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InnoReviews

realme GT 8 vs Xiaomi 15 Ultra

realme GT 8
71.5Inno Score
VS
WINNER
Xiaomi 15 Ultra

Xiaomi

Xiaomi 15 Ultra

$1,499

75.9Inno Score
64.4Performance79.1
88.2Display69.1
54.2Camera73.2
83.2Battery79
70.7Features78.7
8 spec wins — realme GT 85 spec wins — Xiaomi 15 Ultra

InnoReviews verdict

Xiaomi 15 Ultra wins this phone face-off, 75.9 to 71.5, pulling ahead mainly in camera (+19) and performance (+15). realme GT 8 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the realme GT 8

  • Stronger display score: 88 vs 69
  • Stronger battery score: 83 vs 79
  • 119% higher Peak brightness: 7,000 nits vs 3,200 nits
  • 29% higher capacity: 7,000 mAh vs 5,410 mAh
  • 20% higher Refresh rate: 144 Hz vs 120 Hz

Reasons to pick the Xiaomi 15 Ultra

  • Stronger performance score: 79 vs 64
  • Stronger camera score: 73 vs 54
  • Stronger features score: 79 vs 71
  • 525% higher ultra-wide: 50 MP vs 8 MP
  • 300% higher telephoto: 200 MP vs 50 MP

Display

Display comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
Screen size6.79 ″+1%6.73 ″
Panel typeAMOLEDLTPO AMOLED
Resolution1440x31361440x3200
Pixel density508 ppi522 ppi+3%
Refresh rate144 Hz+20%120 Hz
Peak brightness7,000 nits+119%3,200 nits
Screen-to-body90.7 %+1%90 %

Performance

Performance comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
ChipsetQualcomm Snapdragon 8 EliteSnapdragon 8 Elite
AnTuTu—2,650,000
Geekbench 6 (single)—3,050Top 12%
Geekbench 6 (multi)—9,600Top 11%
RAM (max)16 GB16 GB
Storage options256GB, 512GB, 1TB256/512GB/1TB
Storage typeUFS 4.0UFS 4.1

Camera

Camera comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.63
Ultra-wide8 MP50 MP+525%
Telephoto50 MP200 MP+300%
Optical zoom3.5 x4.3 x+23%
Max video8K@30fps, 4K@120fps, 1080p@240fps8K@30fps
Front camera16 MP32 MP+100%
OISYesYes

Battery

Battery comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
Capacity7,000 mAh+29%5,410 mAh
Wired charging100 W+11%90 W
Wireless charging—80 W
Active use endurance—12 h

Design

Design comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
Weight214 g+5%226 g
Thickness8.2 mm+12%9.4 mm
IP ratingIP68/IP69/IP66IP68
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
5GYesYes
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth6.06.0
NFCYesYes
USBUSB Type-CUSB-C 3.2
eSIM—Yes

Software

Software comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
OS at launchAndroid 16 (Realme UI 7.0)Android 15 (HyperOS 2)
OS update pledge4 years4 years

Audio

Audio comparison: realme GT 8 versus Xiaomi 15 Ultra
Specrealme GT 8Xiaomi 15 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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