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Xiaomi Poco X3 NFC (128GB) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

Side by side comparison between Xiaomi Poco X3 NFC vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A51 XXiaomi Poco X3 NFC (128GB)17Points
Xiaomi Poco X3 NFC (128GB)
6.67"
IPS

1080x2400

64
MP

20mp

6GB
RAM

64bit Octa

5160
mAh

(Non removable)

vs
08PointsSamsung Galaxy A51 (SM-A515F/DSM 128GB)Compare Xiaomi Poco X3 NFC X
Samsung Galaxy A51 (SM-A515F/DSM 128GB)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
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)17 Advantages Xiaomi Poco X3 NFC (128GB)vsGalaxy A51 (SM-A515F/DSM 128GB)8 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+2.3GHz 64bit Octa-Core26%
More powerful processor, you can open your applications faster
vs2.3GHz 64bit Octa-Core
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+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
+6.67"3%
Larger screen
vs6.5"
+(quad camera) 64MP + 13MP + 2MP + 2MP16%
Higher resolution main camera
vs(quad camera) 48MP + 12MP + 5MP + 5MP
+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)
+(4G+ LTE-A) 800 Mbps33%
Faster for surfing the internet and download files
vs(4G+ LTE-A) 600 Mbps
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+5160 mAh29%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 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
+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
+IP53 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
215 grams (7.53 ounces)vs+172 grams (6.02 ounces)25%
Lighter
9.4 millimeters (0.37 inches)vs+7.9 millimeters (0.31 inches)19%
Thinner
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
395 PPIvs+405 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) 20MPvs+(front) 32MP61%
Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Not supportedvs+ANT+Advantage
Sensors help you use the device
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.

32 Common items in both devices
6GB LPDDR4X
128GB (106GB available) / 128GB (107GB available)
Until 1TB microSD, microSDXC
16 million
1080x2400 pixels
Only digital zoom
PDAF: phase detection autofocus
+25 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

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
ModelPoco X3 NFC (128GB)Galaxy A51 (SM-A515F/DSM 128GB)
Other model namesPOCO X3 NFC M2007J20CG, M2007J20CTSamsung Galaxy A51 SM-A515F/DSM
Country or region available(Global, International)
(Global, International)
KazakhstanRussia
Kazakhstan, Russia
BrandXiaomiSamsung
Release date9/8/2020, Announced: 9/7/202012/16/2019, Announced: 12/12/2019
Depth9.4 millimeters (0.37 inches)7.9 millimeters (0.31 inches)
Size (width x height)76.8 x 165.3 millimeters (3.02 x 6.51 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight215 grams (7.53 ounces)172 grams (6.02 ounces)
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersIP53 certified: protection against dust and splashingNot supported

🤖 Operating System

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
System versionAndroid 10Android 10
Firmware updateAndroid 11Android 11
User InterfaceMIUI 12 / 12.5feature not registered

⚙️ Processor

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Chipset64bit - Qualcomm Snapdragon 732G (SM7150-AC) (8nm)64bit - Samsung Exynos 9611 (10nm)
CPUOcta-Core, 2 processors:
2.3GHz Dual-Core Kryo 470 Gold
1.8GHz Hexa-Core Kryo 470 Silver
Octa-Core, 2 processors:
2.3GHz Quad-Core ARM Cortex-A73
1.7GHz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 618ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage128GB (106GB available)
UFS 2.1
128GB (107GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📲 Display

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size6.67" inches6.5" inches
Screen-to-body ratio~84.6% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)395 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Refresh rate120Hz60Hz
Display features450nits[typ]
HDR10
Not supported

📶 Mobile networks

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
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 Mbps600/150 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 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 Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
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 850/900/1700/1900/2100Not supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE

📷 Camera

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)(quad camera)
64 megapixels
13MP ultrawidef/2.2119°1.0µm
2MP macrof/2.4
2MP depthf/2.4
(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
Main camera resolution10120x6328 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 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)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)20 megapixels32 megapixels
Front camera resolution5184x3840 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/3.4" inches1/2.8" inches
Pixel size0.8µm pixel0.8µm pixel

🔉 Sound and multimedia

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
LoudspeakerStereo sound with dual speakers
24-bit/192kHz
Supported
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.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
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 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac (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)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
SensorsAccelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient Light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5160 mAh4000 mAh
Charger, watts33W Fast battery charging15W Fast battery charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
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: Cobalt Blue, Shadow Gray
- Silicone Case included
- Screen protector included
- LiquidCool 1.0 heat pipe
- Google Pay
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2/3.1
- Always On Display

☢️ Radiation rate

Xiaomi Poco X3 NFC (128GB)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.77W/kg (head), 0.61W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.56W/kg (head), 0.99W/kg (body)0.369W/kg (head), 1.59W/kg (body)
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