Ultra9 spec wins — Xiaomi 15 Ultra

InnoReviews verdict

Xiaomi 15 Ultra wins this phone face-off, 75.9 to 74.3, pulling ahead mainly in battery (+13) and display (+2). Samsung Galaxy S25 Ultra still makes sense if its price or standout specs fit your needs better.

Key differences

Reasons to pick the Samsung Galaxy S25 Ultra

  • Stronger features score: 95 vs 79
  • 300% higher Main camera: 200 MP vs 50 MP
  • 75% higher OS update pledge: 7 years vs 4 years
  • 16% higher Optical zoom: 5 x vs 4.3 x
  • 12% lower thickness: 8.2 mm vs 9.4 mm
  • Lower launch price: $1,300 vs $1,499

Reasons to pick the Xiaomi 15 Ultra

  • Stronger battery score: 79 vs 66
  • 433% higher Wireless charging: 80 W vs 15 W
  • 300% higher telephoto: 200 MP vs 50 MP
  • 167% higher Front camera: 32 MP vs 12 MP
  • 100% higher Wired charging: 90 W vs 45 W

Display

Display comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
Screen size6.9 ″+3%6.73 ″
Panel typeDynamic LTPO AMOLED 2XLTPO AMOLED
Resolution1440x31201440x3200
Pixel density498 ppi522 ppi+5%
Refresh rate120 Hz120 Hz
Peak brightness2,600 nits3,200 nits+23%
Screen-to-body92.5 %+3%90 %

Performance

Performance comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
ChipsetSnapdragon 8 Elite for GalaxySnapdragon 8 Elite
AnTuTu 102,400,0002,650,000+10%
Geekbench 6 (single)3,0303,050+1%
Geekbench 6 (multi)9,800+2%9,600
RAM (max)16 GB16 GB
Storage options256/512GB/1TB256/512GB/1TB
Storage typeUFS 4.0UFS 4.1

Camera

Camera comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
Main camera200 MP+300%50 MP
Main aperturef/1.7f/1.63
Ultra-wide50 MP50 MP
Telephoto50 MP200 MP+300%
Optical zoom5 x+16%4.3 x
Max video8K@30fps8K@30fps
Front camera12 MP32 MP+167%
OISYesYes

Battery

Battery comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
Capacity5,000 mAh5,410 mAh+8%
Wired charging45 W90 W+100%
Wireless charging15 W80 W+433%
Active use endurance13 h+8%12 h

Design

Design comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
Weight218 g+4%226 g
Thickness8.2 mm+12%9.4 mm
IP ratingIP68IP68
Frame materialTitaniumAluminum

Connectivity

Connectivity comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
5GYesYes
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth5.46.0
NFCYesYes
USBUSB-C 3.2USB-C 3.2
eSIMYesYes

Software

Software comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
OS at launchAndroid 15 (One UI 7)Android 15 (HyperOS 2)
OS update pledge7 years+75%4 years

Audio

Audio comparison: Samsung Galaxy S25 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S25 UltraXiaomi 15 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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