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Samsung Galaxy A71 5G (SM-A716U) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

Side by side comparison between Samsung Galaxy A71 5G vs Samsung Galaxy A51 phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy A51 XSamsung Galaxy A71 5G (SM-A716U)13Points
Samsung Galaxy A71 5G (SM-A716U)
6.7"
AMOLED

1080x2400

64
MP

32mp

6GB
RAM

64bit Octa

4500
mAh

(Non removable)

vs
04PointsSamsung Galaxy A51 (SM-A515F/DSM 128GB)Compare Samsung Galaxy A71 5G X
Samsung Galaxy A51 (SM-A515F/DSM 128GB)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A71 5G (SM-A716U)

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 A71 5G (SM-A716U)13 Advantages Samsung Galaxy A71 5G (SM-A716U)vsGalaxy A51 (SM-A515F/DSM 128GB)4 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+2.4Ghz 64bit Octa-Core17%
More powerful processor, you can open your applications faster
vs2.3Ghz 64bit Octa-Core
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+6.7"3%
Larger screen
vs6.5"
+(quad camera) 64MP + 12MP + 5MP + 5MP23%
Higher resolution main camera
vs(quad camera) 48MP + 12MP + 5MP + 5MP
+1/1.72" inches16%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+Android 11Advantage
Android 11 is newer and safer
vsAndroid 10
+5G NRAdvantage
The 5G NR network is newer and faster
vs4G+ LTE-A
+(5G NR) 5000 Mbps7 times
Faster for surfing the internet and download files
vs(4G+ LTE-A) 600 Mbps
+4500 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+25W67%
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.
vs15W
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
185 grams (6.48 ounces)vs+172 grams (6.02 ounces)8%
Lighter
8.1 millimeters (0.32 inches)vs+7.9 millimeters (0.31 inches)3%
Thinner
393 PPIvs+405 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device

38 Common items in both devices
6GB LPDDR4X
128GB (106GB available) / 128GB (107GB available)
Until 1TB microSD, microSDXC
Super AMOLED Plus / Super AMOLED
60Hz
16 million
1080x2400 pixels
+31 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 A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
ModelGalaxy A71 5G (SM-A716U)Galaxy A51 (SM-A515F/DSM 128GB)
Other model namesGalaxy A71 SM-A716UZKNXAA (Unlocked, 6GB RAM)Samsung Galaxy A51 SM-A515F/DSM
Country or region availableUSA
USA
KazakhstanRussia
Kazakhstan, Russia
BrandSamsungSamsung
Release dateMay, 2020December, 2019
Depth8.1 millimeters (0.32 inches)7.9 millimeters (0.31 inches)
Size (width x height)75.5 x 162.5 millimeters (2.97 x 6.4 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight185 grams (6.48 ounces)172 grams (6.02 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Operating systemAndroid 10Android 10
Firmware updateAndroid 11feature not registered
HardwareSamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Chipset64bit - Qualcomm Snapdragon 765G SDM765 (7nm)64bit - Samsung Exynos 9 Octa 9611 (10nm)
CPU processorOcta-Core, 3 processors:
2.4Ghz Single-Core Kryo 475 Prime
2.2Ghz Single-Core Kryo 475 Gold
1.8Ghz Hexa-Core Kryo 475 Silver
Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 620ARM Mali-G72 MP3
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage128GB (106GB available)
UFS 2.1
128GB (107GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Display typeSuper AMOLED PlusSuper AMOLED
Screen size6.7" inches6.5" inches
Screen-to-body ratio~88.3% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)393 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Display features60Hz60Hz
Mobile networksSamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload5000/200 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 networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat16 (1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41)
VoLTE
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 networkSA/NSA/mmWave (2, 5, 41, 66, 71)Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NRGPRS, EDGE, UMTS, 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 A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
CameraSamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)(quad camera)
64 megapixels
12MP ultrawidef/2.212mm
5MP macrof/2.425mm1/5.0"1.12µm
5MP depthf/2.2
(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
Main camera resolution10120x6328 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.72" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital 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 A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)32 megapixels32 megapixels
Front camera resolution6528x4896 pixels6528x4896 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/2.8" inches
Pixel size0.8µm pixel0.8µm pixel
MultimediaSamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
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, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
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
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Other features- Colors: Prism Cube Black, Sliver, Blue
- One UI 2.0/3.0
- WiFi direct, hotspot
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
Power supplySamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4500 mAh4000 mAh
Charger, watts25W Fast battery charging15W Fast battery charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy A71 5G (SM-A716U)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.69W/kg (head) | 1.11W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.369W/kg (head) | 1.59W/kg (body)
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