| Name | Samsung Galaxy S25 Ultra | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Image |  |
 |
| More views |     |
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| MSRP | $1299.99 | $1199.99 |
| Released | Feb 2025 | Jan 2021 |
| Availability | Available | Discontinued |
| Check price: | Samsung, Amazon | Amazon |
| Operating system | ||
| Operating system (OS) | Android 15 | Android 11 |
| Latest OS update? | - | Android 14 |
| Display specifications | ||
| Display type | AMOLED | AMOLED |
| Display size (inch) | 6.9″ | 6.8″ |
| Resolution (H×W) | 3120×1440 | 3200×1440 |
| Aspect ratio (H:W) | 19.5:9 | 20:9 |
| Pixel density (PPI) | 498 PPI | 515 PPI |
| HDR support (types) | HDR10+ | HDR10+ |
| Refresh rate (max) | 120 Hz | 120 Hz |
| Hardware | ||
| Chipset | Snapdragon 8 Elite | Exynos 2100 |
| GPU | Adreno 830 | Mali-G78 MP14 |
| CPU cores | 8-core | 8-core |
| CPU clock speed (max) | 4.47 GHz | 2.9 GHz |
| RAM options (GB) | 12 GB | 16 GB | 12 GB | 16 GB |
| Memory options (GB) | 256 | 512 | 1024 | 128 | 256 | 512 |
| Memory card slot? (microSD) | ❌ | ❌ |
| Main camera layout | ||
| Primary (wide) | 200 MP | 108 MP |
| Ultrawide | 50 MP | 12 MP |
| Telephoto | 50 MP Periscope + 10 MP | 10 MP Periscope + 10 MP |
| Optical zoom | 5× + 3× | 10× + 3× |
| Other cameras (macro/depth) | ❌ | ❌ |
| Main camera features | ||
| Photo HDR? | ✔ | ✔ |
| Video HDR? | ✔ | ✔ |
| 8K video? | 24/30 fps | 24 fps |
| 4K video? | 30/60/120 fps | 30/60 fps |
| 1080p video? | 30/60/240 fps | 30/60/240 fps |
| Other resolutions? | ❌ | 720p@960 fps |
| Selfie-camera layout | ||
| Primary | 12 MP wide | 40 MP wide |
| Secondary | ❌ | ❌ |
| Selfie-camera features | ||
| Face recognition? | Face unlock | Face unlock |
| Selfie photo HDR? | ✔ | ✔ |
| 4K selfie video? | 30/60 fps | 30/60 fps |
| 1080p selfie video? | 30 fps | 30 fps |
| Other resolutions? | 720p@30 fps | ❌ |
| Connectivity | ||
| SIM type? (physical) | Nano | Nano |
| Dual SIM? (card slots) | ✔ | ✔ |
| eSIM? | ✔ | ✔ |
| Cellular networks | 5G | 5G |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6e |
| Bluetooth | 5.4 | 5.2 |
| NFC? | ✔ | ✔ |
| Charging & data port | USB-C 3.2 | USB-C 3.2 |
| Battery, power & charging | ||
| Battery capacity (3.7V) | 5000 mAh | 5000 mAh |
| Wired charging speed? | 45 W | 25 W |
| Wireless charging? | 25 Watt | 15 Watt |
| Reverse wireless charging? | ✔ | ✔ |
| Audio | ||
| Speakers | 2.0 (stereo) | 2.0 (stereo) |
| 3.5 mm AUX out port? | ❌ | ❌ |
| Build & materials | ||
| IP-Code | IP68 | IP68 |
| Screen material | Gorilla Armor 2 | Gorilla Glass Victus |
| Frame material | Titanium | Aluminum |
| Back material | Gorilla Armor 2 | Gorilla Glass Victus |
| Layout & design | ||
| Selfie camera placement? | Punch hole | Punch hole |
| Fingerprint sensor? | Under display | Under display |
| Special design features? | Built-in stylus storage | - |
| Color options: | Black, Jet Black, Gray, White silver, Silver Blue, Jade Green, Pink Gold | Black, Silver, Titanium, Navy, Brown, Navy |
| Size & weight | ||
| Size (cm H×W×D): | 16.28×7.76×0.82 | 16.51×7.56×0.89 |
| Size (inch H×W×D): | 6.41×3.06×0.32 | 6.5×2.98×0.35 |
| Weight (gram): | 218 | 227 |
| Weight (oz): | 7.69 | 8.01 |
| In the box | ||
| Cables? | USB-C to C | USB-C to C |
| Charger? | ❌ | ❌ |
| Adapters? | ❌ | ❌ |
| Other | SIM tool | SIM tool |
| More info | ||
| Model numbers | SM-S938 | SM-G998 |
| User guide / manual | User Guide | User Guide |
| Official site link: | Samsung.com | Page discontinued |
| Check price & reviews | ||
| See price and reviews: | Samsung, Amazon | Amazon |
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