Realme C21Y vs Redmi A1
| Vormgeving | Touchscreen | Touchscreen |
| Afmetingen | 164.50 x 76.00 x 9.10 mm | 164.90 x 76.75 x 9.09 mm |
| Gewicht | 194.00 g | 192.00 g |
| Schermgrootte | 6.50" | 6.52" |
| Scherm | Kleurrijk / IPS TFT 16M kleuren 60 Hz 720 x 1600 px (6.50") 270 ppi | Kleurrijk / IPS TFT 16M kleuren 720 x 1600 px (6.52") 269 ppi |
| Bescherming scherm | Corning Gorilla Glass Buy screen protector | |
| Extra scherm | ||
| Secundaire bescherming scherm | ||
| Standaard batterij | Li-Po 5000 mAhBuy powerbank | Li-Ion 5000 mAhBuy powerbank |
| Snel opladen van de batterij | ||
| Draadloos opladen van de batterij | ||
| Intern geheugen | 32 GB, 64 GB | 32 GB |
| End-user-geheugen | 44 GB | |
| RAM-geheugen | 3 GB, 4 GB | 2 GB |
| Geheugen kaarten | microSD, microSDHC, microSDXC tot 256 GBBuy memory card | microSD, microSDHC, microSDXC tot 256 GBBuy memory card |
| Besturingssysteem | Android 11 | Android 12 Go |
| Interface | realme UI | - |
| Processor | Unisoc Tiger T610 UMS512 | MediaTek Helio A22 MT6761 |
| CPU-klok | 1800 MHz | 2000 MHz |
| GPU | ARM Mali G52 MP2 @614 MHz | PowerVR GE8300 @660 MHz |
| Touchscreen | ||
| Dual SIM | ||
| SIM-kaarten standaard | DualSIM(nanoSIM, nanoSIM) | |
| Dual SIM-modus | dual standby | nd |
| Hybride Dual SIM | nd | |
| Introductiedatum | II. kwartaal 2021 | III. kwartaal 2022 |
| Andere namen van deze telefoon | RMX3261; RMX3263 | Xiaomi Redmi A1; 220733SG |
| GSM standaard | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS standaard (3G) | 850 900 2100 | 850 900 2100 |
| LTE-standaard | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2500, 2300 |
| 5G-standaard | ||
| CDMA standaard | ||
| TD-SCDMA-standaard | ||
| UMA standaard |

