Motorola Moto X4 (XT1900-05) vs Samsung Galaxy A51 (SM-A515F/DSN)

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Side by side comparison between Motorola Moto X4 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

1/4/2020 2:03 PM, updated: 11/21/2022 8:39 AM

Compare Samsung Galaxy A51 X Motorola Moto X4 (XT1900-05) 07Points

Specifications Compare Models Pictures

5.2"
IPS

1080x1920

12
MP

16mp

3GB
RAM

Octa-core

3000
mAh

(Non removable)

16Points Samsung Galaxy A51 (SM-A515F/DSN) Compare Motorola Moto X4 X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

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

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!

7 Advantages Motorola Moto X4 (XT1900-05)	vs	16 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
+2.2GHz 64bit Octa-core2% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+163 grams (5.71 ounces)6% Lighter	vs	172 grams (6.02 ounces)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+424 PPI5% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	405 PPI
+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light	vs	LED flash
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
3GB LPDDR4	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (17GB available)	vs	+128GB (107GB available)5 times More internal storage for applications and files
eMMC	vs	+eMMC 5.1Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
8 millimeters (0.31 inches)	vs	+7.9 millimeters (0.31 inches)1% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
5.2"	vs	+6.5"25% Larger screen
(dual camera) 12MP + 8MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP3 times Higher resolution main camera
1/2.55" inches	vs	+1/2" inches28% The larger sensor camera lets you take photos with better depth.
(front) 16MP	vs	+(front) 32MP101% Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 9.0 Pie	vs	+Android 13Advantage Android 13 is newer and safer
Not supported	vs	+ANT+Advantage Sensors help you use the device
3000 mAh	vs	+4000 mAh33% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.

29 Common items in both devices

60Hz

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

f/2.0 (aperture)

+22 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
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Change model		Choose the model
Model	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Other model names	Lenovo Moto X4 XT1900 32GB, Motorola Moto X 2017	Samsung Galaxy A51 SM-A515F/DSN
Country or region available	(Europe)	(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
Brand	Motorola	Samsung
Release date	10/1/2017	12/16/2019, Announced: 12/12/2019
Depth	8 millimeters (0.31 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	73.4 x 148.35 millimeters (2.89 x 5.84 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	163 grams (5.71 ounces)	172 grams (6.02 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.2" inches	6.5" inches
Screen-to-body ratio	~68.5% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	424 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	Not supported	Always-On Display
🤖 Operating System
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
System version	Android 7.1.1 Nougat	Android 10
Firmware update	Android 9.0 Pie	Android 13
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Chipset	64bit: Qualcomm Snapdragon 630 SDM630 (14nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 508 650Mhz	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
RAM memory	3GB LPDDR4	6GB LPDDR4X
Internal storage	32GB (17GB available) eMMC	128GB (107GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
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	600/150 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 Cat12 700/800/850/900/1700/1800/2100/2600 (Bands 1,3,4,5,7,8,20,28) TD-LTE 2300/2500/2600 (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, LTE-A	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
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Back camera (main camera)	(dual camera) 12 megapixels 8MP ultrawide f/2.213mm	(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	4000x3000 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED on main camera and LED on front camera	LED flash
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/2.55" inches	1/2" inches
Pixel size	1.4µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection 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
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Front camera (secondary)	16 megapixels	32 megapixels
Front camera resolution	4608x3456 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	LED	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/3.1" inches	1/2.8" inches
Pixel size	1µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
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.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
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 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO 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, GALILEO	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (front-mounted) Gyroscope 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
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4000 mAh
Charger, watts	15W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
Call control	Voice dialing, Voice recorder, Voice commands	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: Super Black, Sterling Blue, Silver • Android One • 3D glass back panel • TurboPower charging: 6h in 15min	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Moto X4 (XT1900-05)	Galaxy A51 (SM-A515F/DSN)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.369W/kg (head), 1.59W/kg (body)