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- Y51 (2020, September) vs Redmi Note 9 Pro Max
Vivo Y51 (2020, September) vs Xiaomi Redmi Note 9 Pro Max
What Y51 (2020, September) does better (5) and where Redmi Note 9 Pro Max wins (9) — every spec side by side.
vs
6.0Display3.9
6.0Camera7.5
3.0Battery7.1
3.9Features3.5
Dimensions
Size comparison
Y51 (2020, September)Redmi Note 9 Pro Max
| Y51 (2020, September) | Redmi Note 9 Pro Max | Difference | |
|---|---|---|---|
| Height | 159.3 mm | 165.5 mm | −6.2 mm |
| Width | 75.2 mm | 76.7 mm | −1.5 mm |
| Thickness | 8.7 mm | 8.8 mm | −0.1 mm |
| Weight | 187 g | 209 g | −22 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Y51 (2020, September) better than Redmi Note 9 Pro Max?
- OLED panelYes · Redmi Note 9 Pro Max: No
- Storage (base)128 GB vs 64 GB2×
- Weight187 g vs 209 g+12%
- Pixel density404 ppi vs 395 ppi+2%
- Main camera aperturef/1.8 vs f/1.9+6%
Why is Redmi Note 9 Pro Max better than Y51 (2020, September)?
- RAM4 GB vs 8 GB2×
- Wired charging18 W vs 33 W+83%
- Battery capacity4,500 mAh vs 5,020 mAh+12%
- Main camera48 MP vs 64 MP+33%
- Max video1080p vs 4K
- Selfie camera16 MP vs 32 MP2×
- CPU frequency2 GHz vs 2.3 GHz+15%
- Screen size6.4″ vs 6.7″+5%
- Process11 nm vs 8 nm+38%
Specifications
Side by side
| Design | ||
| Weight | 187 g | 209 g |
| Thickness | 8.7 mm | 8.8 mm |
| Height | 159.3 mm | 165.5 mm |
| Width | 75.2 mm | 76.7 mm |
| Frame | — | Plastic |
| Back | — | Glass |
| Glass protection | — | Corning Gorilla Glass 5 |
| Colours | Mystic Black, Jazzy Blue, Dreamy White | Aurora Blue, Glacier White, Interstellar Black |
| Display | ||
| Screen size | 6.4″ | 6.7″ |
| Panel | Super AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,340 px | 2,400 px |
| Pixel density | 404 ppi | 395 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 450 nits |
| Screen-to-body ratio | 83.4% | 84.6% |
| Performance | ||
| Chipset | Qualcomm SDM665 Snapdragon 665 | Qualcomm SM7125 Snapdragon 720G |
| Chip maker | Qualcomm | Qualcomm |
| Process | 11 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.3 GHz |
| GPU | Adreno 610 | Adreno 618 |
| Memory | ||
| RAM | 4 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 128 GB | 64 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 64 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/2.0" | 1/1.72" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 16 MP | 32 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,500 mAh | 5,020 mAh |
| Battery type | — | Li-Po |
| Wired charging | 18 W | 33 W |
| Charged in 30 min | — | 50% |
| 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 | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, NavIC |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Under display | Side |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 0.88 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | Funtouch 10 | MIUI 13 |
