Comparison between:
- Samsung Galaxy A21
- Samsung Galaxy A17 4G
- Samsung Galaxy A5 (2016)
- Samsung Galaxy XCover 5
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Samsung Galaxy A21 | Samsung Galaxy A17 4G | Samsung Galaxy A5 (2016) | Samsung Galaxy XCover 5 | |
 |  |  |  | |
| Model alias | SM-A215U SM-A215U1 SM-S215DL SM-A215W | SM-A175F SM-A175F/DSB | SM-A510M/DS A510M/DS SM-A510F A510F SM-A510Y/DS A510Y/DS | SM-G525F SM-G525F/DS SM-G525N |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.3 mm 7.53 cm 0.247 ft 2.965 in | 77.9 mm 7.79 cm 0.256 ft 3.067 in | 71 mm 7.1 cm 0.233 ft 2.795 in | 71.6 mm 7.16 cm 0.235 ft 2.819 in |
| Height | 163.7 mm 16.37 cm 0.537 ft 6.445 in | 164.4 mm 16.44 cm 0.539 ft 6.472 in | 144.8 mm 14.48 cm 0.475 ft 5.701 in | 147.1 mm 14.71 cm 0.483 ft 5.791 in |
| Thickness | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 7.5 mm 0.75 cm 0.025 ft 0.295 in | 7.3 mm 0.73 cm 0.024 ft 0.287 in | 9.2 mm 0.92 cm 0.03 ft 0.362 in |
| Weight | 192 g 0.42 lbs 6.77 oz | 190 g 0.42 lbs 6.7 oz | 155 g 0.34 lbs 5.47 oz | - |
| Volume | 109.71 cm³ 6.66 in³ | 96.05 cm³ 5.83 in³ | 75.05 cm³ 4.56 in³ | 96.9 cm³ 5.88 in³ |
| Colors | Black | Black Blue Gray | Gold Black White Rose-gold | Black |
| Body materials | Plastic | Plastic | Aluminium alloy Glass | Polycarbonate Aluminium alloy TPU |
| Certification | - | IP54 | - | IP68 MIL-STD-810G |
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 Nano-SIM / microSD | Nano-SIM | Nano-SIM |
| Number of SIM cards | 1 | 2 | 1 | 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) | 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 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 (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) | 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) |
| W-CDMA | - | - | - | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) 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) | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 2100 MHz (B1) | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | - |
| LTE | 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) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-FDD 700 MHz (B28) 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) 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-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) 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 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) |
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 HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE | UMTS EDGE GPRS HSPA+ LTE Cat 6 | UMTS EDGE GPRS HSPA+ LTE |
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 15 | Android 5.1.1 Lollipop Android 6.0 Marshmallow Android 7.0 Nougat | Android 11 |
| User interface (UI) | One UI 2.0 | One UI 7.0 | TouchWiz | One UI 3.0 |
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 | MediaTek Helio P35 (MT6765) | MediaTek Helio G99 (MT6789) | Samsung Exynos 7 Octa 7580 | Samsung Exynos 850 (S5E3830) |
| Process technology | 12 nm | 6 nm | 28 nm | 8 nm |
| CPU | 4x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53 | 2x 2.2 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A55 | 8x 1.6 GHz ARM Cortex-A53 | 8x 2.0 GHz ARM Cortex-A55 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.2-A | ARMv8-A | ARMv8.2-A |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 2300 MHz | 2200 MHz | 1600 MHz | 2000 MHz |
| GPU | IMG PowerVR GE8320 | ARM Mali-G57 MC2 | ARM Mali-T720 MP2 | ARM Mali-G52 MP1 |
| GPU cores | - | 2 | 2 | 1 |
| GPU frequency | 680 MHz | 1000 MHz | 600 MHz | - |
| RAM capacity | 3 GB | 4 GB 6 GB 8 GB | 2 GB | 4 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR3 | LPDDR4X |
| RAM channels | Double channel | Double channel | Double channel | Double channel |
| RAM frequency | 1600 MHz | 2133 MHz | 933 MHz | 1866 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 128 GB 256 GB | 16 GB | 64 GB |
| 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 | 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 | Super AMOLED | Super AMOLED | Super AMOLED | TFT |
| Diagonal size | 6.5 in 165.1 mm 16.51 cm | 6.7 in 170.18 mm 17.02 cm | 5.2 in 132.08 mm 13.21 cm | 5.3 in 134.62 mm 13.46 cm |
| Width | 2.67 in 67.75 mm 6.78 cm | 2.81 in 71.32 mm 7.13 cm | 2.55 in 64.75 mm 6.48 cm | 2.32 in 58.89 mm 5.89 cm |
| Height | 5.93 in 150.56 mm 15.06 cm | 6.08 in 154.52 mm 15.45 cm | 4.53 in 115.12 mm 11.51 cm | 4.77 in 121.06 mm 12.11 cm |
| Aspect ratio | 2.222:1 | 2.167:1 | 1.778:1 16:9 | 2.056:1 |
| Resolution | 720 x 1600 pixels | 1080 x 2340 pixels | 1080 x 1920 pixels | 720 x 1480 pixels |
