OnePlus 5 (128GB) vs Samsung Galaxy A51 (SM-A515F/DSN)

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Side by side comparison between OnePlus 5 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 OnePlus 5 (128GB) 13Points

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

16
MP

16mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

12Points Samsung Galaxy A51 (SM-A515F/DSN) Compare OnePlus 5 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? OnePlus 5 (128GB)

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!

13 Advantages OnePlus 5 (128GB)	vs	12 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
+2.45GHz 64bit Octa-core (10nm)22% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+153 grams (5.36 ounces)12% Lighter	vs	172 grams (6.02 ounces)
+7.25 millimeters (0.29 inches)9% Thinner	vs	7.9 millimeters (0.31 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+f/1.7 (aperture)18% 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
+20W33% 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.	vs	15W
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
401 PPI	vs	+405 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.5"18% Larger screen
(dual camera) 16MP + 20MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP95% Higher resolution main camera
1/2.8" inches	vs	+1/2" inches40% 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 10	vs	+Android 13Advantage Android 13 is newer and safer
Not supported	vs	+ANT+Advantage Sensors help you use the device
3300 mAh	vs	+4000 mAh21% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general

31 Common items in both devices

128GB (115GB available) / 128GB (107GB available)

Optic AMOLED / Super AMOLED

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

4K UHD (3840x2160)

+24 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
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Change model		Choose the model
Model	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Other model names	OnePlus 5 A5000 8GB RAM, One Plus 5	Samsung Galaxy A51 SM-A515F/DSN
Country or region available	(Global, International), Canada, USA, (Europe), Hong Kong, India, Taiwan	(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
Brand	OnePlus	Samsung
Release date	6/1/2017	12/16/2019, Announced: 12/12/2019
Depth	7.25 millimeters (0.29 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	74.1 x 154.2 millimeters (2.92 x 6.07 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	153 grams (5.36 ounces)	172 grams (6.02 ounces)
Build, materials	Aluminum body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Display type	Optic AMOLED	Super AMOLED
Screen size	5.5" inches	6.5" inches
Screen-to-body ratio	~73% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Always-On Display
🤖 Operating System
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
System version	Android 7.1.1 Nougat	Android 10
Firmware update	Android 10	Android 13
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Chipset	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (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 540 (670-710MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
RAM memory	8GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (115GB available) UFS 2.1	128GB (107GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (38, 39, 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, CDMA2000 EV-DO Rev 0, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
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
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Back camera (main camera)	(dual camera) 16 megapixels 20MP standard f/2.636mm1/2.8"1.0µm1.6x-optical-zoomAF	(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	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.7 (aperture)	f/2.0 (aperture)
Focal length	24mm (lens)	26mm (lens)
Sensor size	1/2.8" inches	1/2" inches
Pixel size	1.12µm 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	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	OnePlus 5 (128GB)	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	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	20mm (lens)	26mm (lens)
Sensor size	1/3.1" inches	1/2.8" inches
Pixel size	1µm pixel	0.8µm pixel
🔉 Sound and multimedia
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM (RDS)
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
	OnePlus 5 (128GB)	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	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	4000 mAh
Charger, watts	20W (5V/4A) 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
	OnePlus 5 (128GB)	Galaxy A51 (SM-A515F/DSN)
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: Midnight Black, Slate Gray, Soft Gold • LED notification (RGB) • Oxygen OS 4.5.8 • 2.5D curved glass • Dirac HD sound • Dash Charge • Sony IMX 398 back camera • Sony IMX 371 front camera	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	OnePlus 5 (128GB)	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)