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Samsung Galaxy A21 (SM-A215U1) vs Samsung Galaxy A3 2016 (SM-A310Y)

Side by side comparison between Samsung Galaxy A21 vs Samsung Galaxy A3 (2016) phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A3 (2016) XSamsung Galaxy A21 (SM-A215U1)20Points
Samsung Galaxy A21 (SM-A215U1)
6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
07PointsSamsung Galaxy A3 2016 (SM-A310Y)Compare Samsung Galaxy A21 X
Samsung Galaxy A3 2016 (SM-A310Y)
4.7"
AMOLED

720x1280

13
MP

5mp

1.5GB
RAM

64bit Quad

2300
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21 (SM-A215U1)

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 A21 (SM-A215U1)20 Advantages Samsung Galaxy A21 (SM-A215U1)vsGalaxy A3 2016 (SM-A310Y)7 Advantages Samsung Galaxy A3 2016 (SM-A310Y)
+2.3GHz 64bit Octa-Core106%
More powerful processor, you can open your applications faster
vs1.5GHz 64bit Quad-Core
+3GB LPDDR3100%
More RAM memory. Typically more responsive and better for multitasking.
vs1.5GB LPDDR3
+32GB (20GB available)100%
More internal storage for applications and files
vs16GB (10GB available)
+eMMC 5.1Advantage
Fastest write and read storage.
vseMMC 4.5
+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+720x1600 pixels25%
Higher resolution screen
vs720x1280 pixels
+6.5"38%
Larger screen
vs4.7"
+(quad camera) 16MP + 8MP + 2MP + 2MP119%
Higher resolution main camera
vs(back) 13MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+f/1.8 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.9 (aperture)
+(front) 13MP160%
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 7.0 Nougat
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+4000 mAh74%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2300 mAh
+15W94%
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.
vs7.75W
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.1 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
193 grams (6.76 ounces)vs+132 grams (4.62 ounces)46%
Lighter
8.1 millimeters (0.32 inches)vs+7.3 millimeters (0.29 inches)11%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
TFT PLSvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
270 PPIvs+312 PPI16%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+Gorilla Glass 4Advantage
Protection against scratches on the screen lets you carry your phone with your keys

26 Common items in both devices
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus / Autofocus
EIS: Digital stabilization
Full HD (1920x1080)
(front) Full HD (1920x1080)
+19 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

📱 Model features

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
ModelGalaxy A21 (SM-A215U1)Galaxy A3 2016 (SM-A310Y)
Other model namesGalaxy A21 SM-A215UZKAXAA (USA Unlocked)Galaxy A3 SM-A310Y (Single-Sim), Galaxy A3-6
Country or region availableUSA
USA
AustraliaNew Zealand
Australia, New Zealand
BrandSamsungSamsung
Release date6/26/20201/8/2016
Depth8.1 millimeters (0.32 inches)7.3 millimeters (0.29 inches)
Size (width x height)76.7 x 167.8 millimeters (3.02 x 6.61 in)65.2 x 134.5 millimeters (2.57 x 5.3 in)
Weight193 grams (6.76 ounces)132 grams (4.62 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported

🤖 Operating System

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
System versionAndroid 10Android 5.1.1 Lollipop
Firmware updatefeature not registeredAndroid 7.0 Nougat
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
Chipset64bit - MediaTek Helio P35 (MT6765) (12nm)64bit - Samsung Exynos 7 Quad 7578 (28nm)
CPUOcta-Core, 2 processors:
2.3GHz Quad-Core ARM Cortex-A53
1.8GHz Quad-Core ARM Cortex-A53
Quad-Core, 1 processor:
1.5GHz Quad-Core ARM Cortex-A53
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)ARM Mali-T720 MP2 600Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
RAM memory3GB LPDDR31.5GB LPDDR3
Internal storage32GB (20GB available)
eMMC 5.1
16GB (10GB available)
eMMC 4.5
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📲 Display

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
Display typeTFT PLSSuper AMOLED
Screen size6.5" inches4.7" inches
Screen-to-body ratio~79.3% (screen-to-body ratio)~69.4% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)270 PPI312 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 4
Display features60Hzfeature not registered

📶 Mobile networks

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload150/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 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 850/900/1900/2100
Primary 4G networkLTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71)
TD-LTE (38, 39, 40, 41)
VoLTE
LTE Cat4 (Bands 1, 3, 5, 7, 8, 20, 28)
TD-LTE (Bands 40)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
Back camera (main camera)(quad camera)
16 megapixels
8MP ultrawidef/2.21/4.0"1.12µm
2MP macrof/2.4
2MP depthf/2.4
13 megapixels
Main camera resolution4608x3456 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.9 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.06" inchesfeature not registered
Pixel size1µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
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 only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
Front camera (secondary)13 megapixels5 megapixels
Front camera resolution4128x3096 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/1.9 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
USBUSB 2.0 Type-C reversible connectorMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.1 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n (2.4Ghz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
SensorsAccelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient Light sensor
ANT+
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
Battery typeLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity4000 mAh2300 mAh
Charger, watts15W Fast battery charging7.75W (5V/1.55A) Standard charging
Talk time autonomyfeature not registered14 hours
Standbyfeature not registeredfeature not registered

➕ Other features

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous- Colors: Black
- One UI 2.0
- Colors: Black, White, Gold, Pink
- Samsung TouchWiz UX
- Gorilla Glass on the back

☢️ Radiation rate

Samsung Galaxy A21 (SM-A215U1)Samsung Galaxy A3 2016 (SM-A310Y)
SAR 1.6W/kg (USA, Mexico, etc.)0.6W/kg (head), 1.27W/kg (body)1.31W/kg (head), 1.27W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.621W/kg (head), 0.524W/kg (body)
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