# ⚔️ How does the OnePlus 15 compare to the Samsung Galaxy S25 Ultra?

*Published: 2026-01-16 | Updated: 2026-01-16 | Source: https://shopsavvy.com/answers/oneplus-15-vs-samsung-galaxy-s25-ultra-comparison*

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## Product: OnePlus 15 | 12GB+256GB | Ultra Violet | India's First Snapdragon® 8 Elite Gen 5 | 7300mAh Battery | Personalised AI | Game-Changing 165Hz Display | Triple 50MP Camera with 4K 120fps Dolby Vision

This is actually a closer competition than the $300 price difference suggests. Let me break down where each phone wins.

**The OnePlus 15 wins on:**

Battery life, and it's not even close. The OnePlus 15 has a 7,300mAh battery compared to the Galaxy S25 Ultra's 5,000mAh. That's 46% more capacity. In real terms, you're looking at genuine two-day battery life versus the S25 Ultra's solid-but-typical one-day performance.

Charging speed is another blowout. OnePlus gives you 120W wired (80W in the US) and 50W wireless. Samsung? 45W wired and 15W wireless. The OnePlus charges in 45 minutes, the Samsung takes 69 minutes. And OnePlus includes the charger in the box while Samsung doesn't.

Gaming performance goes to the OnePlus 15 with its newer Snapdragon 8 Elite Gen 5 chip, 16GB RAM option, 165Hz display, and specialized gaming optimizations. If you play demanding mobile games, this is the better phone.

Value is obvious. You're getting arguably the better phone for $300 less.

**The Galaxy S25 Ultra wins on:**

Camera quality. Samsung's camera system is more versatile with dual telephoto lenses and more consistent results in tricky lighting. If photography is your priority, the S25 Ultra is the better choice.

Software support isn't close. Samsung offers 7 years of updates, OnePlus offers 4 years for OS and 6 for security. If you keep phones for a long time, that matters.

The S Pen exists only on Samsung if stylus input matters to you.

Display brightness is higher on the S25 Ultra (2,600 nits vs 1,800 nits) which helps in direct sunlight.

**My take:** Unless camera quality or software longevity are your top priorities, the OnePlus 15 offers better value for most people. That battery life advantage alone is worth considering.

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*Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from thousands of retailers, and analysis of user reviews to give you a well-rounded picture.*