Comparison between:
- Samsung Galaxy S7 SD820
- LG K8+ (2018)
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Samsung Galaxy S7 SD820 | LG K8+ (2018) | |
 |  | |
| Model alias | SM-G9300 G9300 SM-G9308 G9308 SM-G930A G-930A SM-G930P G930P SM-G930R4 G930R4 SM-G930V G930V | K8 Plus (2018) LM-X210UKM X210ULM |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 69.6 mm 6.96 cm 0.228 ft 2.74 in | 71.9 mm 7.19 cm 0.236 ft 2.831 in |
| Height | 142.4 mm 14.24 cm 0.467 ft 5.606 in | 144.8 mm 14.48 cm 0.475 ft 5.701 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 8.1 mm 0.81 cm 0.027 ft 0.319 in |
| Weight | 152 g 0.34 lbs 5.36 oz | 140 g 0.31 lbs 4.94 oz |
| Volume | 78.3 cm³ 4.75 in³ | 84.33 cm³ 5.12 in³ |
| Colors | Black Gold | Gray |
| Body materials | Aluminium alloy Glass | Plastic |
| 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 | 1 | 1 |
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 | - |
| CDMA | CDMA 800 MHz (SM-G930R; SM-G930V) CDMA 1900 MHz (SM-G930R; SM-G930V) | CDMA 800 MHz CDMA 1900 MHz |
| CDMA2000 | 1xEV-DO Rev. A (SM-G930R; SM-G930V) | - |
| UMTS | UMTS 850 MHz UMTS 1900 MHz UMTS 2100 MHz UMTS 900 MHz (SM-G930A; SM-G930V) UMTS 1700/2100 MHz (SM-G930T) | - |
| LTE | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 850 MHz LTE 1700/2100 MHz LTE 1900 MHz LTE 700 MHz Class 13 (SM-G930R; SM-G930T; SM-G930V) LTE 700 MHz Class 17 (SM-G930R) LTE 900 MHz (SM-G930A) LTE 700 MHz (B12) (SM-G930A; SM-G930R; SM-G930T) LTE 2100 MHz (SM-G930A; SM-G930T) LTE 1800 MHz (SM-G930A; SM-G930T; SM-G930V) LTE 2600 MHz (SM-G930A; SM-G930T; SM-G930V) LTE 800 MHz (SM-G930A; SM-G930T; SM-G930V) | LTE 850 MHz LTE 1700/2100 MHz LTE 1900 MHz LTE 700 MHz (B12) LTE 1900 MHz (B25) |
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 | LTE Cat 4 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) | Android 6.0.1 Marshmallow Android 7.0 Nougat Android 8.0 Oreo | Android 7.1.2 Nougat |
| User interface (UI) | TouchWiz | LG UX 6.0+ |
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 820 (MSM8996) | Qualcomm Snapdragon 425 (MSM8917) |
| Process technology | 14 nm | 28 nm |
| CPU | 2x 2.15 GHz Kryo, 2x 1.6 GHz Kryo | 4x 1.4 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | - |
| Level 2 cache memory (L2) | 1536 KB 1.5 MB | - |
| CPU cores | 4 | 4 |
| CPU frequency | 2150 MHz | 1400 MHz |
| GPU | Qualcomm Adreno 530 | Qualcomm Adreno 308 |
| GPU frequency | 624 MHz | 598 MHz |
| RAM capacity | 4 GB | 2 GB |
| RAM type | LPDDR4 | LPDDR3 |
| RAM channels | Double channel | Single channel |
| RAM frequency | 1866 MHz | 667 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB 64 GB | 16 GB |
| UFS 2.0 | eMMC |
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 | Super AMOLED | IPS |
| Diagonal size | 5.1 in 129.54 mm 12.95 cm | 5 in 127 mm 12.7 cm |
| Width | 2.5 in 63.51 mm 6.35 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.45 in 112.9 mm 11.29 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1440 x 2560 pixels | 720 x 1280 pixels |
| Pixel density | 576 ppi 226 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 72.58 % | 66.41 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| Corning Gorilla Glass 4 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 Barometer Fingerprint Hall Heart rate | Proximity Light Accelerometer Compass |
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 IMX260 Exmor RS | - |
| Sensor type | CMOS | CMOS |
| Pixel size | 1.4 µm 0.001400 mm | - |
| Aperture | f/1.7 | f/2.4 |
| Focal length and 35 mm equivalent | 4.2 mm | - |
| Flash type | LED | LED |
| Image resolution | 4032 x 3024 pixels 12.19 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | 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 RAW Phase detection autofocus (PDAF) | Autofocus Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| Available also with Samsung S5K2L1 (ISOCELL) Phase detection with Dual Pixel Object tracking AF Smart OIS 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 | 1.25 µm 0.001250 mm | - |
| Crop factor | 10.82 | - |
| Aperture | f/1.7 | - |
| Focal length and 35 mm equivalent | 2.1 mm 22.71 mm *(35 mm / full frame) | - |
| Field of view | - | 100 ° |
| Image resolution | 2560 x 1440 pixels 3.69 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps |
| Auto HDR | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Qualcomm WCD9335 DAC | HAC (M4/T3) - Hearing Aid Compatibility |
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 | GPS A-GPS GLONASS BeiDou | GPS A-GPS |
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 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 | 4.2 |
| Features | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP | A2DP AVRCP GAVDP GATT HDP HFP HID HSP LE MAP OPP PAN PBAP SPP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB |
| Version | 2.0 | 2.0 |
| Features | Charging Host Mass storage | Charging Mass storage |
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 | 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 |
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 XMF | 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 3GPP2 AVI DivX Flash Video H.263 H.264 MKV MP4 WebM WMV Xvid ASF | 3GPP AVI DivX Flash Video H.263 H.264 MKV 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 | 3000 mAh | 2500 mAh |
| Type | Li-Ion | Li-Ion |
| 2G talk time | - | 13 h 30 min 13.5 h 810 min 0.6 days |
| 2G stand-by time | - | 360 h 21600 min 15 days |
| 3G talk time | - | 13 h 30 min 13.5 h 810 min 0.6 days |
| 3G stand-by time | - | 360 h 21600 min 15 days |
| Charger output power | 5 V / 2 A 9 V / 1.67 A | - |
| Quick charge technology | Qualcomm Quick Charge 2.0 | - |
| Features | Wireless charging Fast charging Non-removable | Removable |
| Qi/PMA wireless charging | - |
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) | 1.24 W/kg | 0.89 W/kg |
| Body SAR (USA) | 1.59 W/kg | 0.94 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | SM-G930A - SAR (Specific Absorption Rate) US: head - 1.240 W/kg; body - 1.590 W/kg SM-G930P - SAR (Specific Absorption Rate) US: head - 1.240 W/kg; body - 1.590 W/kg SM-G930V - SAR (Specific Absorption Rate) US: head - 1.240 W/kg; body - 1.590 W/kg | - |
| Samsung Galaxy S7 SD820 | LG K8+ (2018) |