Comparison between:
- ZTE Visible R2
- ZTE Avid Plus
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| ZTE Visible R2 | ZTE Avid Plus | |
 |  | |
| Model alias | Z525V | Z828 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 69.5 mm 6.95 cm 0.228 ft 2.736 in | 72.9 mm 7.29 cm 0.239 ft 2.87 in |
| Height | 147 mm 14.7 cm 0.482 ft 5.787 in | 144.8 mm 14.48 cm 0.475 ft 5.701 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 10.9 mm 1.09 cm 0.036 ft 0.429 in |
| Weight | 135 g 0.3 lbs 4.76 oz | 164 g 0.36 lbs 5.78 oz |
| Volume | 80.71 cm³ 4.9 in³ | 115.06 cm³ 6.99 in³ |
| Colors | White | Blue |
| Body materials | Plastic | 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 |
| Number of SIM cards | 1 | 1 |
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 |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 1700/2100 MHz UMTS 1900 MHz |
| LTE | LTE 850 MHz LTE 1700/2100 MHz LTE 1900 MHz LTE 2600 MHz LTE 700 MHz (B12) LTE 700 MHz (B28) | LTE 1700/2100 MHz LTE 1900 MHz LTE 700 MHz (B12) |
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 8.1 Oreo | Android 5.1.1 Lollipop |
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 425 MSM8917 | Qualcomm Snapdragon 210 MSM8909 |
| Process technology | 28 nm | 28 nm |
| CPU | ARM Cortex-A53 | ARM Cortex-A7 |
| CPU bits | 64 bit | 32 bit |
| Instruction set | ARMv8 | ARMv7 |
| Level 2 cache memory (L2) | - | 1024 KB 1 MB |
| CPU cores | 4 | 4 |
| CPU frequency | 1400 MHz | 1100 MHz |
| GPU | Qualcomm Adreno 308 | Qualcomm Adreno 304 |
| GPU frequency | 500 MHz | 400 MHz |
| RAM capacity | 2 GB | 1 GB |
| RAM type | LPDDR3 | - |
| RAM channels | Single channel | - |
| RAM frequency | 667 MHz | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 8 GB |
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 | TFT |
| Diagonal size | 5.45 in 138.43 mm 13.84 cm | 5 in 127 mm 12.7 cm |
| Width | 2.44 in 61.91 mm 6.19 cm | 2.45 in 62.23 mm 6.22 cm |
| Height | 4.87 in 123.82 mm 12.38 cm | 4.36 in 110.71 mm 11.07 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 1.779:1 |
| Resolution | 720 x 1440 pixels | 480 x 854 pixels |
| Pixel density | 295 ppi 115 ppcm | 196 ppi 77 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 75.27 % | 65.47 % |
| 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 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 type | CMOS | CMOS |
| Flash type | LED | LED |
| Image resolution | 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 | Autofocus Continuous shooting Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection Scene mode |
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 type | CMOS | - |
| Image resolution | 2560 x 1920 pixels 4.92 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | - |
| Video FPS | 30 fps | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| HAC (M3/T4) - Hearing Aid Compatibility | HAC (M3/T3) - Hearing Aid Compatibility |
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 |
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 Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 4.1 |
| Features | A2DP AVRCP FTP HFP HID HSP LE MAP PAN PBAP | A2DP AVRCP FTP HFP HID HSP MAP OPP PBAP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | Micro USB |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage |
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 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 |
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 |
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 H.265 MP4 WebM Xvid | 3GPP AVI MPEG-4 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 | 3200 mAh | 2300 mAh |
| Type | Li-Polymer | Li-Ion |
| 2G talk time | 24 h 1440 min 1 days | - |
| 2G stand-by time | 290 h 17400 min 12.1 days | - |
| 3G talk time | 24 h 1440 min 1 days | - |
| 3G stand-by time | 290 h 17400 min 12.1 days | - |
| Features | Non-removable | 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) | 0.42 W/kg | 0.78 W/kg |
| Body SAR (USA) | 0.99 W/kg | 1.18 W/kg |
| ZTE Visible R2 | ZTE Avid Plus |