Nokia G21 Dual SIM vs Nokia 5.3 Dual SIM
| Vormgeving | Touchscreen | Touchscreen |
| Afmetingen | 164.60 x 75.90 x 8.50 mm | 164.30 x 76.60 x 8.50 mm |
| Gewicht | 190.00 g | 185.00 g |
| Schermgrootte | 6.50" | 6.55" |
| Scherm | Kleurrijk / IPS TFT 16M kleuren 90 Hz 720 x 1600 px (6.50") 270 ppi | Kleurrijk / IPS TFT 16M kleuren 720 x 1600 px (6.55") 268 ppi |
| Bescherming scherm | ||
| Extra scherm | ||
| Secundaire bescherming scherm | ||
| Standaard batterij | Li-Ion 5050 mAhBuy powerbank | Li-Ion 4000 mAhBuy powerbank |
| Snel opladen van de batterij | USB Power Delivery 3.0 | |
| Draadloos opladen van de batterij | ||
| Intern geheugen | 64 GB, 128 GB | 64 GB |
| RAM-geheugen | 4 GB | 4 GB |
| Geheugen kaarten | microSD, microSDHC, microSDXC tot 512 GBBuy memory card | microSD, microSDHC, microSDXC tot 512 GBBuy memory card |
| Besturingssysteem | Android 11 | Android 10 One |
| Processor | Unisoc Tiger T606 UMS9230 T7200 | Qualcomm Snapdragon 665 SM6125 |
| CPU-klok | 1600 MHz | 2000 MHz |
| GPU | Mali-G57 MP1 @650 MHz | Adreno 610 |
| Touchscreen | ||
| Dual SIM | ||
| SIM-kaarten standaard | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| Dual SIM-modus | dual standby | dual standby |
| Hybride Dual SIM | ||
| Introductiedatum | I. kwartaal 2022 | I. kwartaal 2020 |
| Andere namen van deze telefoon | - | TA-1223; TA-1227; TA-1229; TA-1234 |
| GSM standaard | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS standaard (3G) | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE-standaard | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2300 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| 5G-standaard | ||
| CDMA standaard | ||
| TD-SCDMA-standaard | ||
| UMA standaard |

