Asus ZenFone 7 Pro vs Samsung Galaxy S21 Ultra 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	9.1
Asus ZenFone 7 Pro	Samsung Galaxy S21 Ultra
Released · Sep 01, 2020	Released · Jan 29, 2021
6.7-inch · 2400x1080px	6.8-inch · 3200x1440px
Triple camera	Quad camera
8GB · 256GB	12GB · 128GB
5000 mAh	5000 mAh
Check prices	Check prices

Design

Dimensions
6.50 x 3.04 x 0.38 inches 165.08 x 77.28 x 9.6 mm	6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump) 165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
Weight
8.11 oz (230.0 g)	8.04 oz (229.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Aurora black, Pastel white	Phantom black, Silver

Display

Size
6.7-inch	6.8-inch
Resolution
2400x1080px, 20:9 ratio, 395 PPI	3200x1440px, 20:9 ratio, 516 PPI
Technology
AMOLED	Dynamic AMOLED
Refresh rate
90Hz	120Hz (adaptable)
Screen-to-body
92.00 %	89.33 %
Peak brightness
700 cd/m2 (nit)	1500 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 865+ SM8250-AB (7 nm)	Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 3100 MHz Kryo 585	Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 650	Adreno 660
RAM
8GB (LPDDR5)	12GB (LPDDR5)
Internal storage
256GB (UFS 3.1)	128GB (UFS 3.1)
Storage expansion
microSDXC up to 2000 GB	not expandable
OS
Android (11, 10), Asus Zen UI	Android (14, 13, 12, 11), One UI

Battery

Capacity
5000 mAh	5000 mAh
Type
	Li - Polymer
Charging
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

Battery Life Estimate

Untested

Browsing

Untested

Video

14h 28min

Gaming

4h 47min

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Camera

Rear
Triple camera, Swivel	Quad camera
Main camera
64 MP (Doubles as a front camera, OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm
Second camera
8 MP (Telephoto, Doubles as a front camera, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 80 mm	12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
12 MP (Ultra-wide, Doubles as a front camera, PDAF) Aperture size: F2.2 Focal Length: 17 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Fourth camera
	10 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Flash
Dual LED	LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) Time-lapse video, Object tracking, Picture-taking during video recording, Video light, EIS	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Video light, EIS
Front
	40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.1, Yes	5.1
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),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C	Type-C, USB 3.2
Hearing aid compatible
	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
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC	NFC, ANT+

Multimedia

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

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n77, n78, SA, NSA	Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 29(700 d)	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)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 3(1800), 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 Pro Cat 19 (1600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A Pro Cat 20 (2000/150 Mbit/s)
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR
	Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg

Buyers information

MSRP
	$ 1200 / € 1399
In The Box
Active case, Transparent case, USB-C to USB-C cable, USB power adapter (30.0 W), Ejector pin (SIM tray needle), Documentation (user guide, warranty card)	C to C Data Cable, Ejection Pin

Availability

Officially announced
Aug 26, 2020	Jan 14, 2021

Alternative variants

with 256GB storage


Internal storage	256GB
Colors	Phantom black
MSRP	$ 1250

with 512GB storage


RAM	16GB
Internal storage	512GB
Colors	Phantom black
MSRP	$ 1380

for Europe


System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	8.01 oz (227.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998B
Measured SAR	Head: 0.16 W/kg Body: 0.72 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 3.86 W/kg

Links

Full specifications
Asus ZenFone 7 Pro Specs	Samsung Galaxy S21 Ultra Specs
PhoneArena Review
Asus ZenFone 7 Pro Review	Samsung Galaxy S21 Ultra Review
User Reviews
Asus ZenFone 7 Pro User Reviews	Samsung Galaxy S21 Ultra User Reviews