Samsung Galaxy A20 (SM-A205G) vs Samsung Galaxy A51 (SM-A515F/DSM 64GB)

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Side by side comparison between Samsung Galaxy A20 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

1/4/2020 6:31 PM, updated: 12/18/2022 10:07 AM

Compare Samsung Galaxy A51 X Samsung Galaxy A20 (SM-A205G) 04Points

Specifications Compare Models Pictures

6.4"
AMOLED

720x1560

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

17Points Samsung Galaxy A51 (SM-A515F/DSM 64GB) Compare Samsung Galaxy A20 X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 64GB)

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!

4 Advantages Samsung Galaxy A20 (SM-A205G)	vs	17 Advantages Samsung Galaxy A51 (SM-A515F/DSM 64GB)
+169 grams (5.92 ounces)2% Lighter	vs	172 grams (6.02 ounces)
+7.8 millimeters (0.31 inches)1% Thinner	vs	7.9 millimeters (0.31 inches)
+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
1.6GHz 64bit Octa-core (14nm)	vs	+2.3GHz 64bit Octa-core (10nm)53% More powerful processor, you can open your applications faster
3GB LPDDR4X	vs	+4GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB available)	vs	+64GB (48GB available)129% More internal storage for applications and files
720x1560 pixels	vs	+1080x2400 pixels131% Higher resolution screen
268 PPI	vs	+405 PPI51% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.4"	vs	+6.5"2% Larger screen
(dual camera) 13MP + 5MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP3 times Higher resolution main camera
(front) 8MP	vs	+(front) 32MP3 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 11	vs	+Android 13Advantage Android 13 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+ANT+Advantage Sensors help you use the device
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

28 Common items in both devices

eMMC 5.1

Until 1TB microSD, microSDXC

Plastic body, glass front

Super AMOLED

60Hz

16 million

LED flash

+21 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 A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Change model		Choose the model
Model	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Other model names	Galaxy A20 SM-A205G Single-sim, SM-A205GZKLTCE	Samsung Galaxy A51 SM-A515F/DSM
Country or region available	(Latin America), Argentina, Mexico	Kazakhstan, Russia
Brand	Samsung	Samsung
Release date	4/5/2019, Announced: 3/19/2019	12/16/2019, Announced: 12/12/2019
Depth	7.8 millimeters (0.31 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	74.7 x 158.4 millimeters (2.94 x 6.24 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	169 grams (5.92 ounces)	172 grams (6.02 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.4" inches	6.5" inches
Screen-to-body ratio	~85% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	720x1560 pixels (19.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	268 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	Not supported	Always-On Display
🤖 Operating System
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
System version	Android 9.0 Pie	Android 10
Firmware update	Android 11	Android 13
User Interface	One UI 2.5 / 3.1	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Chipset	64bit: Samsung Exynos 7884 (14nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 2x 1.6GHz ARM Cortex-A73 (Dual-core) 6x 1.35GHz ARM Cortex-A53 (Hexa-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-G71 MP2 (770MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	AnTuTu: 122778 (v9)	AnTuTu: 113051 (v7), 175363 (v8) Geekbench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
RAM memory	3GB LPDDR4X	4GB LPDDR4X
Internal storage	32GB (21GB available) eMMC 5.1	64GB (48GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
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	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (Bands 38, 40, 41)	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Back camera (main camera)	(dual camera) 13 megapixels 5MP ultrawide f/2.212mm	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm
Main camera resolution	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	28mm lens	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Front camera (secondary)	8 megapixels	32 megapixels
Front camera resolution	3264x2448 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Sensors	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	4000 mAh
Charger, watts	15W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	26 hours (1.1 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
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: Black, Deep Blue, Red, Coral Orange	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Galaxy A20 (SM-A205G)	Galaxy A51 (SM-A515F/DSM 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.32W/kg (head), 0.46W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.369W/kg (head), 1.59W/kg (body)