Samsung Galaxy S25 Slim vs Samsung Galaxy S26 Ultra
Compare Samsung Galaxy S25 Slim vs Samsung Galaxy S26 Ultra side by side: Qualcomm Snapdragon 8 Elite for Galaxy vs Qualcomm Snapdragon 8 Elite Gen 5 for…
Samsung
Galaxy S25 Slim
$999
6categories won
Samsung
Galaxy S26 Ultra
$1,299
7categories won
8 categories tied · 21 scored in total · add a third phone
Which one wins?
Samsung Galaxy S26 Ultra takes the overall win
The Samsung Galaxy S26 Ultra proves superior overall against the Samsung Galaxy S25 Slim, outperforming on battery endurance and daily usability. In camera testing, the Galaxy S26 Ultra leads with superior optics, while battery endurance leans towards the Galaxy S26 Ultra. Choose the Galaxy S26 Ultra if you want the highest performance ceiling, or opt for the Galaxy S25 Slim if its lower retail price better fit your budget.
Galaxy S26 Ultra takes battery honors offering 5,000 mAh alongside 60W charging.
Both handsets deliver top-tier speed with Qualcomm Snapdragon 8 Elite for Galaxy and smooth everyday multitasking.
Galaxy S26 Ultra takes photography with 200MP optics and 5x optical telephoto capabilities.
Galaxy S25 Slim provides a sharper value proposition, coming in at $999 vs $1299.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
Galaxy S25 Slim vs Galaxy S26 Ultra: specifications compared
Display
| Specification | Galaxy S25 Slim | Galaxy S26 Ultra |
|---|---|---|
| Screen size | 6.66" | 6.9" |
| Resolution | 1440 x 3120 | 1440 x 3120 |
| Pixel density | 516 ppiWinner | 498 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3000 nitsWinner | 2400 nits |
Performance
| Specification | Galaxy S25 Slim | Galaxy S26 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite for Galaxy | Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy |
| Process node | 3 nm | 3 nm |
| AnTuTu score | 2,400,000 | 2,400,000 |
| Geekbench multi | 8900 | 8900 |
| Maximum RAM | 16 GB | 16 GB |
| Maximum storage | 512GB | 1TBWinner |
Camera
| Specification | Galaxy S25 Slim | Galaxy S26 Ultra |
|---|---|---|
| Main sensor | 50 MP | 200 MPWinner |
| Rear cameras | 2 | 4Winner |
| Optical zoom | — | 5x |
| Ultrawide | 12 MP | 50 MPWinner |
| Selfie camera | 16 MPWinner | 12 MP |
| Max video | 8K at 30fps / 4K at 120fps | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | Galaxy S25 Slim | Galaxy S26 Ultra |
|---|---|---|
| Capacity | 4,400 mAh | 5,000 mAhWinner |
| Wired charging | 45 W | 60 WWinner |
| Wireless charging | 15 W | 25 WWinner |
Design
| Specification | Galaxy S25 Slim | Galaxy S26 Ultra |
|---|---|---|
| Weight | 168 gWinner | 214 g |
| Thickness | 6.6 mmWinner | 7.9 mm |
| Water resistance | IP68 | IP68 |
| Build | Grade 5 Titanium frame, Gorilla Glass Armor 2 front, matte glass back | Glass front, glass back, aluminum frame |
Software and support
| Specification | Galaxy S25 Slim | Galaxy S26 Ultra |
|---|---|---|
| Operating system | Android 15 | Android 16 |
| OS updates | 7 years | 7 years |
| Security updates | 7 years | 7 years |
Connectivity and value
| Specification | Galaxy S25 Slim | Galaxy S26 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $999Winner | $1,299 |
Samsung Galaxy S25 Slim
Samsung takes on the ultra-slim era with the Galaxy S25 Slim, engineering a 6.6mm profile without sacrificing Snapdragon 8 Elite power, a 200MP camera, or Gorilla Armor anti-reflective glass.
- Display
- 6.66"
- Chipset
- Qualcomm Snapdragon 8 Elite for Galaxy
- Main camera
- 50MP
- Battery
- 4,400mAh
Samsung Galaxy S26 Ultra
The Samsung Galaxy S26 Ultra is a premium 6.9-inch flagship built for power users and creators. Priced at $1299, it pairs a heavily upgraded Snapdragon processor and 60W charging with a versatile quad-camera array and the signature built-in S Pen stylus.
- Display
- 6.9"
- Chipset
- Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy
- Main camera
- 200MP
- Battery
- 5,000mAh
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