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.

8.5
Samsung Galaxy S21
Samsung Galaxy S21 Asus ROG Phone 5
Released · Jan 29, 2021
Released · Apr 26, 2021
6.2-inch · 2400x1080px
6.8-inch · 2448x1080px
Triple camera
Triple camera
8GB · 128GB
8GB · 128GB
4000 mAh
6000 mAh
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Availability

Officially announced
Jan 14, 2021 Mar 10, 2021
Prices (MSRP)
$800 €799
16GB/512GB - $1199

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
Europe version - 169 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, 86.06% screen-to-body 6.8-inch, 82.12% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1300 nits AMOLED, 144Hz, HDR, 1200 nits
Resolution
2400x1080px, 20:9 ratio, 424 PPI 2448x1080px, 20.4:9 ratio, 395 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass Victus
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.2 (Good) 4.9 (Poor)

Hardware

System chip
Snapdragon 888 (5 nm)
Europe version - Exynos 2100 S5E9840
Snapdragon 888 (5 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Europe version - Octa-core, 1x2.91GHz Cortex-X1, 3x2.81G​Hz Cortex-A78, 4x2.2G​Hz Cortex-A55
Octa-core
2840 MHz
Kryo 680
GPU
Adreno 660
Europe version - Mali-G78 MP14
Adreno 660
Memory
8GB (LPDDR5)/128GB (UFS 3.0)
8GB/256GB
8GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/256GB
16GB/512GB
Storage expansion
not expandable not expandable
OS
Android (13, 12, 11) Android (11)

Battery

Type
4000 mAh, Li - Polymer 6000 mAh
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

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
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps), 720p (480 fps)
HDR, Continuous autofocus, Picture-taking during video recording, EIS
Front
10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
24 MP

Connectivity & Features

Bluetooth
5.0 5.2
WLAN
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
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
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
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
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n3, n7, n8, n20, n28, n38, n41, n77, n78, n79
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28
TDD Bands
38, 39, 40, 41, 46, 48 34, 38, 39, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 8 1, 2, 3, 5, 8, 9
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

Alternative variants

with 256GB storage
Memory 256GB
with 12GB RAM and 256GB storage
Memory 12GB/256GB
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
2900 MHz
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz 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
Memory 16GB/256GB
Memory 16GB/512GB
Colors Glossy Black
Prices (MSRP) €1199
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