Oppo Reno 5Z vs Vivo Y21s
| Type | Touch | Touch | Touch | Touch |
| Waterproofness & dust-resistance | IPX4 | |||
| Dimensions | 160.10 x 73.40 x 7.80 mm | 164.26 x 76.08 x 8.00 mm | 163.78 x 75.62 x 8.40 mm | 164.60 x 75.90 x 8.50 mm |
| Weight | 173.00 g | 182.00 g | 190.00 g | 189.00 g |
| Display size | 6.43" | 6.51" | 6.52" | 6.50" |
| Display | Color / AMOLED 16M colors 60 Hz 1080 x 2400 px (6.43") 409 ppi | Color / IPS TFT 16M colors 60 Hz 720 x 1600 px (6.51") 270 ppi | Color / IPS TFT 16M colors 60 Hz 720 x 1600 px (6.52") 269 ppi | Color / IPS TFT 16M colors 90 Hz 720 x 1600 px (6.50") 270 ppi |
| Display protection | ||||
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 3G: 1320 min. (22.0 h) | |||
| Stand-by (max.) | 2G: 330 h. (13.8 days) 3G: 330 h. (13.8 days) 4G: 330 h. (13.8 days) | |||
| Playback time (max.) | Audio: 43 h (1.8 days) Video: 18 h (0.8 days) | nd | nd | nd |
| Standard battery | Li-Po 4310 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
| Li-Po 5000 mAhBuy powerbank
| Li-Ion 5050 mAhBuy powerbank
|
| Quick battery charging | VOOC 4.0 | Quick Charge | ||
| Wireless battery charging | ||||
| Internal memory | 128 GB | 128 GB | 128 GB | 32 GB |
| RAM memory | 8 GB | 4 GB | 4 GB | 3 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 256 GB | microSD, microSDHC, microSDXC up to 512 GBBuy memory card |
| Operating system | Android 11 | Android 11 | Android 11 | Android 11 |
| Interface | ColorOS 11.1 | Funtouch 11.1 | ColorOS 11.1 | - |
| Processor | MediaTek Dimensity 800U | MediaTek Helio G80 MT6769T | MediaTek Helio G35 MT6765G | Unisoc Tiger T606 UMS9230 T7200 |
| Processor clock | 2400 MHz | 2000 MHz | 2300 MHz | 1600 MHz |
| GPU | ARM Mali-G57 MC3 | ARM Mali-G52 MC2 | PoverVR GE8320 @680 MHz | Mali-G57 MP1 @650 MHz |
| Touchscreen | ||||
| 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 | ||||
| Announced | 1Q 2021 | 3Q 2021 | 4Q 2021 | 1Q 2022 |
| Other names | CPH2211; Reno5 Z | Y21s 2021 | CPH2273 | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 2100 | 850 900 2100 | 850 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2300 | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| Standard 5G | FDD 5G: 2600, 2100, 1800, 1700, 900, 850, 800, 700 TDD 5G: 3700, 3500, 2600, 2500, 2300 | |||
| CDMA | ||||
| Standard TD-SCDMA | ||||
| UMA |



