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Samsung Galaxy Note 7 Duos (SM-N9300 128GB) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)

Side by side comparison between Samsung Galaxy Note 7 vs Samsung Galaxy A21s phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy A21s XSamsung Galaxy Note 7 Duos (SM-N9300 128GB)24Points
Samsung Galaxy Note 7 Duos (SM-N9300 128GB)
5.7"
AMOLED

1440x2560

12.2
MP

5mp

6GB
RAM

64bit Quad

3500
mAh

(Non removable)

vs
12PointsSamsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)Compare Samsung Galaxy Note 7 X
Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
6.5"
PLS

720x1600

48
MP

13mp

6GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy Note 7 Duos (SM-N9300 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!

Galaxy Note 7 Duos (SM-N9300 128GB)24 Advantages Samsung Galaxy Note 7 Duos (SM-N9300 128GB)vsGalaxy A21s (SM-A217F/DSN 64GB/6GB)12 Advantages Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
+128GB (114GB available)138%
More internal storage for applications and files
vs64GB (48GB available)
+UFS 2.0Advantage
Fastest write and read storage.
vseMMC 5.1
+169 grams (5.92 ounces)14%
Lighter
vs192 grams (6.72 ounces)
+7.9 millimeters (0.31 inches)13%
Thinner
vs8.9 millimeters (0.35 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT PLS
+1440x2560 pixels2 times
Higher resolution screen
vs720x1600 pixels
+515 PPI91%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs270 PPI
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+f/1.7 (aperture)18%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 2K UHD (2560x1440)78%
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+(4G+ LTE-A) 450 Mbps50%
Faster for surfing the internet and download files
vs(4G+ LTE-A) 300 Mbps
+Ambient Light sensorAdvantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Iris scannerAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C reversible connector
+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2.15Ghz 64bit Quad-Corevs+2Ghz 64bit Octa-Core45%
More powerful processor, you can open your applications faster
Until 256GB microSD, microSDXCvs+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
5.7"vs+6.5"14%
Larger screen
(back) 12.2MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP4 times
Higher resolution main camera
1/2.55" inchesvs+1/2" inches28%
The larger sensor camera lets you take photos with better depth.
(front) 5MPvs+(front) 13MP154%
Higher resolution secondary camera to take pictures and selfies
Android 7.0 Nougatvs+Android 10Advantage
Android 10 is newer and safer
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
3500 mAhvs+5000 mAh43%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
More SIM card slots. You can choose more carriers.
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster

24 Common items in both devices
6GB LPDDR4
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
4G+ LTE-A
+17 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 Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
ModelGalaxy Note 7 Duos (SM-N9300 128GB)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Other model namesSamsung Galaxy Note 7 SM-N9300 6GB RAM, Galaxy Note 6Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 6GB RAM)
Country or region availableChinaHong Kong
China, Hong Kong
Hong Kong
Hong Kong
BrandSamsungSamsung
Release dateSeptember, 2016June, 2020
Depth7.9 millimeters (0.31 inches)8.9 millimeters (0.35 inches)
Size (width x height)73.9 x 153.5 millimeters (2.91 x 6.04 in)75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight169 grams (5.92 ounces)192 grams (6.72 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meter and 30minNot supported
System (OS)Samsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Operating systemAndroid 6.0.1 MarshmallowAndroid 10
Firmware updateAndroid 7.0 Nougatfeature not registered
HardwareSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Chipset64bit - Qualcomm Snapdragon 820 MSM8996 (14nm)64bit - Samsung Exynos 850 Octa (8nm)
CPU processorQuad-Core, 2 processors:
2.15Ghz Dual-Core Kryo
1.6Ghz Dual-Core Kryo
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A55
2Ghz Quad-Core ARM Cortex-A55
GPU graphical controllerQualcomm Adreno 530ARM Mali-G52 MP1
RAM memory6GB LPDDR46GB LPDDR4X
Internal storage128GB (114GB available)
UFS 2.0
64GB (48GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Display typeSuper AMOLEDTFT PLS
Screen size5.7" inches6.5" inches
Screen-to-body ratio~79% (screen-to-body ratio)~82.8% (screen-to-body ratio)
Display resolution1440x2560 pixels720x1600 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)515 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Not supported
Display featuresfeature not registered60Hz
Mobile networksSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload450/50 Mbps300/150 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
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28)
TD-LTE (Bands 38, 39, 40, 41)
LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/2100Not supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE
CallingSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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, Voice commands
CameraSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Back camera (main camera)12.2 megapixels(quad camera)
• 48 megapixels
• 8MP ultrawide (f/2.2 1/4" 1.12µm 123º)
• 2MP macro (f/2.4)
• 2MP depth sensor (f/2.4)
Main camera resolution4032x3024 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.7 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.55" inches1/2" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Front camera (secondary)5 megapixels13 megapixels
Front camera resolution2592x1944 pixels4128x3096 pixels
Video recording (secondary)2K UHD (2560x1440)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.7 (aperture)f/2.2 (aperture)
Focal length22mm lensfeature not registered
Sensor sizefeature not registered1/3.1" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, DivX, XviD, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNASupportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Iris scanner
Heart rate
SpO2
Hall effect
Fingerprint sensor (front-mounted)
ANT+
Accelerometer
Proximity sensor
Compass
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Blue Coral, Silver Titanium, Black Onyx
- Stylus Pen (12-bit)
- Samsung Pay (Visa, MasterCard)
- S-Voice
- HD Voice
- WiFi direct, hotspot
- Colors: Black, White, Blue, Red
- One UI 2.0
- WiFi direct, hotspot
Power supplySamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
BatteryLi-Ion: Lithium-Ion (Non removable)
15W
LiPo: Li-Ion polymer (Non removable)
Battery capacity3500 mAh5000 mAh
Charger, watts• Fast battery charging• 15W (9V/1.67A) Fast battery charging
Talk time autonomy2280 minutes | 38 hours | 1.6 daysfeature not registered
Standby18720 minutes | 312 hours | 13 daysfeature not registered
Radiation rateSamsung Galaxy Note 7 Duos (SM-N9300 128GB)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.422W/kg (head) | 1.544W/kg (body)
X

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