Samsung Galaxy S25 Ultra vs OnePlus 15
OnePlus 15 wins 3 of 5. Buy Samsung Galaxy S25 Ultra if you want better photos and the longest software support. Buy OnePlus 15 if you want longer battery life, more speed for games and to spend less.
The short answer
- CameraSamsung Galaxy S25 Ultra. Takes the better photos: camera score 9 out of 10, against 7.
- BatteryOnePlus 15. Lasts longer on a charge: battery score 10 out of 10, against 7. It has a 7300 mAh battery.
- SpeedOnePlus 15. Faster for games and heavy apps: Snapdragon 8 Elite Gen 5, speed score 10 out of 10, against 9.
- UpdatesSamsung Galaxy S25 Ultra. Android upgrades: until about Jan 2032 (7 upgrades). Security patches: until about Jan 2032 (7 years from launch).
- PriceOnePlus 15. Costs 4% less.
Overall, OnePlus 15 wins 3 of 5. The full details are below.
Side by side
Compared like for like: every phone in its 12GB + 256GB version. Change a version at the top of its column.
| Spec | Your main pickSamsung Galaxy S25 Ultra | OnePlus 15 | Suggested by TuvvoiQOO 15Wins 8 of 10 key areas against Samsung Galaxy S25 Ultra₹3,996 cheaper for 12GB + 256GB, longer battery life, faster, smoother screen, brighter screen outdoors, faster charging, better water protection, security fixes for longer | |
|---|---|---|---|---|
| Price | ₹89,995 12GB + 256GB | Best price of these phones₹85,999 12GB + 256GB | Best price of these phones₹85,999 12GB + 256GB | |
| Price since launch | Down ₹40,004 (31%) ₹1,29,999 at launch, ₹89,995 now 12GB + 256GB model | Up ₹13,000 (18%) ₹72,999 at launch, ₹85,999 now 12GB + 256GB model | Up ₹13,000 (18%) ₹72,999 at launch, ₹85,999 now 12GB + 256GB model | |
| Versions | 12GB + 256GB: ₹89,995 12GB + 512GB: price not known 12GB + 1TB: price not known | 12GB + 256GB: ₹85,999 16GB + 512GB: ₹93,999 | 12GB + 256GB: ₹85,999 16GB + 512GB: ₹93,999 | |
| Stands out for | Best camera in its price range: scored 9/10 | Biggest battery in its price range: 7300 mAh | Nothing that leads its price range | |
| Launched | 22 January 2025 | 13 November 2025 | 26 November 2025 | |
| Big upgrades | Best big upgrades of these phonesAndroid upgrades: until about Jan 2032 (7 upgrades) | Android upgrades: until about Nov 2029 (4 upgrades) | Android upgrades: until about Nov 2030 (5 upgrades) | |
| Security patches | Security patches: until about Jan 2032 (7 years from launch) | Security patches: until about Nov 2031 (6 years from launch) | Best security patches of these phonesSecurity patches: until about Nov 2032 (7 years from launch) | |
| Software now | One UI 9 (Android 17), launched with One UI 7 (Android 15) | ColorOS 17 (Android 17), launched with OxygenOS 16 (Android 16) | OriginOS 6 (Android 16) (same as launch) | |
| Rating | 8.4/10 | Best rating of these phones8.8/10 | Best rating of these phones8.8/10 | |
| Battery | Easily lasts a full day; 45W charging is fine, not fast. 5000 mAh | Best battery of these phonesBig 7300mAh battery easily lasts a full day and refills in about 40 minutes with the charger. 7300 mAh | Excellent battery life from 7000mAh, with 100W wired and 40W wireless charging. 7000 mAh | |
| Camera | Best camera of these phonesExcellent: 200MP main, 3x and 5x zoom lenses, and a sharper 50MP ultrawide. | Good main and zoom cameras, but photos are not as impressive as the best camera phones. | Strong main and 3x zoom cameras; the wide-angle and selfie cameras are less sharp. | |
