Realme 15T vs Xiaomi 17 Ultra (China)
The Realme 15T (2026) runs on the MediaTek Dimensity 6400 Max, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5; launch prices were $250 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 50/100 (a 37-point difference). Key differences: the Realme 15T has the bigger battery (7000 mAh vs 6800); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,942,923 vs 550,018); the Xiaomi 17 Ultra (China) has NFC for contactless payments, the Realme 15T doesn't.
Realme 15T
Xiaomi 17 Ultra (China)
- Bigger battery: 7000 vs 6800 mAh
- Lighter: 210g vs 224g
- Cheaper at launch: $250 vs $892
- Better portability (55/100 vs 42/100)
- Higher AnTuTu: 3942923 vs 550018
- Better Geekbench Single: 3640 vs 803
- Better Geekbench Multi: 11033 vs 2047
- Faster charging: 90W vs 60W
- Higher performance (98/100 vs 44/100)
- Better camera (87/100 vs 32/100)
- Longer battery life (83/100 vs 63/100)
- Better display (81/100 vs 79/100)
Comparing the Realme 15T vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 37 points higher (87/100 vs 50/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 44/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 32/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 63/100). Value score: Realme 15T — 52/100, Xiaomi 17 Ultra (China) — 86/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme 15T (98/100 vs 44/100). In the "display" category, the Xiaomi 17 Ultra (China) and the Realme 15T are nearly equal (81/100 vs 79/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme 15T (87/100 vs 32/100). In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme 15T (83/100 vs 63/100). In the "portability" category, the Realme 15T is a bit better (55/100 vs 42/100).
| Specification | Realme 15T | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6400 Max | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 550018 | 3942923 | |
| Geekbench Single | 803 | 3640 | |
| Geekbench Multi | 2047 | 11033 | |
| Display | 6.8" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1080x2372 | 1200x2608 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 6800 mAh | |
| Charging | 60W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 512GB / 1TB | |
| OS | Android 15, up to 3 major Android upgrades, Realme UI 6.0 | Android 16 | |
| Brightness (peak) | 4000 nits | — | |
| NFC | no | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 158.4×75.2×7.8 mm | 162.9×77.6×8.3 mm | |
| Weight | 210 g | 224 g | |
| Launch price | $250 | $892 |
Realme 15T
- Main: 50MP
- Front: 16MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Realme 15T
- 6.8" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Realme 15T
- 7000 mAh
- Wired: 60W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
We compared Realme 15T and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Realme 15T by 86.1% in our overall performance rating.
Launch price difference: $642. Realme 15T was $642 cheaper at launch.
performance
In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme 15T (98/100 vs 44/100).
display
In the "display" category, the Xiaomi 17 Ultra (China) and the Realme 15T are nearly equal (81/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme 15T (87/100 vs 32/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme 15T (83/100 vs 63/100).
portability
In the "portability" category, the Realme 15T is a bit better (55/100 vs 42/100).
Which is better: the Realme 15T or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) significantly outperforms the Realme 15T by 37 points (87/100 vs 50/100).
What is the rating of the Realme 15T and the Xiaomi 17 Ultra (China)?
The Realme 15T has a MobileRank rating of 50/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Realme 15T or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 32/100).
Which is more powerful: the Realme 15T or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 44/100).
Should you choose the Realme 15T over the Xiaomi 17 Ultra (China)?
The Realme 15T is a better fit for everyday use. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.