Samsung Galaxy A51

Brand and model

Brand	Samsung
Model	Galaxy A51

Design

Width	73.6 mm 7.36 cm 0.24 ft 2.9 in
Height	158.5 mm 15.85 cm 0.52 ft 6.24 in
Thickness	7.9 mm 0.79 cm 0.03 ft 0.31 in
Weight	172 g 0.38 lbs 6.07 oz
Volume	92.16 cm³ 5.6 in³
Colors	Prism Crush Blue Prism Crush Black Prism Crush Pink Prism Crush White
Body materials	Plastic

SIM card

SIM card type	Nano-SIM (4FF — fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIM cards	2
Features	Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

GSM	GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2)
UMTS	UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1)
LTE	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)

Mobile network technologies and bandwidth

Mobile network technologies

UMTS (384 kbit/s ) EDGE GPRS HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 42 Mbit/s ) LTE Cat 12 (102.0 Mbit/s , 603.0 Mbit/s )

Operating system

Operating system (OS)	Android 9.0 Pie
User interface (UI)	One UI 1.1

System on Chip (SoC)

SoC	Samsung Exynos 7 Octa 9611
Process technology	10 nm
CPU	4x 2.3 GHz ARM Cortex-A73, 4x 1.7 GHz ARM Cortex-A53
CPU bits	64 bit
Instruction set	ARMv8-A
CPU cores	8
CPU frequency	2300 MHz
GPU	ARM Mali-G72 MP3
GPU cores	3
RAM capacity	4 GB 6 GB
RAM type	LPDDR4X
RAM channels	Double channel

Storage

Storage

64 GB 128 GB

Memory cards

Types

microSD microSDHC microSDXC

Display

Type/technology	Super AMOLED
Diagonal size	6.5 in 165.1 mm 16.51 cm
Width	2.72 in 69.19 mm 6.92 cm
Height	5.9 in 149.9 mm 14.99 cm
Aspect ratio	2.167:1
Resolution	1080 x 2340 pixels
Pixel density	396 ppi 155 ppcm
Color depth	24 bit 16777216 colors
Display area	89.19 %
Other features	Capacitive Multi-touch Scratch resistant

Sensors

Sensors	Proximity Light Accelerometer Compass Gyroscope Fingerprint
	In-display fingerprint sensor

Primary camera

Sensor model	Samsung S5KGM2
Sensor type	ISOCELL
Aperture	f/2
Flash type	LED
Image resolution	8000 x 6000 pixels 48 MP
Video resolution	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps
Features	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
	Sensor size — 1/2.25″ Pixel size — 1.6 μm (4-in-1 pixel binning) Sensor type — ISOCELL PLUS Super Phase Detection 6-element lens 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)

Secondary camera

Sensor model	Samsung S5KGD1
Sensor type	ISOCELL
Aperture	f/2.2
Image resolution	6560 x 4928 pixels 32.33 MP
Video resolution	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps
	Sensor size — 1/2.8″ Pixel size — 0.8 μm Sensor type — ISOCELL Slim Face unlock

Audio

Speaker

Loudspeaker Earpiece

Radio

Radio

Yes

Tracking / Positioning

Tracking / Positioning

GPS A-GPS GLONASS BeiDou Galileo

Wi-Fi

Wi-Fi

802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display

Bluetooth

Version	5.0
Features	A2DP (Advanced Audio Distribution Profile) AVRCP (Audio/Visual Remote Control Profile) DIP (Device ID Profile) HFP (Hands-Free Profile) HID (Human Interface Profile) HSP (Headset Profile) MAP (Message Access Profile) OPP (Object Push Profile) PAN (Personal Area Networking Profile) PBAP/PAB (Phone Book Access Profile) HOGP

USB

Connector type	USB Type-C
Version	2.0
Features	Charging Mass storage On-The-Go

Headphone jack

Headphone jack

Yes

Connectivity

Connectivity	Computer sync OTA sync Tethering NFC VoLTE ANT+
	NFC — market dependent

Browser

Browser

HTML HTML5 CSS 3

Audio file formats/codecs

Audio file formats/codecs

AAC (Advanced Audio Coding) AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) AMR-WB (Adaptive Multi-Rate Wideband, .awb) eAAC+ / aacPlus v2 / HE-AAC v2 FLAC (Free Lossless Audio Codec, .flac) M4A (MPEG-4 Audio, .m4a) MIDI MP3 (MPEG-2 Audio Layer II, .mp3) OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus) WMA (Windows Media Audio, .wma) WAV (Waveform Audio File Format, .wav, .wave)

Video file formats/codecs

Video file formats/codecs

3GPP (3rd Generation Partnership Project, .3gp) 3GPP2 (3rd Generation Partnership Project 2, .3g2) AVI (Audio Video Interleaved, .avi) Flash Video (.flv, .f4v, .f4p, .f4a, .f4b) H.263 H.264 / MPEG-4 Part 10 / AVC video H.265 / MPEG-H Part 2 / HEVC MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks) MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v) VC-1 VP8 VP9 WebM WMV (Windows Media Video, .wmv) WMV7 (Windows Media Video 7, .wmv) WMV8 (Windows Media Video 8, .wmv) Xvid

Battery

Capacity	4000 mAh
Type	Li-Polymer
Charger output power	5 V / 2 A 9 V / 1.67 A
Features	Fast charging Non-removable