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- 6 vs Galaxy M21
Realme 6 vs Samsung Galaxy M21
What 6 does better (8) and where Galaxy M21 wins (7) — every spec side by side.
4.8Display5.0
4.3Performance2.8
7.2Camera6.7
3.2Battery6.6
5.0Features5.0
Dimensions
Size comparison
6Galaxy M21
| 6 | Galaxy M21 | Difference | |
|---|---|---|---|
| Height | 162.1 mm | 159 mm | +3.1 mm |
| Width | 74.8 mm | 75.1 mm | −0.3 mm |
| Thickness | 8.9 mm | 8.9 mm | = |
| Weight | 191 g | 188 g | +3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 6 better than Galaxy M21?
- Geekbench 6 (multi-core)7,815 vs 1,1396.9×
- Wired charging30 W vs 15 W2×
- Refresh rate90 Hz vs 60 Hz+50%
- RAM8 GB vs 6 GB+33%
- Main camera64 MP vs 48 MP+33%
- Charged in 30 min55% vs 25%2.2×
- Peak brightness480 nits vs 420 nits+14%
- Main camera aperturef/1.8 vs f/2+11%
Why is Galaxy M21 better than 6?
- Battery capacity4,300 mAh vs 6,000 mAh+40%
- AnTuTu score288,931 vs 355,351+23%
- OLED panelNo · 6: Yes
- Measured brightness451 nits vs 608 nits+35%
- CPU frequency2.05 GHz vs 2.3 GHz+12%
- Selfie camera16 MP vs 20 MP+25%
- Process12 nm vs 10 nm+20%
Specifications
Side by side
| Design | ||
| Weight | 191 g | 188 g |
| Thickness | 8.9 mm | 8.9 mm |
| Height | 162.1 mm | 159 mm |
| Width | 74.8 mm | 75.1 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Colours | Comet Blue, Comet White | Midnight Blue, Raven Black |
| Display | ||
| Screen size | 6.5″ | 6.4″ |
| Panel | IPS LCD | Super AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,340 px |
| Pixel density | 405 ppi | 403 ppi |
| Refresh rate | 90 Hz | 60 Hz |
| Peak brightness | 480 nits | 420 nits |
| Measured brightness | 451 nits | 608 nits |
| Screen-to-body ratio | 84.1% | 84.2% |
| Performance | ||
| Chipset | Mediatek MT6785 Helio G90T | Exynos 9611 |
| Chip maker | MediaTek | Exynos |
| Process | 12 nm | 10 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.05 GHz | 2.3 GHz |
| GPU | Mali-G76 MC4 | Mali-G72 MP3 |
| AnTuTu score | 288,931 | 355,351 |
| Geekbench 6 (multi-core) | 7,815 | 1,139 |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | UFS 2.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 64 MP | 48 MP |
| Main camera aperture | f/1.8 | f/2 |
| Main sensor size | 1/1.72" | 1/2.0" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 16 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,300 mAh | 6,000 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 30 W | 15 W |
| Charged in 30 min | 55% | 25% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | -28.7 LUFS | — |
| Fingerprint sensor | Side | Rear |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | 0.71 W/kg | 0.47 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | Realme UI 2 | One UI 3.1 Core |









