The Samsung Galaxy S25 Ultra and OnePlus 15 make different trade-offs: in Smartprix’s India price snapshot, the OnePlus is listed ₹14,000 cheaper, while Samsung offers a higher-resolution display, a distinct multi-telephoto camera setup and an S Pen. OnePlus lists a faster maximum refresh rate and a larger battery capacity. Those specifications help narrow the choice, but they do not establish which phone takes better photos or lasts longer in everyday use.
Price difference: the cited figures are for India
Smartprix’s comparison page, updated September 29, 2026, lists the Samsung Galaxy S25 Ultra at ₹99,999 and the OnePlus 15 at ₹85,999—a ₹14,000 listed difference. This is an India price snapshot, not a guaranteed current price: configuration, seller, discounts and stock can change. Check the local market and compare the same storage tier before buying. Smartprix’s comparison
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Samsung’s US product page separately shows a Galaxy S25 Ultra starting price of $1,299.99 before trade-in. That US figure is not a like-for-like comparison with the India prices above. Samsung US
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Samsung Galaxy S25 Ultra vs OnePlus 15: specifications
| Specification | Samsung Galaxy S25 Ultra | OnePlus 15 |
|---|---|---|
| Display | 6.9-inch class; 1440 × 3120 resolution and 120Hz listed by Smartprix | 6.78-inch LTPO; up to 165Hz; 1272 × 2772 listed by Smartprix |
| Rear cameras | 200MP wide, 50MP ultra-wide, 10MP 3× telephoto and 50MP 5× telephoto in Smartprix’s listing | Three 50MP cameras; OnePlus identifies a 3.5× optical periscope telephoto and 7× optical-quality zoom |
| Battery capacity | 5,000mAh | 7,300mAh |
| Processor | Snapdragon 8 Elite for Galaxy | Snapdragon 8 Elite Gen 5 |
| Storage configurations in cited sources | US page lists 256GB, 512GB and 1TB with 12GB memory | Global specifications list 12GB/256GB and 16GB/512GB |
| Build and extras | Titanium frame, IP68 rating and S Pen listed by Samsung | Gorilla Glass Victus 2 and extensive dust/water resistance described by OnePlus; check regional model and terms |
Specifications above are drawn from the manufacturers’ pages and Smartprix’s comparison; the listed storage configurations do not establish what is sold in every country. Samsung US, OnePlus US, Smartprix
#1 Best Overall
- Stunning 6.9″ Dynamic AMOLED 2X QHD+ display with adaptive 1–120 Hz refresh rate, ultra‑bright up to ~2600 nits, HDR support, “Vision Booster,” and adaptive color tone — giving vivid colours, great outdoor visibility, and super‑smooth scrolling.
- Powerful internals: it runs on the new Snapdragon 8 Elite for Galaxy (3 nm) chip, with 12 GB (or in some markets up to 16 GB) RAM and up to 1 TB UFS 4.0 storage — offering significantly improved CPU/GPU/NPU performance, especially for AI tasks, gaming, and heavy multitasking.
- Advanced quad‑camera system: 200 MP wide main sensor, plus a 50 MP ultrawide, a 50 MP periscope telephoto (5× optical zoom), and a 10 MP telephoto (3× optical zoom) — giving flexibility from ultra‑wide through detailed telephoto shots, and strong performance in varied lighting.
- 5,000 mAh battery with 45 W fast wired charging, wireless charging (Qi2) and reverse wireless charging — balancing long battery life with flexible charging options.
- Durable, premium build: Titanium‑frame body, protected by Corning Gorilla Armor 2 glass, with IP68 dust/water resistance, ultrasonic in‑display fingerprint sensor, modern connectivity (5G, Wi‑Fi 7, Bluetooth, UWB, USB‑C), and long‑term software support (Android 15 / One UI 7, promised 7 major OS/security updates).
Display: sharper listed resolution or faster refresh ceiling?
