3.03 in 6.02 in  | 3.04 in 6.39 in  | |
| Editiorial reviews | ||
| User rating |
 Oppo A53 |  Xiaomi Redmi Note 9 | |
|---|---|---|
| Operating system | Android 5.1 | Android 10 |
| CPU clock speed | 1.5 GHz | 2.0 GHz |
| CPU cores | 8-core | 8-core |
| CPU model | Qualcomm Snapdragon 616 MSM8939v2 | MediaTek Helio G85 |
| RAM memory | 2 GB |
|
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Screen size | 5.5 in | 6.53 in |
| Panel type | LCD | LCD |
| Resolution | 1280 x 720 px | 2340 x 1080 px |
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Primary sensor resolution | 13.0 Mpx | 48.0 Mpx |
| Face detection | yes | Face recognition |
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Primary resolution | 5.0 Mpx | 13.0 Mpx |
| Face detection | yes | Face recognition |
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Internal storage | 16 GB |
|
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Height | 6.02 in | 6.39 in |
| Width | 3.03 in | 3.04 in |
| Depth | 0.29 in | 0.35 in |
| Weight | 5.82 oz | 7.02 oz |
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Accelerometer | yes | yes |
| Proximity | yes | yes |
| Digital compass | yes | yes |
| Ambient light sensor | yes | yes |
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Dual sim support | yes | yes |
| Sim card size | Micro-SIM | Nano SIM |
| Bluetooth | yes | yes |
| Bluetooth version | 4.0 | 5.0 |
| Headphone connection | 3.5 mm | 3.5 mm |
| Type of USB connector | Micro-USB | USB Type-C |
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Data transmission | HSPA+ |
|
| Navigation system | GPS |
|
| GSM frequencies |
|
|
| UMTS frequences |
|
|
| Oppo A53 | Xiaomi Redmi Note 9 | |
|---|---|---|
| Battery type | Lithium ion | Lithium Polymer |
| Battery capacity | 3075.0 mAh | 5020.0 mAh |
| Talk time | 7.0 h | 33.0 h |
| Pros | ||
|---|---|---|
| Cons |
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