Samsung Galaxy S21 vs Asus ROG Phone 3 Strix Edition vs Samsung Galaxy S21+

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

Display

Size:

6.2 inches
6.6 inches
6.7 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 424 PPI
2340 x 1080 pixels, 19.5:9 ratio, 391 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI

Technology:

Dynamic AMOLED
AMOLED
Dynamic AMOLED

Screen-to-body:

86.06 %
79.98 %
88.63 %

Peak brightness:

1300 cd/m2 (nit)
1000 cd/m2 (nit)
1300 cd/m2 (nit)

Features:

120Hz refresh rate (adaptive), HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
144Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), 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:

Qualcomm Snapdragon 888
Qualcomm Snapdragon 865+ SM8250
Qualcomm Snapdragon 888

Processor:

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 3090 MHz, Kryo 585, 64-bit, 7 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 660
Adreno 650
Adreno 660

RAM:

8GB LPDDR5
8GB LPDDR5
8GB LPDDR5

Internal storage:

128GB (UFS 3.0), not expandable
256GB (UFS 3.1), not expandable
128GB (UFS 3.0), not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

4000 mAh
6000 mAh
4800 mAh

Type:

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

Battery life test results:

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4, USB Power Delivery
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
Wired: 30.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Triple camera
Triple camera
Triple camera

Main camera:

12 MP (OIS, PDAF)
64 MP (PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; 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:

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

Specifications:

Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F2.4; Focal Length: 11 mm
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)
5 MP (Macro)
12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.0
Aperture size: F1.8; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 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
HDR, Time-lapse video, Hyperlapse, Picture-taking during video recording, EIS
OIS, HDR, Hyperlapse, Video light, EIS

Front:

10 MP (PDAF, HDR)
24 MP
10 MP (PDAF, HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)
6.73 x 3.07 x 0.39 inches (171 x 78 x 9.85 mm)
6.35 x 2.98 x 0.31 inches (161.5 x 75.6 x 7.8 mm)

Weight:

6.03 oz (171.0 g)
8.47 oz (240.0 g)
7.13 oz (202.0 g)

Materials:

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

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint
In-screen fingerprint
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:

Phantom pink, Violet, Gray, White
Black glare
Phantom silver, Black, Violet

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
n1, n2, n3, n5, n28, n41, n66, n71, n77, n78, n79
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

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)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 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), 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)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 20 (2000/150 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

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack
No 3.5mm jack

Speakers:

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

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS
FM

Additional microphone(s):

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

Connectivity & Features

Bluetooth:

5.0
5.1
5.0

Wi-Fi:

802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, 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 3.2
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.2

Features:

Charging, Headphones port, OTG, Video out
Charging, Headphones port, OTG, Video out
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, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

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

Other:

NFC, ANT+
NFC
NFC, ANT+

Hearing aid compatible:

M3, T3
M3, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 08, 2020
Dec 18, 2020

FCC ID value:

A3LSMG991U link
A3LSMG996U link

Measured SAR:

Head:

0.36 W/kg
0.65 W/kg

Body:

1.08 W/kg
0.95 W/kg

Simultaneous Transmission:

3.96 W/kg
1.59 W/kg

Wireless Router:

1.09 W/kg
1.04 W/kg

Phablet:

2.49 W/kg
3.97 W/kg

Buyers information

Price:

$ 800
$ 1000

In The Box:

C to C Data Cable, Ejection Pin
Documentation, Ejector pin, Type-C cable, USB power adapter (30.0 W)
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Jan 14, 2021
Jul 22, 2020
Jan 14, 2021
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