Samsung Galaxy S25 Ultra vs OnePlus 13
Smartphones comparison: specs, VersusAnything Score, key differences and a clear recommendation.
Samsung Galaxy S25 Ultra and OnePlus 13 are two of the most cross-shopped phones right now, and the gap between them is narrower in some rows and wider in others than the marketing suggests. The Galaxy S25 Ultra is Samsung's do-everything flagship with a 200 MP camera, built-in S Pen, titanium frame and a 6.9-inch display. The OnePlus 13 pairs a 6,000 mAh silicon-carbon battery with 80 W charging, the Snapdragon 8 Elite and IP69 protection at a price below most rivals.
Quick verdict
The scores are effectively level (58 to 57), so this comes down to fit. Galaxy S25 Ultra is the better choice for power users who want the most complete Android phone regardless of size; OnePlus 13 suits users who want flagship speed and class-leading battery life for less.
VersusAnything Score
Scores are calculated from measurable specifications normalised within the smartphones category and weighted by the factors above. Text-only rows (such as chipset or operating system) are explained but not scored. How the score works.
Side-by-side overview
Samsung Galaxy S25 Ultra
The Galaxy S25 Ultra is Samsung's do-everything flagship with a 200 MP camera, built-in S Pen, titanium frame and a 6.9-inch display.
Best for power users who want the most complete Android phone regardless of size
OnePlus 13
The OnePlus 13 pairs a 6,000 mAh silicon-carbon battery with 80 W charging, the Snapdragon 8 Elite and IP69 protection at a price below most rivals.
Best for users who want flagship speed and class-leading battery life for less
Key differences
- Display type: Galaxy S25 Ultra Dynamic AMOLED 2X vs OnePlus 13 LTPO AMOLED — a preference, not a scored win
- Screen size: Galaxy S25 Ultra 6.9" vs OnePlus 13 6.82" — a preference, not a scored win
- Rear cameras: Galaxy S25 Ultra Quad (wide + ultrawide + 3x + 5x telephoto) vs OnePlus 13 Triple (wide + ultrawide + 3x telephoto) — a preference, not a scored win
- Water resistance: Galaxy S25 Ultra IP68 vs OnePlus 13 IP69 — a preference, not a scored win
- Operating system: Galaxy S25 Ultra Android (One UI) vs OnePlus 13 Android (OxygenOS) — a preference, not a scored win
Specification comparison table
| Specification | Galaxy S25 Ultra | OnePlus 13 |
|---|---|---|
| Display type | Dynamic AMOLED 2X | LTPO AMOLED |
| Screen size | 6.9" | 6.82" |
| Refresh rate | 120 Hz | 120 Hz |
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite |
| RAM | 12 GB | 12 GB |
| Base storage | 256 GB | 256 GB |
| Main camera | 200 MP | 50 MP |
| Rear cameras | Quad (wide + ultrawide + 3x + 5x telephoto) | Triple (wide + ultrawide + 3x telephoto) |
| Battery | 5,000 mAh | 6,000 mAh |
| Wired charging | 45 W | 80 W |
| Weight | 218 g | 210 g |
| Water resistance | IP68 | IP69 |
| Operating system | Android (One UI) | Android (OxygenOS) |
| Promised OS updates | 7 years | 4 years |
| Launch price (USD) | $1,299 | $899 |
Display: Galaxy S25 Ultra vs OnePlus 13 Score: Galaxy S25 Ultra 52 · OnePlus 13 52
Galaxy S25 Ultra: Dynamic AMOLED 2X. OnePlus 13: LTPO AMOLED. Neither is scored, but panel technology affects contrast, outdoor visibility and power draw. For screen size, Galaxy S25 Ultra uses 6.9" whereas OnePlus 13 goes with 6.82". This is a preference rather than a scored win: a larger screen is easier for video and multitasking but harder to use one-handed.
Both list 120 Hz for refresh rate, so nothing separates them here.
Performance: Galaxy S25 Ultra vs OnePlus 13 Score: Galaxy S25 Ultra 60 · OnePlus 13 60
Chipset is identical at Snapdragon 8 Elite. On RAM the two match exactly (12 GB).
Base storage is identical at 256 GB.
Camera: Galaxy S25 Ultra vs OnePlus 13 Score: Galaxy S25 Ultra 82 · OnePlus 13 62
Galaxy S25 Ultra leads on main camera with 200 MP versus 50 MP, a margin of 150 MP. In practice megapixels matter less than sensor size, but a higher count allows more cropping and detail in daylight.
Galaxy S25 Ultra: Quad (wide + ultrawide + 3x + 5x telephoto). OnePlus 13: Triple (wide + ultrawide + 3x telephoto). Neither is scored, but extra lenses add telephoto reach or ultrawide flexibility.
