Comparison between:
- Samsung Galaxy S6 Edge
- Samsung Galaxy S3 mini
- Infinix Smart 2 HD
- Samsung Galaxy J7 (2016)
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Samsung Galaxy S6 Edge | Samsung Galaxy S3 mini | Infinix Smart 2 HD | Samsung Galaxy J7 (2016) | |
 |  |  |  | |
| Model alias | SM-G925A G925A SM-G925F G925F SM-G925K G925K SM-G925P G925P SM-G925X G925X SM-G9250 G9250 | Galaxy S III mini GT-I8190 I8190 GT-I8190T I8190T GT-I8190N I8190N | Smart 2HD | SM-J7108 J7108 SM-J710F J710F |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 70.1 mm 7.01 cm 0.23 ft 2.76 in | 63 mm 6.3 cm 0.207 ft 2.48 in | 76 mm 7.6 cm 0.249 ft 2.992 in | 76 mm 7.6 cm 0.249 ft 2.992 in |
| Height | 142.1 mm 14.21 cm 0.466 ft 5.594 in | 121.6 mm 12.16 cm 0.399 ft 4.787 in | 156 mm 15.6 cm 0.512 ft 6.142 in | 151.7 mm 15.17 cm 0.498 ft 5.972 in |
| Thickness | 7 mm 0.7 cm 0.023 ft 0.276 in | 9.9 mm 0.99 cm 0.032 ft 0.39 in | 8.2 mm 0.82 cm 0.027 ft 0.323 in | 7.8 mm 0.78 cm 0.026 ft 0.307 in |
| Weight | 132 g 0.29 lbs 4.66 oz | 111 g 0.25 lbs 3.93 oz | - | 169 g 0.37 lbs 5.96 oz |
| Volume | 69.73 cm³ 4.23 in³ | 75.84 cm³ 4.61 in³ | 97.22 cm³ 5.9 in³ | 89.93 cm³ 5.46 in³ |
| Colors | White Black Gold Green | - | Gold Black Blue | Rose-gold Gold White |
| Body materials | Glass Aluminium alloy | - | Plastic | Metal 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 | Mini-SIM | Nano-SIM Nano-SIM / microSD | Micro-SIM |
| Number of SIM cards | 1 | 1 | 2 | 2 |
| Features | - | - | - | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) |
| - | - | - | SM-J710F - Single SIM |
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 (SM-G925P; SM-G9250) CDMA 1900 MHz (SM-G925P) | - | - | - |
| W-CDMA | - | - | W-CDMA 900 MHz W-CDMA 2100 MHz | - |
| TD-SCDMA | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | - | - | TD-SCDMA 1880-1920 MHz (SM-J7108) TD-SCDMA 2010-2025 MHz (SM-J7108) |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | - | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | 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 LTE-TDD 1900 MHz (B39) (SM-G9250) LTE-TDD 2300 MHz (B40) (SM-G9250) LTE-TDD 2500 MHz (B41) (SM-G9250) LTE-TDD 2600 MHz (B38) (SM-G9250) | - | - | LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) LTE-TDD 1900 MHz (B39) (SM-J7108) LTE-TDD 2500 MHz (B41) (SM-J7108) LTE-TDD 2600 MHz (B38) (SM-J7108) LTE 850 MHz (SM-J710F) LTE 800 MHz (SM-J710F) |
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 6 EV-DO Rev. A (SM-G925P; SM-G9250) TD-SCDMA (SM-G9250) TD-HSDPA (SM-G9250) | UMTS EDGE GPRS HSPA | UMTS EDGE GPRS HSPA+ | UMTS EDGE GPRS HSPA+ LTE Cat 4 TD-SCDMA TD-HSDPA |
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 5.0.2 Lollipop Android 5.1.1 Lollipop Android 6.0 Marshmallow Android 7.0 Nougat Android 8.0 Oreo | Android 4.1.2 Jelly Bean | Android 8.1 Oreo Go Edition | Android 5.1.1 Lollipop Android 6.0.1 Marshmallow Android 7.0 Nougat Android 8.1 Oreo |
| User interface (UI) | TouchWiz | - | - | - |
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 | Samsung Exynos 7 Octa 7420 | ST-Ericsson NovaThor U8500 | MediaTek MT6580 | Samsung Exynos 7 Octa 7870 |
| Process technology | 14 nm | 45 nm | 28 nm | 14 nm |
| CPU | 4x 2.1 GHz ARM Cortex-A57, 4x 1.5 GHz ARM Cortex-A53 | 2x 1.0 GHz ARM Cortex-A9 | 4x 1.3 GHz ARM Cortex-A7 | 8x 1.6 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 32 bit | 32 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv7-A | ARMv7-A | ARMv8-A |
| Level 1 cache memory (L1) | - | - | 32 KB + 32 KB | - |
| Level 2 cache memory (L2) | - | - | 512 KB 0.5 MB | - |
| CPU cores | 8 | 2 | 4 | 8 |
| CPU frequency | 2100 MHz | 1000 MHz | 1300 MHz | 1600 MHz |
