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 S25Samsung Galaxy A8sSamsung Galaxy A51Samsung Galaxy A71
Samsung Galaxy S25Samsung Galaxy A8sSamsung Galaxy A51
Prices
Samsung Galaxy A71
Model aliasSM-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.

Width70.5 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
Height146.9 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
Thickness7.2 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
Weight162 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
Volume74.57 cm³
4.53 in³
87.79 cm³
5.33 in³
92.16 cm³
5.6 in³
95.74 cm³
5.81 in³
ColorsNavy
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 materialsGlass
Armor Aluminum
Aluminium alloy
Glass
PlasticPlastic
CertificationIP68IP68--

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIM
eSIM
Nano-SIMNano-SIMNano-SIM
Number of SIM cards1222
FeaturesDual 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.

GSMGSM 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
--
UMTSUMTS 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)
LTELTE-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 NR5G-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 technologiesUMTS
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 15Android 8.1 Oreo
Android 9.0 Pie
Android 10Android 10
Android 11
User interface (UI)One UI 7.0Experience 9.5One UI 2.0One 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.

SoCQualcomm Snapdragon 8 Elite for Galaxy (SM8750-AC)Qualcomm Snapdragon 710 (SDM710)Samsung Exynos 7 Octa 9611Qualcomm Snapdragon 730 (SM7150-AA)
Process technology3 nm10 nm10 nm8 nm
CPU2x 4.47 GHz, 6x 3.53 GHz2x 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-A532x 2.2 GHz ARM Cortex-A76, 6x 1.8 GHz ARM Cortex-A55 (Kryo 470)
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv9.2-AARMv8.2-AARMv8-AARMv8.2-A
Level 2 cache memory (L2)2400 KB
2.34375 MB
---
CPU cores8888
CPU frequency4470 MHz2200 MHz2300 MHz2200 MHz
GPUQualcomm Adreno 830Qualcomm Adreno 616ARM Mali-G72 MP3Qualcomm Adreno 618
GPU cores--3-
GPU frequency1200 MHz504 MHz850 MHz610 MHz
RAM capacity12 GB6 GB4 GB
6 GB
8 GB
6 GB
8 GB
RAM typeLPDDR5XLPDDR4XLPDDR4XLPDDR4X
RAM channelsQuad channelDouble channelDouble channelDouble channel
RAM frequency4800 MHz1866 MHz1600 MHz1866 MHz
Snapdragon Cognitive ISP with Semantic Segmentation---

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage128 GB
256 GB
512 GB
128 GB64 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/technologyDynamic AMOLED 2XPLSSuper AMOLEDSuper AMOLED
Diagonal size6.2 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
Width2.6 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
Height5.63 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 ratio2.167:12.167:12.222:12.222:1
Resolution1080 x 2340 pixels1080 x 2340 pixels1080 x 2400 pixels1080 x 2400 pixels
Pixel density416 ppi
163 ppcm
403 ppi
158 ppcm
405 ppi
159 ppcm
393 ppi
154 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area91.41 %85.02 %87.72 %87.45 %
Other featuresCapacitive
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.

SensorsProximity
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 sensorIn-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 S5KGM2Samsung S5KGW1
Sensor typeISOCELLCMOSISOCELLISOCELL
Sensor format1/1.56"-1/2.25"1/1.72"
Pixel size1 µm
0.001000 mm
-0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
Aperturef/1.8f/1.7f/2f/1.8
Focal length and 35 mm equivalent24 mm *(35 mm / full frame)---
Field of view85 °---
Number of lenses--66
Flash typeLEDDual LEDLEDLED
Image resolution8120 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 resolution7680 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 FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
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 S5KGD1Samsung S5KGD1
Sensor typeCMOS-ISOCELLISOCELL
Sensor format1/2.82"-1/2.8"1/2.8"
Pixel size0.7 µm
0.000700 mm
-0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
Aperturef/2.2f/2f/2.2f/2.2
Focal length and 35 mm equivalent26 mm *(35 mm / full frame)---
Field of view80 °---
Image resolution12 MP5632 x 4224 pixels
23.79 MP
6560 x 4928 pixels
32.33 MP
6560 x 4928 pixels
32.33 MP
Video resolution3840 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 FPS60 fps30 fps30 fps30 fps
FeaturesPhase detection autofocus (PDAF)
HDR
Autofocus
Face unlockFace unlockFace unlock
Phase detection with Dual Pixel
Auto HDR
-Sensor type - ISOCELL SlimSensor type - ISOCELL Slim

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
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.

RadioYesYesYesYes

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
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-Fi802.11a
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.

Version5.45.05.05.0
FeaturesA2DP
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 typeUSB Type-CUSB Type-CUSB Type-CUSB Type-C
Version3.22.02.02.0
FeaturesCharging
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 jackNoNoYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer 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.

BrowserHTML
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/codecsAAC
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/codecsAVI
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.

Capacity4000 mAh3400 mAh4000 mAh4500 mAh
TypeLi-PolymerLi-PolymerLi-IonLi-Ion
Charger output power5 V / 5 A-5 V / 2 A
9 V / 1.67 A
5 V / 5 A
FeaturesWireless 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/kg0.369 W/kg0.512 W/kg
Body SAR (EU)-1.168 W/kg1.59 W/kg1.562 W/kg
Head SAR (USA)--0.8 W/kg0.983 W/kg
Body SAR (USA)--0.67 W/kg1.901 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional featuresS Pen---
 Samsung Galaxy S25Samsung Galaxy A8sSamsung Galaxy A51Samsung Galaxy A71