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- A55 vs Redmi Note 9 4G
OPPO A55 vs Xiaomi Redmi Note 9 4G
What A55 does better (8) and where Redmi Note 9 4G wins (10) — every spec side by side.
vs
3.6Display3.1
5.5Camera5.3
4.6Battery7.0
5.0Features4.2
Dimensions
Size comparison
A55Redmi Note 9 4G
| A55 | Redmi Note 9 4G | Difference | |
|---|---|---|---|
| Height | 163.6 mm | 162.3 mm | +1.3 mm |
| Width | 75.7 mm | 77.3 mm | −1.6 mm |
| Thickness | 8.4 mm | 9.6 mm | −1.2 mm |
| Weight | 193 g | 198 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A55 better than Redmi Note 9 4G?
- NFCYes · Redmi Note 9 4G: No
- Peak brightness550 nits vs 400 nits+38%
- Main camera50 MP vs 48 MP+4%
- Selfie camera16 MP vs 8 MP2×
- CPU frequency2.3 GHz vs 2 GHz+15%
- Weight193 g vs 198 g+3%
- Bluetooth5 vs 4.2+19%
- Thickness8.4 mm vs 9.6 mm+14%
Why is Redmi Note 9 4G better than A55?
- Storage (max)128 GB vs 256 GB2×
- Stereo speakersNo · A55: Yes
- Battery capacity5,000 mAh vs 6,000 mAh+20%
- RAM6 GB vs 8 GB+33%
- Pixel density270 ppi vs 395 ppi+46%
- Storage (base)64 GB vs 128 GB2×
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · A55: Yes
- Resolution (width)720 px vs 1,080 px+50%
- Process12 nm vs 11 nm+9%
Specifications
Side by side
| Design | ||
| Weight | 193 g | 198 g |
| Thickness | 8.4 mm | 9.6 mm |
| Height | 163.6 mm | 162.3 mm |
| Width | 75.7 mm | 77.3 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | NEG T2X-1 | Corning Gorilla Glass 3 |
| Colours | Rainbow Blue, Starry Black, Green | Gray, Green, Blue, Orange |
| Display | ||
| Screen size | 6.5″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,340 px |
| Pixel density | 270 ppi | 395 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 550 nits | 400 nits |
| Screen-to-body ratio | 82.6% | 83.4% |
| Performance | ||
| Chipset | Mediatek MT6765G Helio G35 | Qualcomm SM6115 Snapdragon 662 |
| Chip maker | MediaTek | Qualcomm |
| Process | 12 nm | 11 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2 GHz |
| GPU | PowerVR GE8320 | Adreno 610 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | — | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 48 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | — | 1/2.0" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 16 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 6,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 18 W | 18 W |
| 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 | 4.2 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 10 |
| Platform | Android | Android |
| Interface | ColorOS 11.1 | MIUI 14 |
