- android.gs
- Compare
- Galaxy M21 vs Y30 (China)
Samsung Galaxy M21 vs Vivo Y30 (China)
What Galaxy M21 does better (15) and where Y30 (China) wins (4) — every spec side by side.
vs
5.0Display3.5
6.7Camera3.4
6.6Battery4.6
5.0Features3.9
Dimensions
Size comparison
Galaxy M21Y30 (China)
| Galaxy M21 | Y30 (China) | Difference | |
|---|---|---|---|
| Height | 159 mm | 164.4 mm | −5.4 mm |
| Width | 75.1 mm | 76.3 mm | −1.2 mm |
| Thickness | 8.9 mm | 8.4 mm | +0.5 mm |
| Weight | 188 g | 192 g | −4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy M21 better than Y30 (China)?
- Main camera48 MP vs 13 MP3.7×
- OLED panelYes · Y30 (China): No
- NFCYes · Y30 (China): No
- Battery capacity6,000 mAh vs 5,000 mAh+20%
- Pixel density403 ppi vs 270 ppi+49%
- Selfie camera20 MP vs 8 MP2.5×
- CPU frequency2.3 GHz vs 1.8 GHz+28%
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · Y30 (China): No
- Max video4K vs 1080p
- Weight188 g vs 192 g+2%
- Resolution (width)1,080 px vs 720 px+50%
Why is Y30 (China) better than Galaxy M21?
- RAM6 GB vs 8 GB+33%
- Wired charging15 W vs 18 W+20%
- Storage (base)64 GB vs 128 GB2×
- Thickness8.9 mm vs 8.4 mm+6%
Specifications
Side by side
| Design | ||
| Weight | 188 g | 192 g |
| Thickness | 8.9 mm | 8.4 mm |
| Height | 159 mm | 164.4 mm |
| Width | 75.1 mm | 76.3 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Midnight Blue, Raven Black | Obsidian Black, Dawn White, Blue |
| Display | ||
| Screen size | 6.4″ | 6.5″ |
| Panel | Super AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,340 px | 1,600 px |
| Pixel density | 403 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 420 nits | — |
| Measured brightness | 608 nits | — |
| Screen-to-body ratio | 84.2% | 81.6% |
| Performance | ||
| Chipset | Exynos 9611 | Qualcomm SM4250 Snapdragon 460 |
| Chip maker | Exynos | Qualcomm |
| Process | 10 nm | 11 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 1.8 GHz |
| GPU | Mali-G72 MP3 | Adreno 610 |
| AnTuTu score | 355,351 | — |
| Geekbench 6 (multi-core) | 1,139 | — |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | UFS 2.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 13 MP |
| Main camera aperture | f/2 | f/2.2 |
| Main sensor size | 1/2.0" | — |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | — |
| Selfie camera | 20 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 6,000 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 15 W | 18 W |
| Charged in 30 min | 25% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | microUSB 2.0 |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Side |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | 0.47 W/kg | — |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | One UI 3.1 Core | Funtouch 10.5 |
