Comparison between:
- Asus ZenFone 3 ZE520KL
- Gome U7
- Uhans H5000
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Asus ZenFone 3 ZE520KL | Gome U7 | Uhans H5000 | |
 |  |  | |
| Model alias | Z017D Z017DA Z017DB | 2017M27A | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 73.98 mm 7.398 cm 0.243 ft 2.913 in | 75.2 mm 7.52 cm 0.247 ft 2.961 in | 71.2 mm 7.12 cm 0.234 ft 2.803 in |
| Height | 146.87 mm 14.687 cm 0.482 ft 5.782 in | 161.5 mm 16.15 cm 0.53 ft 6.358 in | 143.5 mm 14.35 cm 0.471 ft 5.65 in |
| Thickness | 7.69 mm 0.769 cm 0.025 ft 0.303 in | 7.5 mm 0.75 cm 0.025 ft 0.295 in | 9.5 mm 0.95 cm 0.031 ft 0.374 in |
| Weight | 144 g 0.32 lbs 5.08 oz | 164 g 0.36 lbs 5.78 oz | 180 g 0.4 lbs 6.35 oz |
| Volume | 83.56 cm³ 5.07 in³ | 91.09 cm³ 5.53 in³ | 97.06 cm³ 5.89 in³ |
| Colors | Black White Gold | Black Blue | Gray Gold |
| Body materials | Aluminium alloy Glass | 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 Micro-SIM / microSD | Nano-SIM Nano-SIM / microSD | Micro-SIM |
| Number of SIM cards | 2 | 2 | 2 |
| Features | - | - | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) |
| SIM1 - 2G; 3G; 4G SIM2 - 2G; 3G; 4G | - | - |
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 | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| W-CDMA | - | W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | - | - |
| LTE | LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 850 MHz (B26) LTE 800 MHz (B18) LTE 800 MHz (B19) LTE 700 MHz (B28) | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | 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 6 | UMTS EDGE GPRS LTE Cat 6 TD-SCDMA TD-HSDPA | 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 6.0.1 Marshmallow Android 7.0 Nougat Android 8.0 Oreo | Gome OS 2.0 (Android Nougat 7.1) | Freeme 6.0.1 (Android 6.0 Marshmallow) |
| User interface (UI) | ZenUI 3.0 | - | - |
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 625 MSM8953 | MediaTek Helio P25 (MT6757CD) | MediaTek MT6737 |
| Process technology | 14 nm | 16 nm | 28 nm |
| CPU | ARM Cortex-A53 | 4x 2.5 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53 | ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8 | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | - | 256 KB + 256 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | - | 2048 KB 2 MB | 512 KB 0.5 MB |
| CPU cores | 8 | 8 | 4 |
| CPU frequency | 2000 MHz | 2500 MHz | 1300 MHz |
| GPU | Qualcomm Adreno 506 | ARM Mali-T880 MP2 | ARM Mali-T720 MP1 |
| GPU cores | - | 2 | 1 |
| GPU frequency | - | 900 MHz | 600 MHz |
| RAM capacity | 3 GB 4 GB | 4 GB 6 GB | 3 GB |
| RAM type | LPDDR3 | LPDDR4X | LPDDR3 |
| RAM channels | Single channel | Double channel | Single channel |
| RAM frequency | 933 MHz | 1600 MHz | 640 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB 64 GB | 64 GB | 32 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | 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 | IPS |
| Diagonal size | 5.2 in 132.08 mm 13.21 cm | 5.99 in 152.15 mm 15.21 cm | 5 in 127 mm 12.7 cm |
| Width | 2.55 in 64.75 mm 6.48 cm | 2.68 in 68.04 mm 6.8 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.53 in 115.12 mm 11.51 cm | 5.36 in 136.08 mm 13.61 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 1.778:1 16:9 | 2:1 2:1 (18:9) | 1.778:1 16:9 |
| Resolution | 1080 x 1920 pixels | 1080 x 2160 pixels | 720 x 1280 pixels |
| Pixel density | 424 ppi 166 ppcm | 403 ppi 158 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 68.83 % | 76.49 % | 67.67 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 3 2.5D curved glass screen Bluelight Filter Oleophobic (lipophobic) coating 600 cd/m² Viewing angle - 178° | 2.5D curved glass screen | Corning Gorilla Glass 4 2.5D curved glass screen Full Lamination Technology 1000:1 contrast ratio |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Accelerometer |
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 | Sony IMX298 Exmor RS | Sony IMX258 Exmor RS | Sony IMX219PQ Exmor R |
| Sensor type | CMOS | CMOS | CMOS BSI |
| Sensor size | 5.22 x 3.92 mm 0.26 in | 4.71 x 3.49 mm 0.23 in | 3.67 x 2.76 mm 0.18 in |
| Pixel size | 1.12 µm 0.001120 mm | 1.133 µm 0.001133 mm | 1.124 µm 0.001124 mm |
| Crop factor | 6.63 | 7.37 | 9.42 |
| Aperture | f/2 | - | - |
| Focal length and 35 mm equivalent | 4.04 mm 26.81 mm *(35 mm / full frame) | - | - |
| Number of lenses | 6 | - | - |
| Flash type | Dual LED | LED | LED |
| Image resolution | 4656 x 3492 pixels 16.26 MP | 4160 x 3120 pixels 12.98 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous autofocus Continuous shooting Digital zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) Laser autofocus (LAF) | 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 Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| Largan lens Sapphire crystal glass lens cover | - | Interpolated resolution - 13 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 | 2.51 mm 23.59 mm *(35 mm / full frame) | - | - |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 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 | - |
| Panorama | - | Interpolated resolution - 8 MP |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker |
| Hi-Res Audio 192 kHz / 24-bit | Headphone adapter | Box sound chamber |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS | GPS A-GPS |
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 802.11ac Wi-Fi Hotspot Wi-Fi Direct | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct |
| MU-MiMO | - | - |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 4.0 | 4.0 |
| Features | A2DP EDR LE | A2DP | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | USB Type-C | Micro USB |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Host Mass storage On-The-Go | 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 | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering |
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 | 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 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 H.263 H.264 MKV MP4 WebM Xvid | 3GPP AVI Flash Video H.263 H.264 MKV QuickTime MP4 Xvid | 3GPP AVI DivX Flash Video H.263 H.264 MKV QuickTime MP4 WebM WMV 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 | 2650 mAh | 3050 mAh | 4500 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer |
| 2G talk time | - | - | 40 h 2400 min 1.7 days |
| 2G stand-by time | - | - | 350 h 21000 min 14.6 days |
| 3G talk time | - | - | 40 h 2400 min 1.7 days |
| 3G stand-by time | - | - | 350 h 21000 min 14.6 days |
| Charger output power | 5 V / 2 A | 5 V / 2 A | 5 V / 1.5 A |
| Features | Non-removable | Non-removable | Fast charging 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 (EU) | 0.754 W/kg | - | - |
| Body SAR (EU) | 1.06 W/kg | - | - |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | Z017D - SAR (Specific Absorption Rate) EU: head - 0.278 W/kg; body - 0.938 W/kg Z017DA - SAR (Specific Absorption Rate) EU: head - 0.754 W/kg; body - 1.060 W/kg Z017DB - SAR (Specific Absorption Rate) EU: head - 0.770 W/kg | - | - |
| Asus ZenFone 3 ZE520KL | Gome U7 | Uhans H5000 |