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InnoReviews

Samsung Galaxy S23 Ultra vs Xiaomi 15 Ultra

Samsung Galaxy S23 Ultra
62.4Inno Score
VS
WINNER
Xiaomi 15 Ultra

Xiaomi

Xiaomi 15 Ultra

$1,499

75.9Inno Score
53.4Performance79.1
59.7Display69.1
69.9Camera73.2
62.8Battery79
78.7Features78.7
4 spec wins — Samsung Galaxy S23 Ultra14 spec wins — Xiaomi 15 Ultra

InnoReviews verdict

Xiaomi 15 Ultra wins this phone face-off, 75.9 to 62.4, pulling ahead mainly in performance (+26) and battery (+16). Samsung Galaxy S23 Ultra still makes sense if its price or standout specs fit your needs better.

Key differences

Reasons to pick the Samsung Galaxy S23 Ultra

  • 300% higher Main camera: 200 MP vs 50 MP
  • 133% higher Optical zoom: 10 x vs 4.3 x
  • Lower launch price: $1,200 vs $1,499

Reasons to pick the Xiaomi 15 Ultra

  • Stronger performance score: 79 vs 53
  • Stronger display score: 69 vs 60
  • Stronger camera score: 73 vs 70
  • Stronger battery score: 79 vs 63
  • 1900% higher telephoto: 200 MP vs 10 MP

Display

Display comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
Screen size6.8 ″+1%6.73 ″
Panel typeDynamic AMOLED 2XLTPO AMOLED
Resolution1440x30881440x3200
Pixel density501 ppi522 ppi+4%
Refresh rate120 Hz120 Hz
Peak brightness1,750 nits3,200 nits+83%
Screen-to-body89.9 %90 %

Performance

Performance comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
ChipsetSnapdragon 8 Gen 2 for GalaxySnapdragon 8 Elite
AnTuTu 101,550,0002,650,000+71%
Geekbench 6 (single)2,0003,050+53%
Geekbench 6 (multi)5,4009,600+78%
RAM (max)12 GB16 GB+33%
Storage options256/512GB/1TB256/512GB/1TB
Storage typeUFS 4.0UFS 4.1

Camera

Camera comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
Main camera200 MP+300%50 MP
Main aperturef/1.7f/1.63
Ultra-wide12 MP50 MP+317%
Telephoto10 MP200 MP+1900%
Optical zoom10 x+133%4.3 x
Max video8K@30fps8K@30fps
Front camera12 MP32 MP+167%
OISYesYes

Battery

Battery comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
Capacity5,000 mAh5,410 mAh+8%
Wired charging45 W90 W+100%
Wireless charging15 W80 W+433%
Active use endurance12 h12 h

Design

Design comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
Weight234 g226 g+3%
Thickness8.9 mm+5%9.4 mm
IP ratingIP68IP68
Frame materialArmor AluminumAluminum

Connectivity

Connectivity comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
5GYesYes
Wi-FiWi-Fi 6EWi-Fi 7
Bluetooth5.36.0
NFCYesYes
USBUSB-C 3.2USB-C 3.2
eSIMYesYes

Software

Software comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
OS at launchAndroid 13 (One UI 5.1)Android 15 (HyperOS 2)
OS update pledge4 years4 years

Audio

Audio comparison: Samsung Galaxy S23 Ultra versus Xiaomi 15 Ultra
SpecSamsung Galaxy S23 UltraXiaomi 15 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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