Samsung Galaxy A90 5G vs Samsung Galaxy A51

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Display

Size

6.7 inches
6.5 inches

Resolution

2400 x 1080 pixels, 20:9 ratio,
393 PPI
2400 x 1080 pixels, 20:9 ratio,
405 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

85.99 %
87.37 %

Features

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Qualcomm Snapdragon 855 SM8150
Samsung Exynos 9611

Processor

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

Adreno 640
Mali-G72 MP3

RAM

6GB LPDDR4
4GB LPDDR4

Internal storage

128GB
128GB

Available to use

106.4 GB
107 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type

Smart phone
Smart phone

OS

Android
Android (10), Samsung One UI

Battery

Capacity

4500 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Samsung Adaptive Fast Charging
Fast charging

Talk time (4G)

54 hours
32 hours

Internet use

LTE: 16 hours; Wi-Fi: 17 hours
LTE: 15 hours; Wi-Fi: 16 hours

Music playback

101.00 hours
87.00 hours

Video playback

25.00 hours
20.00 hours

Camera

Rear

Triple camera
Quad camera

Main camera

48 MP
48 MP

Features

PDAF
PDAF

Specifications

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

8 MP
12 MP

Features

Ultra-wide
Ultra-wide

Specifications

Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera

5 MP
5 MP

Features

Depth information
Macro

Specifications

Aperture size: F2.2
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera

 
5 MP

Features

 
Depth information

Specifications

 
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Flash

LED
LED

Software Features

HDR, Panorama, Face detection, Scenes, Exposure compensation, ISO control, White balance presets, Touch to focus, Digital zoom, Geo tagging
HDR, Panorama, Night mode, Scenes, Exposure compensation, ISO control, White balance presets, Touch to focus, Digital zoom, Geo tagging

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features

Time-lapse video, EIS
Hyperlapse, EIS

Front

32 MP
32 MP

Features

HDR
HDR

Video capture

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Design

Form factor

Candybar
Candybar

Dimensions

6.49 x 3.01 x 0.33 inches (164.8 x 76.4 x 8.4 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight

7.27 oz (206 g)
the average is 6.2 oz (179 g)
6.07 oz (172 g)
the average is 6.2 oz (179 g)

Materials

Back: Glass
Back: Plastic; Frame: Plastic

Biometrics

2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors

Black, White
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

5G

n78, Sub-6
 

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data Speed

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

2G Data

EDGE, GPRS
EDGE, GPRS

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

Global Roaming

Yes
Yes

Multimedia

Headphones

No 3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Dolby Atmos
Dolby Atmos

Screen mirroring

Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

Profiles/ Protocols

Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Generic Access (GAP), Handsfree (HFP), Headset (HSP), Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP)
Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Generic Access (GAP), Handsfree (HFP), Headset (HSP), Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP)

Wi-Fi

802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features

Charging, Headphones port
Charging, OTG

Location

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

ANT+
NFC, ANT+

Regulatory Approval

FCC approval

 
 

Date approved

 
Nov 28, 2019

 
FCC ID value: A3LSMA515FN link

Measured SAR

 
 

Head

 
0.89 W/kg

Body

 
1.18 W/kg

Simultaneous Transmission

 
1.56 W/kg

Wireless Router

 
1.12 W/kg

Phablet

 
2.76 W/kg

Availability

Officially announced

 
Dec 12, 2019
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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