| GPU | ARM Mali-T760 MP8 | ARM Mali-400 MP1 | ARM Mali-400 MP1 | ARM Mali-T830 MP1 |
| GPU cores | 8 | 1 | 1 | 1 |
| GPU frequency | 772 MHz | - | 500 MHz | 700 MHz |
| RAM capacity | 3 GB | 1 GB | 1 GB | 2 GB 3 GB |
| RAM type | LPDDR4 | LPDDR2 | LPDDR2/LPDDR3 | LPDDR3 |
| RAM channels | Double channel | - | Single channel | Single channel |
| RAM frequency | 1552 MHz | - | 533 MHz | 933 MHz |
| - | - | - | SM-J710F - 2 GB RAM |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB 64 GB 128 GB | 8 GB 16 GB | 16 GB | 16 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | - | microSD microSDHC | 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 | IPS | Super AMOLED |
| Diagonal size | 5.1 in 129.54 mm 12.95 cm | 4 in 101.6 mm 10.16 cm | 6 in 152.4 mm 15.24 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.5 in 63.51 mm 6.35 cm | 2.06 in 52.27 mm 5.23 cm | 2.68 in 68.16 mm 6.82 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 4.45 in 112.9 mm 11.29 cm | 3.43 in 87.12 mm 8.71 cm | 5.37 in 136.31 mm 13.63 cm | 4.79 in 121.76 mm 12.18 cm |
| Aspect ratio | 1.778:1 16:9 | 1.667:1 5:3 | 2:1 2:1 (18:9) | 1.778:1 16:9 |
| Resolution | 1440 x 2560 pixels | 480 x 800 pixels | 720 x 1440 pixels | 720 x 1280 pixels |
| Pixel density | 576 ppi 226 ppcm | 233 ppi 91 ppcm | 268 ppi 105 ppcm | 267 ppi 104 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 72.22 % | 59.64 % | 78.61 % | 72.56 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch | Capacitive Multi-touch |
| Corning Gorilla Glass 4 Dual Edge display | - | 450 cd/m² | - |
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 Heart rate | Proximity Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Accelerometer |
| Fingerprint sensor model - Synaptics FS8201 | - | - | - |
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 IMX240 Exmor RS | - | - | - |
| Sensor type | CMOS | - | CMOS | CMOS |
| Sensor size | 5.95 x 3.35 mm 0.27 in | - | - | - |
| Pixel size | 1.12 µm 0.001120 mm | - | 1.12 µm 0.001120 mm | - |
| Crop factor | 6.34 | - | - | - |
| ISO | 50 - 3200 | - | - | 100 - 800 |
| Aperture | f/1.9 | - | - | f/1.9 |
| Shutter speed | 1/7 - 1/36096 | - | - | - |
| Focal length and 35 mm equivalent | 4.35 mm 27.56 mm *(35 mm / full frame) | - | - | 3.7 mm |
| Flash type | LED | LED | Dual LED | Dual LED |
| Image resolution | 5312 x 2988 pixels 15.87 MP | 2592 x 1944 pixels 5.04 MP | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1280 x 720 pixels 0.92 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 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 Digital zoom Geotagging Panorama Touch focus Face detection | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode | 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 |
| Available also with Samsung S5K2P2 (ISOCELL) 1080p @ 60 fps 720p @ 120 fps | - | - | - |
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 | Samsung S5K4E6 | - | - | - |
| Sensor type | ISOCELL | - | - | - |
| Sensor size | 3.2 x 2.4 mm 0.16 in | - | - | - |
| Pixel size | 1.235 µm 0.001235 mm | - | - | - |
| Crop factor | 10.82 | - | - | - |
| ISO | 50 - 1250 | - | - | - |
| Aperture | f/1.9 | - | - | f/1.9 |
| Shutter speed | 1/7 - 1/9728 | - | - | - |
| Focal length and 35 mm equivalent | 2.03 mm 21.96 mm *(35 mm / full frame) | - | - | 2 mm |
| Image resolution | 2592 x 1944 pixels 5.04 MP | - | 3264 x 2448 pixels 7.99 MP | 2576 x 1932 pixels 4.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 640 x 480 pixels 0.31 MP | 640 x 480 pixels 0.31 MP | - |
| Video FPS | 30 fps | - | 30 fps | - |
| Features | - | - | Face unlock | - |
| - | 0.3 MP | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Wolfson WM1840 Maxim MAX98505 | - | - | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | Yes | Yes | Yes |
