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Alcatel 5 vs Samsung Galaxy A51

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.7 inches
6.5 inches

Resolution:

1440 x 720 pixels, 282 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

IPS LCD
Super AMOLED

Refresh rate:

60Hz

Screen-to-body:

77.36 %
87.37 %

Colors:

16 777 216

Touchscreen:

Capacitive, Multi-touch

Features:

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

Hardware

System chip:

MediaTek MT6750
Samsung Exynos 9611

Processor:

Octa-core, 1500 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Mali-T860 MP2
Mali-G72 MP3

RAM:

3GB LPDDR3
4GB LPDDR4

Internal storage:

32GB
128GB, available to use: 105.9 GB

Storage expansion:

microSDHC up to 32 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (7.0 Nougat)
Android (11, 10), Samsung One UI

Battery

Capacity:

3000 mAh
4000 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Fast charging

Camera

Rear:

Single camera
Quad camera

Main camera:

12 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F2.2; Sensor size: 1/2.8"; Pixel size: 1.25 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

12 MP (Ultra-wide)

Specifications:

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

Third camera:

5 MP (Macro)

Specifications:

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

Fourth camera:

5 MP (Depth information)

Specifications:

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

Video recording:

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

Features:

Time-lapse video, Video calling, Video sharing
Hyperlapse, EIS

Front:

13 MP (Dual-Camera, Wide Angle, Flash)
32 MP (HDR)

Video capture:

1280x720 (HD) (30 fps)
1920x1080 (Full HD)

Design

Dimensions:

6.00 x 2.80 x 0.33 inches (152.3 x 71.1 x 8.4 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

5.08 oz (144.0 g)
6.07 oz (172.0 g)

Materials:

Back: Metal
Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint

Keys:

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

Colors:

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

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 41(2600+)

UMTS:

Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 11 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

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):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0

Wi-Fi:

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

USB:

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

Features:

Mass storage device, Charging
Charging, OTG

Location:

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

Sensors:

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

Other:

NFC, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+

Phone features

Notifications:

Haptic feedback, Music ringtones, Flight mode, Silent mode, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Dec 28, 2017
Nov 28, 2019

FCC ID value:

2ACCJH079
A3LSMA515FN

Measured SAR:

Head:

0.92 W/kg
0.89 W/kg

Body:

0.94 W/kg
1.18 W/kg

Simultaneous Transmission:

1.31 W/kg
1.56 W/kg

Wireless Router:

0.94 W/kg
1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

$ 400

User Manual:

This is the official Samsu​ng Galaxy A51 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Feb 24, 2018
Dec 12, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless