Comparison between:
- Samsung Galaxy S25
- Samsung Galaxy A8s
- Samsung Galaxy A51
- Samsung Galaxy A71
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
Samsung Galaxy S25 | Samsung Galaxy A8s | Samsung Galaxy A51 | Samsung Galaxy A71 | |
![]() | ![]() | ![]() Prices | ![]() | |
Model alias | SM-S931B SM-S931B/DS SM-S931U SM-S931U1 SM-S931W SM-S931N SM-S9310 SM-S931E SM-S931E/DS | SM-G8870 G8870 SM-G887FZ G887FZ | SM-A515F/DS SM-A515F/DSN SM-A515FN/DS SM-A515GN/DS SM-A515FM/DS SM-A515YN SM-A515W | SM-A715F/DS SM-A715FN/DS; SM-A715GM/DS SM-A715MN/DS SM-A7150 SM-A715W |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
Width | 70.5 mm 7.05 cm 0.231 ft 2.776 in | 74.9 mm 7.49 cm 0.246 ft 2.949 in | 73.6 mm 7.36 cm 0.241 ft 2.898 in | 76 mm 7.6 cm 0.249 ft 2.992 in |
Height | 146.9 mm 14.69 cm 0.482 ft 5.783 in | 158.4 mm 15.84 cm 0.52 ft 6.236 in | 158.5 mm 15.85 cm 0.52 ft 6.24 in | 163.6 mm 16.36 cm 0.537 ft 6.441 in |
Thickness | 7.2 mm 0.72 cm 0.024 ft 0.283 in | 7.4 mm 0.74 cm 0.024 ft 0.291 in | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 7.7 mm 0.77 cm 0.025 ft 0.303 in |
Weight | 162 g 0.36 lbs 5.71 oz | 173 g 0.38 lbs 6.1 oz | 172 g 0.38 lbs 6.07 oz | 179 g 0.39 lbs 6.31 oz |
Volume | 74.57 cm³ 4.53 in³ | 87.79 cm³ 5.33 in³ | 92.16 cm³ 5.6 in³ | 95.74 cm³ 5.81 in³ |
Colors | Navy Silver Shadow Icyblue Mint | Blue Green Gray Pink | Prism Crush Blue Prism Crush Black Prism Crush Pink Prism Crush White | Prism Crush Blue Prism Crush Black Prism Crush Pink Prism Crush Silver |
Body materials | Glass Armor Aluminum | Aluminium alloy Glass | Plastic | 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 eSIM | Nano-SIM | Nano-SIM | Nano-SIM |
Number of SIM cards | 1 | 2 | 2 | 2 |
Features | 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 stand-by (Both cards are active. When one is busy, the other is not active) | 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 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) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) |
TD-SCDMA | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | - |
UMTS | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | 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 1900 MHz (B2) UMTS 2100 MHz (B1) |
LTE | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) 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 2000 MHz (B34) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE 700 MHz (B28) | 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-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) |
5G NR | 5G-FDD 700 MHz (n28) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-FDD 2600 MHz (n7) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) | - | - | - |
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 5G SA 5G NSA | UMTS EDGE GPRS HSPA+ LTE TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 12 | UMTS EDGE GPRS HSPA+ LTE Cat 12 |
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 15 | Android 8.1 Oreo Android 9.0 Pie | Android 10 | Android 10 Android 11 |
User interface (UI) | One UI 7.0 | Experience 9.5 | One UI 2.0 | One UI 2.0 One UI 2.5 |
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 8 Elite for Galaxy (SM8750-AC) | Qualcomm Snapdragon 710 (SDM710) | Samsung Exynos 7 Octa 9611 | Qualcomm Snapdragon 730 (SM7150-AA) |
Process technology | 3 nm | 10 nm | 10 nm | 8 nm |
CPU | 2x 4.47 GHz, 6x 3.53 GHz | 2x 2.2 GHz ARM Cortex-A75, 6x 1.7 GHz ARM Cortex-A55 (Kryo 360) | 4x 2.3 GHz ARM Cortex-A73, 4x 1.7 GHz ARM Cortex-A53 | 2x 2.2 GHz ARM Cortex-A76, 6x 1.8 GHz ARM Cortex-A55 (Kryo 470) |
CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
Instruction set | ARMv9.2-A | ARMv8.2-A | ARMv8-A | ARMv8.2-A |
Level 2 cache memory (L2) | 2400 KB 2.34375 MB | - | - | - |
CPU cores | 8 | 8 | 8 | 8 |
CPU frequency | 4470 MHz | 2200 MHz | 2300 MHz | 2200 MHz |
GPU | Qualcomm Adreno 830 | Qualcomm Adreno 616 | ARM Mali-G72 MP3 | Qualcomm Adreno 618 |
GPU cores | - | - | 3 | - |
GPU frequency | 1200 MHz | 504 MHz | 850 MHz | 610 MHz |
