Samsung Galaxy A7 (2018) vs Samsung Galaxy S21 - specs comparison

Display

Size:

6.0 inches

6.2 inches

Resolution:

2220 x 1080 pixels, 18.5:9 ratio, 411 PPI

2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

Super AMOLED

Dynamic AMOLED

Screen-to-body:

74.55 %

86.06 %

Colors:

16 777 216

Peak brightness:

1300 cd/m2 (nit)

Features:

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

120Hz refresh rate (adaptive), HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 7885

Qualcomm Snapdragon 888

Processor:

Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Mali-G71 MP2

Adreno 660

RAM:

6GB LPDDR4

8GB LPDDR5

Internal storage:

128GB

128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo), Samsung One UI

Android (11), Samsung One UI

Battery

Capacity:

3300 mAh

4000 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Triple camera

Main camera:

24 MP (PDAF, CMOS image sensor)

12 MP (OIS, PDAF)

Specifications:

F1.7; 26 mm; 1/2.8"; 0.9 μm

F1.8; 26 mm; 1/1.76"; 1.8 μm

Second camera:

8 MP (Ultra-wide, Autofocus, CMOS image sensor, BSI sensor)

64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.4; Focal Length: 18 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

5 MP (Depth information)

12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

1920x1080 (Full HD) (30 fps)

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Hyperlapse, EIS, Video calling, Video sharing

OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

24 MP (Flash)

10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.29 x 3.02 x 0.30 inches (159.8 x 76.8 x 7.5 mm)

5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

5.93 oz (168.0 g)

6.03 oz (171.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 3); Frame: Plastic

Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)

2D Face unlock, Ultrasonic in-screen fingerprint

Features:

Notification light

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Black, Gold, Pink, Blue

Phantom pink, Violet, Gray, White

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

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

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

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

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

SIM type:

Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

No 3.5mm jack

Speakers:

Earpiece, Loudspeaker

Earpiece, Multiple speakers

Features:

Album art cover, Background playback, Dolby Atmos

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share

Radio:

FM

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

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

802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0

Type-C (reversible), USB 3.2

Features:

Mass storage device, Charging

Charging, Headphones port, OTG, Video out

Location:

GPS, A-GPS, Glonass, BeiDou

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), Barometer

Other:

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

NFC, ANT+

Hearing aid compatible:

M3, T3

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Sep 13, 2018

Dec 08, 2020

FCC ID value:

A3LSMA750FN link

A3LSMG991U link

Measured SAR:

Head:

0.50 W/kg

0.36 W/kg

Body:

0.39 W/kg

1.08 W/kg

Simultaneous Transmission:

1.59 W/kg

3.96 W/kg

Wireless Router:

1.05 W/kg

1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 800

In The Box:

Charger, microUSB cable, Headphones, SIM Removal Tool, Documentation

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Sep 20, 2018

Jan 14, 2021