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Realme GT 7 vs Xiaomi 15 Ultra

What GT 7 does better (11) and where 15 Ultra wins (17) — every spec side by side.

Realme GT 7
Realme · 2025GT 7
9.6Score
11 advantages≈ $860
vs
Xiaomi 15 Ultra
Xiaomi · 202515 Ultra
9.6Score
17 advantages≈ $900
Higher score
9.2Display9.0
8.8Performance9.4
9.2Camera9.7
9.7Battery9.3
9.8Features9.5
Dimensions

Size comparison

GT 715 Ultra
76.1 × 162.48.375.3 × 161.39.4
GT 715 UltraDifference
Height162.4 mm161.3 mm+1.1 mm
Width76.1 mm75.3 mm+0.8 mm
Thickness8.3 mm9.4 mm−1.1 mm
Weight206 g226 g−20 g

Drawn to the same scale from the official dimensions (front and side).

Why is GT 7 better than 15 Ultra?

  1. Battery capacity7,000 mAh vs 5,410 mAh+29%
  2. Peak brightness6,000 nits vs 3,200 nits+88%
  3. Wired charging120 W vs 90 W+33%
  4. Active use (test)21.1 h vs 16.2 h+30%
  5. Repairability classB vs C
  6. Drop resistance classB vs C
  7. Water resistance (IPx)IPx9 vs IPx8+12%
  8. Weight206 g vs 226 g+10%
  9. Charged in 30 min100% vs 72%+39%
  10. Endurance per cycle79 h vs 59 h+34%
  11. Thickness8.3 mm vs 9.4 mm+13%

Why is 15 Ultra better than GT 7?

  1. AnTuTu score2,141,861 vs 3,030,376+41%
  2. Optical zoom2× vs 4.3×2.2×
  3. Storage (max)512 GB vs 1,024 GB2×
  4. Wireless chargingNo · GT 7: Yes
  5. Geekbench 6 (multi-core)7,412 vs 9,710+31%
  6. CPU frequency3.4 GHz vs 4.32 GHz+27%
  7. Pixel density450 ppi vs 522 ppi+16%
  8. Measured brightness1,451 nits vs 1,588 nits+9%
  9. 3DMark Wild Life Extreme5,383 vs 5,626+5%
  10. USB version2 vs 3.2+60%
  11. Process4 nm vs 3 nm+33%
  12. Rear cameras3 vs 4+33%
Specifications

Side by side

Realme GT 7Realme GT 7≈ $8609.6
Xiaomi 15 UltraXiaomi 15 Ultra≈ $9009.6
Design
Weight206 g226 g
Thickness8.3 mm9.4 mm
Height162.4 mm161.3 mm
Width76.1 mm75.3 mm
FramePlasticAluminium
BackPlasticSilicone polymer
Ingress protectionIP69IP68
Water resistance (IPx)IPx9IPx8
Glass protectionCorning Gorilla Glass 7i or ArmorShell glassXiaomi Shield Glass 2.0
ColoursIceSense Black, IceSense Blue, Aston Martin GreenBlack, White, Silver Chrome, Green
Display
Screen size6.8″6.7″
PanelLTPO AMOLEDLTPO AMOLED
OLED panelYesYes
LTPO (adaptive 1–120 Hz)YesYes
Resolution (width)1,264 px1,440 px
Resolution (height)2,780 px3,200 px
Pixel density450 ppi522 ppi
Refresh rate120 Hz120 Hz
Peak brightness6,000 nits3,200 nits
Measured brightness1,451 nits1,588 nits
Screen-to-body ratio90.4%89.7%
HDRYesYes
Performance
ChipsetMediatek Dimensity 9400eQualcomm SM8750-AB Snapdragon 8 Elite
Chip makerMediaTekQualcomm
Process4 nm3 nm
CPU cores88
CPU frequency3.4 GHz4.32 GHz
GPUImmortalis-G720 MC12Adreno 830
AnTuTu score2,141,8613,030,376
Geekbench 6 (multi-core)7,4129,710
3DMark Wild Life Extreme5,3835,626
Memory
RAM16 GB16 GB
Storage (max)512 GB1,024 GB
Storage (base)256 GB256 GB
Storage typeUFS 4.0UFS 4.1
Memory card slotNoNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.6
Main sensor size1/1.56"1"
Rear cameras34
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraYesYes
Optical zoom2×4.3×
Max video8K8K
4K video frame rate120 fps120 fps
Selfie camera32 MP32 MP
4K selfie videoYesYes
Battery
Battery capacity7,000 mAh5,410 mAh
Battery typeSi/CSi/C
Active use (test)21.1 h16.2 h
Wired charging120 W90 W
Charged in 30 min100%72%
Wireless chargingNoYes
Wireless charging power—80 W
Reverse wireless charging—Yes
Connectivity
5GYesYes
eSIMYesYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth5.46
NFCYesYes
USBUSB Type-CUSB Type-C 3.2 Gen 2
USB version23.2
Video output—Yes
Satellite messaging—Yes
Infrared portYesYes
Dual-band GPSYesYes
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Loudspeaker loudness-25 LUFS-24.1 LUFS
Fingerprint sensorUnder displayUnder display, ultrasonic
Barometer—Yes
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
SAR (head)—1 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceRealme UI 6.0HyperOS 3
Major OS updates promised44
EU label
Energy classAA
Battery charge cycles8001,000
Endurance per cycle79 h59 h
Repairability classBC
Drop resistance classBC
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