RAM capacity | 12 GB | 6 GB | 4 GB 6 GB 8 GB | 6 GB 8 GB |
RAM type | LPDDR5X | LPDDR4X | LPDDR4X | LPDDR4X |
RAM channels | Quad channel | Double channel | Double channel | Double channel |
RAM frequency | 4800 MHz | 1866 MHz | 1600 MHz | 1866 MHz |
Snapdragon Cognitive ISP with Semantic Segmentation | - | - | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
Storage | 128 GB 256 GB 512 GB | 128 GB | 64 GB 128 GB 256 GB | 128 GB |
UFS 4.0 | - | - | - |
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 | Dynamic AMOLED 2X | PLS | Super AMOLED | Super AMOLED |
Diagonal size | 6.2 in 157.48 mm 15.75 cm | 6.4 in 162.56 mm 16.26 cm | 6.5 in 165.1 mm 16.51 cm | 6.7 in 170.18 mm 17.02 cm |
Width | 2.6 in 65.99 mm 6.6 cm | 2.68 in 68.12 mm 6.81 cm | 2.67 in 67.75 mm 6.78 cm | 2.75 in 69.84 mm 6.98 cm |
Height | 5.63 in 142.99 mm 14.3 cm | 5.81 in 147.6 mm 14.76 cm | 5.93 in 150.56 mm 15.06 cm | 6.11 in 155.19 mm 15.52 cm |
Aspect ratio | 2.167:1 | 2.167:1 | 2.222:1 | 2.222:1 |
Resolution | 1080 x 2340 pixels | 1080 x 2340 pixels | 1080 x 2400 pixels | 1080 x 2400 pixels |
Pixel density | 416 ppi 163 ppcm | 403 ppi 158 ppcm | 405 ppi 159 ppcm | 393 ppi 154 ppcm |
Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
Display area | 91.41 % | 85.02 % | 87.72 % | 87.45 % |
Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
Corning Gorilla Glass Victus 2 Infinity-O Display Always-On Display LTPO 2600 cd/m² peak brightness 1-120 Hz refresh rate VRR HDR10+ Vision Booster technology | Display manufacturer - Boe 2.5D curved glass screen LTPS (Low Temperature PolySilicon) | - | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
Sensors | Proximity Light Accelerometer Compass Gyroscope Barometer Geomagnetic Fingerprint Hall Gravity | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
In-display ultrasonic fingerprint sensor | - | In-display fingerprint sensor | 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 model | - | - | Samsung S5KGM2 | Samsung S5KGW1 |
Sensor type | ISOCELL | CMOS | ISOCELL | ISOCELL |
Sensor format | 1/1.56" | - | 1/2.25" | 1/1.72" |
Pixel size | 1 µm 0.001000 mm | - | 0.8 µm 0.000800 mm | 0.8 µm 0.000800 mm |
Aperture | f/1.8 | f/1.7 | f/2 | f/1.8 |
Focal length and 35 mm equivalent | 24 mm *(35 mm / full frame) | - | - | - |
Field of view | 85 ° | - | - | - |
Number of lenses | - | - | 6 | 6 |
Flash type | LED | Dual LED | LED | LED |
Image resolution | 8120 x 6180 pixels 50.18 MP | 5632 x 4224 pixels 23.79 MP | 8000 x 6000 pixels 48 MP | 9280 x 6944 pixels 64.44 MP |
Video resolution | 7680 x 4320 pixels 33.18 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 autofocus Continuous shooting Digital zoom Optical 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 Phase detection autofocus (PDAF) Laser autofocus (LAF) Expert RAW Astro Hyperlapse Adaptive VDIS | 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) | 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) | 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) |
Super Clear Glass Phase detection with Dual Pixel Object tracking AF Dual OIS HDR10+ video recording Adaptive Pixel Detail Enhancer in High Resolution mode Secondary rear camera - 12 MP (ultra-wide) Sensor size - 1/2.55" (#2) Pixel size - 1.4 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 120° (#2) Focal length (35 mm equivalent) - 13 mm (#2) Third rear camera - 10 MP (telephoto) Sensor size - 1/3.94" (#3) Pixel size - 1.0 μm (#3) Aperture size - f/2.4 (#3) PDAF (#3) 3x optical zoom (#3) Angle of view - 36° (#3) Focal length (35 mm equivalent) - 69 mm (#3) | Secondary rear camera - 10 MP (telephoto) Aperture size - f/2.4 (#2) Third rear camera - 5 MP Aperture size - f/2.2 (#3) | Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection Secondary rear camera - 12 MP (ultra-wide angle) Aperture size - f/2.2 (#2) Pixel size - 1.12 μm (#2) Third rear camera - 5 MP (macro) Aperture size - f/2.4 (#3) Fourth rear camera - 5 MP (depth-sensing) Aperture size - f/2.2 (#3) Pixel size - 1.12 μm (#3) | Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection Secondary rear camera - 12 MP (ultra-wide angle) Aperture size - f/2.2 (#2) Pixel size - 1.12 μm (#2) Third rear camera - 5 MP (macro) Aperture size - f/2.4 (#3) Fourth rear camera - 5 MP (depth-sensing) Aperture size - f/2.2 (#3) Pixel size - 1.12 μm (#3) |
