Oppo A91 vs Samsung Galaxy A52
| Type | Touch | Touch | Touch | Touch |
| Waterproofness & dust-resistance | IP67 | IP52 | ||
| Dimensions | 160.20 x 73.30 x 7.90 mm | 159.90 x 75.10 x 8.40 mm | 159.20 x 73.50 x 8.70 mm | 165.89 x 75.95 x 8.25 mm |
| Weight | 172.00 g | 189.00 g | 178.00 g | 185.00 g |
| Display size | 6.40" | 6.50" | 6.43" | 6.70" |
| Display | Color / AMOLED 16M colors 1080 x 2400 px (6.40") 411 ppi | Color / Super AMOLED 16M colors 90 Hz 1080 x 2400 px (6.50") 405 ppi | Color / Super AMOLED 16M colors 120 Hz 1080 x 2400 px (6.43") 409 ppi | Color / OLED 1,07G colors 90 Hz 1080 x 2520 px (6.70") 409 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| ||
| Additional display | ||||
| Protection of the secondary display | ||||
| Standard battery | Li-Po 4025 mAhBuy powerbank
| Li-Ion 4500 mAhBuy powerbank
| Li-Ion 4300 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
|
| Quick battery charging | VOOC 3.0 | Fast Charging | TurboPower | |
| Wireless battery charging | ||||
| Internal memory | 128 GB | 128 GB, 256 GB | 128 GB, 256 GB | 128 GB |
| RAM memory | 8 GB | 4 GB, 6 GB, 8 GB | 6 GB, 8 GB | 8 GB, 6 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | |
| Operating system | Android 9.0 Pie | Android 11 | Android 11 | Android 11 |
| Interface | ColorOS 6.1.2 | One UI 3.0 | realme UI 2.0 | - |
| Processor | MediaTek Helio P70 MT6771T | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 778G SM7325 | MediaTek Dimensity 720 MT6853 |
| Processor clock | 2100 MHz | 2300 MHz | 2400 MHz | 2000 MHz |
| GPU | ARM Mali-G72 MP3 | Adreno 618 | Adreno 642L | ARM Mali-G57 MC3 |
| Touchscreen | ||||
| DualSIM | ||||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | nd | dual standby | dual standby |
| Hybrid DualSIM | nd | |||
| Announced | 4Q 2019 | 1Q 2021 | 3Q 2021 | 3Q 2021 |
| Other names | PCPM00 | SM-A525F; SM-A525M | RMX3363; GT Master Edition; GT Luna | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 1700 1900 2100 | 850 900 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 | ||
| Standard 5G | FDD 5G: 2600, 2100, 1800, 1700, 900, 850, 800, 700 TDD 5G: 3700, 3500, 2600, 2500, 2300 | |||
| CDMA | 850 | 850 CDMA2000 1X | ||
| Standard TD-SCDMA | 1900 2000 | |||
| UMA |



