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Amazon Fire HD 8 (2020) vs Samsung Galaxy Tab A 8.0 (2018) vs Samsung Galaxy S21

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

Comparison mode:

Display

Size:

8.0 inches
8.0 inches
6.2 inches

Resolution:

1280 x 800 pixels, 16:10 ratio, 189 PPI
1280 x 800 pixels, 16:10 ratio, 189 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

IPS LCD
TFT
Dynamic AMOLED

Refresh rate:

120Hz (adaptive)

Screen-to-body:

67.13 %
70.90 %
86.06 %

Peak brightness:

1300 cd/m2 (nit)

Features:

Ambient light sensor
Ambient light sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek MT8168
Qualcomm Snapdragon 425 MSM8917
Qualcomm Snapdragon 888

Processor:

Quad-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm
Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Mali G52 MC1
Adreno 308
Adreno 660

RAM:

2GB
2GB LPDDR3
8GB LPDDR5

Internal storage:

32GB
32GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 1000 GB
microSDXC up to 400 GB

Device type:

Tablet
Tablet
Smartphone

OS:

Android (9.0 Pie), FireOS UI
Android (8.1 Oreo), Samsung Experience UI
Android (11), Samsung One UI

Battery

Capacity:

5000 mAh
4000 mAh

Type:

Li - Ion, 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:

Single camera
Single camera
Triple camera

Main camera:

2 MP
5 MP (Autofocus)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

64 MP (Telephoto, OIS, PDAF)

Specifications:

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

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

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

Video recording:

1280x720 (HD)
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:

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

Front:

2 MP
5 MP
10 MP (PDAF, HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

7.95 x 5.39 x 0.38 inches (202 x 137 x 9.7 mm)
8.13 x 4.99 x 0.35 inches (206.5 x 126.7 x 8.9 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

12.52 oz (355.0 g)
12.64 oz (358.0 g)
6.03 oz (171.0 g)

Materials:

Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

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

Colors:

White, Black, Twilight blue, Plum
Black
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 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c)
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), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

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

Data Speed:

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

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Multiple speakers
Loudspeaker
Earpiece, Multiple speakers

Features:

Dolby Atmos
Album art cover, Background playback
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
4.2
5.0

Wi-Fi:

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

USB:

Type-C (reversible)
microUSB, USB 2.0
Type-C (reversible), USB 3.2

Features:

Charging
Charging, Mass storage device
Charging, Headphones port, OTG, Video out

Location:

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

Sensors:

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

Other:

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

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 08, 2020

FCC ID value:

A3LSMG991U

Measured SAR:

Head:

0.36 W/kg

Body:

1.08 W/kg

Simultaneous Transmission:

3.96 W/kg

Wireless Router:

1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 90
$ 250
$ 800

In The Box:

Product safety warning, Brochure, Quick start guide, Power Adapter, microUSB cable, ejection pin
C to C Data Cable, Ejection Pin

Availability

Officially announced:

May 13, 2020
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless