Comparison between:
- KXD K10
- KXD A8
- KXD A9
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| KXD K10 | KXD A8 | KXD A9 | |
 |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.1 mm 7.61 cm 0.25 ft 2.996 in | 71.5 mm 7.15 cm 0.235 ft 2.815 in | - |
| Height | 157.3 mm 15.73 cm 0.516 ft 6.193 in | 146.8 mm 14.68 cm 0.482 ft 5.78 in | - |
| Thickness | 8.5 mm 0.85 cm 0.028 ft 0.335 in | 9.5 mm 0.95 cm 0.031 ft 0.374 in | - |
| Weight | 165 g 0.36 lbs 5.82 oz | 160 g 0.35 lbs 5.64 oz | - |
| Volume | 101.75 cm³ 6.18 in³ | 99.71 cm³ 6.06 in³ | - |
| Colors | Gold Black Blue | Black White | Blue Red |
| Body materials | Metal | 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 Nano-SIM | Nano-SIM Nano-SIM / microSD |
| 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) | 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 (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| LTE | LTE-TDD 2300 MHz (B40) LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | - | LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) |
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 | EDGE GPRS HSPA | 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 8.1 Oreo | Android 9.0 Pie |
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 MT6750 | MediaTek MT6580 | MediaTek MT6739 |
| Process technology | 28 nm | 28 nm | 28 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53 | 4x 1.3 GHz ARM Cortex-A7 | 4x 1.5 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 32 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv7-A | ARMv8-A |
| 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 | 4 |
| CPU frequency | 1500 MHz | 1300 MHz | 1500 MHz |
| GPU | ARM Mali-T860 MP2 | ARM Mali-400 MP1 | IMG PowerVR GE8100 |
| GPU cores | 2 | 1 | - |
| GPU frequency | 520 MHz | 500 MHz | 570 MHz |
| RAM capacity | 3 GB | 1 GB | 2 GB |
| RAM type | LPDDR3 | LPDDR2/LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel |
| RAM frequency | 800 MHz | 533 MHz | 667 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 16 GB | 16 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 | 6 in 152.4 mm 15.24 cm | 5.71 in 145.03 mm 14.5 cm | 6.22 in 157.99 mm 15.8 cm |
| Width | 2.68 in 68.16 mm 6.82 cm | 2.44 in 62.05 mm 6.21 cm | 2.65 in 67.34 mm 6.73 cm |
| Height | 5.37 in 136.31 mm 13.63 cm | 5.16 in 131.09 mm 13.11 cm | 5.63 in 142.92 mm 14.29 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2.113:1 | 2.122:1 |
| Resolution | 720 x 1440 pixels | 480 x 1014 pixels | 720 x 1528 pixels |
| Pixel density | 268 ppi 105 ppcm | 196 ppi 77 ppcm | 272 ppi 106 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 77.86 % | 77.75 % | - |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Dragontrail glass 2.5D curved screen glass 450 cd/m² | - | In-cell |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Gravity | Proximity Accelerometer Compass |
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 | - | - |
| Aperture | f/2 | f/2 | f/2 |
| Number of lenses | 4 | - | 4 |
| Flash type | Dual LED | LED | LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 2560 x 1920 pixels 4.92 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Panorama Touch focus | Autofocus Panorama Touch focus |
| Secondary rear camera - 5 MP | Secondary rear camera - 0.3MP | Secondary rear camera - 0.3MP |
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 | f/2 |
| Field of view | 73.9 ° | - | - |
| Number of lenses | 4 | - | 4 |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | 640 x 480 pixels 0.31 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | - | Face unlock | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
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 | GPS A-GPS | 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 Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 4.0 | 4.0 |
| Features | A2DP | 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 | Micro USB |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | 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 | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync | Computer sync 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 | 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 eAAC+ FLAC MIDI MP3 OGG WMA WAV | eAAC+ MP3 WAV | eAAC+ MP3 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 WebM WMV Xvid | H.264 MP4 | H.264 MP4 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 3300 mAh | 2520 mAh | 3000 mAh |
| Type | Li-Ion | Li-Polymer | Li-Ion |
| 2G talk time | 16 h 960 min 0.7 days | - | 18 h 1080 min 0.8 days |
| 2G stand-by time | 270 h 16200 min 11.3 days | - | 264 h 15840 min 11 days |
| 3G talk time | 16 h 960 min 0.7 days | - | 18 h 1080 min 0.8 days |
| 3G stand-by time | 270 h 16200 min 11.3 days | - | 264 h 15840 min 11 days |
| Features | Non-removable | Non-removable | Non-removable |
| KXD K10 | KXD A8 | KXD A9 |