The S25 Ultra has the larger, higher-resolution panel in the cited comparison: 6.9-inch class at 1440 × 3120, with a 120Hz refresh rate. OnePlus lists a 6.78-inch LTPO display with a maximum refresh rate of 165Hz and a 1272 × 2772 resolution in Smartprix’s comparison. OnePlus describes its display as “1.5K” and says it supports dynamic refresh up to 165Hz. OnePlus
In practical terms, Samsung’s listed resolution favors pixel density, while OnePlus’s higher refresh ceiling may appeal to someone who values very fluid motion. The figures alone do not determine which screen looks better; viewing conditions and how content uses the refresh rate matter.
Rank #2
- Stunning 6.9″ Dynamic AMOLED 2X QHD+ display with adaptive 1–120 Hz refresh rate, ultra‑bright up to ~2600 nits, HDR support, “Vision Booster,” and adaptive color tone — giving vivid colours, great outdoor visibility, and super‑smooth scrolling.
- Powerful internals: it runs on the new Snapdragon 8 Elite for Galaxy (3 nm) chip, with 12 GB (or in some markets up to 16 GB) RAM and up to 1 TB UFS 4.0 storage — offering significantly improved CPU/GPU/NPU performance, especially for AI tasks, gaming, and heavy multitasking.
- Advanced quad‑camera system: 200 MP wide main sensor, plus a 50 MP ultrawide, a 50 MP periscope telephoto (5× optical zoom), and a 10 MP telephoto (3× optical zoom) — giving flexibility from ultra‑wide through detailed telephoto shots, and strong performance in varied lighting.
- 5,000 mAh battery with 45 W fast wired charging, wireless charging (Qi2) and reverse wireless charging — balancing long battery life with flexible charging options.
- Durable, premium build: Titanium‑frame body, protected by Corning Gorilla Armor 2 glass, with IP68 dust/water resistance, ultrasonic in‑display fingerprint sensor, modern connectivity (5G, Wi‑Fi 7, Bluetooth, UWB, USB‑C), and long‑term software support (Android 15 / One UI 7, promised 7 major OS/security updates).
Cameras: compare the zoom hardware, not just megapixels
Samsung’s listed rear-camera system pairs a 200MP main camera with separate 3× and 5× telephoto cameras and a 50MP ultra-wide. OnePlus lists three 50MP rear cameras, including a 3.5× optical periscope telephoto and 7× optical-quality zoom. This points to different camera configurations and zoom options, rather than a simple megapixel contest.
Megapixel counts and zoom labels do not prove which phone produces better photos. The cited information does not provide a comparable camera test, so use the hardware details to identify features you want—not as a verdict on image quality.
Rank #3
- Stunning 6.9″ Dynamic AMOLED 2X QHD+ display with adaptive 1–120 Hz refresh rate, ultra‑bright up to ~2600 nits, HDR support, “Vision Booster,” and adaptive color tone — giving vivid colours, great outdoor visibility, and super‑smooth scrolling.
- Powerful internals: it runs on the new Snapdragon 8 Elite for Galaxy (3 nm) chip, with 12 GB (or in some markets up to 16 GB) RAM and up to 1 TB UFS 4.0 storage — offering significantly improved CPU/GPU/NPU performance, especially for AI tasks, gaming, and heavy multitasking.
- Advanced quad‑camera system: 200 MP wide main sensor, plus a 50 MP ultrawide, a 50 MP periscope telephoto (5× optical zoom), and a 10 MP telephoto (3× optical zoom) — giving flexibility from ultra‑wide through detailed telephoto shots, and strong performance in varied lighting.
- 5,000 mAh battery with 45 W fast wired charging, wireless charging (Qi2) and reverse wireless charging — balancing long battery life with flexible charging options.
- Durable, premium build: Titanium‑frame body, protected by Corning Gorilla Armor 2 glass, with IP68 dust/water resistance, ultrasonic in‑display fingerprint sensor, modern connectivity (5G, Wi‑Fi 7, Bluetooth, UWB, USB‑C), and long‑term software support (Android 15 / One UI 7, promised 7 major OS/security updates).
Battery and performance: what the specifications establish
OnePlus lists a 7,300mAh battery, compared with Samsung’s 5,000mAh. That gives the OnePlus the greater stated capacity, but capacity is not a measured battery-life result. Usage, mobile-network conditions, display settings and software all affect endurance.
