Samsung Galaxy A51 (SM-A515F/DS) vs Samsung Galaxy Note 20 5G (SM-N9810)

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Side by side comparison between Samsung Galaxy A51 vs Samsung Galaxy Note 20 5G phones, differences, pros, cons and full specifications. What's the better?

9/27/2020 8:36 PM, updated: 11/21/2022 8:39 AM

Compare Samsung Galaxy Note 20 5G X Samsung Galaxy A51 (SM-A515F/DS) 06Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

Octa-core

4000
mAh

(Non removable)

24Points Samsung Galaxy Note 20 5G (SM-N9810) Compare Samsung Galaxy A51 X

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

12.2
MP

10mp

8GB
RAM

Octa-core

4300
mAh

(Non removable)

What's the better phone? Samsung Galaxy Note 20 5G (SM-N9810)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

6 Advantages Samsung Galaxy A51 (SM-A515F/DS)	vs	24 Advantages Samsung Galaxy Note 20 5G (SM-N9810)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+172 grams (6.02 ounces)12% Lighter	vs	192 grams (6.72 ounces)
+7.9 millimeters (0.31 inches)5% Thinner	vs	8.3 millimeters (0.33 inches)
+405 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	393 PPI
+(front) 32MP2 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 10MP
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2.3GHz 64bit Octa-core (10nm)	vs	+3.09GHz 64bit Octa-core (7nm)43% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+8GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
128GB (107GB available)	vs	+256GB (221GB available)107% More internal storage for applications and files
eMMC 5.1	vs	+UFS 3.0Advantage Fastest write and read storage.
Not supported	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
6.5"	vs	+6.7"3% Larger screen
(quad camera) 48MP + 12MP + 5MP + 5MP	vs	+(triple camera) 12.2MP + 64MP + 12MP26% Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/2" inches	vs	+1/1.76" inches14% The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 600 Mbps	vs	+(5G SA/NSA) 5000 Mbps7 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
4000 mAh	vs	+4300 mAh8% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+25W67% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Not supported	vs	+Qi wireless charging (Qi/PMA)Advantage Wireless charging is another way to charge the battery.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

26 Common items in both devices

Plastic body, glass front

Super AMOLED / Super AMOLED Plus

60Hz

16 million

1080x2400 pixels

LED flash

PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras

+19 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Change model		Choose the model
Model	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Other model names	Samsung Galaxy A51 SM-A515F/DS	Galaxy Note20 SM-N9810 (Snapdragon)
Country or region available	(Latin America)	China, Hong Kong, Taiwan
Brand	Samsung	Samsung
Release date	12/16/2019, Announced: 12/12/2019	8/21/2020, Announced: 8/5/2020
Depth	7.9 millimeters (0.31 inches)	8.3 millimeters (0.33 inches)
Size (width x height)	73.6 x 158.5 millimeters (2.9 x 6.24 in)	75.2 x 161.6 millimeters (2.96 x 6.36 in)
Weight	172 grams (6.02 ounces)	192 grams (6.72 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Display type	Super AMOLED	Super AMOLED Plus
Screen size	6.5" inches	6.7" inches
Screen-to-body ratio	~87.4% (screen-to-body ratio)	~89.2% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	405 PPI	393 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Always-On Display	HDR10+ Always-On Display
🤖 Operating System
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
System version	Android 10	Android 10
Firmware update	Android 13	Android 13
User Interface	One UI 2.5 / 3.1 / 4.1 / 5.0	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Chipset	64bit: Samsung Exynos 9611 (10nm)	64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)	Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controller	ARM Mali-G72 MP3 (850MHz)	Qualcomm Adreno 650 (250-646MHz)
Performance (benchmark)	AnTuTu: 113051 (v7), 175363 (v8) Geekbench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
RAM memory	4GB LPDDR4X	8GB LPDDR5
Internal storage	128GB (107GB available) eMMC 5.1	256GB (221GB available) UFS 3.0
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/150 Mbps	5000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (41, 78, 79)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Back camera (main camera)	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm	(triple camera) 12.2 megapixels 64MP telephoto f/2.027mm1/1.72"0.8µmPDAFOIS3x-hybrid-zoom 12MP ultrawide f/2.2120°13mm1/2.55"1.4µm
Main camera resolution	8000x6000 pixels	4032x3024 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 24 fps
Flash	LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2" inches	1/1.76" inches
Pixel size	0.8µm pixel	1.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	4K@60fps 1080p@240fps 720p@960fps
📸 Front camera
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Front camera (secondary)	32 megapixels	10 megapixels
Front camera resolution	6528x4896 pixels	3872x2592 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2.8" inches	1/3.2" inches
Pixel size	0.8µm pixel	1.22µm pixel
🔉 Sound and multimedia
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Loudspeaker	Supported	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4000 mAh	4300 mAh
Charger, watts	15W Wired fast charging	25W Wired fast charging USB Power Delivery 3.0
Inductive / wireless charging	Not supported	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Prism, Crush Black, White, Blue, Pink	• Colors: Mystic Gray, Mystic Green, Mystic Bronze, Mystic Red, Mystic Blue • Ultrasonic fingerprint sensor • Bixby • Samsung Wireless DeX • Samsung Pay (MST, NFC) • Stylus pen (Bluetooth integration)
☢️ Radiation rate
	Galaxy A51 (SM-A515F/DS)	Galaxy Note 20 5G (SM-N9810)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.369W/kg (head), 1.59W/kg (body)	0.846W/kg (head), 1.513W/kg (body)