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- Galaxy S9 vs Y31s
Samsung Galaxy S9 vs Vivo Y31s
What Galaxy S9 does better (14) and where Y31s wins (11) — every spec side by side.
Dimensions
Size comparison
Galaxy S9Y31s
| Galaxy S9 | Y31s | Difference | |
|---|---|---|---|
| Height | 148 mm | 164.2 mm | −16.2 mm |
| Width | 69 mm | 75.4 mm | −6.4 mm |
| Thickness | 9 mm | 8.4 mm | +0.6 mm |
| Weight | 163 g | 186 g | −22 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S9 better than Y31s?
- OLED panelYes · Y31s: No
- Storage (max)256 GB vs 128 GB2×
- Optical stabilisationYes · Y31s: No
- Wireless chargingYes · Y31s: No
- NFCYes · Y31s: No
- Stereo speakersYes · Y31s: No
- Pixel density570 ppi vs 400 ppi+43%
- CPU frequency2.7 GHz vs 2 GHz+35%
- Memory card slotYes · Y31s: No
- 4K video frame rate60 fps vs 30 fps2×
- Weight163 g vs 186 g+14%
- USB version3.1 vs 2+55%
Why is Y31s better than Galaxy S9?
- Battery capacity3,000 mAh vs 5,000 mAh+67%
- Refresh rate60 Hz vs 90 Hz+50%
- RAM4 GB vs 6 GB+50%
- 5GNo · Galaxy S9: Yes
- Wired charging15 W vs 18 W+20%
- Main camera12 MP vs 13 MP+8%
- Max video1080p vs 4K
- Screen size5.8″ vs 6.6″+13%
- Process10 nm vs 8 nm+25%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 6+20%
- Thickness9 mm vs 8.4 mm+7%
Specifications
Side by side
| Design | ||
| Weight | 163 g | 186 g |
| Thickness | 9 mm | 8.4 mm |
| Height | 148 mm | 164.2 mm |
| Width | 69 mm | 75.4 mm |
| Frame | Aluminium | — |
| Back | Glass | — |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Glass protection | Gorilla Glass 5 | — |
| Colours | Black, Gold, Gray, Blue, Purple | Red, Gray, Aurora |
| Display | ||
| Screen size | 5.8″ | 6.6″ |
| Panel | AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,440 px | 1,080 px |
| Resolution (height) | 2,960 px | 2,408 px |
| Pixel density | 570 ppi | 400 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Peak brightness | 740 nits | — |
| Measured brightness | 653 nits | — |
| Screen-to-body ratio | 83.3% | 84.7% |
| HDR | Yes | — |
| Performance | ||
| Chipset | Samsung Exynos 9810 | Qualcomm SM4350 Snapdragon 480 5G |
| Chip maker | Samsung | Qualcomm |
| Process | 10 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.7 GHz | 2 GHz |
| GPU | Mali G72 MP18 | Adreno 619 |
| AnTuTu score | 611,930 | — |
| Geekbench 6 (multi-core) | 2,000 | — |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | UFS 2.1 | UFS 2.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 12 MP | 13 MP |
| Main camera aperture | f/1.5 | f/2.2 |
| Main sensor size | 1/2.55" | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | Yes | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | 60 fps | 30 fps |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,000 mAh | 5,000 mAh |
| Battery type | Li-Ion | — |
| Wired charging | 15 W | 18 W |
| Charged in 30 min | 40% | — |
| Wireless charging | Yes | No |
| Wireless charging power | 10 W | — |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | No |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | 3.1 | 2 |
| Satellite navigation | GPS, GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Side |
| Barometer | Yes | — |
| Sensors | proximity, accelerometer, gyro, light, compass, barometer, fingerprint | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | 0.36 W/kg | — |
| Software | ||
| OS at launch | Android 8.0 Oreo | Android 11 |
| Platform | Android | Android |
| Interface | Samsung Experience 9.0 | Funtouch 10.5 |
