Realme GT 5G vs Xiaomi 15 Ultra
The Realme GT 5G (2021) runs on the Qualcomm Snapdragon 888, 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 57/100 (a 28-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,135,878); the Realme GT 5G is noticeably lighter (186g vs 225g).
Profile comparison
Category scores
Realme GT 5G
Xiaomi 15 Ultra
What makes Realme GT 5G better?
- Better main camera: 64MP vs 50MP
- Lighter: 186g vs 225g
- Better portability (63/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1135878
- Better Geekbench Single: 3050 vs 1500
- Better Geekbench Multi: 10200 vs 3537
- Bigger battery: 6000 vs 4500 mAh
- Faster charging: 90W vs 65W
- Higher performance (92/100 vs 64/100)
- Better camera (87/100 vs 43/100)
- Longer battery life (80/100 vs 42/100)
- Better display (90/100 vs 81/100)
Comparison verdict
Comparing the Realme GT 5G vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 28 points higher (85/100 vs 57/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 64/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 43/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 42/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Realme GT 5G (92/100 vs 64/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 81/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Realme GT 5G (87/100 vs 43/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Realme GT 5G (80/100 vs 42/100). In the "portability" category, the Realme GT 5G significantly outperforms the Xiaomi 15 Ultra (63/100 vs 29/100).
Specs comparison
| Specification | Realme GT 5G | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1135878 | 3030376 | |
| Geekbench Single | 1500 | 3050 | |
| Geekbench Multi | 3537 | 10200 | |
| Display | 6.4" Super AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2400 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 6000 mAh | |
| Charging | 65W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11, Realme UI 2 | Android 15 / HyperOS 2 | |
| Brightness (peak) | — | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 158.5×73.3×8.4 mm | 161.3×75.3×9.4 mm | |
| Weight | 186 g | 225 g | |
| Launch price | — | $999 |
Camera comparison
Realme GT 5G
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme GT 5G
- 6.4" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Realme GT 5G
- 4500 mAh
- Wired: 65W
- 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 GT 5G and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Realme GT 5G by 62.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme GT 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Realme GT 5G (92/100 vs 64/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Realme GT 5G (87/100 vs 43/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Realme GT 5G (80/100 vs 42/100).
portability
In the "portability" category, the Realme GT 5G significantly outperforms the Xiaomi 15 Ultra (63/100 vs 29/100).
Frequently asked questions
Which is better: the Realme GT 5G or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Realme GT 5G by 28 points (85/100 vs 57/100).
What is the rating of the Realme GT 5G and the Xiaomi 15 Ultra?
The Realme GT 5G has a MobileRank rating of 57/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Realme GT 5G or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 43/100).
Which is more powerful: the Realme GT 5G or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 64/100).
Should you choose the Realme GT 5G over the Xiaomi 15 Ultra?
The Realme GT 5G 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.