Comparison between:
- Nokia G21
- Maze Alpha
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Nokia G21 | Maze Alpha | |
 Prices |  | |
| Model alias | TA-1418 TA-1477 TA-1415 TA-1405 TA-1404 TA-1412 | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.9 mm 7.59 cm 0.249 ft 2.988 in | 82.5 mm 8.25 cm 0.271 ft 3.248 in |
| Height | 164.6 mm 16.46 cm 0.54 ft 6.48 in | 159.8 mm 15.98 cm 0.524 ft 6.291 in |
| Thickness | 8.5 mm 0.85 cm 0.028 ft 0.335 in | 8.1 mm 0.81 cm 0.027 ft 0.319 in |
| Weight | 190 g 0.42 lbs 6.7 oz | 225 g 0.5 lbs 7.94 oz |
| Volume | 106.19 cm³ 6.45 in³ | 106.79 cm³ 6.49 in³ |
| Colors | Dusk Nordic Blue | Black |
| Body materials | Plastic | Metal |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Nano-SIM | Nano-SIM Nano-SIM / microSD |
| Number of SIM cards | 2 | 2 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | - |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 900 MHz W-CDMA 2100 MHz |
| LTE | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1700 MHz (B66) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE 800 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz |
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 6 |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android 11 Android 12 Android 13 | Android 7.0 Nougat |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | Unisoc Tiger T606 | MediaTek Helio P25 (MT6757CD) |
| Process technology | 12 nm | 16 nm |
| CPU | 2x 1.6 GHz ARM Cortex-A75, 6x 1.4 GHz ARM Cortex-A55 | 4x 2.5 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | - | 256 KB + 256 KB |
| Level 2 cache memory (L2) | - | 2048 KB 2 MB |
| CPU cores | 8 | 8 |
| CPU frequency | 1600 MHz | 2500 MHz |
| GPU | ARM Mali-G57 MP1 | ARM Mali-T880 MP2 |
| GPU cores | 1 | 2 |
| GPU frequency | 650 MHz | 900 MHz |
| RAM capacity | 4 GB 6 GB | 4 GB 6 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1600 MHz | 1600 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB | 64 GB 128 GB |
| eMMC 5.1 | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC microSDXC |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IPS | IPS |
| Diagonal size | 6.5 in 165.1 mm 16.51 cm | 6 in 152.4 mm 15.24 cm |
| Width | 2.67 in 67.75 mm 6.78 cm | 2.94 in 74.72 mm 7.47 cm |
| Height | 5.93 in 150.56 mm 15.06 cm | 5.23 in 132.83 mm 13.28 cm |
| Aspect ratio | 2.222:1 | 1.778:1 16:9 |
| Resolution | 720 x 1600 pixels | 1080 x 1920 pixels |
| Pixel density | 270 ppi 106 ppcm | 367 ppi 144 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 81.91 % | 75.52 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen 90 Hz refresh rate | Corning Gorilla Glass 4 2.5D curved glass screen |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Fingerprint | Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall |
| Side-mounted fingerprint sensor | - |
Rear camera
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | - | Samsung S5K3L8 |
| Sensor type | CMOS | ISOCELL |
| Sensor size | - | 4.69 x 3.52 mm 0.23 in |
| Sensor format | 1/2.76" | - |
| Pixel size | 0.64 µm 0.000640 mm | 1.127 µm 0.001127 mm |
| Crop factor | - | 7.38 |
| Aperture | f/1.8 | f/2.2 |
| Focal length and 35 mm equivalent | 28 mm *(35 mm / full frame) | 3.5 mm 25.82 mm *(35 mm / full frame) |
| Flash type | LED | Dual LED |
| Image resolution | 8160 x 6120 pixels 49.94 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 60 fps |
| Features | Autofocus Geotagging Panorama HDR Touch focus White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| Secondary rear camera - 2 MP (depth-sensing) Third rear camera - 2 MP (macro) | Secondary rear camera - 5 MP |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Sensor model | - | GalaxyCore GC5025 |
| Sensor type | CMOS | CMOS |
| Sensor size | - | 2.92 x 2.2 mm 0.14 in |
| Pixel size | - | 1.127 µm 0.001127 mm |
| Crop factor | - | 11.84 |
| Aperture | f/2 | - |
| Field of view | - | 84 ° |
| Auxiliary light | LED | - |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Face unlock | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker |
| - | Smart PA |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS GLONASS BeiDou |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 4.1 |
| Features | A2DP LE | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | USB Type-C |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC | Computer sync OTA sync Tethering HotKnot |
| NFC - market dependent | - |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | AAC AAC+ AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | 3GPP AVI MKV MP4 WMV Xvid | 3GPP AVI H.263 H.264 MKV MP4 WMV |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 5050 mAh | 4000 mAh |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | 9 V / 2 A | 5 V / 2 A 9 V / 2 A 12 V / 1.5 A |
| Quick charge technology | - | MediaTek Pump Express Plus |
| Features | Fast charging Non-removable | Fast charging Non-removable |
| 10W charger in the box | - |
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
| Head SAR (EU) | 0.34 W/kg | 0.416 W/kg |
| Body SAR (EU) | 1.05 W/kg | 0.974 W/kg |
| Head SAR (USA) | 1 W/kg | - |
| Body SAR (USA) | 1.1 W/kg | - |
| Nokia G21 | Maze Alpha |