Samsung Galaxy A51 vs Asus ZenFone 7 Pro 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.

7.0
Samsung Galaxy A51
8.0
Asus ZenFone 7 Pro
Samsung Galaxy A51 Asus ZenFone 7 Pro
Released · Dec 27, 2019
Released · Sep 01, 2020
6.5-inch · 2400x1080px
6.7-inch · 2400x1080px
Quad camera
Triple camera
4GB · 128GB
8GB · 256GB
4000 mAh
5000 mAh
Check prices Check prices

Design

Dimensions
6.24 x 2.90 x 0.31 inches
158.5 x 73.6 x 7.9 mm
6.50 x 3.04 x 0.38 inches
165.08 x 77.28 x 9.6 mm
Weight
6.07 oz (172.0 g) 8.11 oz (230.0 g)
Materials
Back: Plastic
Frame: Plastic
Back: Glass (Corning Gorilla Glass 3)
Frame: Aluminum
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue Aurora black, Pastel white

Display

Size
6.5-inch 6.7-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI 2400x1080px, 20:9 ratio, 395 PPI
Technology
Super AMOLED AMOLED
Refresh rate
60Hz 90Hz
Screen-to-body
87.37 % 92.00 %
Peak brightness
700 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm) Qualcomm Snapdragon 865+ SM8250-AB (7 nm)
Processor
Octa-core
2300 MHz
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
Octa-core
3100 MHz
Kryo 585
GPU
Mali-G72 MP3 Adreno 650
RAM
4GB (LPDDR4) 8GB (LPDDR5)
Internal storage
128GB, available to use: 105.9 GB 256GB (UFS 3.1)
Storage expansion
microSDXC up to 512 GB microSDXC up to 2000 GB
OS
Android (11, 10), Samsung One UI Android (11, 10), Asus Zen UI

Battery

Capacity
4000 mAh 5000 mAh
Type
Li - Polymer
Charging
Fast charging Qualcomm Quick Charge 4, USB Power Delivery
Charge speed
Wired: 30.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
14h 28min
Gaming
4h 47min

Camera

Rear
Quad camera Triple camera, Swivel
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
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
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
8 MP (Telephoto, Doubles as a front camera, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 80 mm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
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
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Hyperlapse, EIS
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
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.1, Yes
WLAN
802.11 a,b,g,n,ac,dual-band
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, USB 2.0 Type-C
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)
Other
NFC, ANT+ NFC

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Dolby Atmos aptX
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation, Video recording

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n77, n78, SA, NSA
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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) 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)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(800), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 19 (1600/150 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: Nov 28, 2019
FCC ID value: A3LSMA515FN
Measured SAR
Head: 0.89 W/kg
Body: 1.18 W/kg
Simultaneous Transmission: 1.56 W/kg
Wireless Router: 1.12 W/kg
Phablet: 2.76 W/kg

Buyers information

MSRP
$ 400
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)

Availability

Officially announced
Dec 12, 2019 Aug 26, 2020

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
for Verizon
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for AT&T
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Sprint
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Europe
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless