Side by side comparison and review of Alcatel Flash and Nokia G21. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Alcatel Flash | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 152.6 mm | 164.6 mm | Nokia G21 has greater height than Alcatel Flash. |
| Width | 75.4 mm | 75.9 mm | Nokia G21 has greater width than Alcatel Flash. |
| Depth | 8.7 mm | 8.5 mm | Nokia G21 is narrower than Alcatel Flash. |
| Weight | 155 g | 190 g | Alcatel Flash is lighter than Alcatel Flash. |
| Body Colour | Titanium grey | Nordic blue | Dusk | |
| Body Material | - | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.724 W/kg (body), 0.284 W/kg (head) | 1.048 W/kg (body), 0.339 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Alcatel Flash | Nokia G21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.5" | 6.5" | Nokia G21 has larger screen size than Alcatel Flash. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Alcatel Flash has better screen resolution than Nokia G21. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | Full Lamination | V-notch display, High brightness mode | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass) | - |
| PROCESSOR | Alcatel Flash | Nokia G21 |
|---|
| Processor Type (CPU) | MediaTek Helio X20 | Unisoc | |
|---|---|---|---|
| Processor Number | MT6797 | T606 | |
| Clock Speed | 1.3 GHz | 1.6 GHz | Nokia G21 has higher clock speed than Alcatel Flash. |
| Processor Core Qty | 10-core | 8-core | Alcatel Flash has higher processor core quantity than Nokia G21. |
| Graphics System (GPU) | Mali T880 MP4 | - |
| MEMORY | Alcatel Flash | Nokia G21 |
|---|
| RAM | 3 GB | 4 GB | Nokia G21 has more RAM than Alcatel Flash. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Nokia G21 has more internal memory than Alcatel Flash. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Alcatel Flash | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than Alcatel Flash. |
| Sensor Size | - | 1/2.76" | |
| Sensor Type | - | CMOS | |
| Lens Aperture | F/2.0 | F/1.8 | Nokia G21 has better lens aperture than Alcatel Flash. |
| Lens Construction | 6-element | 5-element | |
| Pixel Size | - | 0.64 μm | |
| Focus Adjustment | Automatic | - | |
| Camera Modes | Panorama, tap to focus, Super Fine mode, Manual Focus Mode | - | |
| Face Recognition (Face ID) | Face detection | - | Alcatel Flash has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Closed loop processing, geotagging, Dual-tone Flash | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 2 Megapixel | Alcatel Flash has better second camera resolution than Nokia G21. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/2.0 | - | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | - | |
| Lens Element Qty (Front) | 6-element | - | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | Super Selfie Mode | - | |
| Light Source (Front) | Dual LED flash | - | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF), Closed loop processing, Dual-tone Flash | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 5 Megapixel | - |
|---|
| BATTERY AND CHARGING | Alcatel Flash | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 5050 mAh | Nokia G21 has larger battery capacity than Alcatel Flash. |
|---|---|---|---|
| Standby Time | 466 hours | - | |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Talk (3G): up to 1200 min Standby (3G): up to 466 hrs |
Mixed usage: up to 72 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Alcatel Flash | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Alcatel Flash | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | - | Yes | Nokia G21 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Alcatel Flash | Nokia G21 |
|---|
| Supported Digital Audio Standards | AAC, AMR, MP3, AAC + | - | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, H.264 | - | |
| Sound Enhancements | - | OZO spatial sound recording |
| FEATURES | Alcatel Flash | Nokia G21 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Active noise-cancellation | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | Alcatel Flash | Nokia G21 |
|---|
| Included Accessories | Power adapter | USB-C cable, screen protector (pre-applied), 10W charger |
|---|
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