Comparison between:
- Xiaolajiao K1
- ivvi K1
- Newman K1
- Coolpad K1
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaolajiao K1 | ivvi K1 | Newman K1 | Coolpad K1 | |
![]() | ![]() | ![]() | ![]() | |
| Model alias | Red Pepper K1 | K1-NT | - | 7620L |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 71.6 mm 7.16 cm 0.235 ft 2.819 in | 71 mm 7.1 cm 0.233 ft 2.795 in | 73.9 mm 7.39 cm 0.242 ft 2.909 in | 77.7 mm 7.77 cm 0.255 ft 3.059 in |
| Height | 143 mm 14.3 cm 0.469 ft 5.63 in | 142 mm 14.2 cm 0.466 ft 5.591 in | 145 mm 14.5 cm 0.476 ft 5.709 in | 153.3 mm 15.33 cm 0.503 ft 6.035 in |
| Thickness | 9.3 mm 0.93 cm 0.031 ft 0.366 in | 5.9 mm 0.59 cm 0.019 ft 0.232 in | 9.87 mm 0.987 cm 0.032 ft 0.389 in | 8.1 mm 0.81 cm 0.027 ft 0.319 in |
| Weight | - | 110 g 0.24 lbs 3.88 oz | 180 g 0.4 lbs 6.35 oz | 170 g 0.37 lbs 6 oz |
| Volume | 95.22 cm³ 5.78 in³ | 59.48 cm³ 3.61 in³ | 105.76 cm³ 6.42 in³ | 96.48 cm³ 5.86 in³ |
| Colors | Gold Gray Silver | Black White | - | White |
| Body materials | Metal Plastic | Glass Aluminium alloy | - | - |
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 | Mini-SIM | Micro-SIM |
| Number of SIM cards | 2 | 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 900 MHz GSM 1800 MHz GSM 1900 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 2100 MHz | - | W-CDMA 2100 MHz | W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | - |
| LTE | LTE 1800 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-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2600 MHz (B38) | - | LTE-TDD 2500 MHz (B41) LTE 1800 MHz LTE 2100 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 4 TD-SCDMA TD-HSDPA | EDGE GPRS LTE Cat 4 TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA | 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) | Freeme OS (Android 7.0 Nougat) | Android 4.4 KitKat | Android 4.2.1 Jelly Bean | Android 4.3 Jelly Bean |
| User interface (UI) | - | CoolUI | - | CoolLife |
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 MT6737V | Qualcomm Snapdragon 410 (MSM8916) | MediaTek MT6589 | Qualcomm Snapdragon 400 (MSM8926) |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | 4x 1.25 GHz ARM Cortex-A53 | 4x 1.2 GHz ARM Cortex-A53 | 4x 1.2 GHz ARM Cortex-A7 | 4x 1.2 GHz ARM Cortex-A7 |
| CPU bits | 64 bit | 64 bit | 32 bit | 32 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv7-A | ARMv7-A |
| Level 0 cache memory (L0) | - | 4 KB + 4 KB | - | - |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 16 KB + 16 KB | 32 KB + 32 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 2048 KB 2 MB | 1024 KB 1 MB | 1024 KB 1 MB |
| CPU cores | 4 | 4 | 4 | 4 |
| CPU frequency | 1250 MHz | 1200 MHz | 1200 MHz | 1200 MHz |
| GPU | ARM Mali-T720 MP2 | Qualcomm Adreno 306 | IMG PowerVR SGX544 MP | Qualcomm Adreno 305 |
| GPU cores | 2 | - | 1 | 1 |
| GPU frequency | 550 MHz | 400 MHz | 286 MHz | 450 MHz |
| RAM capacity | 1 GB 2 GB | 1 GB | 1 GB | 1 GB |
| RAM type | LPDDR3 | LPDDR2/LPDDR3 | LPDDR2 | LPDDR2/LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel | Single channel |
| RAM frequency | 640 MHz | 533 MHz | 533 MHz | 533 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 8 GB | 4 GB | 4 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC | microSD | 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 | IPS |
| Diagonal size | 5 in 127 mm 12.7 cm | 5 in 127 mm 12.7 cm | 5 in 127 mm 12.7 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 2.45 in 62.26 mm 6.23 cm | 2.45 in 62.26 mm 6.23 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 4.36 in 110.69 mm 11.07 cm | 4.36 in 110.69 mm 11.07 cm | 4.79 in 121.76 mm 12.18 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 720 x 1280 pixels | 720 x 1280 pixels | 720 x 1280 pixels | 540 x 960 pixels |
| Pixel density | 294 ppi 115 ppcm | 294 ppi 115 ppcm | 294 ppi 115 ppcm | 200 ppi 78 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 67.53 % | 68.58 % | 64.53 % | 70.24 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch |
| - | OGS (One Glass Solution) | OGS (One Glass Solution) Full Lamination Technology | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer | Proximity Light Accelerometer | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass |
Main rear camera
The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | - | Sony IMX219PQ Exmor R | - | - |
| Sensor type | CMOS | CMOS BSI | - | CMOS |
| Sensor size | - | 3.67 x 2.76 mm 0.18 in | - | - |
| Pixel size | - | 1.124 µm 0.001124 mm | - | - |
| Crop factor | - | 9.42 | - | - |
| ISO | - | 100 - 3200 | - | - |
| Aperture | - | f/2 | - | f/2.2 |
| Focal length and 35 mm equivalent | - | - | - | 28 mm *(35 mm / full frame) |
| Flash type | LED | LED | LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 4096 x 3072 pixels 12.58 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 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 Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode Macro mode | Autofocus | Autofocus Geotagging 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.
| Aperture | - | - | - | f/2.4 |
| Image resolution | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP | 1600 x 1200 pixels 1.92 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 640 x 480 pixels 0.31 MP | 1280 x 720 pixels 0.92 MP | - | 640 x 480 pixels 0.31 MP |
| Video FPS | 30 fps | - | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes | Yes |
| - | - | - | RDS |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS GLONASS | 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 | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 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 | 2.1 | 4.0 |
| Features | A2DP | A2DP | A2DP EDR | 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 | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | 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 | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering DLNA |
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 | 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 | AAC AMR eAAC+ MIDI MP3 WMA WAV | AMR AMR-WB MP3 WAV | eAAC+ MP3 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 MP4 Xvid | 3GPP AVI H.263 H.264 MP4 | 3GPP MPEG-4 | H.263 H.264 MPEG-4 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 2000 mAh | 2000 mAh | 2500 mAh | 2500 mAh |
| Type | Li-Ion | Li-Ion | Li-Ion | Li-Ion |
| Features | Non-removable | Non-removable | Removable | Removable |
| Xiaolajiao K1 | ivvi K1 | Newman K1 | Coolpad K1 |



