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Samsung Galaxy A51 5G (SM-A516U) vs Oppo R11 Plus

Side by side comparison between Samsung Galaxy A51 5G vs Oppo R11 Plus phones, differences, pros, cons with full specifications. What's the better?

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Compare Oppo R11 Plus XSamsung Galaxy A51 5G (SM-A516U)23Points
Samsung Galaxy A51 5G (SM-A516U)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4500
mAh

(Non removable)

vs
Oppo R11 Plus
6"
IPS

1080x1920

16
MP

20mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 5G (SM-A516U)

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!

Galaxy A51 5G (SM-A516U)23 Advantages Samsung Galaxy A51 5G (SM-A516U)vsR11 Plus4 Advantages Oppo R11 Plus
+2.2Ghz 64bit Octa-Core5%
More powerful processor, you can open your applications faster
vs2.2Ghz 64bit Octa-Core
+128GB (105GB available)110%
More internal storage for applications and files
vs64GB (50GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+187 grams (6.55 ounces)1%
Lighter
vs188 grams (6.58 ounces)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x2400 pixels25%
Higher resolution screen
vs1080x1920 pixels
+405 PPI10%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs367 PPI
+6.5"8%
Larger screen
vs6"
+(quad camera) 48MP + 12MP + 5MP + 5MP95%
Higher resolution main camera
vs(dual camera) 16MP + 20MP
+1/2" inches40%
The larger sensor camera lets you take photos with better depth.
vs1/2.8" inches
+(front) 32MP60%
Higher resolution secondary camera to take pictures and selfies
vs(front) 20MP
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 7.1.1 Nougat
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G+ LTE-A
+(5G SA/NSA) 2000 Mbps2 times
Faster for surfing the internet and download files
vs(4G+ LTE-A) 600 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+4500 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
8.7 millimeters (0.34 inches)vs+7.8 millimeters (0.31 inches)12%
Thinner
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
f/2.0 (aperture)vs+f/1.7 (aperture)18%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
It's more advantageous to have more than one phone operator in the same device

27 Common items in both devices
6GB LPDDR4X / 6GB LPDDR4
Aluminum body, glass front, plastic back / Aluminum body, glass front
16 million
LED flash
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
+20 specs and more in the table below

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

Highlight differencesClear highlight
Physical featuresSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
ModelGalaxy A51 5G (SM-A516U)R11 Plus
Other model namesGalaxy A51 SM-A516UZKAXAA (Unlocked)Oppo R11 Plus (64GB + 6GB RAM), Oppo Plust, Oppo Pluskt
Country or region availableUSA
USA
ChinaHong Kong
China, Hong Kong
BrandSamsungOppo
Release dateApril, 2020July, 2017
Depth8.7 millimeters (0.34 inches)7.8 millimeters (0.31 inches)
Size (width x height)73.6 x 158.9 millimeters (2.9 x 6.26 in)81.5 x 165.8 millimeters (3.21 x 6.53 in)
Weight187 grams (6.55 ounces)188 grams (6.58 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum body, glass front, plastic backAluminum body, glass front
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
Operating systemAndroid 10Android 7.1.1 Nougat
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
Chipset64bit - Samsung Exynos 980 Octa (8nm)64bit - Qualcomm Snapdragon 660 SDM660 (14nm)
CPU processorOcta-Core, 2 processors:
2.2Ghz Dual-Core ARM Cortex-A77
1.8Ghz Hexa-Core ARM Cortex-A55
Octa-Core, 2 processors:
2.2Ghz Quad-Core Kryo 260 Gold
1.8Ghz Quad-Core Kryo 260 Silver
GPU graphical controllerARM Mali-G76 MP5Qualcomm Adreno 512 650Mhz
RAM memory6GB LPDDR4X6GB LPDDR4
Internal storage128GB (105GB available)
UFS 2.1
64GB (50GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
DisplaySamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.5" inches6" inches
Screen-to-body ratio~87.2% (screen-to-body ratio)~73.4% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)405 PPI367 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 5
Display features60Hzfeature not registered
Mobile networksSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload2000/200 Mbps600/150 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat12 (Bands 1,3,4,5,7,8,20,28)
TD-LTE (Bands 38,39,40,41)
Primary 5G networkSA/NSA/Sub6 (41, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
Back camera (main camera)(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
(dual camera)
16 megapixels
20MPf/2.61/2.8"
Main camera resolution8000x6000 pixels4608x3456 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.7 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2" inches1/2.8" inches
Pixel size0.8µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
Front camera (secondary)32 megapixels20 megapixels
Front camera resolution6528x4896 pixels5472x3648 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered
MultimediaSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, OGG, eAAC+, FLAC
ConnectivitySamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor
Other features- Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
- Colors: Black, Gold, Rose Gold
- USB OTG On-The-Go
- Aluminum body
- ColorOS 3.1
- Silicone case included
- Fast battery charging
- VOOC Flash Charge
- Miracast
- WiFi direct, hotspot
Power supplySamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4500 mAh4000 mAh
Charger, watts15W Fast battery charging Standard charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy A51 5G (SM-A516U)Oppo R11 Plus
SAR 1.6W/kg (USA, Mexico, etc.)1.18W/kg (head) | 1.2W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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