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- S25 Ultra vs S1
itel S25 Ultra vs Senifone S1
What S25 Ultra does better (14) and where S1 wins (0) — every spec side by side.
Dimensions
Size comparison
S25 UltraS1
| S25 Ultra | S1 | Difference | |
|---|---|---|---|
| Height | 164.2 mm | 164.9 mm | −0.7 mm |
| Width | 74.6 mm | 77.1 mm | −2.5 mm |
| Thickness | 6.9 mm | 9 mm | −2.1 mm |
| Weight | 163 g | 196 g | −33 g |
Drawn to the same scale from the official dimensions (front and side).
Why is S25 Ultra better than S1?
- Main camera50 MP vs 13 MP3.8×
- Refresh rate120 Hz vs 60 Hz2×
- Peak brightness1,400 nits vs 400 nits3.5×
- Wired charging18 W vs 10 W+80%
- OLED panelYes · S1: No
- NFCYes · S1: No
- Pixel density393 ppi vs 269 ppi+46%
- Selfie camera32 MP vs 5 MP6.4×
- Weight163 g vs 196 g+20%
- CPU frequency2.2 GHz vs 2 GHz+10%
- Screen size6.8″ vs 6.5″+4%
- Resolution (width)1,080 px vs 720 px+50%
Why is S1 better than S25 Ultra?
S1 has no measurable advantages in this pair.
Specifications
Side by side
| Design | ||
| Weight | 163 g | 196 g |
| Thickness | 6.9 mm | 9 mm |
| Height | 164.2 mm | 164.9 mm |
| Width | 74.6 mm | 77.1 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Ingress protection | IP64 | — |
| Water resistance (IPx) | IPx4 | — |
| Glass protection | Corning Gorilla Glass 7i | — |
| Colours | Bromo Black, Meteor Titanium, Komodo Ocean | Black |
| Display | ||
| Screen size | 6.8″ | 6.5″ |
| Panel | AMOLED | LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,436 px | 1,600 px |
| Pixel density | 393 ppi | 269 ppi |
| Refresh rate | 120 Hz | 60 Hz |
| Peak brightness | 1,400 nits | 400 nits |
| Screen-to-body ratio | 89.1% | — |
| Performance | ||
| Chipset | Unisoc T620 | Mediatek Helio G25 |
| Chip maker | Unisoc | Mediatek |
| Process | 12 nm | — |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2 GHz |
| GPU | Mali-G57 | PowerVR GE8320 |
| AnTuTu score | 452,545 | — |
| Geekbench 6 (multi-core) | 1,541 | — |
| Memory | ||
| RAM | 8 GB | — |
| Storage (max) | 512 GB | — |
| Storage (base) | 128 GB | — |
| Storage type | UFS 2.2 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 13 MP |
| Main camera aperture | f/1.6 | f/2.2 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 32 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 18 W | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 5 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | — |
| USB version | 2 | 2 |
| Infrared port | Yes | — |
| Satellite navigation | GLONASS, GALILEO, BDS | GPS, GLONASS, BDS |
| Features | ||
| Stereo speakers | No | — |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Under display | — |
| Sensors | Fingerprint (under display, optical), unspecified sensors | proximity, accelerometer |
| Software | ||
| OS at launch | Android 14 | Android 11 |
| Platform | Android | Android |
| Interface | itel OS 14.5 | — |
| Major OS updates promised | 2 | — |
