Comparison between:
- Google Pixel XL
- Gretel A9
- HomTom C2
- HomTom H10
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Google Pixel XL | Gretel A9 | HomTom C2 | HomTom H10 | |
 Prices |  |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.74 mm 7.574 cm 0.248 ft 2.982 in | 72.8 mm 7.28 cm 0.239 ft 2.866 in | 70.2 mm 7.02 cm 0.23 ft 2.764 in | 74 mm 7.4 cm 0.243 ft 2.913 in |
| Height | 154.72 mm 15.472 cm 0.508 ft 6.091 in | 146.6 mm 14.66 cm 0.481 ft 5.772 in | 145.4 mm 14.54 cm 0.477 ft 5.724 in | 152.6 mm 15.26 cm 0.501 ft 6.008 in |
| Thickness | 8.6 mm 0.86 cm 0.028 ft 0.339 in | 8.7 mm 0.87 cm 0.029 ft 0.343 in | 9.3 mm 0.93 cm 0.031 ft 0.366 in | 7.8 mm 0.78 cm 0.026 ft 0.307 in |
| Weight | 168 g 0.37 lbs 5.93 oz | 164 g 0.36 lbs 5.78 oz | 177 g 0.39 lbs 6.25 oz | 170 g 0.37 lbs 6 oz |
| Volume | 100.78 cm³ 6.12 in³ | 92.85 cm³ 5.64 in³ | 94.93 cm³ 5.76 in³ | 88.08 cm³ 5.35 in³ |
| Colors | Black Silver Blue | Black Rose-gold | Black Gold Blue | Black Gold Blue |
| Body materials | Glass Aluminium alloy | - | Plastic Metal | Plastic |
| Certification | IP53 | - | - | - |
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 | Micro-SIM Micro-SIM / microSD | Nano-SIM |
| Number of SIM cards | 1 | 2 | 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 | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | CDMA 800 MHz CDMA 1900 MHz | - | - | - |
| W-CDMA | - | W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 900 MHz W-CDMA 1900 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 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | - | - | - |
| LTE | LTE 700 MHz Class 13 LTE 700 MHz Class 17 LTE 800 MHz LTE 900 MHz LTE 1700/2100 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 2300 MHz (B30) LTE 1900 MHz (B25) LTE 850 MHz (B26) LTE 700 MHz (B12) LTE 700 MHz (B28) LTE 700 MHz (B29) | LTE 800 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) | LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 800 MHz LTE 850 MHz LTE 900 MHz 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 9 EV-DO Rev. A TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 6 |
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 7.1 Nougat Android 8.0 Oreo Android 9.0 Pie | Freeme OS (Android 6.0.1 Marshmallow) Android 7.0 Nougat | Android 8.1 Oreo | Android 8.1 Nougat |
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 821 MSM8996 Pro | MediaTek MT6737 | MediaTek MT6739V/CW | MediaTek MT6750T |
| Process technology | 14 nm | 28 nm | 28 nm | 28 nm |
| CPU | 2x 2.15 GHz Kryo, 2x 1.6 GHz Kryo | ARM Cortex-A53 | ARM Cortex-A53 | 4x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB | - | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 1536 KB 1.5 MB | 512 KB 0.5 MB | - | 512 KB 0.5 MB |
| CPU cores | 4 | 4 | 4 | 8 |
| CPU frequency | 2150 MHz | 1250 MHz | 1500 MHz | 1500 MHz |
| GPU | Qualcomm Adreno 530 | ARM Mali-T720 MP1 | PowerVR GE8100 | ARM Mali-T860 MP2 |
| GPU cores | - | 1 | - | 2 |
| GPU frequency | 624 MHz | 600 MHz | 450 MHz | 650 MHz |
| RAM capacity | 4 GB | 2 GB | 2 GB | 4 GB |
| RAM type | LPDDR4 | LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Double channel | Single channel | Single channel | Single channel |
| RAM frequency | 1866 MHz | 640 MHz | 667 MHz | 833 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB 128 GB | 16 GB | 16 GB | 64 GB |
| - | eMMC | - | eMMC |
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 | AMOLED | IPS | IPS | IPS |
| Diagonal size | 5.5 in 139.7 mm 13.97 cm | 5 in 127 mm 12.7 cm | 5.5 in 139.7 mm 13.97 cm | 5.85 in 148.59 mm 14.86 cm |
| Width | 2.7 in 68.49 mm 6.85 cm | 2.45 in 62.26 mm 6.23 cm | 2.46 in 62.48 mm 6.25 cm | 2.52 in 63.88 mm 6.39 cm |
| Height | 4.79 in 121.76 mm 12.18 cm | 4.36 in 110.69 mm 11.07 cm | 4.92 in 124.95 mm 12.5 cm | 5.28 in 134.16 mm 13.42 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 2:1 2:1 (18:9) | 2.1:1 |
| Resolution | 1440 x 2560 pixels | 720 x 1280 pixels | 720 x 1440 pixels | 720 x 1512 pixels |
| Pixel density | 534 ppi 209 ppcm | 294 ppi 115 ppcm | 293 ppi 115 ppcm | 286 ppi 112 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 71.39 % | 64.79 % | 76.73 % | 76.14 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch | Capacitive Multi-touch |
