Samsung Galaxy C9 Pro Duos (SM-C900F/DS) vs Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB)

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Side by side comparison between Samsung Galaxy C9 Pro vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

7/14/2020 10:59 PM, updated: 7/6/2022 7:26 AM

Compare Samsung Galaxy A21s X Samsung Galaxy C9 Pro Duos (SM-C900F/DS) 15Points

Specifications Compare Models Pictures

6"
AMOLED

1080x1920

16
MP

16mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

08Points Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB) Compare Samsung Galaxy C9 Pro X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy C9 Pro Duos (SM-C900F/DS)

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!

15 Advantages Samsung Galaxy C9 Pro Duos (SM-C900F/DS)	vs	8 Advantages Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB)
+6GB LPDDR350% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+188 grams (6.58 ounces)2% Lighter	vs	192 grams (6.72 ounces)
+6.9 millimeters (0.27 inches)29% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT PLS
+1080x1920 pixels80% Higher resolution screen	vs	720x1600 pixels
+367 PPI36% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 16MP25% Higher resolution secondary camera to take pictures and selfies	vs	(front) 13MP
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+ANT+Advantage Sensors help you use the device	vs	Not supported
+18W20% 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.	vs	15W
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1.95GHz 64bit Octa-core	vs	+2GHz 64bit Octa-core (8nm)16% More powerful processor, you can open your applications faster
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
6"	vs	+6.5"8% Larger screen
(back) 16MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP3 times Higher resolution main camera
Android 8.0 Oreo	vs	+Android 12Advantage Android 12 is newer and safer
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
4000 mAh	vs	+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster

30 Common items in both devices

64GB (51GB available) / 64GB (48GB available)

eMMC 5.1

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

+23 specs and more in the table below

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

Highlight differences

📱 Model features
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Change model		Choose the model
Model	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Other model names	Galaxy C9 Pro C900F/Dual-Sim, Samsung SM-C900F/DS	Galaxy A21s SM-A217F/Dual-Sim (64GB + 4GB RAM)
Country or region available	Philippines, India, Indonesia, Malaysia, Thailand, Vietnam	(Global, International), Angola, Saudi Arabia, Egypt, India, Morocco, Mozambique, Pakistan
Brand	Samsung	Samsung
Release date	1/1/2017	6/2/2020, Announced: 5/15/2020
Depth	6.9 millimeters (0.27 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	80.7 x 162.9 millimeters (3.18 x 6.41 in)	75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight	188 grams (6.58 ounces)	192 grams (6.72 ounces)
Build, materials	Aluminum body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Display type	Super AMOLED	TFT PLS
Screen size	6" inches	6.5" inches
Screen-to-body ratio	~75.5% (screen-to-body ratio)	~82.8% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	367 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
System version	Android 6.0.1 Marshmallow	Android 10
Firmware update	Android 8.0 Oreo	Android 12
User Interface	feature not registered	One UI 2.0 / 3.1 / 4.1
⚙️ Processor
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Chipset	64bit: Qualcomm Snapdragon 653 MSM8976 Pro (28nm)	64bit: Samsung Exynos 850 (8nm)
CPU	Octa-core, 2 processors: 4x 1.95GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controller	Qualcomm Adreno 510 600Mhz	ARM Mali-G52 MP1
Performance (benchmark)	feature not registered	AnTuTu: 124232 (v8)
💽 Memory and storage
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
RAM memory	6GB LPDDR3	4GB LPDDR4X
Internal storage	64GB (51GB available) eMMC 5.1	64GB (48GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	300/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (Bands 1,3,5,7,8) TD-LTE (Bands 38,40,41)	LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Back camera (main camera)	16 megapixels	(quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Front camera (secondary)	16 megapixels	13 megapixels
Front camera resolution	4608x3456 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3.1" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, MKV, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, WMA, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor	Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	5000 mAh
Charger, watts	18W Wired fast charging	15W (9V/1.67A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	18 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White/gold, White/pink • Aluminum body • 2.5D Gorilla Glass screen • Fast battery charging • ANT+	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Galaxy C9 Pro Duos (SM-C900F/DS)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.785W/kg (head), 1.62W/kg (body)	0.422W/kg (head), 1.544W/kg (body)