OnePlus 5 vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of OnePlus 5 and Samsung Galaxy A51 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

OnePlus 5 vs. Samsung Galaxy A51 5G Comparison Chart
DESIGN AND DIMENSIONS OnePlus 5 Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A516B/DS
Form Factor Touch Touch
Height 154.2 mm 158.9 mm Samsung Galaxy A51 5G has greater height than OnePlus 5.
Width 74.1 mm 73.6 mm OnePlus 5 has greater width than Samsung Galaxy A51 5G.
Depth 7.25 mm 8.7 mm OnePlus 5 is narrower than OnePlus 5.
Weight 153 g 187 g OnePlus 5 is lighter than OnePlus 5.
Body Colour Midnight black | Slate grey Prism cube black | Prism cube white
Body Material Anodised aluminium -
Waterproof (Water-resistant) - -
SAR Value 1.19 W/kg (body), 1.37 W/kg (head) 1.555 W/kg (body), 0.496 W/kg (head)
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 Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY OnePlus 5 Samsung Galaxy A51 5G
Display Type OLED display OLED display
Display Technology Optic AMOLED Infinity-O Super AMOLED
Screen Size (Display Size) 5.5" 6.5" Samsung Galaxy A51 5G has larger screen size than OnePlus 5.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 5G has better screen resolution than OnePlus 5.
Display Format Full HD Full HD+
Pixel Density 401 ppi -
Colour Depth - 16.7 million colours
Display Features Night Display Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR OnePlus 5 Samsung Galaxy A51 5G
Processor Type (CPU) Qualcomm Snapdragon 835 -
Processor Number MSM8998 -
Clock Speed 2.45 GHz 2.2 GHz OnePlus 5 has higher clock speed than Samsung Galaxy A51 5G.
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 540 -
MEMORY OnePlus 5 Samsung Galaxy A51 5G
RAM LPDDR4X SDRAM - 6 GB 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy A51 5G has more internal memory than OnePlus 5.
User Memory - 105.3 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 1 TB
CAMERA OnePlus 5 Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 20 Megapixel 48 Megapixel Samsung Galaxy A51 5G has better camera resolution than OnePlus 5.
Sensor Name Sony Exmor RS IMX350 sensor -
Lens Aperture F/2.6 F/2.0 Samsung Galaxy A51 5G has better lens aperture than OnePlus 5.
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Special Effects Portrait, HDR Bokeh effect
Camera Modes Panorama, Time-lapse mode, Pro mode, RAW mode Slow motion video
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 120 fps 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) Electronic Image Stabiliser (EIS) Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 16 Megapixel 12 Megapixel OnePlus 5 has better second camera resolution than Samsung Galaxy A51 5G.
Lens Type (2nd Camera) Wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/1.7 F/2.2 OnePlus 5 has better second camera lens aperture than OnePlus 5.
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) 16 Megapixel 32 Megapixel Samsung Galaxy A51 5G has better front camera resolution than OnePlus 5.
Sensor Name (Front) Sony Exmor RS IMX371 sensor -
Lens Aperture (Front) F/2.0 F/2.2 OnePlus 5 has better front lens aperture than OnePlus 5.
Focus Adjustment Focus free Focus free
Special Effects (Front) HDR -
Face Recognition (Face ID) Smile Capture - OnePlus 5 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Front) Electronic Image Stabiliser (EIS) -
BATTERY AND CHARGING OnePlus 5 Samsung Galaxy A51 5G
Battery Capacity (Battery Size) 3300 mAh 4500 mAh Samsung Galaxy A51 5G has larger battery capacity than OnePlus 5.
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
Battery Technology Lithium polymer -
CELLULAR OnePlus 5 Samsung Galaxy A51 5G
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy A51 5G has more advanced generation mobile network.
Operating System OxygenOS (based on Android Nougat) -
Intelligent Assistant - Bixby
Navigation GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 5 Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 66 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 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 IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 5 Samsung Galaxy A51 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, IMY, MID, AMR-WB, AMR-NB, apt-X HD 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, MOV, MPEG-4, WMV, 3GP, TS, WebM, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dirac Power Sound technology, Dirac HD Sound -
FEATURES OnePlus 5 Samsung Galaxy A51 5G
Phone Functions Speakerphone, call timer, conference call, flight mode, 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 Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features MIMO technology, Android Sensor Hub, Three microphones with noise-cancellation, Dash Charge technology Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS OnePlus 5 Samsung Galaxy A51 5G
Included Accessories Power adapter, SIM card removal tool, screen protector, USB-C cable Power adapter
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