Samsung Galaxy S24 vs Xiaomi 15 Ultra
The Samsung Galaxy S24 (2024) runs on the Samsung Exynos 2400, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $799 and $999. 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 4000); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,820,628); the Samsung Galaxy S24 is noticeably lighter (167g vs 225g).
Profile comparison
Category scores
Samsung Galaxy S24
Xiaomi 15 Ultra
What makes Samsung Galaxy S24 better?
- Lighter: 167g vs 225g
- Cheaper at launch: $799 vs $999
- Better portability (82/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1820628
- Better Geekbench Single: 3050 vs 2115
- Better Geekbench Multi: 10200 vs 6826
- Bigger battery: 6000 vs 4000 mAh
- Faster charging: 90W vs 25W
- Faster wireless charging: 50W vs 15W
- Higher performance (92/100 vs 78/100)
- Better camera (87/100 vs 40/100)
- Longer battery life (80/100 vs 31/100)
- Better display (90/100 vs 81/100)
Comparison verdict
Comparing the Samsung Galaxy S24 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 78/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 40/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 31/100). Value score: Samsung Galaxy S24 — 36/100, 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 Xiaomi 15 Ultra is a bit better (92/100 vs 78/100). 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 Samsung Galaxy S24 (87/100 vs 40/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S24 (80/100 vs 31/100). In the "portability" category, the Samsung Galaxy S24 significantly outperforms the Xiaomi 15 Ultra (82/100 vs 29/100).
Specs comparison
| Specification | Samsung Galaxy S24 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Samsung Exynos 2400 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1820628 | 3030376 | |
| Geekbench Single | 2115 | 3050 | |
| Geekbench Multi | 6826 | 10200 | |
| Display | 6.2" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2340 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4000 mAh | 6000 mAh | |
| Charging | 25W | 90W | |
| Wireless charging | 15W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 10 MP | 50 MP | |
| Front camera | 12 MP | 32 MP | |
| RAM | 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 14, up to 7 major Android upgrades, One UI 8.0 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 2600 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 158.5×75.9×7.7 mm | 161.3×75.3×9.4 mm | |
| Weight | 167 g | 225 g | |
| Launch price | $799 | $999 |
Camera comparison
Samsung Galaxy S24
- Main: 50MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 12MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Samsung Galaxy S24
- 6.2" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Samsung Galaxy S24
- 4000 mAh
- Wired: 25W
- Wireless: 15W
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 Samsung Galaxy S24 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Samsung Galaxy S24 by 39.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $200. Samsung Galaxy S24 was $200 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 78/100).
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 Samsung Galaxy S24 (87/100 vs 40/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S24 (80/100 vs 31/100).
portability
In the "portability" category, the Samsung Galaxy S24 significantly outperforms the Xiaomi 15 Ultra (82/100 vs 29/100).
Frequently asked questions
Which is better: the Samsung Galaxy S24 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S24 by 24 points (85/100 vs 61/100).
What is the rating of the Samsung Galaxy S24 and the Xiaomi 15 Ultra?
The Samsung Galaxy S24 has a MobileRank rating of 61/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Samsung Galaxy S24 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 40/100).
Which is more powerful: the Samsung Galaxy S24 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 78/100).
Should you choose the Samsung Galaxy S24 over the Xiaomi 15 Ultra?
The Samsung Galaxy S24 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.