Oppo A57 vs Samsung Galaxy M23
| Type | Touch | Touch |
| Dimensions | 149.10 x 72.90 x 7.65 mm | 165.50 x 77.00 x 8.40 mm |
| Weight | 147.00 g | 198.00 g |
| Display size | 5.20" | 6.60" |
| Display | Color / IPS TFT 16M colors 720 x 1280 px (5.20") 282 ppi | Color / IPS TFT 16M colors 120 Hz 1080 x 2408 px (6.60") 400 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 1420 min. (23.7 h) | 4G: 2640 min. (44.0 h) |
| Stand-by (max.) | 3G: 230 h. (9.6 days) | |
| Playback time (max.) | nd | Audio: 130 h (5.4 days) Video: 26 h (1.1 days) |
| Internet browsing time (max.) | nd | WiFi: 23 h (1.0 days) 4G: 22 h (0.9 days) |
| Standard battery | Li-Ion 2900 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 32 GB | 128 GB |
| End-user memory | 102.4 GB | |
| RAM memory | 3 GB | 4 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card |
| Operating system | Android 6.0 Marshmallow | Android 12 |
| Interface | ColorOS 3.0 | One UI 4.1 |
| Processor | Qualcomm Snapdragon 435 8940 | Qualcomm Snapdragon 750G SM7225 |
| Processor clock | 1400 MHz | 2200 MHz |
| GPU | Adreno 505 | Adreno 619 |
| Touchscreen | ||
| SAR (10g) | 1,091 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | ||
| Announced | 4Q 2016 | 1Q 2022 |
| Other names | - | SM-M236B/DS; SM-M236Q/DS |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2500, 2300 |
| Standard 5G | FDD 5G: 2600, 2100, 1800, 1700, 900, 850, 800, 700 TDD 5G: 3500, 2600, 2500, 2300 | |
| CDMA | ||
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

