Nokia G21 Dual SIM vs i-mate JAMin
| Type | Touch | Touch |
| Dimensions | 164.60 x 75.90 x 8.50 mm | 108.00 x 58.00 x 18.20 mm |
| Weight | 190.00 g | 150.00 g |
| Display size | 6.50" | 2.80" |
| Display | Color / IPS TFT 16M colors 90 Hz 720 x 1600 px (6.50") 270 ppi | Color / TFT 64k colors 240 x 320 px (2.80") 143 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Standard battery | Li-Ion 5050 mAhBuy powerbank
| Li-Po 1200 mAhBuy powerbank
|
| Quick battery charging | USB Power Delivery 3.0 | |
| Wireless battery charging | ||
| Internal memory | 64 GB, 128 GB | 128 MB |
| RAM memory | 4 GB | 64 MB |
| Memory cards | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | SD, MMC, SDIO |
| Operating system | Android 11 | MS Windows Mobile 5.0 Pocket PC |
| Processor | Unisoc Tiger T606 UMS9230 T7200 | TI OMAP850 |
| Processor clock | 1600 MHz | 200 MHz |
| GPU | Mali-G57 MP1 @650 MHz | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | SingleSIM(nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 1Q 2022 | |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2300 | |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