The phones also use differently named processor platforms: Snapdragon 8 Elite for Galaxy in the Samsung and Snapdragon 8 Elite Gen 5 in the OnePlus. The available comparison provides no matched benchmark results, so it does not establish a numeric performance lead.
Rank #4
- Stunning 6.9″ Dynamic AMOLED 2X QHD+ display with adaptive 1–120 Hz refresh rate, ultra‑bright up to ~2600 nits, HDR support, “Vision Booster,” and adaptive color tone — giving vivid colours, great outdoor visibility, and super‑smooth scrolling.
- Powerful internals: it runs on the new Snapdragon 8 Elite for Galaxy (3 nm) chip, with 12 GB (or in some markets up to 16 GB) RAM and up to 1 TB UFS 4.0 storage — offering significantly improved CPU/GPU/NPU performance, especially for AI tasks, gaming, and heavy multitasking.
- Advanced quad‑camera system: 200 MP wide main sensor, plus a 50 MP ultrawide, a 50 MP periscope telephoto (5× optical zoom), and a 10 MP telephoto (3× optical zoom) — giving flexibility from ultra‑wide through detailed telephoto shots, and strong performance in varied lighting.
- 5,000 mAh battery with 45 W fast wired charging, wireless charging (Qi2) and reverse wireless charging — balancing long battery life with flexible charging options.
- Durable, premium build: Titanium‑frame body, protected by Corning Gorilla Armor 2 glass, with IP68 dust/water resistance, ultrasonic in‑display fingerprint sensor, modern connectivity (5G, Wi‑Fi 7, Bluetooth, UWB, USB‑C), and long‑term software support (Android 15 / One UI 7, promised 7 major OS/security updates).
Build, stylus and regional details
Samsung explicitly lists a titanium frame, IP68 resistance and an S Pen. The stylus is a functional distinction for handwriting, annotation and other pen-based workflows. OnePlus lists Gorilla Glass Victus 2 and describes extensive dust and water resistance, but broad descriptions should not be treated as proof that the phones have identical resistance ratings or test conditions. Check the exact regional model and its terms.
Storage availability also varies by market. Samsung’s US page lists 256GB, 512GB and 1TB versions with 12GB memory; OnePlus’s global specifications list 12GB/256GB and 16GB/512GB configurations. Confirm the local SKU and compare equivalent storage when checking the price.
Best Value
- PRIVACY DISPLAY: Automatically hide your screen from those beside you. The built-in privacy display can be preset¹ to turn on when receiving notifications, typing passwords, or using specific apps
- TYPE IT IN. TRANSFORM IT FAST: Enhance any shot in seconds on your smartphone by using Photo Assist² with Galaxy AI.³ Add objects, restore details, or apply new styles by simply typing or tapping
- NIGHTS, CAPTURED CLEARLY: From gigs to city lights, record and capture moments after dark with clarity using Nightography so your photos and videos stay crisp and clear on your Samsung Galaxy
- MAKE IT. EDIT IT. SHARE IT: Turn everyday moments into something personal with creative tools built right into your mobile phone, whether it’s a special contact photo, custom wallpaper, an invitation or more⁴
- HELP THAT KEEPS UP: Stay in the moment while Now Nudge with Galaxy AI helps you respond faster and stay organized with smart suggestions⁵ that appear exactly when you need them on your phone
Which phone should you get?
Choose the Galaxy S25 Ultra if
- You expect to use the S Pen for notes or stylus-based work.
- You prefer Samsung’s listed 200MP main camera and separate telephoto cameras.
- You value the higher resolution listed for its display.
Choose the OnePlus 15 if
- You prioritize a higher maximum display refresh rate.
- The larger stated battery capacity is important to you, while recognizing it does not guarantee longer real-world endurance.
- The Snapdragon 8 Elite Gen 5 platform is a priority, without assuming a performance advantage unsupported by comparable benchmarks.
These are feature-based recommendations, not results from hands-on testing. The better value depends on your country, configuration and final local price; the India price gap should not be applied to other markets.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
