Realme GT 6 vs Xiaomi 15 Ultra
The Realme GT 6 (2024) runs on the Qualcomm Snapdragon 8s Gen 3, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $450 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 70/100 (a 15-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5500); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,809,566); the Realme GT 6 is noticeably lighter (199g vs 225g).
Realme GT 6
Xiaomi 15 Ultra
- Faster charging: 120W vs 90W
- Lighter: 199g vs 225g
- Cheaper at launch: $450 vs $999
- Better portability (53/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 1809566
- Better Geekbench Single: 3050 vs 1930
- Better Geekbench Multi: 10200 vs 4817
- Bigger battery: 6000 vs 5500 mAh
- Higher performance (92/100 vs 75/100)
- Better camera (87/100 vs 61/100)
- Longer battery life (80/100 vs 70/100)
- Better display (90/100 vs 84/100)
Comparing the Realme GT 6 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 15 points higher (85/100 vs 70/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 75/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 61/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 70/100). Value score: Realme GT 6 — 72/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Realme GT 6 (92/100 vs 75/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100). In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Realme GT 6 (87/100 vs 61/100). In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 70/100). In the "portability" category, the Realme GT 6 notably outperforms the Xiaomi 15 Ultra (53/100 vs 29/100).
| Specification | Realme GT 6 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8s Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1809566 | 3030376 | |
| Geekbench Single | 1930 | 3050 | |
| Geekbench Multi | 4817 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1264x2780 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 6000 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB / 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 14, up to 3 major Android upgrades, Realme UI 5.0 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 6000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP65 | IP68 | |
| Dimensions | 162.0×75.1×8.6 mm | 161.3×75.3×9.4 mm | |
| Weight | 199 g | 225 g | |
| Launch price | $450 | $999 |
Realme GT 6
- Main: 50MP
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Realme GT 6
- 6.8" AMOLED
- Resolution: 1264x2780
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Realme GT 6
- 5500 mAh
- Wired: 120W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared Realme GT 6 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Realme GT 6 by 40.3% in our overall performance rating.
Launch price difference: $549. Realme GT 6 was $549 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Realme GT 6 (92/100 vs 75/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100).
camera
In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Realme GT 6 (87/100 vs 61/100).
battery
In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 70/100).
portability
In the "portability" category, the Realme GT 6 notably outperforms the Xiaomi 15 Ultra (53/100 vs 29/100).
Which is better: the Realme GT 6 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the Realme GT 6 — the overall rating gap is 15 points.
What is the rating of the Realme GT 6 and the Xiaomi 15 Ultra?
The Realme GT 6 has a MobileRank rating of 70/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Realme GT 6 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 61/100).
Which is more powerful: the Realme GT 6 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 75/100).
Should you choose the Realme GT 6 over the Xiaomi 15 Ultra?
The Realme GT 6 is a better fit for active users. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.