| Pixel density | 270 ppi 106 ppcm | 385 ppi 151 ppcm | 424 ppi 166 ppcm | 311 ppi 122 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 83.02 % | 86.32 % | 72.74 % | 67.91 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Infinity-O Display | 2.5D curved glass screen Corning Gorilla Glass Victus 90 Hz refresh rate | Corning Gorilla Glass 4 2.5D curved glass screen OGS (One Glass Solution) Oleophobic (lipophobic) coating | Wet finger and glove-on working technology |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall | Light Accelerometer Gyroscope Geomagnetic Fingerprint Virtual Proximity | Proximity Light Accelerometer Compass Fingerprint Hall | Proximity Light Accelerometer Gyroscope Geomagnetic |
| - | In-display fingerprint sensor | Fingerprint sensor model - Egis ET320 | - |
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 type | CMOS | CMOS | CMOS | CMOS |
| Aperture | - | - | f/1.9 | - |
| Focal length and 35 mm equivalent | - | - | 3.7 mm | - |
| Flash type | LED | Dual LED | LED | Dual LED |
| Image resolution | 4608 x 3456 pixels 15.93 MP | 8120 x 6180 pixels 50.18 MP | 4128 x 3096 pixels 12.78 MP | 4608 x 3456 pixels 15.93 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 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 Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode | 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) |
Ultra-wide camera
Specifications of the ultra-wide camera of the device. This type of camera captures a wider field of view compared to the main camera.
| Aperture | f/2.2 | f/2.2 | - | - |
| Image resolution | 8 MP | 5 MP | - | - |
Macro camera
Specifications of the macro camera of the device. This type of camera in smartphones is used to snap close-up photos of tiny objects.
| Sensor format | - | 1/5" | - | - |
| Aperture | - | f/2.4 | - | - |
| Image resolution | 2 MP | 2 MP | - | - |
Depth-sensing camera
Specifications of the depth sensor of the device. Depth sensors measure the distance between the subject and the camera, enabling features such as bokeh in portraits.
| Aperture | - | f/2.4 | - | - |
| Image resolution | 2 MP | 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 type | - | CMOS | - | - |
| Aperture | f/2 | f/2 | f/1.9 | f/2 |
| Focal length and 35 mm equivalent | 2.61 mm 25 mm *(35 mm / full frame) | - | - | - |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP | 2576 x 1932 pixels 4.98 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 2560 x 1920 pixels 4.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Face unlock | Face unlock Face detection | - | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS Galileo |
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 | 802.11a 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 Wi-Fi Hotspot Wi-Fi Direct | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Direct |
| - | VHT80 | - | - |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.3 | 4.1 | 4.2 |
| Features | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP HOGP | A2DP AVRCP HFP HID HSP MAP OPP PAN PBAP SAP DI HOGP | A2DP EDR LE | A2DP 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 | Micro USB | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage | 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 | No | 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 | Computer sync OTA sync Tethering NFC ANT+ | Computer sync OTA sync Tethering NFC 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 | 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 AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AMR FLAC M4A MIDI MP3 OGG WAV 3GA OGA AWB MID XMF MXMF IMY RTTTL RTX OTA | AAC AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV XMF |
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 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VC-1 VP8 VP9 WebM WMV WMV7 WMV8 Xvid | AVI MKV MP4 M4V 3GP 3G2 FLV WEBM | 3GPP 3GPP2 AVI DivX Flash Video MKV QuickTime MP4 WebM WMV Xvid | 3GPP 3GPP2 AVI DivX Flash Video H.263 H.264 MKV MP4 WebM WMV Xvid ASF |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 4000 mAh | 5000 mAh | 2900 mAh | 3000 mAh |
| Type | Li-Polymer | Li-Ion | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 2 A 9 V / 1.67 A | 5 V / 5 A | 5 V / 2 A 9 V / 1.67 A | 5 V / 3 A |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Fast charging 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) | 0.23 W/kg | 0.366 W/kg | 0.286 W/kg | 0.699 W/kg |
| Body SAR (EU) | 1.38 W/kg | 1.179 W/kg | 0.475 W/kg | 1.272 W/kg |
| Head SAR (USA) | 0.6 W/kg | - | 0.29 W/kg | - |
| Body SAR (USA) | 1.27 W/kg | - | 0.47 W/kg | - |
| Simultaneous Body SAR (USA) | 1.27 W/kg | - | - | - |
| Wi-Fi Hotspot SAR | 1.27 W/kg | - | - | - |
| Simultaneous Wi-Fi SAR | 1.27 W/kg | - | - | - |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | - | Samsung Knox Push-to-Talk button |
| Samsung Galaxy A21 | Samsung Galaxy A17 4G | Samsung Galaxy A5 (2016) | Samsung Galaxy XCover 5 |