| - | - | - | RDS |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS | GPS A-GPS | 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 | 802.11a 802.11b 802.11g 802.11n 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 Wi-Fi Direct |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.1 | 4.0 | 4.0 | 4.1 |
| Features | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP | A2DP EDR LE | A2DP | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP |
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 Host Mass storage | Charging Host 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 | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering DLNA NFC ANT+ | Computer sync OTA sync Tethering DLNA NFC | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering NFC ANT+ |
| - | NFC - optional | - | - |
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 | 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 AAC+ AMR eAAC+ FLAC MP3 OGG WMA WAV | AAC AMR eAAC+ MIDI MP3 WMA WAV | AAC AMR AMR-WB 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 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VP9 WebM WMV | DivX H.263 H.264 MPEG-4 WMV Xvid | 3GPP AVI MP4 Xvid | 3GPP 3GPP2 AVI Flash Video 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 | 2600 mAh | 1500 mAh | 3500 mAh | 3300 mAh |
| Type | Li-Ion | Li-Ion | Li-Polymer | Li-Ion |
| 2G talk time | - | 14 h 10 min 14.2 h 850.2 min 0.6 days | 32 h 1920 min 1.3 days | 23 h 1380 min 1 days |
| 2G stand-by time | - | 460 h 27600 min 19.2 days | 840 h 50400 min 35 days | 354 h 21240 min 14.8 days |
| 3G talk time | 26 h 1560 min 1.1 days | 7 h 50 min 7.8 h 469.8 min 0.3 days | 32 h 1920 min 1.3 days | 23 h 1380 min 1 days |
| 3G stand-by time | 302 h 18120 min 12.6 days | 360 h 21600 min 15 days | 840 h 50400 min 35 days | 354 h 21240 min 14.8 days |
| 4G stand-by time | 273 h 16380 min 11.4 days | - | - | - |
| Charger output power | - | - | 5 V / 1.2 A | 5 V / 1.55 A |
| Features | Wireless charging Fast charging Non-removable | Removable | Non-removable | 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) | 0.334 W/kg | - | - | 0.465 W/kg |
| Body SAR (EU) | 0.594 W/kg | - | - | 0.473 W/kg |
| Head SAR (USA) | 1.58 W/kg | 0.96 W/kg | - | 0.97 W/kg |
| Body SAR (USA) | 1.34 W/kg | 1.59 W/kg | - | 1.23 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | SM-G925A - SAR (Specific Absorption Rate) EU: head - 0.328 W/kg; body - 0.293 W/kg SM-G925A - SAR (Specific Absorption Rate) US: head - 1.09 W/kg; body - 1.25 W/kg SM-G925K - SAR (Specific Absorption Rate) US: head - 0.95 W/kg; body - 1.14 W/kg SM-G925P - SAR (Specific Absorption Rate) US: head - 0.88 W/kg; body - 1.17 W/kg SM-G925X - SAR (Specific Absorption Rate) US: head - 1.48 W/kg; body - 0.32 W/kg SM-G9250 - SAR (Specific Absorption Rate) EU: head - 0.301 W/kg; body - 0.577 W/kg SM-G9250 - SAR (Specific Absorption Rate) US: head - 0.68 W/kg; body - 1.02 W/kg | SM-GT-I8190 - SAR (Specific Absorption Rate) EU: head - 0.624 W/kg; body - 0.758 W/kg SM-GT-I8190 - SAR (Specific Absorption Rate) US: head - 1.030 W/kg; body - 1.280 W/kg SM-GT-I8190N - SAR (Specific Absorption Rate) EU: head - 0.434 W/kg; body - 0.521 W/kg SM-GT-I8190N - SAR (Specific Absorption Rate) US: head - 0.530 W/kg; body - 1.300 W/kg SM-GT-I8190T - SAR (Specific Absorption Rate) EU: head - 0.390 W/kg; body - 0.521 W/kg | - | SM-J710F - SAR (Specific Absorption Rate) EU: head - 0.349 W/kg; body - 1.390 W/kg SM-J710F - SAR (Specific Absorption Rate) US: head - 1.100 W/kg; body - 1.010 W/kg |
| Samsung Galaxy S6 Edge | Samsung Galaxy S3 mini | Infinix Smart 2 HD | Samsung Galaxy J7 (2016) |