Battery: Galaxy S25 Ultra vs OnePlus 13 Score: Galaxy S25 Ultra 78 · OnePlus 13 97
The battery row goes to OnePlus 13: 6,000 mAh against 5,000 mAh. More capacity generally means more screen-on time between charges.
OnePlus 13 offers 80 W of wired charging while Galaxy S25 Ultra stops at 45 W; the 35 W gap matters because faster wired charging shortens top-up time when you are in a hurry.
Design: Galaxy S25 Ultra vs OnePlus 13 Score: Galaxy S25 Ultra 19 · OnePlus 13 33
On weight, OnePlus 13 keeps it to 210 g while Galaxy S25 Ultra lists 218 g. That 8 g edge counts since a lighter phone is more comfortable for long sessions and in a pocket.
Galaxy S25 Ultra: IP68. OnePlus 13: IP69. Neither is scored, but an IP rating tells you how much dust and water the phone can shrug off.
Software: Galaxy S25 Ultra vs OnePlus 13 Score: Galaxy S25 Ultra 72 · OnePlus 13 2
Galaxy S25 Ultra: Android (One UI). OnePlus 13: Android (OxygenOS). Neither is scored, but the OS decides your app ecosystem and how the phone fits with your other devices.
Galaxy S25 Ultra leads on promised OS updates with 7 years versus 4 years, a margin of 3 years. In practice longer update support keeps the phone secure and resale value higher.
Value: Galaxy S25 Ultra vs OnePlus 13 Score: Galaxy S25 Ultra 9 · OnePlus 13 70
On launch price (USD), OnePlus 13 keeps it to $899 while Galaxy S25 Ultra lists $1,299. That $400 edge counts since the launch price is the fairest baseline because street prices vary by region.
Pros and cons
Galaxy S25 Ultra
Pros
- 200 MP main camera
- Built-in S Pen
- Dual telephoto lenses
- Better main camera (200 MP)
- Better promised OS updates (7 years)
Cons
- Weaker battery (5,000 mAh)
- Weaker wired charging (45 W)
- Weaker weight (218 g)
- Weaker launch price (USD) ($1,299)
OnePlus 13
Pros
- 6,000 mAh battery with 80 W charging
- IP69 rating
- Hasselblad-tuned triple camera
- Better main camera (50 MP)
- Better promised OS updates (4 years)
Cons
- Weaker battery (6,000 mAh)
- Weaker wired charging (80 W)
- Weaker weight (210 g)
- Weaker launch price (USD) ($899)
Which one should you buy?
Choose Samsung Galaxy S25 Ultra for…
Power users who want the most complete Android phone regardless of size. It stands out for 200 mp main camera, built-in s pen, dual telephoto lenses.
Choose OnePlus 13 for…
Users who want flagship speed and class-leading battery life for less. It stands out for 6,000 mah battery with 80 w charging, ip69 rating, hasselblad-tuned triple camera.
Final verdict
The scores are effectively level (58 to 57), so this comes down to fit. Galaxy S25 Ultra is the better choice for power users who want the most complete Android phone regardless of size; OnePlus 13 suits users who want flagship speed and class-leading battery life for less. The VersusAnything Score is a transparent starting point, not a command; weight the rows you care about and the right answer for you may differ.
Compare with another phone
Frequently asked questions
Is Galaxy S25 Ultra better than OnePlus 13?
Not overall: they score 58 and 57 on our category weighting, which we treat as level. Galaxy S25 Ultra is the better fit for power users who want the most complete Android phone regardless of size, and OnePlus 13 for users who want flagship speed and class-leading battery life for less.
What is the biggest difference between Galaxy S25 Ultra and OnePlus 13?
The largest gap is display type: Galaxy S25 Ultra lists Dynamic AMOLED 2X while OnePlus 13 lists LTPO AMOLED. Panel technology affects contrast, outdoor visibility and power draw.
Which is cheaper, Galaxy S25 Ultra or OnePlus 13?
OnePlus 13 is cheaper on launch price (USD): $899 against $1,299 for Galaxy S25 Ultra. Street prices vary by country and retailer, so check current offers.
Who should choose OnePlus 13 over Galaxy S25 Ultra?
OnePlus 13 is the better fit for users who want flagship speed and class-leading battery life for less. Its strongest points are 6,000 mah battery with 80 w charging, ip69 rating, hasselblad-tuned triple camera.
Sources
- Galaxy S25 Ultra: Samsung product page (manufacturer)
- OnePlus 13: OnePlus product page (manufacturer)
Specifications last verified: 2026-10-01. Prices are launch or official list prices in US dollars unless stated. See our sources and data policy.