Oppo A91 vs Samsung Galaxy S10
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | |
| Dimensions | 160.20 x 73.30 x 7.90 mm | 149.90 x 70.40 x 7.80 mm |
| Weight | 172.00 g | 157.00 g |
| Display size | 6.40" | 6.10" |
| Display | Color / AMOLED 16M colors 1080 x 2400 px (6.40") 411 ppi | Color / Dynamic AMOLED 16M colors 1440 x 3040 px (6.10") 551 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 3400 mAhBuy powerbank
|
| Quick battery charging | VOOC 3.0 | Quick Charge 2.0 |
| Wireless battery charging | PMA | |
| Internal memory | 128 GB | 128 GB, 512 GB |
| RAM memory | 8 GB | 6 GB, 8 GB |
| Memory cards | 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 9.0 Pie |
| Interface | ColorOS 6.1.2 | One UI |
| Processor | MediaTek Helio P70 MT6771T | Samsung Exynos 9820 |
| Processor clock | 2100 MHz | 2700 MHz |
| GPU | ARM Mali-G72 MP3 | ARM Mali-G76 MP12 |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 4Q 2019 | 1Q 2019 |
| Other names | PCPM00 | SM-G973; SM-G973F |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | |
| Standard 5G | ||
| CDMA | 850 | |
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

