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Samsung Galaxy A70 vs Xiaomi Redmi Note 10 vs Samsung Galaxy S21

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

Comparison mode:

Display

Size:

6.7 inches
6.4 inches
6.2 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 393 PPI
2400 x 1080 pixels, 20:9 ratio, 409 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

Super AMOLED
AMOLED
Dynamic AMOLED

Refresh rate:

120Hz (adaptive)

Screen-to-body:

85.97 %
83.55 %
86.06 %

Peak brightness:

1100 cd/m2 (nit)
1300 cd/m2 (nit)

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 675 SM6150
Qualcomm Snapdragon 678
Qualcomm Snapdragon 888

Processor:

Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm
Octa-core, 2200 MHz, Kryo 460, 64-bit, 11 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 612
Adreno 612
Adreno 660

RAM:

6GB LPDDR4
4GB LPDDR4
8GB LPDDR5

Internal storage:

128GB, available to use: 108.3 GB
64GB (UFS 2.2)
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI
Android (11), MIUI 12 UI
Android (11), Samsung One UI

Battery

Capacity:

4500 mAh
5000 mAh
4000 mAh

Type:

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

Charging:

Samsung Adaptive Fast Charging
Qualcomm Quick Charge 4+
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 33.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Triple camera
Quad camera
Triple camera

Main camera:

PDAF
48 MP (Autofocus)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

8 MP (Ultra-wide)
8 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

5 MP (Depth information)
2 MP (Macro)
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: F2.4
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps)
Yes
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

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

Front:

32 MP
13 MP
10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.47 x 3.02 x 0.31 inches (164.3 x 76.7 x 7.9 mm)
6.32 x 2.93 x 0.33 inches (160.46 x 74.5 x 8.29 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

6.46 oz (183.0 g)
6.31 oz (178.8 g)
6.03 oz (171.0 g)

Materials:

Back: Plastic
Back: Plastic; Frame: Aluminum

Resistance:

Splash; IP53
Water, Dust; IP68

Biometrics:

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

Keys:

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

Colors:

Black, Pink, Blue, White
Onyx Gray, Pebble White, Lake Green
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), 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), 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), 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)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSPA
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker, Multiple speakers
Earpiece, Multiple speakers

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

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

USB:

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

Features:

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

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, SBAS, 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
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

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

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Mar 28, 2019
Jan 26, 2021
Dec 08, 2020

FCC ID value:

A3LSMA705FN
2AFZZK7AG
A3LSMG991U

Measured SAR:

Head:

0.26 W/kg
1.09 W/kg
0.36 W/kg

Body:

0.25 W/kg
1.09 W/kg
1.08 W/kg

Simultaneous Transmission:

0.89 W/kg
1.59 W/kg
3.96 W/kg

Wireless Router:

0.38 W/kg
0.75 W/kg
1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 199
$ 800

In The Box:

25W charger
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Mar 26, 2019
Mar 04, 2021
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless