Comparison between:
- Huawei GR5
- UMIDIGI A3 Pro
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Huawei GR5 | UMIDIGI A3 Pro | |
 |  Prices | |
| Model alias | KII-L03 KII-L21 KII-L22 KII-L23 | A3Pro |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.3 mm 7.63 cm 0.25 ft 3.004 in | 70.2 mm 7.02 cm 0.23 ft 2.764 in |
| Height | 151.3 mm 15.13 cm 0.496 ft 5.957 in | 147.2 mm 14.72 cm 0.483 ft 5.795 in |
| Thickness | 8.15 mm 0.815 cm 0.027 ft 0.321 in | 8.5 mm 0.85 cm 0.028 ft 0.335 in |
| Weight | 158 g 0.35 lbs 5.57 oz | 185 g 0.41 lbs 6.53 oz |
| Volume | 94.09 cm³ 5.71 in³ | 87.83 cm³ 5.33 in³ |
| Colors | White Gray Silver | Gray Gold |
| Body materials | Aluminium alloy Magnesium alloy | Metal Plastic |
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 |
| Number of SIM cards | 2 | 2 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | 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 GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| W-CDMA | - | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| UMTS | UMTS 2100 MHz UMTS 1900 MHz (KII-L03; KII-L21; KII-L23) UMTS 1700/2100 MHz (KII-L03; KII-L23) UMTS 850 MHz (KII-L03; KII-L22; KII-L23) UMTS 900 MHz (KII-L21; KII-L22) | - |
| LTE | LTE 2600 MHz LTE 2100 MHz (KII-L21; KII-L22) LTE 1900 MHz (KII-L03; KII-L23) LTE 1800 MHz (KII-L21; KII-L22) LTE 1700/2100 MHz (KII-L03; KII-L23) LTE 850 MHz (KII-L03; KII-L22; KII-L23) LTE 900 MHz (KII-L21; KII-L22) LTE 800 MHz (KII-L21) LTE 700 MHz (B28) (KII-L03; KII-L22; KII-L23) | LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz (B12) LTE 800 MHz (B19) |
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 4 |
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 5.1 Lollipop Android 6.0 Marshmallow | Android 8.1 Oreo |
| User interface (UI) | Emotion 3.1 Emotion 4.0 | - |
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 | Qualcomm Snapdragon 616 MSM8939v2 | MediaTek MT6739 |
| Process technology | 28 nm | 28 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53, 4x 1.2 GHz ARM Cortex-A53 | ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8 | ARMv8-A |
| Level 0 cache memory (L0) | 4 KB + 4 KB | - |
| Level 1 cache memory (L1) | 16 KB + 16 KB | - |
| Level 2 cache memory (L2) | 2048 KB 2 MB | - |
| CPU cores | 8 | 4 |
| CPU frequency | 1500 MHz | 1500 MHz |
| GPU | Qualcomm Adreno 405 | PowerVR GE8100 |
| GPU frequency | - | 570 MHz |
| RAM capacity | 2 GB | 3 GB |
| RAM type | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel |
| RAM frequency | 800 MHz | 667 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 32 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 | 5.5 in 139.7 mm 13.97 cm | 5.7 in 144.78 mm 14.48 cm |
| Width | 2.7 in 68.49 mm 6.85 cm | 2.45 in 62.25 mm 6.22 cm |
| Height | 4.79 in 121.76 mm 12.18 cm | 5.15 in 130.72 mm 13.07 cm |
| Aspect ratio | 1.778:1 16:9 | 2.1:1 |
| Resolution | 1080 x 1920 pixels | 720 x 1512 pixels |
| Pixel density | 401 ppi 157 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 72.47 % | 78.99 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch |
| - | 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 Compass Fingerprint Hall | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
| Fingerprint sensor model - Fingerprint Cards FPC1025 | - |
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 | - | OmniVision OV12870 |
| Sensor type | CMOS | PureCel |
| Pixel size | - | 1.25 µm 0.001250 mm |
| ISO | - | 100 - 1600 |
| Aperture | f/2 | f/2 |
| Focal length and 35 mm equivalent | - | 3.5 mm |
| Number of lenses | - | 6 |
| Flash type | LED | Dual LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 3968 x 2976 pixels 11.81 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | 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 | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| - | Available also with Sony IMX386 Exmor RS (CMOS) 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 | - | OmniVision OV8856 |
| Sensor type | - | PureCel |
| Sensor size | - | 3.68 x 2.77 mm 0.18 in |
| Pixel size | - | 1.127 µm 0.001127 mm |
| Crop factor | - | 9.4 |
| Aperture | - | f/2 |
| Focal length and 35 mm equivalent | - | 3.5 mm 32.9 mm *(35 mm / full frame) |
| Image resolution | 2560 x 1920 pixels 4.92 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | - | 1280 x 720 pixels 0.92 MP |
| Video 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 Earpiece |
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 GLONASS | 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 Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.1 | 4.0 |
| Features | A2DP | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage | 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 | Computer sync OTA sync Tethering VoLTE |
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 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 H.263 H.264 MP4 Xvid | 3GPP AVI DivX H.263 H.264 MKV MP4 WebM Xvid |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 3000 mAh | 3300 mAh |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | - | 5 V / 1 A |
| Features | Non-removable | Non-removable |
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 (USA) | 0.34 W/kg | - |
| Body SAR (USA) | 0.49 W/kg | - |
| Huawei GR5 | UMIDIGI A3 Pro |