Oppo A91 vs Oppo A72
| Type | Touch | Touch | Touch | Touch |
| Waterproofness & dust-resistance | IP67 | |||
| Dimensions | 160.20 x 73.30 x 7.90 mm | 162.00 x 75.50 x 8.90 mm | 162.00 x 75.50 x 8.90 mm | 165.00 x 77.40 x 8.40 mm |
| Weight | 172.00 g | 192.00 g | 192.00 g | 203.00 g |
| Display size | 6.40" | 6.50" | 6.50" | 6.70" |
| Display | Color / AMOLED 16M colors 1080 x 2400 px (6.40") 411 ppi | Color / IPS TFT 16M colors 60 Hz 1080 x 2400 px (6.50") 405 ppi | Color / IPS TFT 16M colors 60 Hz 1080 x 2400 px (6.50") 405 ppi | Color / Super AMOLED 16M colors 90 Hz 1080 x 2400 px (6.70") 393 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
|
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 3G: 2040 min. (34.0 h) | 3G: 2040 min. (34.0 h) | ||
| Stand-by (max.) | 3G: 480 h. (20.0 days) | 3G: 480 h. (20.0 days) | ||
| Playback time (max.) | nd | Audio: 50 h (2.1 days) Video: 7 h (0.3 days) | Audio: 50 h (2.1 days) Video: 7 h (0.3 days) | nd |
| Standard battery | Li-Po 4025 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
|
| Quick battery charging | VOOC 3.0 | Fast Charging | ||
| Wireless battery charging | ||||
| Internal memory | 128 GB | 128 GB | 128 GB | 128 GB, 256 GB |
| RAM memory | 8 GB | 4 GB | 8 GB | 6 GB, 8 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 512 GBBuy memory card |
| Operating system | Android 9.0 Pie | Android 10 | Android 10 | Android 11 |
| Interface | ColorOS 6.1.2 | ColorOS 7 | ColorOS 7.1 | One UI 3.0 |
| Processor | MediaTek Helio P70 MT6771T | Qualcomm Snapdragon 665 SM6125 | Qualcomm Snapdragon 665 SM6125 | Qualcomm Snapdragon 720G |
| Processor clock | 2100 MHz | 2000 MHz | 2000 MHz | 2300 MHz |
| GPU | ARM Mali-G72 MP3 | Adreno 610 | Adreno 610 | Adreno 618 |
| Touchscreen | ||||
| SAR (10g) | 0,917 W/kg | 0,917 W/kg | ||
| DualSIM | ||||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | |||
| Announced | 4Q 2019 | 2Q 2020 | 2Q 2020 | 1Q 2021 |
| Other names | PCPM00 | CPH2067 | CPH2059 | SM-A725F/DS; SM-A725M/DS |
| 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 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300, 1900 | |
| Standard 5G | ||||
| CDMA | 850 | |||
| Standard TD-SCDMA | 1900 2000 | 1900 2000 | 1900 2000 | |
| UMA |



