Alcatel 7 vs Samsung Galaxy A51

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Display

Size

6.0 inches
6.5 inches

Resolution

2160 x 1080 pixels,
402 PPI
2400 x 1080 pixels, 20:9 ratio,
405 PPI

Technology

LCD
Super AMOLED

Screen-to-body

76.51 %
87.37 %

Features

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

Hardware

System chip

MediaTek Helio P23 MT6763T
Samsung Exynos 9611

Processor

Octa-core, 2300 MHz, ARM Cortex-A53, 64-bit, 16 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

Mali-G71MP2
Mali-G72 MP3

RAM

2GB LPDDR4
4GB LPDDR4

Internal storage

32GB
128GB, available to use: 105.9 GB

Storage expansion

microSDXC up to 128 GB
microSDXC up to 512 GB

OS

Android (8.1 Oreo)
Android (10), Samsung One UI

Battery

Capacity

4000 mAh
4000 mAh

Type

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

Battery life test results

 

Charging

MediaTek Pump Express
Fast charging

Camera

Rear

Dual camera
Quad camera

Main camera

12 MP (PDAF)
48 MP (PDAF)

Specifications

Aperture size: F2.2; Focal length: 27 mm; 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

2 MP (Depth information)
12 MP (Ultra-wide)

Specifications

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm
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

EIS, Video calling, Video sharing
Hyperlapse, EIS

Front

8 MP (Flash)
32 MP (HDR)

Design

Dimensions

6.38 x 2.95 x 0.34 inches (162.1 x 74.9 x 8.6 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight

6.17 oz (175.0 g)
the average is 6.2 oz (176 g)
6.07 oz (172.0 g)
the average is 6.2 oz (176 g)

Materials

Back: Glass
Back: Plastic; Frame: Plastic

Biometrics

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

Colors

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

Cellular

LTE (FDD)

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
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

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

Data Speed

LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

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

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

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

USB

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

Features

Mass storage device, Charging
Charging, OTG

Location

GPS, A-GPS
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

UMA (Wi-Fi Calling), Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+

Regulatory Approval

FCC approval

 
 

Date approved

May 25, 2018
Nov 28, 2019

FCC ID value: 2ACCJBT09 link
FCC ID value: A3LSMA515FN link

Measured SAR

 
 

Head

1.03 W/kg
0.89 W/kg

Body

1.10 W/kg
1.18 W/kg

Simultaneous Transmission

1.57 W/kg
1.56 W/kg

Wireless Router

1.18 W/kg
1.12 W/kg

Phablet

 
2.76 W/kg

Buyers information

Price

$ 180
$ 400
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