2.8 in 5.65 in  | 2.9 in 6.24 in  | |
| Editiorial reviews | ||
| User rating |
 Oppo A51 |  Samsung Galaxy A51 | |
|---|---|---|
| Operating system | Android 5.1 | Google Android |
| CPU clock speed | 1.2 GHz | 2.3 GHz |
| CPU cores | Quad-core | 8-core |
| CPU model | Qualcomm Snapdragon 410 MSM8916 | Samsung Exynos 9611 |
| RAM memory | 2 GB | 4 GB |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Screen size | 5.0 in | 6.5 in |
| Number of colors | 16.7M | 16.7M |
| Panel type | LCD | OLED |
| Resolution | 1280 x 720 px | 2400 x 1080 px |
| Technology | IPS LCD | Super AMOLED |
| Pixel density | 294.0 ppi | 408.0 ppi |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Primary sensor resolution | 8.0 Mpx | 48.0 Mpx |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Primary resolution | 5.0 Mpx | 32.0 Mpx |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Internal storage | 16 GB | 128 GB |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Height | 5.65 in | 6.24 in |
| Width | 2.8 in | 2.9 in |
| Depth | 0.3 in | 0.31 in |
| Weight | 5.64 oz | 6.07 oz |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Accelerometer | yes | yes |
| Proximity | yes | yes |
| Ambient light sensor | yes | yes |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Dual sim support | yes | yes |
| Sim card size | Micro-SIM |
|
| Bluetooth | yes | yes |
| Bluetooth version | 4.0 | 5.0 LE |
| Headphone connection | 3.5 mm | 3.5 mm |
| Type of USB connector | Micro-USB | USB Type-C |
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Data transmission | HSPA+ |
|
| Navigation system | GPS |
|
| GSM frequencies |
|
|
| Oppo A51 | Samsung Galaxy A51 | |
|---|---|---|
| Battery type | Lithium ion | Lithium ion |
| Battery capacity | 2420.0 mAh | 4000.0 mAh |
| Pros | ||
|---|---|---|
| Cons |
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