| Hardware and OS General Mobile GM 21 Pro |
| Operating System: | Android 11 |
| Processor: | Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| Chipset: | Mediatek MT6785 Helio G90 (12 nm) |
| RAM: | 6GB 128GB |
| Memory Card Slot: | Yes, up to 256GB via microSD card (uses SIM 2 slot) |
| GPU: | Mali-G76 MC4 |
| Display General Mobile GM 21 Pro |
| Type: | IPS LCD capacitive touchscreen, 16M colors |
| Size: | 6.76 inches, (84.3% screen-to-body ratio) |
| Resolution: | 1080 x 2340 pixels, 19.5:9 ratio |
| Connectivity General Mobile GM 21 Pro |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 and SIM 2 |
| 3G Network: | HSPA 42.2/5.76 Mbps, LTE |
| 4G Network: | LTE band 1, 2, 3, 5, 7, 8, 20, 38, 40 |
| Technology: | GSM / HSPA / LTE |
| Speed: | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth: | Bluetooth 5.0, A2DP |
| GPS: | Yes, with A-GPS, GLONASS |
| NFC: | No |
| USB: | USB Type-C 2.0 |
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot |
| Camera General Mobile GM 21 Pro |
| Main camera: | Main: 48MP, f/1.8, PDAF
Ultrawide: 5MP, f/2.2, 115˚ FoV,
Macro: 2MP, 2.4
Depth: 2MP, 2.4 |
| Camera Features: | Autofocus / Continuous shooting / Digital zoom / HDR / Touch focus / Face detection / LED flash |
| Camera Type: | Quadruple Lenses |
| Video Recording: | 1080p@30fps |
| Selfie camera: | 16-megapixel punch hole camera |
| Camera Features: | Face Beautification / FaceID / F2.0 |
| Camera Type: | Single Lens |
| Video Resolution: | 1080p |
| Multimedia General Mobile GM 21 Pro |
| Headphone jack: | Yes, 3.5mm audio jack |
| Loudspeaker: | Yes |
| Speaker Location: | Placed at the base of the phone |
| Design General Mobile GM 21 Pro |
| Body build: | Glass front / Plastic Body |
| SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Dimensions: | 165.24 x 76.95 x 8.99 mm |
| Weight: | 205 grams |
| Battery General Mobile GM 21 Pro |
| Capacity: | Non-removable Li-Ion 5000mAh battery |
| Other features General Mobile GM 21 Pro |
| Colors: | Graphite, Moonstone |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity, compass |
