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Xiaomi Poco X3 NFC (128GB) vs Samsung Galaxy A21s (SM-A217M/DS 64GB/3GB)

Side by side comparison between Xiaomi Poco X3 NFC vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A21s X Xiaomi Poco X3 NFC (128GB) 26Points
6.67"
IPS

1080x2400

64
MP

20mp

6GB
RAM

Octa-core

5160
mAh

(Non removable)

vs
04Points Samsung Galaxy A21s (SM-A217M/DS 64GB/3GB) Compare Xiaomi Poco X3 NFC X
6.5"
PLS

720x1600

48
MP

13mp

3GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Poco X3 NFC (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!

Poco X3 NFC (128GB)} 26 Advantages Xiaomi Poco X3 NFC (128GB) vs Galaxy A21s (SM-A217M/DS 64GB/3GB)} 4 Advantages Samsung Galaxy A21s (SM-A217M/DS 64GB/3GB)
+2.3GHz 64bit Octa-core (8nm)16%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (8nm)
+6GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR4X
+128GB (106GB available)121%
More internal storage for applications and files
vs64GB (48GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT PLS
+HDR10Advantage
The HDR10 display provides vibrant colors and more details
vsNot supported
+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1080x2400 pixels125%
Higher resolution screen
vs720x1600 pixels
+395 PPI46%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs270 PPI
+6.67"3%
Larger screen
vs6.5"
+(quad camera) 64MP + 13MP + 2MP + 2MP35%
Higher resolution main camera
vs(quad camera) 48MP + 8MP + 2MP + 2MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+1/1.73" inches16%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+f/1.9 (aperture)5%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 20MP56%
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
vsFull HD (1920x1080)
+(4G LTE-A) 800 Mbps167%
Faster for surfing the internet and download files
vs(4G LTE-A) 300 Mbps
+Ambient light sensorAdvantage
Sensors help you use the device
vsVirtual ambient light sensor
+5160 mAh3%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs5000 mAh
+33W120%
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
+Stereo sound with dual speakersAdvantage
Better sound quality for listening to music or clearer hands-free calls
vsMono sound (not stereo)
+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster
vs5.0 + A2DP/LE
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP53 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
215 grams (7.53 ounces)vs+192 grams (6.72 ounces)12%
Lighter
9.4 millimeters (0.37 inches)vs+8.9 millimeters (0.35 inches)6%
Thinner
Android 11vs+Android 12Advantage
Android 12 is newer and safer
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.

23 Common items in both devices
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
(front) Full HD (1920x1080)
+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 Clear highlight

📱 Model features

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
ModelPoco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
Other model namesPOCO X3 NFC M2007J20CG, M2007J20CTGalaxy A21s SM-A217M/Dual-Sim (64GB + 3GB RAM)
Country or region available(Global, International)
(Global, International)
(Latin America)Brazil
(Latin America), Brazil
BrandXiaomiSamsung
Release date9/8/2020, Announced: 9/7/20206/2/2020, Announced: 5/15/2020
Depth9.4 millimeters (0.37 inches)8.9 millimeters (0.35 inches)
Size (width x height)76.8 x 165.3 millimeters (3.02 x 6.51 in)75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight215 grams (7.53 ounces)192 grams (6.72 ounces)
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersIP53 certified: protection against dust and splashingNot supported

📲 Display

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
Display typeTFT IPS LCDTFT PLS
Screen size6.67" inches6.5" inches
Screen-to-body ratio~84.6% (screen-to-body ratio)~82.8% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)395 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Not supported
Refresh rate120Hz60Hz
Display features450nits[typ]
HDR10
Not supported

🤖 Operating System

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
System versionAndroid 10Android 10
Firmware updateAndroid 11Android 12
User InterfaceMIUI 12 / 12.5One UI 2.0 / 3.1 / 4.1

⚙️ Processor

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
Chipset64bit: Qualcomm Snapdragon 732G (SM7150-AC) (8nm)64bit: Samsung Exynos 850 (8nm)
CPUOcta-core, 2 processors:
2x 2.3GHz Kryo 470 Gold (Dual-core)
6x 1.8GHz Kryo 470 Silver (Hexa-core)
Octa-core, 1 processor:
8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controllerQualcomm Adreno 618ARM Mali-G52 MP1
Performance (benchmark)feature not registeredAnTuTu: 107157 (v8)
Geekbench: 1100 (v5.1)
GFXBench: 11fps (ES 3.1 onscreen)

💽 Memory and storage

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
RAM memory6GB LPDDR4X3GB LPDDR4X
Internal storage128GB (106GB available)
UFS 2.1
64GB (48GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
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 / Upload800/150 Mbps300/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, 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 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66)
TD-LTE (38, 40, 41)
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
Back camera (main camera)(quad camera)
64 megapixels
13MP ultrawide f/2.2119°1.0µm
2MP macro f/2.4
2MP depth f/2.4
(quad camera)
48 megapixels
8MP ultrawide f/2.21/4"1.12µm123°
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution10120x6328 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/1.9 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/1.73" 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
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
Front camera (secondary)20 megapixels13 megapixels
Front camera resolution5184x3840 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.4" inches1/3.1" inches
Pixel size0.8µm pixel1.12µm pixel

🔉 Sound and multimedia

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
LoudspeakerStereo sound with dual speakers
24-bit/192kHz
Mono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
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

🔌 Connectivity

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.1 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 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
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedNot supported
Infrared portSupportedNot supported

🧭 Sensors

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Accelerometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Virtual ambient light sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5160 mAh5000 mAh
Charger, watts33W Wired fast charging15W (9V/1.67A) Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
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: Cobalt Blue, Shadow Gray
• Silicone Case included
• Screen protector included
• LiquidCool 1.0 heat pipe
• Google Pay
• Colors: Black, White, Blue, Red

☢️ Radiation rate

Xiaomi Poco X3 NFC (128GB)Galaxy A21s (SM-A217M/DS 64GB/3GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.77W/kg (head), 0.61W/kg (body)0.54W/kg (head), 1.14W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.56W/kg (head), 0.99W/kg (body)feature not registered
X

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