Realme GT 8 Pro vs Xiaomi 15 Ultra
The Realme GT 8 Pro (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $599 and $999. By overall MobileRank rating, the Realme GT 8 Pro leads — 90/100 vs 85/100 (a 5-point difference). Key differences: the Realme GT 8 Pro has the bigger battery (7000 mAh vs 6000); the Realme GT 8 Pro is faster in AnTuTu (3,950,082 vs 3,030,376); the Realme GT 8 Pro is thinner (8.2mm vs 9.4mm).
Profile comparison
Category scores
Realme GT 8 Pro
Xiaomi 15 Ultra
What makes Realme GT 8 Pro better?
- Higher AnTuTu: 3950082 vs 3030376
- Better Geekbench Single: 3639 vs 3050
- Better Geekbench Multi: 11047 vs 10200
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 218g vs 225g
- Cheaper at launch: $599 vs $999
- Higher performance (98/100 vs 92/100)
- Longer battery life (91/100 vs 80/100)
- Better display (98/100 vs 90/100)
- Better portability (46/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Better camera (87/100 vs 84/100)
Comparison verdict
Comparing the Realme GT 8 Pro vs the Xiaomi 15 Ultra, the Realme GT 8 Pro scores 5 points higher (90/100 vs 85/100). In the "battery" category, the Realme GT 8 Pro leads (91/100 vs 80/100). Value score: Realme GT 8 Pro — 94/100, Xiaomi 15 Ultra — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Realme GT 8 Pro is a bit better (98/100 vs 92/100). In the "display" category, the Realme GT 8 Pro is a bit better (98/100 vs 90/100). In the "camera" category, the Xiaomi 15 Ultra and the Realme GT 8 Pro are nearly equal (87/100 vs 84/100). In the "battery" category, the Realme GT 8 Pro is a bit better (91/100 vs 80/100). In the "portability" category, the Realme GT 8 Pro notably outperforms the Xiaomi 15 Ultra (46/100 vs 29/100).
Specs comparison
| Specification | Realme GT 8 Pro | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3950082 | 3030376 | |
| Geekbench Single | 3639 | 3050 | |
| Geekbench Multi | 11047 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1440x3136 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 200 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | realme UI 7.0 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 7000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 161.8×76.9×8.2 mm | 161.3×75.3×9.4 mm | |
| Weight | 218 g | 225 g | |
| Launch price | $599 | $999 |
Camera comparison
Realme GT 8 Pro
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme GT 8 Pro
- 6.8" AMOLED
- Resolution: 1440x3136
- Refresh rate: 144 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Realme GT 8 Pro
- 7000 mAh
- Wired: 120W
- Wireless: 50W
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 8 Pro and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Realme GT 8 Pro leads Xiaomi 15 Ultra by 30.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $400. Realme GT 8 Pro was $400 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Realme GT 8 Pro is a bit better (98/100 vs 92/100).
display
In the "display" category, the Realme GT 8 Pro is a bit better (98/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 15 Ultra and the Realme GT 8 Pro are nearly equal (87/100 vs 84/100).
battery
In the "battery" category, the Realme GT 8 Pro is a bit better (91/100 vs 80/100).
portability
In the "portability" category, the Realme GT 8 Pro notably outperforms the Xiaomi 15 Ultra (46/100 vs 29/100).
Frequently asked questions
Which is better: the Realme GT 8 Pro or the Xiaomi 15 Ultra?
The Realme GT 8 Pro edges out the Xiaomi 15 Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the Realme GT 8 Pro and the Xiaomi 15 Ultra?
The Realme GT 8 Pro has a MobileRank rating of 90/100, the Xiaomi 15 Ultra — 85/100.
Which is more powerful: the Realme GT 8 Pro or the Xiaomi 15 Ultra?
The Realme GT 8 Pro leads on performance (98/100 vs 92/100).
Should you choose the Realme GT 8 Pro over the Xiaomi 15 Ultra?
The Realme GT 8 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. 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.