Comparison between:
- Motorola Moto G9 Plus
- Samsung Galaxy A31
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Motorola Moto G9 Plus | Samsung Galaxy A31 | |
 Prices |  Prices | |
| Model alias | - | SM-A315F |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 78.1 mm 7.81 cm 0.256 ft 3.075 in | 73.1 mm 7.31 cm 0.24 ft 2.878 in |
| Height | 169.98 mm 16.998 cm 0.558 ft 6.692 in | 159.3 mm 15.93 cm 0.523 ft 6.272 in |
| Thickness | 9.69 mm 0.969 cm 0.032 ft 0.381 in | 8.6 mm 0.86 cm 0.028 ft 0.339 in |
| Weight | 223 g 0.49 lbs 7.88 oz | 185 g 0.41 lbs 6.53 oz |
| Volume | 128.64 cm³ 7.81 in³ | 100.15 cm³ 6.08 in³ |
| Colors | Blush Gold Navy Blue | Prism Crush Black Prism Crush Blue Prism Crush Red Prism Crush White |
| Body materials | 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 | Nano-SIM |
| Number of SIM cards | 1 | 2 |
| 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) | 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 (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 (B5) W-CDMA 900 MHz (B8) W-CDMA 900 MHz (B19) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - |
| UMTS | - | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) |
| LTE | LTE-FDD 700 MHz (B28) LTE-FDD 700 MHz (B29) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 850 MHz (B18) LTE-FDD 850 MHz (B19) LTE-FDD 850 MHz (B26) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE-FDD B30 LTE-FDD B71 | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1900 MHz (B25) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) |
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+ EV-DO Rev. A LTE Cat 13 DL/Cat 5 UL | UMTS EDGE GPRS HSPA+ LTE Cat 10 |
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 10 | Android 10 |
| User interface (UI) | My UX | One UI 2.0 |
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 730G | MediaTek Helio G70 |
| Process technology | 8 nm | 12 nm |
| CPU | 2x 2.2 GHz Kryo 470, 6x 1.8 GHz Kryo 470 | 2x 2.0 GHz Cortex-A75, 6x 1.7 GHz Cortex-A55 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8 | ARMv8-A |
| CPU cores | 8 | 8 |
| CPU frequency | 2200 MHz | 2000 MHz |
| GPU | Qualcomm Adreno 618 | ARM Mali-G52 2EEMC2 |
| GPU frequency | - | 820 MHz |
| RAM capacity | 4 GB | 4 GB 6 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 1866 MHz | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB | 64 GB 128 GB |
| UFS 2.1 | eMMC 5.1 |
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 | Super AMOLED |
| Diagonal size | 6.8 in 172.72 mm 17.27 cm | 6.4 in 162.56 mm 16.26 cm |
| Width | 2.85 in 72.38 mm 7.24 cm | 2.63 in 66.71 mm 6.67 cm |
| Height | 6.17 in 156.82 mm 15.68 cm | 5.84 in 148.24 mm 14.82 cm |
| Aspect ratio | 2.167:1 | 2.222:1 |
| Resolution | 1080 x 2340 pixels | 1080 x 2400 pixels |
| Pixel density | 379 ppi 148 ppcm | 411 ppi 161 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 85.78 % | 85.2 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Max Vision Display HDR10 | Infinity-U Display 2.5D curved glass screen |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall |
| LTPS (Low Temperature PolySilicon) | In-display fingerprint sensor |
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 | - |
| Pixel size | 0.8 µm 0.000800 mm | 0.8 µm 0.000800 mm |
| Aperture | f/1.8 | f/2 |
| Flash type | LED | LED |
| Image resolution | 9280 x 6920 pixels 64.22 MP | 8000 x 6000 pixels 48 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 60 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) RAW Night Vision | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| Secondary rear camera - 2 MP (macro) Aperture size - f/2.4 (#2) Pixel size - 1.75 µm (#2) Third rear camera - 2 MP (depth-sensing) Aperture size - f/2.4 (#2) Pixel size - 1.75 µm (#2) Fourth rear camera - (ultra-wide-angle) Angle of view - 118° (#4) | Secondary rear camera - 8 MP (ultra-wide) Aperture size - f/2.2 (#2) Third rear camera - 5 MP (depth-sensing) Aperture size - f/2.4 (#3) Fourth rear camera - 5 MP (macro) Aperture size - f/2.4 (#4) |
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 | 1 µm 0.001000 mm | - |
| Aperture | f/2 | f/2.2 |
| Image resolution | 4640 x 3456 pixels 16.04 MP | 20 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Face unlock HDR Self-timer | Face unlock HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Smart PA Dual microphone noise cancellation | - |
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 BeiDou Galileo LTEPP SUPL | GPS A-GPS GLONASS BeiDou |
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 802.11ac Dual band 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 | 5.0 | 5.0 |
| Features | A2DP EDR LE | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP HOGP |
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 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 | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC VoLTE | Computer sync OTA sync Tethering NFC VoLTE |
| - | Availability of Samsung Pay Service (NFC or MST) may vary by country |
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 aptX eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR AMR-WB eAAC+ FLAC M4A 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 MKV QuickTime MP4 WebM WMV Xvid | 3GPP 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VC-1 VP8 VP9 WebM WMV WMV7 WMV8 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 | 5000 mAh | 5000 mAh |
| Type | Li-Ion | Li-Ion |
| Charger output power | 5 V / 6 A | 5 V / 2 A 9 V / 1.67 A |
| Quick charge technology | TurboPower 30 | - |
| Features | Fast charging 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 (EU) | - | 0.488 W/kg |
| Body SAR (EU) | - | 1.68 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 design | - |
| Motorola Moto G9 Plus | Samsung Galaxy A31 |