| Speed | Snapdragon 8 Elite is among the fastest chips, great for heavy games. | Best speed of these phonesTop-tier chip and a 165Hz screen make games and scrolling feel very fluid. | Best speed of these phonesTop Snapdragon chip with big cooling, though long-session performance dipped versus last year. | |
| Screen size | 6.9 inch | 6.78 inch | 6.85 inch | |
| Smooth scrolling | 120Hz, very smooth | Best smooth scrolling of these phones165Hz, very smooth | 144Hz, very smooth | |
| Outdoor brightness | 2,600 nits, easy to read in sun | 1,800 nits, easy to read in sun | Best outdoor brightness of these phones6,000 nits, very easy to read in sun | |
| Charging | 45W wired, 15W wireless | Best charging of these phones120W wired, 50W wireless | 100W wired, 40W wireless | |
| Wireless charging | Yes | Best wireless charging of these phonesYes | Yes | |
| Water and dust | IP68: survives a dunk in water | Best water and dust of these phonesIP68/IP69: survives a dunk and hot water jets | Best water and dust of these phonesIP68/IP69: survives a dunk and hot water jets | |
| Weight | 218 g | Best weight of these phones211 g | 215 g | |
| Thickness | 8.2 mm | Best thickness of these phones8 mm | 8.1 mm | |
| 5G | Yes | Yes | Yes | |
| Tap to pay (NFC) | Yes | Yes | Yes | |
| Speakers | Two (stereo) | Two (stereo) | Two (stereo) | |
| Headphone jack | Not listed | Not listed | Not listed | |
| Memory card slot | No | No | No | |
| Colours | Titanium Silverblue, Titanium Black, Titanium Gray, Titanium Whitesilver | Infinite Black, Sand Storm, Ultra Violet | Legend, Alpha Black | |
| Catch | Big and heavy at 218g. Samsung still lists it at ₹1,29,999, so only buy at the store discount. | Camera quality is a step behind rivals, the zoom camera cannot focus close, and India prices have gone up a lot since launch. | Speakers are underwhelming, and the India price has risen well above launch. | |
| What owners say | No owner reports yet | Many owners say it gets very hot during long gaming sessions, and some notice heat while charging too. | No owner reports yet | |
| Expert reviews | GSMArena Android Central | GSMArena 91mobiles 8.4/10 | GSMArena Smartprix 8.6/10 |
marks the strongest phone on each row, Tuvvo's suggestion included. For price, weight and thickness, that's the lowest.
Full specifications (tap to open)
Every spec side by side
Compared like for like: every phone in its 12GB + 256GB version. Change a version at the top of its column.
| Spec | Samsung Galaxy S25 Ultra | OnePlus 15 |
|---|---|---|
| Display | 6.9-inch QHD+ (1440 x 3120) Dynamic LTPO AMOLED 2X, 120Hz, 2600 nits peak, anti-reflective Gorilla Armor 2 | 6.78-inch 1.5K LTPO AMOLED, 165Hz, 1800 nits peak, Dolby Vision, Gorilla Glass Victus 2 |
| Chipset | Qualcomm Snapdragon 8 Elite for Galaxy (3nm) | Snapdragon 8 Elite Gen 5 (3nm) |
| CPU | 2x Oryon V2 Phoenix L @ 4.47GHz + 6x Oryon V2 Phoenix M @ 3.53GHz | 2x Oryon V3 Phoenix L @ 4.6GHz + 6x Oryon V3 Phoenix M @ 3.62GHz (standard Snapdragon 8 Elite Gen 5 layout) |
| Graphics (GPU) | Adreno 830 | Adreno 840 |
| AI chip (NPU) | Qualcomm Hexagon NPU (TOPS not officially stated) | Qualcomm Hexagon NPU (TOPS not officially stated) |
| RAM and storage | 12GB + 256GB, 12GB + 512GB, 12GB + 1TB (UFS 4.0; LPDDR5X) | 12GB + 256GB, 16GB + 512GB (UFS 4.1, LPDDR5X) |
| Battery | 5000 mAh | 7300 mAh |
| Charging | 45W wired PD (about 65% in 30 min), 15W wireless, 4.5W reverse wireless | 120W SUPERVOOC wired, 50W AIRVOOC wireless, 10W reverse wireless, 5W reverse wired |
