Oppo A91 vs Amoi E72
| Type | Touch | Bar (classic) |
| Dimensions | 160.20 x 73.30 x 7.90 mm | 100.00 x 44.80 x 14.80 mm |
| Weight | 172.00 g | 86.00 g |
| Display size | 6.40" | 2.00" |
| Display | Color / AMOLED 16M colors 1080 x 2400 px (6.40") 411 ppi | Color / TFT 64k colors 176 x 220 px (2.00") 141 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | ||
| Protection of the secondary display | ||
| Standard battery | Li-Po 4025 mAhBuy powerbank
| |
| Quick battery charging | VOOC 3.0 | |
| Wireless battery charging | ||
| Internal memory | 128 GB | |
| RAM memory | 8 GB | |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD |
| Operating system | Android 9.0 Pie | MS Windows Mobile 5.0 |
| Interface | ColorOS 6.1.2 | - |
| Processor | MediaTek Helio P70 MT6771T | TI OMAP1030 |
| Processor clock | 2100 MHz | 200 MHz |
| GPU | ARM Mali-G72 MP3 | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 4Q 2019 | |
| Other names | PCPM00 | - |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | 850 1700 1900 2100 | |
| LTE standard | ||
| Standard 5G | ||
| CDMA | 850 | |
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