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 S5KGD1 | Samsung S5KGD1 |
Sensor type | CMOS | - | ISOCELL | ISOCELL |
Sensor format | 1/2.82" | - | 1/2.8" | 1/2.8" |
Pixel size | 0.7 µm 0.000700 mm | - | 0.8 µm 0.000800 mm | 0.8 µm 0.000800 mm |
Aperture | f/2.2 | f/2 | f/2.2 | f/2.2 |
Focal length and 35 mm equivalent | 26 mm *(35 mm / full frame) | - | - | - |
Field of view | 80 ° | - | - | - |
Image resolution | 12 MP | 5632 x 4224 pixels 23.79 MP | 6560 x 4928 pixels 32.33 MP | 6560 x 4928 pixels 32.33 MP |
Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
Video FPS | 60 fps | 30 fps | 30 fps | 30 fps |
Features | Phase detection autofocus (PDAF) HDR Autofocus | Face unlock | Face unlock | Face unlock |
Phase detection with Dual Pixel Auto HDR | - | Sensor type - ISOCELL Slim | Sensor type - ISOCELL Slim |
Audio
Information about the type of speakers and the audio technologies supported by the device.
Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
384 kHz / 32-bit AKG audio Dolby Atmos | Headphone adapter | - | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
Radio | Yes | Yes | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
Tracking/Positioning | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS BeiDou Galileo | GPS A-GPS GLONASS BeiDou Galileo |
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 Wi-Fi 6 (802.11ax) Wi-Fi 7 (802.11be) 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 | 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 Wi-Fi Display |
HE80 MiMO 1024-QAM | VHT80 MIMO | - | - |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
Version | 5.4 | 5.0 | 5.0 | 5.0 |
Features | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP SSC | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP HOGP | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP HOGP | 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 | USB Type-C | USB Type-C |
Version | 3.2 | 2.0 | 2.0 | 2.0 |
Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go |
DisplayPort 1.2 Alt Mode | - | - | - |
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 | No | No | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
Connectivity | Computer sync OTA sync Tethering NFC Ultra-wideband (UWB) MST | Computer sync OTA sync Tethering NFC VoLTE ANT+ | Computer sync OTA sync Tethering NFC VoLTE ANT+ | Computer sync OTA sync Tethering VoLTE ANT+ |
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 aptX aptX HD FLAC M4A MIDI MP3 OGG WMA WAV 3GA OGA AWB MID XMF MXMF IMY RTTTL RTX OTA APE DSF DFF LDAC | AAC AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AMR AMR-WB eAAC+ FLAC M4A 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 | AVI MKV MP4 WMV M4V 3GP 3G2 ASF FLV WEBM | 3GPP 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VC-1 VP8 VP9 WebM WMV WMV7 WMV8 Xvid | 3GPP 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VC-1 VP8 VP9 WebM WMV WMV7 WMV8 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 | 4000 mAh | 3400 mAh | 4000 mAh | 4500 mAh |
Type | Li-Polymer | Li-Polymer | Li-Ion | Li-Ion |
Charger output power | 5 V / 5 A | - | 5 V / 2 A 9 V / 1.67 A | 5 V / 5 A |
Features | Wireless charging Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
Qi/PMA wireless charging - 15 W 4.5W wireless reverse charging Fast Wireless Charging USB Power Delivery 3.0 | - | - | - |
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) | - | 0.24 W/kg | 0.369 W/kg | 0.512 W/kg |
Body SAR (EU) | - | 1.168 W/kg | 1.59 W/kg | 1.562 W/kg |
Head SAR (USA) | - | - | 0.8 W/kg | 0.983 W/kg |
Body SAR (USA) | - | - | 0.67 W/kg | 1.901 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
Additional features | S Pen | - | - | - |
Samsung Galaxy S25 | Samsung Galaxy A8s | Samsung Galaxy A51 | Samsung Galaxy A71 |