OnePlus 5T (128GB) vs Samsung Galaxy A21s (SM-A217M/DS 64GB/3GB)

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Side by side comparison between OnePlus 5T vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

3/6/2021 3:35 PM, updated: 7/6/2022 7:26 AM

Compare Samsung Galaxy A21s X OnePlus 5T (128GB) 20Points

Specifications Compare Models Pictures

6.01"
AMOLED

1080x2160

16
MP

16mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

07Points Samsung Galaxy A21s (SM-A217M/DS 64GB/3GB) Compare OnePlus 5T X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

13mp

3GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? OnePlus 5T (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!

20 Advantages OnePlus 5T (128GB)	vs	7 Advantages Samsung Galaxy A21s (SM-A217M/DS 64GB/3GB)
+2.45GHz 64bit Octa-core (10nm)12% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (8nm)
+8GB LPDDR4X167% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR4X
+128GB (115GB available)140% More internal storage for applications and files	vs	64GB (48GB available)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+162 grams (5.67 ounces)19% Lighter	vs	192 grams (6.72 ounces)
+7.3 millimeters (0.29 inches)22% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+Optic AMOLEDAdvantage Optic AMOLED display is brighter and more vivid	vs	TFT PLS
+1080x2160 pixels103% Higher resolution screen	vs	720x1600 pixels
+402 PPI49% 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/1.7 (aperture)18% 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
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(4G LTE-A) 600 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+20W33% 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
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
Not supported	vs	+Until 512GB microSD, microSDXCAdvantage More external storage for files using memory cards
6.01"	vs	+6.5"8% Larger screen
(dual camera) 16MP + 20MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP67% Higher resolution main camera
1/2.8" inches	vs	+1/2" inches40% The larger sensor camera lets you take photos with better depth.
Android 10	vs	+Android 12Advantage Android 12 is newer and safer
3300 mAh	vs	+5000 mAh52% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

23 Common items in both devices

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo/video on both cameras / HDR photo on both cameras

(front) Full HD (1920x1080)

4G LTE-A

+16 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
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Change model		Choose the model
Model	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Other model names	OnePlus 5T (8GB RAM), One Plus 5T A5010	Galaxy A21s SM-A217M/Dual-Sim (64GB + 3GB RAM)
Country or region available	(Global, International)	(Latin America), Brazil
Brand	OnePlus	Samsung
Release date	11/16/2017	6/2/2020, Announced: 5/15/2020
Depth	7.3 millimeters (0.29 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	75 x 156.1 millimeters (2.95 x 6.15 in)	75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight	162 grams (5.67 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
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Display type	Optic AMOLED	TFT PLS
Screen size	6.01" inches	6.5" inches
Screen-to-body ratio	~79.6% (screen-to-body ratio)	~82.8% (screen-to-body ratio)
Display resolution	1080x2160 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
System version	Android 7.1.1 Nougat	Android 10
Firmware update	Android 10	Android 12
User Interface	feature not registered	One UI 2.0 / 3.1 / 4.1
⚙️ Processor
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Chipset	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)	64bit: Samsung Exynos 850 (8nm)
CPU	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controller	Qualcomm Adreno 540 (670-710MHz)	ARM Mali-G52 MP1
Performance (benchmark)	feature not registered	AnTuTu: 107157 (v8) Geekbench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen)
💽 Memory and storage
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
RAM memory	8GB LPDDR4X	3GB LPDDR4X
Internal storage	128GB (115GB available) UFS 2.1	64GB (48GB available) eMMC 5.1
External storage	Not supported	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	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	600/50 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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat12 700/800/850/900/1700/1800/1900/2100/2300/2600 (Bands 1,2,3,4,5,7,8,12,17,18,19,20,25,26,28,29,30,66) TD-LTE 1900/2000/2300/2500/2600 (Bands 34,38,39,40,41)	LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41)
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Back camera (main camera)	(dual camera) 16 megapixels 20MP wide f/1.71/2.8"27mm1.0µmAFPDAF	(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)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.7 (aperture)	f/2.0 (aperture)
Focal length	27mm lens	26mm lens
Sensor size	1/2.8" inches	1/2" inches
Pixel size	1.12µm pixel	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	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
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/2.0 (aperture)	f/2.2 (aperture)
Focal length	20mm lens	feature not registered
Sensor size	1/3.1" inches	1/3.1" inches
Pixel size	1µm pixel	1.12µm pixel
🔉 Sound and multimedia
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, MKV, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	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	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor
Vibrating alert	Supported	Supported
🔋 Battery
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	5000 mAh
Charger, watts	20W (5V/4A) Wired fast charging	15W (9V/1.67A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
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: Slate Gray • 2.5D glass screen • Screen protector pre-applied • Oxygen OS 4.7 • Dirac HD sound • Dash Charge • Sony IMX 398 back camera • Sony IMX 371 front camera	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	OnePlus 5T (128GB)	Galaxy A21s (SM-A217M/DS 64GB/3GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.54W/kg (head), 1.14W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered