Comparison between:
- Samsung Galaxy S8 SD835
- Samsung Galaxy S8 Exynos
- Sony Xperia X Compact
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Samsung Galaxy S8 SD835 | Samsung Galaxy S8 Exynos | Sony Xperia X Compact | |
 Prices |  Prices |  Prices | |
| Model alias | SM-G950A G950A SM-G950J G950J SM-G950P G950T SM-G950T G950T SM-G950U G950U SM-G950V G950VSM-G950W G950W SM-G9500 G9500 | SM-G950F G950F SM-G950FD G950FD | F5321 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 68.1 mm 6.81 cm 0.223 ft 2.681 in | 68.1 mm 6.81 cm 0.223 ft 2.681 in | 65 mm 6.5 cm 0.213 ft 2.559 in |
| Height | 148.9 mm 14.89 cm 0.489 ft 5.862 in | 148.9 mm 14.89 cm 0.489 ft 5.862 in | 129 mm 12.9 cm 0.423 ft 5.079 in |
| Thickness | 8 mm 0.8 cm 0.026 ft 0.315 in | 8 mm 0.8 cm 0.026 ft 0.315 in | 9.5 mm 0.95 cm 0.031 ft 0.374 in |
| Weight | 155 g 0.34 lbs 5.47 oz | 155 g 0.34 lbs 5.47 oz | 135 g 0.3 lbs 4.76 oz |
| Volume | 81.12 cm³ 4.93 in³ | 81.12 cm³ 4.93 in³ | 79.66 cm³ 4.84 in³ |
| Colors | Black Silver Gold Blue Gray Pink Red | Black Silver Gold Blue Gray Pink Red | Black White Blue |
| Body materials | Glass Aluminium alloy | Glass Aluminium alloy | Plastic |
| Certification | IP68 | 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 | Nano-SIM |
| Number of SIM cards | 1 | 1 | 1 |
| Features | 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 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 |
| TD-SCDMA | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 800 MHz UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz UMTS 800 MHz (B21) |
| LTE | 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 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz (B12) | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) 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 700 MHz (B12) LTE 700 MHz (B28) | 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 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 850 MHz (B26) LTE 700 MHz (B12) LTE 700 MHz (B28) |
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 16 | UMTS EDGE GPRS HSPA+ LTE Cat 16 TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 6 |
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 7.0 Nougat Android 8.0 Oreo Android 9.0 Pie | Android 7.0 Nougat Android 8.0 Oreo Android 9.0 Pie | Android 6.0.1 Marshmallow Android 7.1.1 Nougat Android 8.0 Oreo |
| User interface (UI) | Experience 8.1 | Experience 8.1 | - |
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 835 MSM8998 | Samsung Exynos 9 Octa 8895 | Qualcomm Snapdragon 650 MSM8956 |
| Process technology | 10 nm | 10 nm | 28 nm |
| CPU | 4x 2.35 GHz Kryo 280, 4x 1.9 GHz Kryo 280 | 4x 2.3 GHz Exynos M2 Mongoose, 4x 1.7 GHz ARM Cortex-A53 | 2x 1.8 GHz ARM Cortex-A72, 4x 1.2 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8 |
| Level 1 cache memory (L1) | 32 KB + 32 KB | - | - |
| Level 2 cache memory (L2) | 3072 KB 3 MB | - | - |
| CPU cores | 8 | 8 | 6 |
| CPU frequency | 2350 MHz | 2300 MHz | 1800 MHz |
| GPU | Qualcomm Adreno 540 | ARM Mali-G71 MP20 | Qualcomm Adreno 510 |
| GPU cores | - | 20 | - |
| GPU frequency | 710 MHz | 546 MHz | 550 MHz |
| RAM capacity | 4 GB | 4 GB | 3 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR3 |
| RAM channels | Double channel | Double channel | Double channel |
| RAM frequency | 1866 MHz | 1794 MHz | 933 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB | 64 GB | 32 GB |
| UFS 2.1 | UFS 2.1 | - |
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 |
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 |
| Diagonal size | 5.8 in 147.32 mm 14.73 cm | 5.8 in 147.32 mm 14.73 cm | 4.6 in 116.84 mm 11.68 cm |
| Width | 2.54 in 64.45 mm 6.44 cm | 2.54 in 64.45 mm 6.44 cm | 2.26 in 57.28 mm 5.73 cm |
| Height | 5.22 in 132.48 mm 13.25 cm | 5.22 in 132.48 mm 13.25 cm | 4.01 in 101.83 mm 10.18 cm |
| Aspect ratio | 2.056:1 | 2.056:1 | 1.778:1 16:9 |
| Resolution | 1440 x 2960 pixels | 1440 x 2960 pixels | 720 x 1280 pixels |
| Pixel density | 568 ppi 223 ppcm | 568 ppi 223 ppcm | 319 ppi 125 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 84.47 % | 84.47 % | 69.79 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 5 Dual Edge display Always-On Display 540 cd/m² 90% DCI-P3 VR headset support | Corning Gorilla Glass 5 Dual Edge display Always-On Display 540 cd/m² 90% DCI-P3 | Corning Gorilla Glass 4 Triluminos display for mobile X-Reality display Dynamic contrast enhancement |
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 Iris sensor | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall Heart rate Iris sensor | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
| Fingerprint sensor model - Synaptics Namsan | Fingerprint sensor model - Synaptics Namsan | Step detector Step counter Fingerprint sensor model - Fingerprint Cards FPC1145 |
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 IMX333 Exmor RS | Sony IMX333 Exmor RS | Sony Exmor RS |
