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- 7i (Global) vs Galaxy A51
Realme 7i (Global) vs Samsung Galaxy A51
What 7i (Global) does better (4) and where Galaxy A51 wins (15) — every spec side by side.
vs
3.6Display5.0
5.3Camera8.1
7.0Battery2.6
3.9Features5.0
Dimensions
Size comparison
7i (Global)Galaxy A51
| 7i (Global) | Galaxy A51 | Difference | |
|---|---|---|---|
| Height | 164.5 mm | 158.5 mm | +6 mm |
| Width | 75.9 mm | 73.6 mm | +2.3 mm |
| Thickness | 9.8 mm | 7.9 mm | +1.9 mm |
| Weight | 208 g | 172 g | +36 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 7i (Global) better than Galaxy A51?
- Battery capacity6,000 mAh vs 4,000 mAh+50%
- Wired charging18 W vs 15 W+20%
- Peak brightness560 nits vs 400 nits+40%
- Main camera aperturef/1.8 vs f/2+11%
Why is Galaxy A51 better than 7i (Global)?
- OLED panelNo · 7i (Global): Yes
- Storage (max)64 GB vs 128 GB2×
- Optical stabilisationNo · 7i (Global): Yes
- NFCNo · 7i (Global): Yes
- Pixel density270 ppi vs 407 ppi+51%
- Selfie camera8 MP vs 32 MP4×
- Weight208 g vs 172 g+21%
- Storage (base)64 GB vs 128 GB2×
- Rear cameras2 vs 42×
- Max video1080p vs 4K
- CPU frequency2 GHz vs 2.3 GHz+15%
- Resolution (width)720 px vs 1,080 px+50%
Specifications
Side by side
| Design | ||
| Weight | 208 g | 172 g |
| Thickness | 9.8 mm | 7.9 mm |
| Height | 164.5 mm | 158.5 mm |
| Width | 75.9 mm | 73.6 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | — | Gorilla Glass 3 |
| Colours | Glory Silver, Victory Blue | White, Black |
| Display | ||
| Screen size | 6.5″ | 6.5″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,400 px |
| Pixel density | 270 ppi | 407 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 560 nits | 400 nits |
| Measured brightness | — | 635 nits |
| Screen-to-body ratio | 81.7% | 87.4% |
| Performance | ||
| Chipset | Mediatek MT6769Z Helio G85 | Samsung Exynos 9611 |
| Chip maker | MediaTek | Samsung |
| Process | 12 nm | 10 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.3 GHz |
| GPU | Mali-G52 MC2 | Mali G72 MP3 |
| AnTuTu score | — | 352,699 |
| Geekbench 6 (multi-core) | — | 1,204 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 64 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.0 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/1.8 | f/2 |
| Main sensor size | 1/2.0" | 1/2" |
| Rear cameras | 2 | 4 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 8 MP | 32 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 6,000 mAh | 4,000 mAh |
| Battery type | — | Li-Po |
| Wired charging | 18 W | 15 W |
| Charged in 30 min | — | 34% |
| 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 | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Under display |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | proximity, accelerometer, gyro, light, fingerprint |
| SAR (head) | — | 0.6 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | — | One UI 2 |