| Cameras | 200MP main (f/1.7, OIS) + 50MP ultrawide (f/1.9) + 10MP 3x telephoto (f/2.4, OIS) + 50MP 5x periscope (f/3.4, OIS); 12MP front | 50 MP main (f/1.8, OIS, laser focus) + 50 MP periscope telephoto (f/2.8, 3.5x optical, OIS) + 50 MP ultrawide (f/2.0, 116 degrees); 32 MP selfie (f/2.4) |
| Water and dust | IP68 (1.5m for 30 mins) | IP68/IP69K |
| Size and weight | 8.2mm thick, 218g | About 8mm (varies by colour) thick, 211g to 215g (varies by colour) |
| Software | One UI 7 (Android 15) at launch, One UI 9 (Android 17) now | OxygenOS 16 (Android 16) at launch, ColorOS 17 (Android 17) now |
| Updates | 7 years promised | 4 years promised |
| 5G | Yes | Yes |
| NFC | Yes | Yes |
| Connectivity | Wi-Fi 7, Bluetooth 5.4, NFC, UWB, USB-C 3.2 with DisplayPort | Wi-Fi 7, Bluetooth 6.0 (aptX HD, aptX Adaptive, LHDC 5), NFC, IR blaster, USB-C 3.2 |
| Modem | Integrated Snapdragon 5G modem (model not officially stated) | Integrated Snapdragon 5G modem (model not officially stated) |
| Speakers and haptics | Stereo speakers tuned by AKG; S Pen (no Bluetooth features) | Stereo speakers (rated Very good by GSMArena), 24-bit/192kHz Hi-Res audio; haptics not detailed |
| Screen flicker (PWM) | Not officially stated | Not officially stated |
| Cooling | Larger vapour chamber than S24 Ultra | Not officially stated in sources read |
| Colours | Titanium Silverblue, Titanium Black, Titanium Gray, Titanium Whitesilver | Infinite Black, Sand Storm, Ultra Violet |
Where to buy
- Samsung Galaxy S25 Ultra₹89,995
Pick your version and colour, then your store:
Opens 12GB + 256GB.
- OnePlus 15₹85,999
Pick your version and colour, then your store:
Opens 12GB + 256GB.
Store links may earn Tuvvo a small commission at no extra cost to you. It never changes our rankings.
Waiting for a better price?See it here next time you open Tuvvo if any of these phones drops in price.
Common questions
- Which is better, Samsung Galaxy S25 Ultra or OnePlus 15?
- OnePlus 15 wins 3 of 5 areas (camera, battery, speed, updates and price). Buy Samsung Galaxy S25 Ultra if you want better photos and the longest software support. Buy OnePlus 15 if you want longer battery life, more speed for games and to spend less.
- Which has the better camera?
- Samsung Galaxy S25 Ultra takes the better photos.
- Which has the better battery life?
- OnePlus 15 lasts longer on a charge.
- Which is faster for gaming?
- OnePlus 15 is faster for games and heavy apps.
- How much do they cost?
- Samsung Galaxy S25 Ultra (12GB + 256GB) costs ₹89,995, OnePlus 15 (12GB + 256GB) costs ₹85,999.
- Which gets software updates for longer?
- Samsung Galaxy S25 Ultra, now on One UI 9 (Android 17). Android upgrades: until about Jan 2032 (7 upgrades). Security patches: until about Jan 2032 (7 years from launch). OnePlus 15, now on ColorOS 17 (Android 17). Android upgrades: until about Nov 2029 (4 upgrades). Security patches: until about Nov 2031 (6 years from launch).
Share this comparison
More comparisons
Related on Tuvvo
- Samsung Galaxy S25 Ultra price in India, specs and verdict
- Should you buy the Samsung Galaxy S25 Ultra?
- OnePlus 15 price in India, specs and verdict
- Should you buy the OnePlus 15?
- Google Pixel 11 vs Samsung Galaxy S25 Ultra
- iQOO 15 vs Samsung Galaxy S25 Ultra
- Samsung Galaxy S26 FE vs OnePlus 15
- Google Pixel 11 vs OnePlus 15
- Best camera phones under ₹1 lakh (Samsung Galaxy S25 Ultra is #1)
- Best phones under ₹1 lakh (OnePlus 15 is #2)
- All Samsung phones in India, ranked
- All OnePlus phones in India, ranked