ASUS ZenFone 3 (ZE520KL) vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Samsung Galaxy A51 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

ASUS ZenFone 3 (ZE520KL) vs. Samsung Galaxy A51 5G Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL SM-A516B/DS
Form Factor Touch Touch
Height 146.87 mm 158.9 mm Samsung Galaxy A51 5G has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 73.6 mm ASUS ZenFone 3 (ZE520KL) has greater width than Samsung Galaxy A51 5G.
Depth 7.69 mm 8.7 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 187 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Prism cube black | Prism cube white
Body Material Metal, glass -
Waterproof (Water-resistant) - -
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 1.555 W/kg (body), 0.496 W/kg (head)
Integrated Components FM radio -
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM (SIM1 and SIM2/MicroSD slots) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD Nano SIM + nano SIM/microSD
DISPLAY ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Display Type LCD display OLED display
Display Technology Super IPS+ Infinity-O Super AMOLED
Screen Size (Display Size) 5.2" 6.5" Samsung Galaxy A51 5G has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 5G has better screen resolution than ASUS ZenFone 3 (ZE520KL).
Display Format Full HD Full HD+
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features ASUS Glove Touch technology, 2.5D curved glass Edge-to-Edge screen
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Processor Type (CPU) Qualcomm Snapdragon 625 -
Clock Speed 2 GHz 2.2 GHz Samsung Galaxy A51 5G has higher clock speed than ASUS ZenFone 3 (ZE520KL).
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 -
MEMORY ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
RAM 3 GB 6 GB Samsung Galaxy A51 5G has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 128 GB Samsung Galaxy A51 5G has more internal memory than ASUS ZenFone 3 (ZE520KL).
User Memory - 105.3 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 1 TB
CAMERA ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 48 Megapixel Samsung Galaxy A51 5G has better camera resolution than ASUS ZenFone 3 (ZE520KL).
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Lens Construction 6-element -
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) - ASUS ZenFone 3 (ZE520KL) has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Digital Zoom - 8x
Special Effects Depth of field Bokeh effect
HDR Mode Auto HDR mode -
Camera Modes Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode Slow motion video
Light Source Dual LED flash LED flash
Video Resolutions 3840 x 2160 (4K) Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 32 Megapixel Samsung Galaxy A51 5G has better front camera resolution than ASUS ZenFone 3 (ZE520KL).
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL).
Focus Adjustment - Focus free
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama -
Camera Features (Front) PixelMaster camera -
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Battery Capacity (Battery Size) 2650 mAh 4500 mAh Samsung Galaxy A51 5G has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Talk Time - 1380 minutes
Run Time Details - Talk (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
CELLULAR ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy A51 5G has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) -
User Interface ASUS ZenUI 3.0 -
Intelligent Assistant - Bixby
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band - N41, n78
5G NR Frequency - TDD TD 2500, TDD TD 3500
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 4.2 Bluetooth 5.0
NFC - Yes Samsung Galaxy A51 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Supported Digital Audio Standards - WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards - MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS ASUS ZenFone 3 (ZE520KL) Samsung Galaxy A51 5G
Included Accessories Power adapter Power adapter
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