Samsung Galaxy S25 Ultra vs OnePlus 15R
Verdict
Our overall take, at a glance
Key takeaways
- Samsung Galaxy S25 Ultra and OnePlus 15R are closely matched overall (within 3 points).
- Samsung Galaxy S25 Ultra stands out on Display Size: 6.9 in, Display Resolution: 1440 × 3120 px, Display Pixel density: 498 PPI.
- OnePlus 15R counters with Memory technology: UFS 4.1, Display Refresh rate: 165 Hz, Front camera (megapixels): 32 MP.
- Best value: OnePlus 15R (from $699) — the strongest score-per-dollar of the two.
Samsung Galaxy S25 Ultra and OnePlus 15R are closely matched
Samsung Galaxy S25 Ultra
80
OnePlus 15R
77
Where Samsung Galaxy S25 Ultra stands out
- Display Size: 6.9 in
- Display Resolution: 1440 × 3120 px
- Display Pixel density: 498 PPI
Where OnePlus 15R stands out
- Memory technology: UFS 4.1
- Display Refresh rate: 165 Hz
- Front camera (megapixels): 32 MP
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jul 2026.
Samsung Galaxy S25 Ultra
AI analysis isn't ready yet
We haven't generated an in-depth write-up for Samsung Galaxy S25 Ultra yet. The specs, scores and strengths profile above still cover it — check back later for the AI summary.
OnePlus 15R
The OnePlus 15R is a mid-range smartphone starting at £649 in the UK, designed as a more affordable alternative to the brand's flagship. Powered by the Snapdragon 8 Gen 5 processor, it brings high-end gaming capabilities and a massive battery to a lower price point. The phone runs OxygenOS and shares the same primary camera sensor and image processing software as the standard OnePlus 15.
Best for extended mobile gaming sessionsBest for multi-day battery endurance without recharging
Pros
- High-tier gaming performance using the Snapdragon 8 Gen 5 processor
- Excellent battery efficiency, offering up to six hours of continuous gaming or a full weekend of regular use
- Shares the main camera sensor and processing technology of the flagship model
Cons
- Lacks a dedicated telephoto zoom lens
- Primary camera performance is noticeably limited in softer light
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
Samsung Galaxy S25 Ultra
OnePlus 15R
Performance
Higher benchmark score = faster
Samsung Galaxy S25 Ultra2,209,231
OnePlus 15R2,600,000
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Battery capacity
Larger cell — a hardware spec, not battery life
Samsung Galaxy S25 Ultra5,000 mAh
OnePlus 15R7,400 mAh
Capacity is the raw battery size. Real-world battery life depends just as much on the processor, software and display.
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Samsung Galaxy S25 UltraOnePlus 15R
Samsung Galaxy S25 Ultra is 5 g (2%) heavier than OnePlus 15R.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side