Side-by-side technical data
Samsung Galaxy A21 vs General Mobile GM 20
Comparison between Samsung Galaxy A21 and General Mobile GM 20: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung and General.
The verdict
Your pick: General Mobile GM 20, ahead on Performance & hardware and Camera. Unless Connectivity decides it for you.
| Category | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Design & display | 4.9 | 5.0 |
| Performance & hardware | 2.5 | 3.2 |
| Camera | 4.3 | 4.8 |
| Connectivity | 5.8 | 3.7 |
| Battery & charging | 3.7 | 3.8 |
Which one is for you?
Samsung Galaxy A21, if you care about…
- Body Thickness
- 8.1 mm
- against 8.8 mm
- Display Diagonal
- 6.5″
- against 6.09″
- Microphone Count
- 2
- against 1
General Mobile GM 20, if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Display Pixel Density
- 282 ppi
- against 270 ppi
- Weight
- 160 g
- against 193 g
Specification comparison
Performance
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Processor Model | MediaTek Helio P35 | MediaTek Helio A22 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | PowerVR CXTP-48-1536 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.35 GHz Best value | 1.8 GHz |
| Maximum Storage Capacity | 64 GB | 64 GB |
| AnTuTu Score | 103,115 | — |
| Geekbench 6 Single-Core | 164 | — |
| Geekbench 6 Multi-Core | 744 | — |
| CPU Description | Octa-core CPU with four Cortex-A53 cores at up to 2.35 GHz and four Cortex-A53 cores at 1.8 GHz. | — |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 3 GB | 4 GB Best value |
| RAM Type | LPDDR4X | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Body Colors | Black | — |
| Body Thickness | 8.1 mm Best value | 8.8 mm |
| Body Width | 76.7 mm | 73.8 mm |
| Body Height | 167.8 mm | 154.5 mm |
| Weight | 193 g | 160 g Best value |
| Usable Surface | 79.3 % | — |
| Body Materials | Glass, Plastic | Plastic |
| Resistance Features | — | Water Resistant |
Battery
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Battery Capacity | 4,000 mAh | 4,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 15 W | — |
| Battery Features | Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator | Battery Level Indicator, Rechargeable, Non-Removable |
Display
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.5″ Best value | 6.09″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px Best value | 1,560 px |
| Display Pixel Density | 270 ppi | 282 ppi Best value |
| Display Features | IPS LCD, Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Touchscreen | Touchscreen, Water Drop Notch |
Sensors
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | — |
Sensor
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Hall Sensor | Accelerometer, Compass, Fingerprint Sensor |
Software
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Operating System | Android 10 | Android 10 |
| OS Family | Android | Android |
| OS Version | 10 | 10 |
| OS Update Support | 2 years | — |
| Google Services | Yes | — |
Connectivity
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| SIM Configurations | Single Nano-SIM, Dual Nano-SIM, Dual SIM Dual Standby, Single SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B850, 3G UMTS B900, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B20, 4G LTE B25, 4G LTE B26, LTE B28, 4G LTE B30, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 4G LTE B71 | — |
| Cellular Technologies | GSM, CDMA, HSPA, UMTS, EVDO, LTE, 4G | 4G, LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n), Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Direct, Wi-Fi Hotspot | Wi-Fi Hotspot |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP | — |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value | GPS |
| Connectivity Features | 3.5 mm Audio Jack, NFC, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG, USB Type-C | 3.5 mm Audio Jack, FM Radio, USB Type-C |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | 1.27 W/kg | — |
| SAR American Body | 0.6 W/kg | — |
| SAR (EU) head | 0.23 W/kg | — |
| SAR (EU) body | 1.38 W/kg | — |
| Max. download speed | 150 Mbps | 150 Mbps |
| Max. upload speed | 50 Mbps | 50 Mbps |
Audio
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Microphone Count | 2 Best value | 1 |
| Audio Features | Loudspeaker, A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP | Noise-Cancellation Microphone |
Technical
| Specification | Galaxy A21 | Mobile GM 20 |
|---|---|---|
| Model numbers | SM-A215U, SM-A215U1, SM-S215DL, SM-A215W | — |
Related comparisons
- Samsung Galaxy A21 vs Honor Play 9A
- Samsung Galaxy A21 vs Motorola Moto G Play
- Samsung Galaxy A21 vs LG K71
- Samsung Galaxy A21 vs Samsung Galaxy M10s
- General Mobile GM 20 vs Honor Play 9A
- General Mobile GM 20 vs Motorola Moto G Play
- General Mobile GM 20 vs LG K71
- General Mobile GM 20 vs General Mobile GM 20 Pro
