Samsung Galaxy A8 (2018) vs Samsung Galaxy A51 5G Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

6.5
Samsung Galaxy A8 (2018)
Samsung Galaxy A8 (2018) Samsung Galaxy A51 5G
Released · Jan 06, 2018
Released · Apr 29, 2020
5.6-inch · 2220x1080px
6.5-inch · 2400x1080px
Single camera
Quad camera
4GB · 64GB
6GB · 128GB
3000 mAh
4500 mAh
Check prices

Availability

Officially announced
Dec 19, 2017 Apr 08, 2020
Prices (MSRP)
$500

Design

Dimensions
5.87 x 2.78 x 0.33 inches
149.2 x 70.6 x 8.4 mm
6.26 x 2.90 x 0.34 inches
158.9 x 73.6 x 8.7 mm
Weight
6.07 oz / 172.0 g 6.60 oz / 187.0 g
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch) 2D Face unlock, Optical in-screen fingerprint
Features
Notification light
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Orchid grey, Blue Prism cube black

Display

Size
5.6-inch, 75.60% screen-to-body 6.5-inch, 87.37% screen-to-body
Type
Super AMOLED Super AMOLED, 60Hz
Resolution
2220x1080px, 18.5:9 ratio, 441 PPI 2400x1080px, 20:9 ratio, 405 PPI
Protection
Corning Gorilla Glass 4 Corning Gorilla Glass 3

Hardware

System chip
Samsung Exynos 5 Octa 7885 (14 nm) Samsung Exynos 980 (8 nm)
Processor
Octa-core
2200 MHz
ARM Cortex-A73 and ARM Cortex-A53
Octa-core
2x2.2GHz Cortex-A77
6x1.8G​Hz Cortex-A55
GPU
Mali-G71 Mali-G76 MP5
Memory
4GB (LPDDR4)/64GB
4GB/32GB
6GB (LPDDR4)/128GB
8GB/128GB
Storage expansion
microSDXC up to 256 GB microSDXC up to 1000 GB
OS
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat) Android (11, 10)

Battery

Type
3000 mAh, Li - Polymer 4500 mAh, Li - Polymer
Charging
Fast charging Fast charging
Charge speed
Wired: 25.0W

Camera

Rear
Single camera Quad camera
Main camera
16 MP (PDAF)
Aperture size: F1.7
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
1080p (30 fps)
Hyperlapse, EIS, Video calling, Video sharing
4K UHD (30 fps), 1080p (120 fps), 720p (480 fps)
Hyperlapse, EIS
Front
16 MP (Dual-Camera)
Video capture: 1080p
32 MP (HDR)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync NFC, ANT+

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G Bands
n41, n71, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71
4G (TDD) Bands
38, 40, 41 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Nov 14, 2017
FCC ID value: A3LSMA530F
Date approved: Jul 15, 2020
FCC ID value: A3LSMA516U
Measured SAR
Head: 0.26 W/kg
Body: 0.76 W/kg
Simultaneous Transmission: 1.54 W/kg
Wireless Router: 0.98 W/kg
Head: 1.18 W/kg
Body: 1.20 W/kg
Simultaneous Transmission: 3.25 W/kg
Wireless Router: 1.37 W/kg

Alternative variants

with 32 GB storage
Memory 32GB
Prices (MSRP) €500
with 8GB RAM
Memory 8GB
for Europe
Colors Prism cube black, Prism cube white
5G Bands n41, n78, SA, NSA
4G (FDD) Bands 1, 3, 4, 5, 7, 8, 12, 20, 28
4G (TDD) Bands 38, 40, 41
3G Bands 5, 8, 2, 1
Dual SIM Yes
SIM type Nano SIM
for Verizon
System chip Snapdragon 765G SM7250-AB (7 nm)
Processor Octa-core
2400 MHz
Kryo 475
GPU Adreno 620
Colors Prism bricks blue
5G Bands n260, n261, mmWave
4G (FDD) Bands 2, 3, 4, 5, 7, 12, 13, 20, 28, 66
3G Bands 5, 8, 2, 1
FCC approval Date approved: Jul 20, 2020
FCC ID value: A3LSMA516V
Measured SAR Head: 0.32 W/kg
Body: 1.32 W/kg
Simultaneous Transmission: 3.01 W/kg
Wireless Router: 1.37 W/kg
Phablet: 3.91 W/kg
Prices (MSRP) $550
FCC OKs Cingular\'s purchase of AT&T Wireless