The Oppo Find X9 Pro and Samsung Galaxy S25 Ultra are the top flagship smartphones of 2025, showcasing the best innovation from each brand. Oppo claims its Find X9 Pro delivers revolutionary battery life, industry-leading camera performance, and record-breaking charging speeds, thanks to its new Silicon-Carbon 7,500 mAh battery and upgraded imaging system. Meanwhile, Samsung claims the Galaxy S25 Ultra offers unmatched AI-driven performance, superior long-term software support, and the most advanced Galaxy camera system ever.
In this detailed comparison, we break down the battery endurance, processing power, and camera technology that define both flagships — helping you decide whether Oppo’s bold challenger can outshine Samsung’s reigning powerhouse in 2025.
Key Highlights
- Camera Showdown: Oppo’s new 50MP triple setup challenges Samsung’s powerful 200MP quad system with advanced AI image processing on both sides.
- Battery Power: Oppo Find X9 Pro leads with a massive 7,500mAh cell supported by 80W fast charging, while Samsung Galaxy S25 Ultra offers reliable endurance with refined battery optimization.
- Chipsets: Oppo features the Dimensity 9500 built on a 3nm process, competing head-to-head with Samsung’s Snapdragon 8 Elite for faster multitasking and gaming efficiency.
- Display Brilliance: Oppo’s LTPO AMOLED panel delivers fluid visuals and vivid colors, whereas Samsung’s Dynamic AMOLED 2X display continues to set the benchmark for brightness and contrast.
Main Update: Performance and Chipset Comparison
The Galaxy S25 Ultra runs on the Snapdragon 8 Gen 4 for Galaxy, a 3 nm chip built for efficient AI-driven performance. Meanwhile, the Oppo Find X9 Pro features the Dimensity 9500, also 3 nm, tuned for stronger GPU stability in gaming and creative workloads.
Early industry leaks suggest both chipsets deliver next-generation performance. The Snapdragon 8 Gen 4 leads slightly in CPU benchmarks, while the Dimensity 9500 shows stronger GPU output, making Oppo’s contender a serious rival for gaming and graphics-heavy use.
| Specification | Oppo Find X9 Pro | Samsung Galaxy S25 Ultra |
| Chipset | MediaTek Dimensity 9500 (3nm, TSMC) | Snapdragon 8 Gen 4 for Galaxy (3nm) |
| CPU Performance (Geekbench 6) | 9,380 multi-core (leaked) | 9,769 multi-core (leaked) |
| GPU Benchmark (3DMark Wild Life Extreme) | 6,828 | 6,208 |
| AI Engine | APU 7.0 with 8 TOPS boost | Hexagon NPU Gen 4, Galaxy AI features |
| Memory Support | LPDDR5T @ 9600 Mbps | LPDDR5T @ 9600 Mbps |
| Thermal Management | Vapor cooling + AI Thermal Tuning | Graphene cooling + AI Efficiency Control |
Impact and Details: Battery, Display, and AI Features
Battery and Charging
- Oppo’s 7,500mAh Si/Carbon battery is one of the largest in any flagship, offering 80W wired and 50W wireless charging.
- In comparison, Samsung’s 5,000mAh cell supports 45W wired and 25W wireless. Real-world tests show Oppo lasting several hours longer in video playback and gaming sessions.
Camera and Display
- Oppo’s 50MP triple setup, co-engineered with Hasselblad, focuses on color accuracy and portrait depth. Samsung’s 200MP primary sensor with 5x optical zoom offers unmatched detail and versatility.
- When it comes to displays, Oppo’s LTPO AMOLED panel achieves 3,600 nits peak brightness, making it exceptionally visible outdoors. Samsung’s Dynamic AMOLED 2X still leads in HDR and motion consistency.
AI Experience
Samsung’s Galaxy AI suite continues to dominate, featuring real-time translation, AI note assist, and photo remastering. Oppo counters with AI Mind Space and AI Recorder, innovative but not yet as refined as Samsung’s ecosystem.
Release and Availability
The Oppo Find X9 Pro debuted in November 2025 with a starting price of Rs. 249,900 in Pakistan (approx. €1,299 globally). The Samsung Galaxy S25 Ultra, launched on February 7, 2025, at $1,069.99, remains available at reduced prices due to its earlier release.
In terms of software support:
- Oppo Find X9 Pro: Promises 5 major Android OS upgrades.
- Samsung Galaxy S25 Ultra: Delivers an industry-leading 7 OS upgrades and extended security patches.
Comparison Table | Oppo Find X9 Pro vs Samsung Galaxy S25 Ultra
| Feature | Oppo Find X9 Pro | Samsung Galaxy S25 Ultra |
| Launch Date | November 2025 | February 2025 |
| Starting Price (Approx.) | $1,579 | $1,069.99 |
| Processor | Dimensity 9500 | Snapdragon 8 Gen 4 for Galaxy |
| Battery Capacity | 7,500mAh | 5,000mAh |
| Charging Speed | 80W wired, 50W wireless | 45W wired, 25W wireless |
| Peak Brightness | 3,600 nits | 2,600 nits |
| Software Support | 5 Android upgrades | 7 Android upgrades |
| Camera Setup | 50MP triple (Hasselblad) | 200MP quad with 5x zoom |
Conclusion
The Oppo Find X9 Pro wins on raw hardware power, offering superior battery life, faster charging, and a brighter display. The Samsung Galaxy S25 Ultra counters with unmatched longevity, featuring seven years of software support, a versatile S Pen, and advanced AI tools. In short, Oppo delivers peak performance today, while Samsung ensures reliability for the long run. Explore more trending tech news and comparisons at Tech Searchers.
Frequently Asked Questions (FAQ)
1. Which flagship smartphone has the larger battery — Oppo Find X9 Pro or Samsung Galaxy S25 Ultra?
The Oppo Find X9 Pro comes equipped with a massive 7,500 mAh Silicon-Carbon battery, delivering exceptional endurance. Real-world testing confirms over 11 hours of screen-on time during heavy usage — far surpassing the Galaxy S25 Ultra’s 5,000 mAh battery capacity.
2. Which phone performs better in outdoor brightness?
The Oppo Find X9 Pro dominates with an impressive 3,600 nits peak brightness, ensuring crystal-clear visibility even under direct sunlight — outperforming most flagship rivals, including the Galaxy S25 Ultra.
3. Which smartphone provides longer software support?
The Samsung Galaxy S25 Ultra takes the lead in long-term software reliability, offering 7 years of Android updates, while the Oppo Find X9 Pro provides 5 years of major updates.
