Asus ROG Phone 3 vs Samsung Galaxy S21+ 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.

8.0
Asus ROG Phone 3
8.5
Samsung Galaxy S21+
Asus ROG Phone 3 Samsung Galaxy S21+
Released · Jul 23, 2020
Released · Jan 29, 2021
6.6-inch
6.7-inch
Triple camera
Triple camera
12GB · 128GB
8GB · 128GB
6000 mAh
4800 mAh
Check prices

Availability

Officially announced
Jul 22, 2020 Jan 14, 2021
Prices (MSRP)
$1000

Design

Dimensions
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
8.47 oz (240.0 g) 7.13 oz (202.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3)
Frame: Aluminum
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Optical in-screen fingerprint 2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black glare Phantom silver, Black, Violet

Display

Size
6.6-inch, 79.98% screen-to-body 6.7-inch, 88.63% screen-to-body
Type
AMOLED, 144Hz, HDR, 1000 nits Dynamic AMOLED, 120Hz, HDR, 1300 nits
Resolution
2340x1080px, 19.5:9 ratio, 391 PPI 2400x1080px, 20:9 ratio, 393 PPI
Protection
Corning Gorilla Glass 6 Corning Gorilla Glass Victus

Hardware

System chip
Snapdragon 865+ SM8250 (7 nm) Snapdragon 888 (5 nm)
Processor
Octa-core
3090 MHz
Kryo 585
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
GPU
Yes Adreno 660
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
12GB/512GB
16GB/512GB
8GB (LPDDR5)/128GB (UFS 3.0)
8GB/256GB
Storage expansion
not expandable not expandable
OS
Android (11, 10) Android (13, 12, 11)

Battery

Type
6000 mAh 4800 mAh, Li - Polymer
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
Charge speed
Wired: 30.0W Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
10h 41min
Gaming
7h 48min
Battery Life Estimate
5h 26min
Browsing
10h 50min
Video
8h 27min
Gaming
8h 36min

Camera

Rear
Triple camera Triple camera
Main camera
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm
Second camera
13 MP (Ultra-wide)
Aperture size: F2.4
Focal Length: 11 mm
12 MP (Ultra-wide, PDAF)
Aperture size: F1.8
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
5 MP (Macro)
Aperture size: F2.0
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Focal Length: 29 mm
Sensor size: 1/2.55"
Pixel size: 0.8 μm
Flash
LED LED
Video recording
8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps), 720p (480 fps)
HDR, Time-lapse video, Hyperlapse, Picture-taking during video recording, EIS
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
Front
24 MP 10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.1 5.0
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.1 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC NFC, ANT+

Multimedia

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

Cellular

5G Bands
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
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
34, 38, 39, 40, 41, 42, 48 38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 6, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, 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: Sep 22, 2020
FCC ID value: MSQI003D
Date approved: Dec 18, 2020
FCC ID value: A3LSMG996U
Measured SAR
Head: 1.15 W/kg
Body: 0.62 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.17 W/kg
Phablet: 3.53 W/kg
Head: 0.65 W/kg
Body: 0.95 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.04 W/kg
Phablet: 3.97 W/kg

Alternative variants

with 256GB storage
Memory 256GB
with 256GB storage
Memory 256GB
Prices (MSRP) $1050
with 512GB storage
Memory 512GB
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 7.05 oz (200.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 18, 2020
FCC ID value: A3LSMG996B
Measured SAR Head: 0.24 W/kg
Body: 0.75 W/kg
Simultaneous Transmission: 3.59 W/kg
Wireless Router: 1.26 W/kg
Phablet: 1.95 W/kg
with 16GB RAM
Memory 16GB/512GB
FCC OKs Cingular\'s purchase of AT&T Wireless