Comparison between:
- Xiaomi Mi 9
- Motorola Moto X4
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
Xiaomi Mi 9 | Motorola Moto X4 | |
![]() Prices | ![]() Prices | |
Model alias | Mi9 M1902F1G | Moto X (4th gen.) |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
Width | 74.67 mm 7.467 cm 0.245 ft 2.94 in | 73.4 mm 7.34 cm 0.241 ft 2.89 in |
Height | 157.5 mm 15.75 cm 0.517 ft 6.201 in | 148.35 mm 14.835 cm 0.487 ft 5.841 in |
Thickness | 7.61 mm 0.761 cm 0.025 ft 0.3 in | 9.45 mm 0.945 cm 0.031 ft 0.372 in |
Weight | 173 g 0.38 lbs 6.1 oz | 163 g 0.36 lbs 5.75 oz |
Volume | 89.5 cm³ 5.44 in³ | 102.9 cm³ 6.25 in³ |
Colors | Black Blue Violet | Gray Blue Gold |
Body materials | Aluminium alloy Glass | Metal |
Certification | - | IP68 |
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 | Nano-SIM |
Number of SIM cards | 2 | 1 |
Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM optional (A variant of the model with two SIM card slots is available) |
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 |
CDMA | CDMA 800 MHz | CDMA 800 MHz CDMA 1900 MHz |
W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1700 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | - |
TD-SCDMA | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | - |
UMTS | - | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz |
LTE | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE 700 MHz (B12) LTE 700 MHz (B28) | LTE 700 MHz Class 13 LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 1700/2100 MHz (B66) LTE 700 MHz (B28) LTE 850 MHz (B26) LTE 1900 MHz (B25) 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 18 EV-DO Rev. A TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 12 EV-DO Rev. A |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
Operating system (OS) | MIUI V10.2 (Android 9.0 Pie) | Android 7.1.1 Nougat Android 8.0 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 | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 630 |
Process technology | 7 nm | 14 nm |
CPU | 1x 2.84 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 485 | 4x 2.2 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53 |
CPU bits | 64 bit | 64 bit |
Instruction set | ARMv8-A | ARMv8 |
CPU cores | 8 | 8 |
CPU frequency | 2840 MHz | 2200 MHz |
GPU | Qualcomm Adreno 640 | Qualcomm Adreno 508 |
RAM capacity | 6 GB 8 GB | 3 GB 4 GB 6 GB |
RAM type | LPDDR4X | LPDDR4 |
RAM channels | Double channel | Double channel |
RAM frequency | 2133 MHz | 1333 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
Storage | 64 GB 128 GB | 32 GB 64 GB |
UFS 2.1 | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
Types | - | 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 | Super AMOLED | IPS |
Diagonal size | 6.39 in 162.31 mm 16.23 cm | 5.2 in 132.08 mm 13.21 cm |
Width | 2.68 in 68.02 mm 6.8 cm | 2.55 in 64.75 mm 6.48 cm |
Height | 5.8 in 147.37 mm 14.74 cm | 4.53 in 115.12 mm 11.51 cm |
Aspect ratio | 2.167:1 | 1.778:1 16:9 |
Resolution | 1080 x 2340 pixels | 1080 x 1920 pixels |
Pixel density | 403 ppi 158 ppcm | 424 ppi 166 ppcm |
Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
Display area | 85.5 % | 68.68 % |
Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
Display manufacturer - Samsung Corning Gorilla Glass 6 2.5D curved glass screen Always-On Display 60000:1 contrast ratio 430 cd/m² Peak brightness - 600 cd/m² 103.8% NTSC DC dimming HDR10 | Corning Gorilla Glass 3 LTPS (Low Temperature PolySilicon) |
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 Compass Gyroscope Fingerprint |
In-display fingerprint sensor Step detector Step counter | Fingerprint sensor model - Fingerprint Cards FPC1035 |
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 IMX586 Exmor RS | - |
Sensor type | CMOS BSI | CMOS |
