Google Pixel 3a vs Nokia G21
| Type | Touch | Touch |
| Dimensions | 151.30 x 70.10 x 8.20 mm | 164.60 x 75.90 x 8.50 mm |
| Weight | 147.00 g | 190.00 g |
| Display size | 5.60" | 6.50" |
| Display | Color / OLED 16M colors 1080 x 2220 px (5.60") 441 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: 1920 min. (32.0 h) | |
| Stand-by (max.) | 3G: 312 h. (13.0 days) | |
| Standard battery | Li-Ion 3000 mAhBuy powerbank
| Li-Ion 5050 mAhBuy powerbank
|
| Quick battery charging | USB Power Delivery 3.0 | |
| Wireless battery charging | ||
| Internal memory | 64 GB | 64 GB, 128 GB |
| RAM memory | 4 GB | 4 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | |
| Operating system | Android 9.0 Pie | Android 11 |
| Processor | Qualcomm Snapdragon 670 | Unisoc Tiger T606 UMS9230 T7200 |
| Processor clock | 2000 MHz | 1600 MHz |
| GPU | Adreno 615 | Mali-G57 MP1 @650 MHz |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | SingleSIM(nanoSIM) | SingleSIM(nanoSIM) |
| Announced | 2Q 2019 | 1Q 2022 |
| Other names | G020A; G020E | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2100, 1900, 1800, 1700, 1500, 900, 850, 800, 700 TDD LTE: 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2300 |
| Standard 5G | ||
| CDMA | 850 1900 | |
| Standard TD-SCDMA | ||
| UMA |
