Compare Samsung Galaxy S21 Ultra vs Samsung Galaxy S20 vs ASUS ZenFone 6
Variants
International
USA / China
Connectivity
Ports
USB-C 3.2
USB-C 2.0 + 3.5mm audio combo
Wireless Connectivity
WiFi 6, Bluetooth 5, NFC
WiFi, Bluetooth 5.0, NFC, MST
WiFi 5 + Bluetooth 5.0 + NFC
Construction
Battery | Capacity
5000 mAh
4000 mAh
5000 mAh
Camera | Front
40MP Phase Detection AF, FOV 80°, F2.2, 0.7 µm
10MP f/2.2
Motorized flip-up main camera module that doubles as front camera
Camera | Rear
12MP f/2.2 (Ultra-Wide), 12MP f/1.8 (Wide), 64MP f/2.0 PDAF OIS (Tele)
Camera | Rear | Telephoto
10MP Dual Pixel AF, Optical 10x, FOV 10°,OIS, F4.9, 1.22µm + 10MP Dual Pixel AF, Optical 3x, FOV 35°,OIS, F2.4, 1.22µm
Camera | Rear | Ultra-Wide
12MP Dual Pixel AF, FOV 120°, F2.2, 1.4µm
13 MP, f/2.4, 11mm
Camera | Rear | Wide
108MP Phase Detection AF, FOV 83°, OIS, F1.8, 0.8µm
48 MP, f/1.8, 26mm
Colors
Phantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom Red
Twilight Silver, Midnight Black, Matte Black
Material
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass), aluminum frame
Corning Gorilla Glass 6
Dimensions
Bezels
92% screen-to-body ratio
Size | Depth
8.9 mm
7.9 mm
159.1 mm / 6.26 inches
Size | Height
161.5 mm
151.71 mm
9.1 mm / 0.36 inches
Size | Width
75.6 mm
69.1 mm
75.44 mm / 2.97 inches
Weight
227 g
163 g
190 g / 6.7 oz
Display
Aspect Ratio
20:9
Brightness
600 nits
Display Diagonal
6.8 inch
6.2"
6.4 inch
Display Type
Dynamic AMOLED 2X (OLED)
Dynamic AMOLED
IPS
Gamut
96% NTSC, 100% DCI-P3
Pixel Density
515 ppi
Refresh Rate
120 Hz
120 Hz
Resolution
QHD+, 3200x1440
3200 x 1440
FHD+ 2340x1080
Function
Audio
UHQ 32-bit &DSD64/128 support; PCM: Up to 32 bits, DSD: DSD64/128
Bluetooth Profiles
EDR + A2DP + aptX Adaptive
Chipset
7nm 64-bit Octa-Core Processor
Qualcomm SM8150 Snapdragon 855 (7 nm)
Fast Charging
USB PD 3.0 (PPS) certified Fast Charging
18W Quick Charge 4.0 + 10W Reverse Charging
GPS
GPS, Galileo, Glonass, BeiDou, A-GPS
GPS
GPS (Dual bands, L1+L5), GLONASS (G1), BDS (B1), GALILEO (Dual bands, E1+E5a), QZSS (Dual bands, L1+L5)
Graphics
Adreno 640
HDR
HDR10+ certified
HDR10
Operating System
Android 11
Android with ZenUI
Processor
Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
SIM
Single or dual Nano SIM, 5G
1x or 2x Nano SIM
Dual 4G
Security
Ultrasonic Fingerprint, Face recognition
Sensor
Ultrasonic Fingerprint sensor, Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor Proximity sensor, Ambient Light Sensor
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Touch Screen
Capacitive touch panel with 10 points multi-touch
Tuner
FM Radio
Variable Framerate
10~120Hz
Video Recording
4K 60fps / FHD 240fps / HD 480fps gyro-EIS
Weather Resistance
IP68
Wireless Charging
Fast Wireless Charging 2.0
Fast Wireless Charging 2.0
Performance
Memory | Capacity
12 or 16 GB
12 GB (5G); 8GB (LTE)
6 / 8 GB
Memory | Type
LPDDR5
Sample Rate
120 Hz
Storage
128, 256, or 512 GB UFS 3.X
128 GB
Up to 256GB UFS2.1 + microSD
Production
Accessory
Digitizer: S Pen, sold separately
Debut
2021-01-14 (Galaxy Unpacked 2021)
2020-02-12
2019-05
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