Comparison between:
- ZTE Blade V7 Plus
- KXD W55
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| ZTE Blade V7 Plus | KXD W55 | |
 |  | |
| Model alias | Blade V7+ | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 72 mm 7.2 cm 0.236 ft 2.835 in | 76.9 mm 7.69 cm 0.252 ft 3.028 in |
| Height | 148 mm 14.8 cm 0.486 ft 5.827 in | 152.9 mm 15.29 cm 0.502 ft 6.02 in |
| Thickness | 7.5 mm 0.75 cm 0.025 ft 0.295 in | 10.1 mm 1.01 cm 0.033 ft 0.398 in |
| Weight | 143 g 0.32 lbs 5.04 oz | - |
| Volume | 79.92 cm³ 4.85 in³ | 118.76 cm³ 7.21 in³ |
| Colors | Silver Gold | Gold Red Black Blue |
| Body materials | Aluminium alloy | 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 / microSD Nano-SIM | 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) |
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 1900 MHz W-CDMA 2100 MHz |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 2100 MHz | - |
| LTE | LTE 850 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE 700 MHz (B28) | - |
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+ |
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 Marshmallow | Android 6.0 Marshmallow |
| User interface (UI) | - | KXD UI |
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 | MediaTek MT6753 | MediaTek MT6580 |
| Process technology | 28 nm | 28 nm |
| CPU | ARM Cortex-A53 | ARM Cortex-A7 |
| CPU bits | 64 bit | 32 bit |
| Instruction set | ARMv8-A | ARMv7 |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 512 KB 0.5 MB |
| CPU cores | 8 | 4 |
| CPU frequency | 1300 MHz | 1300 MHz |
| GPU | ARM Mali-T720 MP3 | ARM Mali-400 MP2 |
| GPU cores | 3 | 2 |
| GPU frequency | 450 MHz | - |
| RAM capacity | 2 GB | 1 GB |
| RAM type | LPDDR3 | - |
| RAM channels | Single channel | Single channel |
| RAM frequency | 666 MHz | 533 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 | IPS |
| Diagonal size | 5.2 in 132.08 mm 13.21 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.55 in 64.75 mm 6.48 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 4.53 in 115.12 mm 11.51 cm | 4.79 in 121.76 mm 12.18 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1080 x 1920 pixels | 540 x 960 pixels |
| Pixel density | 424 ppi 166 ppcm | 200 ppi 78 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 70.18 % | 71.15 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| 2.5D curved glass screen | 450 cd/m² |
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 |
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 |
| Aperture | f/2.2 | f/2.2 |
| Focal length and 35 mm equivalent | 3.5 mm | - |
| Number of lenses | - | 4 |
| Flash type | Dual 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 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 |
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.
| Aperture | f/2.8 | - |
| Focal length and 35 mm equivalent | 3.5 mm | - |
| Auxiliary light | - | LED |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 640 x 480 pixels 0.31 MP |
| Video resolution | - | 640 x 480 pixels 0.31 MP |
| Video FPS | - | 30 fps |
| - | Interpolated resolution - 2 MP |
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 |
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 | 4.0 | 4.0 |
| Features | A2DP AVRCP EDR GAVDP GAP HFP HSP LE OBEX OPP PBAP | 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 |
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 AMR AMR-WB 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 MP4 Xvid | 3GPP AVI H.263 H.264 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 | 2500 mAh | 2500 mAh |
| Type | Li-Ion | Li-Polymer |
| 2G talk time | 9 h 540 min 0.4 days | 20 h 1200 min 0.8 days |
| 2G stand-by time | 220 h 13200 min 9.2 days | 290 h 17400 min 12.1 days |
| 3G talk time | 9 h 540 min 0.4 days | 20 h 1200 min 0.8 days |
| 3G stand-by time | 220 h 13200 min 9.2 days | 290 h 17400 min 12.1 days |
| Charger output power | - | 5 V / 1 A |
| Features | Non-removable | Removable |
| ZTE Blade V7 Plus | KXD W55 |