| Corning Gorilla Glass 4 2.5D curved glass screen VR ready 100% NTSC | - | 2.5D curved glass screen GFF full lamination | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall | Proximity Light Accelerometer Fingerprint | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Geomagnetic Fingerprint |
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 IMX378 Exmor RS | Samsung S5K3H7 | Samsung | Samsung |
| Sensor type | CMOS | CMOS BSI | ISOCELL | ISOCELL |
| Sensor size | 6.25 x 4.65 mm 0.31 in | 4.54 x 3.42 mm 0.22 in | - | - |
| Pixel size | 1.544 µm 0.001544 mm | 1.39 µm 0.001390 mm | - | - |
| Crop factor | 5.55 | 7.62 | - | - |
| Aperture | f/2 | f/1.8 | - | - |
| Focal length and 35 mm equivalent | 4.67 mm 25.94 mm *(35 mm / full frame) | 3.5 mm 26.67 mm *(35 mm / full frame) | - | - |
| Flash type | Dual LED | LED | LED | Dual LED |
| Image resolution | 4048 x 3036 pixels 12.29 MP | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 MP | 4608 x 3456 pixels 15.93 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 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) Laser autofocus (LAF) | 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 Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| 1080p @ 120 fps 720p @ 240 fps | Interpolated resolution - 13 MP | Secondary rear camera - 2 MP | Secondary rear camera - 2 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 | Sony IMX179 Exmor R | GalaxyCore GC2155 | OmniVision | OmniVision |
| Sensor type | CMOS | - | CMOS BSI | CMOS |
| Sensor size | 4.54 x 3.42 mm 0.22 in | 2.8 x 2.1 mm 0.14 in | - | - |
| Pixel size | 1.391 µm 0.001391 mm | 1.75 µm 0.001750 mm | - | - |
| Crop factor | 7.61 | 12.36 | - | - |
| Aperture | f/2.4 | f/2.8 | - | - |
| Focal length and 35 mm equivalent | 3.38 mm 25.73 mm *(35 mm / full frame) | 3.5 mm 43.27 mm *(35 mm / full frame) | - | - |
| Auxiliary light | - | LED | LED | - |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 1600 x 1200 pixels 1.92 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 640 x 480 pixels 0.31 MP | 640 x 480 pixels 0.31 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | - | - | - | Face unlock |
| - | Interpolated resolution - 5 MP | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| - | - | - | Headphone adapter |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | 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 | GPS A-GPS GLONASS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Direct |
| 2x2 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 | 4.0 |
| Features | A2DP LE | A2DP | 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 | Micro USB | Micro USB | USB Type-C |
| Version | 3.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage On-The-Go | Charging Mass storage | 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 | Yes | Yes | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering DLNA NFC | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | 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 | 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 AMR-WB aptX eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC 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 DivX Flash Video H.263 H.264 H.265 MKV QuickTime MP4 VC-1 VP8 WebM WMV Xvid | 3GPP AVI DivX Flash Video H.263 H.264 MKV QuickTime MP4 WebM WMV Xvid | 3GPP AVI 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 | 3450 mAh | 2300 mAh | 3000 mAh | 3500 mAh |
| Type | Li-Ion | Li-Ion | Li-Ion | Li-Polymer |
| 2G talk time | 32 h 1920 min 1.3 days | - | - | 25 h 1500 min 1 days |
| 2G stand-by time | 552 h 33120 min 23 days | - | - | 459 h 27540 min 19.1 days |
| 3G talk time | 32 h 1920 min 1.3 days | - | - | 25 h 1500 min 1 days |
| 3G stand-by time | 552 h 33120 min 23 days | - | - | 459 h 27540 min 19.1 days |
| Charger output power | 9 V / 2 A | 5 V / 1 A | - | 5 V / 2 A |
| Features | Fast charging Non-removable | 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 (USA) | 0.92 W/kg | - | - | - |
| Body SAR (USA) | 0.58 W/kg | - | - | - |
| Google Pixel XL | Gretel A9 | HomTom C2 | HomTom H10 |