Sensor format | 1/2" | - |
Pixel size | 0.8 µm 0.000800 mm | 1.4 µm 0.001400 mm |
ISO | 100 - 3200 | - |
Aperture | f/1.75 | f/2 |
Focal length and 35 mm equivalent | 4.75 mm 27 mm *(35 mm / full frame) | 4 mm |
Number of lenses | 6 | - |
Flash type | Dual LED | Dual LED |
Image resolution | 8000 x 6000 pixels 48 MP | 4032 x 3024 pixels 12.19 MP |
Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP |
Video FPS | 60 fps | 30 fps |
Features | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode RAW Phase detection autofocus (PDAF) Laser autofocus (LAF) Contrast detection autofocus (CDAF) | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
Pixel size - 1.6 μm (4-in-1 pixel binning) Sapphire crystal glass lens cover 1080p @ 960 fps 720p @ 960 fps Secondary rear camera - 12 MP (telephoto) Sensor model - Samsung S5K3M5 (#2) Sensor type - ISOCELL (#2) Sensor size - 1/3.4" (#2) Pixel size - 1.0 μm (#2) Aperture size - f/2.2 (#2) 6-element lens (#2) Focal length (35 mm equivalent) - 51 mm (#2) Third rear camera - 16 MP (ultra-wide angle) Sensor model - Sony IMX481 Exmor RS (#3) Sensor size - 1/3" (#3) Pixel size - 1.0 μm (#3) Aperture size - f/2.2 (#3) 6-element lens (#3) Focal length (35 mm equivalent) - 17 mm (#3) Angle of view - 117° (#3) | Color Correlated Temperature (CCT) dual flash 1080p @ 60 fps Secondary rear camera - 8 MP (ultra-wide angle) Pixel size - 1.12 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 120° (#2) |
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 BSI |
Pixel size | 0.9 µm 0.000900 mm | 1 µm 0.001000 mm |
Aperture | f/2 | f/2 |
Focal length and 35 mm equivalent | 3.52 mm 18 mm *(35 mm / full frame) | 3.52 mm |
Auxiliary light | - | LED |
Image resolution | 5184 x 3880 pixels 20.11 MP | 4608 x 3456 pixels 15.93 MP |
Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
Video FPS | 30 fps | 30 fps |
Audio
Information about the type of speakers and the audio technologies supported by the device.
Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
Headphone adapter | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
Radio | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
Tracking/Positioning | A-GPS GPS (L1+L5) GLONASS (L1) BeiDou (B1) Galileo (E1+E5a) | 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 Wi-Fi Display | 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 | 5.0 | 5.0 |
Features | A2DP LE | A2DP EDR LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
Connector type | USB Type-C | USB Type-C |
Version | 2.0 | 2.0 |
Features | Charging Host Mass storage On-The-Go | 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 | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
Connectivity | Computer sync OTA sync Infrared Tethering DLNA NFC VoLTE | Computer sync OTA sync Tethering NFC |
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 AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | 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 H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI MP4 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 | 3300 mAh | 3000 mAh |
Type | Li-Polymer | Li-Ion |
Charger output power | 5 V / 3 A 9 V / 3 A 12 V / 2.25 A 20 V / 1.35 A | 5 V / 3 A 9 V / 1.6 A 12 V / 1.2 A |
Quick charge technology | Qualcomm Quick Charge 4+ | - |
Features | Wireless charging Fast charging Non-removable | Fast charging Non-removable |
Wireless charging - 20 W | - |
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 (EU) | 1.389 W/kg | 0.815 W/kg |
Body SAR (EU) | 1.301 W/kg | 1.54 W/kg |
Head SAR (USA) | 0.99 W/kg | 1.12 W/kg |
Body SAR (USA) | 1.04 W/kg | 1.16 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
Additional features | - | Water repellent Nano-coating |
Xiaomi Mi 9 | Motorola Moto X4 |