When it comes to premium smartphones, theXiaomi 15 Ultra vs Samsung Galaxy S24 Ultracomparison is one of the most exciting matchups of the year. Both devices are packed with cutting-edge technology, but they cater to slightly different types of users. TheXiaomi 15 Ultrastands out with its lightning-fast 90W wired and 80W wireless charging, a powerful Leica-tuned quad-camera setup, and a stunning 3200-nit AMOLED display. It is built for users who want top-tier hardware, especially in photography and charging speed.
On the other hand, the
Samsung Galaxy S24 Ultrabrings its own strengths to the table. It offers a refined software experience with One UI, long-term software support up to 7 years, and seamless integration with the Samsung ecosystem. It also features S Pen support, making it a productivity powerhouse for professionals and creatives alike.
If you are someone who values raw power, camera innovation, and fast charging, the
Xiaomi 15 Ultramight be your perfect match. But if you prefer a polished user experience, long-term reliability, and ecosystem features like Samsung DeX and Galaxy Watch integration, theSamsung Galaxy S24 Ultrais hard to beat. Always check the
latest offers on Samsung or Xiaomi smartphones before making your next purchase on Easy EMIs from Bajaj Finserv. Let us understand the key differences between the two flagship devices so that you can pick the one that fits your needs best.Xiaomi 15 Ultra vs Samsung Galaxy S24 Ultra - Technical Specifications
TheXiaomi 15 UltraandSamsung Galaxy S24 Ultraare two of the most powerful Android flagships of 2025. Both offer great performance, stunning displays, and advanced camera systems. However, they differ in ecosystem features, camera, and charging technologies. Here is a comprehensive comparison to help you choose the right one for your needs.
General
Both devices run on the latest Android versions with long-term support. Xiaomi uses its customHyperOS, while Samsung delivers a polishedOne UIexperience with deeper ecosystem integration.
| Features | Xiaomi 15 Ultra | Samsung Galaxy S24 Ultra |
| Launch date | February 27, 2025 (Official) | January 31, 2024 (Official) |
| Operating System | Android (HyperOS 2) | Android (One UI) |
| OS updates | 4 years | 4 years |
| Security updates | 5 years | 7 years |
| Weight | 229g | 232g |
| Dimensions (HxWxT) | 161.3 x 75.3 x 9.48 mm | 162.3 x 79.0 x 8.6 mm |
| Water resistance | IP68 | IP68 |
Performance and Hardware
Both phones are powered by top-tier chipsets and deliver exceptional performance for gaming, multitasking, and AI tasks.
| Features | Xiaomi 15 Ultra | Samsung Galaxy S24 Ultra |
| Processor | Snapdragon 8 Elite (3nm, up to 4.32GHz) | Octa-Core (up to 3.39GHz) |
| GPU | Adreno GPU | Integrated GPU |
| RAM | 16GB LPDDR5X | 12GB |
| Storage | 512GB UFS 4.1 | 256GB/512GB |
| Cooling | 3D Dual-Channel IceLoop | Standard vapor chamber |
| Security | Ultrasonic in-screen fingerprint | Ultrasonic in-screen fingerprint |
| Sensors | Full sensor suite incl. barometer, flicker sensor | Full sensor suite incl. UWB |
Display
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| Features | Xiaomi 15 Ultra | Samsung Galaxy S24 Ultra |
| Display type | WQHD+ AMOLED, Quad Curve | Dynamic AMOLED 2X |
| Size | 6.73" (17.09 cm) | 6.8" (17.25 cm) |
| Resolution | 3200 x 1440 | 3120 x 1440 |
| Refresh rate | 1–120Hz LTPO | 120Hz |
| Peak brightness | 3200 nits | ~2600 nits |
| S Pen support | No | Yes |
Camera
Xiaomi partners with Leica for pro-grade optics, while Samsung focuses on versatility and zoom with its Adaptive Pixel sensor.
| Features | Xiaomi 15 Ultra | Samsung Galaxy S24 Ultra |
| Main camera | 50MP (LYT-900, f/1.63) | 200MP (f/1.7) |
| Ultra-wide | 50MP (115° FOV) | 12MP |
| Telephoto | 50MP (70mm) + 200MP (100mm) | 50MP (3x) + 10MP (10x) |
| Front camera | 32MP | 12MP |
| Rear video | 8K @ 30fps, 4K @ 120fps | 8K @ 30fps, 4K @ 120fps |
| Front video | 4K @ 60fps | 4K @ 60fps |
| Camera features | Leica filters, UltraRAW, ProFocus | Adaptive Pixel Zoom, Nightography |
Connectivity and network compatibility
Both phones support global 5G, dual SIM, and advanced wireless standards.
| Features | Xiaomi 15 Ultra | Samsung Galaxy S24 Ultra |
| SIM configuration | Dual SIM (nano + eSIM) | Dual SIM / Dual eSIM |
| 5G bands | Extensive global support | Extensive global support |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | v6.0 | v5.3 |
| NFC | Yes | Yes |
| UWB | No | Yes |
Battery and charging
Xiaomi leads in battery capacity and charging speed, while Samsung emphasizes battery endurance and ecosystem compatibility.
| Features | Xiaomi 15 Ultra | Samsung Galaxy S24 Ultra |
| Capacity | 5410mAh | 5000mAh |
| Wired charging | 90W | Fast charging (likely 45W) |
| Wireless charging | 80W | Yes (likely 15W) |
| Reverse charging | Yes | Yes |
Xiaomi 15 Ultra vs Samsung Galaxy S24 Ultra Benchmark
Both theXiaomi 15 UltraandSamsung Galaxy S24 Ultraare equipped with flagship-grade processors, delivering top-tier performance for gaming, multitasking, and AI-enhanced tasks. Xiaomi stands out with higher RAM and advanced thermal management, while Samsung offers a more refined software experience and ecosystem integration.
If you prioritisethermal efficiency and raw power, the Xiaomi 15 Ultra is a compelling choice. If you prefersoftware polish, S Pen support, and ecosystem features, the Galaxy S24 Ultra is a strong contender.
| Test | Xiaomi 15 Ultra | Samsung Galaxy S24 Ultra |
| AnTuTu score | ~1,820,000 | ~1,780,000 |
| Geekbench (Single-Core) | ~2,250 | ~2,200 |
| Geekbench (Multi-Core) | ~7,200 | ~7,000 |
| 3DMark (Wild Life Extreme) | ~4,950 | ~4,800 |
Note: Benchmark scores are approximate and may vary based on software updates and thermal conditions.
Xiaomi 15 Ultra vs Samsung Galaxy S24 Ultra - Price comparison
TheSamsung Galaxy S24 Ultrais priced slightly higher, reflecting its premium features likeS Pen support,UWB, andlonger software support. TheXiaomi 15 Ultra, while more affordable, offersfaster charging,more RAM, andLeica-enhanced camera hardware.
| Model | Price (Rs.) |
| Xiaomi 15 Ultra | 1,09,999 |
| Samsung Galaxy S24 Ultra (12GB/256GB) | 87,999 |
| Samsung Galaxy S24 Ultra (12GB/512GB) | 99,999 |
Disclaimer: Each model's features, availability, and pricing are subject to change and may vary. For the most accurate and up-to-date information, please visit the official website.
Explore Xiaomi 15 Ultra vs Samsung Galaxy S24 Ultra
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