Realme GT3 vs Xiaomi 15 Ultra
The Realme GT3 (2023) runs on the Qualcomm Snapdragon 8+ Gen 1, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 61/100 (a 24-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4600); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,420,808); the Realme GT3 is noticeably lighter (199g vs 225g).
Profile comparison
Category scores
Realme GT3
Xiaomi 15 Ultra
What makes Realme GT3 better?
- Faster charging: 240W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 199g vs 225g
- Better display (94/100 vs 90/100)
- Better portability (50/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1420808
- Better Geekbench Single: 3050 vs 1761
- Better Geekbench Multi: 10200 vs 4688
- Bigger battery: 6000 vs 4600 mAh
- Higher performance (92/100 vs 71/100)
- Better camera (87/100 vs 35/100)
- Longer battery life (80/100 vs 56/100)
Comparison verdict
Comparing the Realme GT3 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 24 points higher (85/100 vs 61/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 71/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 35/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 56/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Realme GT3 (92/100 vs 71/100). In the "display" category, the Realme GT3 and the Xiaomi 15 Ultra are nearly equal (94/100 vs 90/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Realme GT3 (87/100 vs 35/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Realme GT3 (80/100 vs 56/100). In the "portability" category, the Realme GT3 notably outperforms the Xiaomi 15 Ultra (50/100 vs 29/100).
Specs comparison
| Specification | Realme GT3 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8+ Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1420808 | 3030376 | |
| Geekbench Single | 1761 | 3050 | |
| Geekbench Multi | 4688 | 10200 | |
| Display | 6.7" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1240x2772 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 4600 mAh | 6000 mAh | |
| Charging | 240W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB / 16GB | 16GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 13, upgradable to Android 14, Realme UI 5.0 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1400 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.9×75.8×8.9 mm | 161.3×75.3×9.4 mm | |
| Weight | 199 g | 225 g | |
| Launch price | — | $999 |
Camera comparison
Realme GT3
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme GT3
- 6.7" AMOLED
- Resolution: 1240x2772
- Refresh rate: 144 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Realme GT3
- 4600 mAh
- Wired: 240W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Realme GT3 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Realme GT3 by 53.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme GT3
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Realme GT3 (92/100 vs 71/100).
display
In the "display" category, the Realme GT3 and the Xiaomi 15 Ultra are nearly equal (94/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Realme GT3 (87/100 vs 35/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Realme GT3 (80/100 vs 56/100).
portability
In the "portability" category, the Realme GT3 notably outperforms the Xiaomi 15 Ultra (50/100 vs 29/100).
Frequently asked questions
Which is better: the Realme GT3 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Realme GT3 by 24 points (85/100 vs 61/100).
What is the rating of the Realme GT3 and the Xiaomi 15 Ultra?
The Realme GT3 has a MobileRank rating of 61/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Realme GT3 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 35/100).
Which is more powerful: the Realme GT3 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 71/100).
Should you choose the Realme GT3 over the Xiaomi 15 Ultra?
The Realme GT3 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.