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Samsung Galaxy S21 vs Asus ROG Phone 5 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
8.5
Samsung Galaxy S21
9.0
Asus ROG Phone 5
Samsung Galaxy S21 Asus ROG Phone 5
Released · Jan 29, 2021
Released · Apr 26, 2021
6.2-inch
6.8-inch
Triple camera
Triple camera
8GB · 128GB
8GB · 128GB
4000 mAh
6000 mAh
Check prices

Design

Dimensions
5.97 x 2.80 x 0.31 inches
151.7 x 71.2 x 7.9 mm 		6.80 x 3.04 x 0.41 inches
172.8 x 77.2 x 10.29 mm
Weight
6.03 oz (171.0 g) 8.40 oz (238.0 g)
Materials
Back: Plastic
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass 3)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Optical in-screen fingerprint
Features
Touch sensitive control keys
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key, Other
Colors
Phantom pink, Violet, Gray, White Phantom Black, Storm White

Display

Size
6.2-inch 6.8-inch
Resolution
2400x1080px, 20:9 ratio, 424 PPI 2448x1080px, 20.4:9 ratio, 395 PPI
Technology
Dynamic AMOLED AMOLED
Refresh rate
120Hz (adaptive) 144Hz
Screen-to-body
86.06 % 82.12 %
Peak brightness
1300 cd/m2 (nit) 1200 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm) Snapdragon 888 (5 nm)
Processor
Octa-core
1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680 		Octa-core
2840 MHz
Kryo 680
GPU
Adreno 660 Adreno 660
RAM
8GB (LPDDR5) 8GB (LPDDR5)
Internal storage
128GB (UFS 3.0) 128GB (UFS 3.1)
Storage expansion
not expandable not expandable
OS
Android (13, 12, 11), Samsung One UI Android (11), ROG UI

Battery

Capacity
4000 mAh 6000 mAh
Type
Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging Qualcomm Quick Charge 5
Charge speed
Wired: 25.0W
Wireless: 15.0W 		Wired: 65.0W
PhoneArena Battery Tests
Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min
Battery Life Estimate
Untested
Browsing
Untested
Video
13h 2min
Gaming
10h 49min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera Triple camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm 		64 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm 		13 MP (Ultra-wide)
Aperture size: F2.4
Focal Length: 11 mm
Third camera
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Focal Length: 29 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm 		5 MP (Macro)
Aperture size: F2.0
Flash
LED LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS 		7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
HDR, Continuous autofocus, Picture-taking during video recording, EIS
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 24 MP

Connectivity & Features

Bluetooth
5.0 5.2
WLAN
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)
Multiple antennas, MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2 Type-C, USB 3.1
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer Accelerometer, Gyroscope, Compass
Other
NFC, ANT+ NFC

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus aptX, aptX-HD
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording Noise cancellation

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave Bands n1, n3, n7, n8, n20, n28, n38, n41, n77, n78, n79
4G (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), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)
4G (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)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 3(1800), 5(850), 8(900), 9(1700)
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
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

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

MSRP
$ 800 € 799
In The Box
C to C Data Cable, Ejection Pin User guide, warranty card, SIM tray needle, Type-C to C Cable, USB power adapter (65W)

Availability

Officially announced
Jan 14, 2021 Mar 10, 2021

Alternative variants

with 256GB storage
Internal storage 256GB
with 12GB RAM and 256GB storage
RAM 12GB
Internal storage 256GB
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
2900 MHz
1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU Mali G78 MP14
Weight 5.96 oz (169.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 18, 2020
FCC ID value: A3LSMG991B
Measured SAR Head: 0.42 W/kg
Body: 0.94 W/kg
Simultaneous Transmission: 3.96 W/kg
Wireless Router: 1.34 W/kg
Phablet: 2.37 W/kg
with 16GB RAM and 256GB storage
RAM 16GB
Internal storage 256GB
RAM 16GB
Internal storage 512GB
Colors Glossy Black
MSRP € 1199
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