| Sensor type | CMOS | CMOS | CMOS |
| Sensor size | - | - | 6.17 x 4.55 mm 0.3 in |
| Sensor format | 1/2.55" | 1/2.55" | - |
| Pixel size | 1.4 µm 0.001400 mm | 1.4 µm 0.001400 mm | 1.118 µm 0.001118 mm |
| Crop factor | - | - | 5.64 |
| ISO | - | - | 100 - 12800 |
| Aperture | f/1.7 | f/1.7 | f/2 |
| Focal length and 35 mm equivalent | 4.2 mm 26 mm *(35 mm / full frame) | 4.2 mm 26 mm *(35 mm / full frame) | 4.27 mm 24.1 mm *(35 mm / full frame) |
| Field of view | 77 ° | 77 ° | - |
| Flash type | Dual LED | Dual LED | LED |
| Image resolution | 4032 x 3024 pixels 12.19 MP | 4032 x 3024 pixels 12.19 MP | 5520 x 4140 pixels 22.85 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 60 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 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 RAW Phase detection autofocus (PDAF) | 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 Hybrid auto focus (HAF) |
| Available also with Samsung S5K2L2 (ISOCELL) Phase detection with Dual Pixel Object tracking AF Smart OIS High CRI LED flash 720p @ 240 fps | Available also with Samsung S5K2L2 (ISOCELL) Phase detection with Dual Pixel Object tracking AF Smart OIS High CRI LED flash 720p @ 240 fps | Triple Image Sensing RGBC-IR sensor Wide angel G-lens |
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 | Sony IMX320 Exmor RS | Sony IMX320 Exmor RS | Sony Exmor R |
| Sensor type | CMOS | CMOS | CMOS |
| Sensor format | 1/3.6" | 1/3.6" | - |
| Pixel size | 1.22 µm 0.001220 mm | 1.22 µm 0.001220 mm | - |
| ISO | - | - | 100 - 6400 |
| Aperture | f/1.7 | f/1.7 | f/2 |
| Focal length and 35 mm equivalent | 2.95 mm 25 mm *(35 mm / full frame) | 2.95 mm 25 mm *(35 mm / full frame) | 22 mm *(35 mm / full frame) |
| Field of view | 80 ° | 80 ° | - |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 2560 x 1440 pixels 3.69 MP | 2560 x 1440 pixels 3.69 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Available also with Samsung S5K3H1 Auto HDR | Available also with Samsung S5K3H1 Auto HDR | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers |
| Qualcomm WCD9341 DAC 192 kHz / 24-bit | 192 kHz / 32-bit igh Acoustic Overload Point (AOP) Mic | Clear Audio+ S-Force front surround |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | Yes |
| - | - | RDS |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS | GPS A-GPS GLONASS BeiDou Galileo | 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 | 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 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct |
| VHT80 MU-MiMO 1024-QAM | VHT80 MU-MiMO 1024-QAM | - |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.0 | 4.2 |
| Features | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP | A2DP AVRCP DIP GAVDP GAP 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 | USB Type-C | USB Type-C | USB Type-C |
| Version | 3.1 | 3.1 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | 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 | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC ANT+ | Computer sync OTA sync Tethering NFC ANT+ | Computer sync OTA sync Tethering DLNA 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 | 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 AAC+ AMR AMR-WB aptX eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV XMF | AAC AAC+ AMR AMR-WB aptX eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV LDAC DSEE HX DSD |
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 3GPP2 AVI DivX Flash Video H.263 H.264 MKV MP4 WebM WMV Xvid ASF | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VP8 VP9 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 | 3000 mAh | 2700 mAh |
| Type | Li-Ion | Li-Ion | Li-Polymer |
| 2G talk time | 29 h 1740 min 1.2 days | 29 h 1740 min 1.2 days | 11 h 660 min 0.5 days |
| 2G stand-by time | - | - | 710 h 42600 min 29.6 days |
| 3G talk time | 29 h 1740 min 1.2 days | 29 h 1740 min 1.2 days | 14 h 840 min 0.6 days |
| 3G stand-by time | - | - | 750 h 45000 min 31.3 days |
| 4G stand-by time | - | - | 670 h 40200 min 27.9 days |
| Charger output power | 5 V / 2 A 9 V / 1.67 A | 5 V / 2 A 9 V / 1.67 A | - |
| Quick charge technology | - | - | Qualcomm Quick Charge 3.0 |
| Features | Wireless charging Fast charging Non-removable | Wireless charging Fast charging Non-removable | Fast charging Non-removable |
| Qi/PMA wireless charging | 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 (EU) | - | 0.315 W/kg | 1.08 W/kg |
| Body SAR (EU) | - | 1.27 W/kg | 1.25 W/kg |
| Head SAR (USA) | 0.24 W/kg | 0.37 W/kg | 0.72 W/kg |
| Body SAR (USA) | 0.48 W/kg | 0.75 W/kg | 0.97 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | SM-G950N - SAR (Specific Absorption Rate) US: head - 0.240 W/kg; body - 0.480 W/kg SM-G950U - SAR (Specific Absorption Rate) US: head - 0.570 W/kg; body - 0.480 W/kg | - | - |
| Samsung Galaxy S8 SD835 | Samsung Galaxy S8 Exynos | Sony Xperia X Compact |