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- Galaxy M21 vs iQOO U3
Samsung Galaxy M21 vs Vivo iQOO U3
What Galaxy M21 does better (7) and where iQOO U3 wins (10) — every spec side by side.
vs
5.0Display5.0
6.7Camera5.0
6.6Battery4.6
5.0Features5.0
Dimensions
Size comparison
Galaxy M21iQOO U3
| Galaxy M21 | iQOO U3 | Difference | |
|---|---|---|---|
| Height | 159 mm | 164.2 mm | −5.2 mm |
| Width | 75.1 mm | 75.4 mm | −0.3 mm |
| Thickness | 8.9 mm | 8.4 mm | +0.5 mm |
| Weight | 188 g | 186 g | +2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy M21 better than iQOO U3?
- OLED panelYes · iQOO U3: No
- NFCYes · iQOO U3: No
- Battery capacity6,000 mAh vs 5,000 mAh+20%
- Selfie camera20 MP vs 8 MP2.5×
- Memory card slotYes · iQOO U3: No
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · iQOO U3: No
Why is iQOO U3 better than Galaxy M21?
- Refresh rate60 Hz vs 90 Hz+50%
- 5GNo · Galaxy M21: Yes
- RAM6 GB vs 8 GB+33%
- Wired charging15 W vs 18 W+20%
- Peak brightness420 nits vs 460 nits+10%
- CPU frequency2.3 GHz vs 2.4 GHz+4%
- Screen size6.4″ vs 6.6″+3%
- Process10 nm vs 7 nm+43%
- Main camera aperturef/2 vs f/1.8+11%
- Thickness8.9 mm vs 8.4 mm+6%
Specifications
Side by side
| Design | ||
| Weight | 188 g | 186 g |
| Thickness | 8.9 mm | 8.4 mm |
| Height | 159 mm | 164.2 mm |
| Width | 75.1 mm | 75.4 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Midnight Blue, Raven Black | White, Gray, Aurora |
| Display | ||
| Screen size | 6.4″ | 6.6″ |
| Panel | Super AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,340 px | 2,408 px |
| Pixel density | 403 ppi | 401 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Peak brightness | 420 nits | 460 nits |
| Measured brightness | 608 nits | — |
| Screen-to-body ratio | 84.2% | 84.2% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Exynos 9611 | Mediatek Dimensity 800U |
| Chip maker | Exynos | MediaTek |
| Process | 10 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2.4 GHz |
| GPU | Mali-G72 MP3 | Mali-G57 MC3 |
| 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 | 64 GB |
| Storage type | UFS 2.1 | UFS 2.2 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/2 | f/1.8 |
| Main sensor size | 1/2.0" | 1/2.0" |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 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 | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, 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, gyro, 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 |
