Skip to content

Xiaomi Poco X3 Pro (Global 256GB) vs Samsung Galaxy A51 (SM-A515F/DSN)

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

,
Compare Samsung Galaxy A51 XXiaomi Poco X3 Pro (Global 256GB)14Points
Xiaomi Poco X3 Pro (Global 256GB)
6.67"
IPS

1080x2400

48
MP

20mp

8GB
RAM

64bit Octa

5160
mAh

(Non removable)

vs
09PointsSamsung Galaxy A51 (SM-A515F/DSN)Compare Xiaomi Poco X3 Pro X
Samsung Galaxy A51 (SM-A515F/DSN)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Xiaomi Poco X3 Pro (Global 256GB)

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 Pro (Global 256GB)14 Advantages Xiaomi Poco X3 Pro (Global 256GB)vsGalaxy A51 (SM-A515F/DSN)9 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
+2.96GHz 64bit Octa-Core40%
More powerful processor, you can open your applications faster
vs2.3GHz 64bit Octa-Core
+8GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+256GB (230GB available)115%
More internal storage for applications and files
vs128GB (107GB available)
+UFS 3.1Advantage
Fastest write and read storage.
vseMMC 5.1
+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"
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+f/1.8 (aperture)11%
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
+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)
(quad camera) 48MP + 8MP + 2MP + 2MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP17%
Higher resolution main camera
(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
More SIM card slots. You can choose more carriers.

34 Common items in both devices
Until 1TB microSD, microSDXC
Plastic body, glass front
16 million
1080x2400 pixels
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+27 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 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
ModelPoco X3 Pro (Global 256GB)Galaxy A51 (SM-A515F/DSN)
Other model namesXiaomi Poco X3 Pro M2102J20SG NFC (256GB+8GB RAM)Samsung Galaxy A51 SM-A515F/DSN
Country or region available(Global, International)
(Global, International)
(Europe)(Global, International)United Arab EmiratesPakistanTaiwan
(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
BrandXiaomiSamsung
Release date3/24/2021, Announced: 3/22/202112/16/2019, 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, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersIP53 certified: protection against dust and splashingNot supported

🤖 Operating System

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
System versionAndroid 11Android 10
Firmware updatefeature not registeredAndroid 11
User InterfaceMIUI 12.5feature not registered

⚙️ Processor

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
Chipset64bit - Qualcomm Snapdragon 860 (SM8150-AC) (7nm)64bit - Samsung Exynos 9611 (10nm)
CPUOcta-Core, 3 processors:
2.96GHz Single-Core Kryo 485 Gold
2.42GHz Triple-Core Kryo 485 Gold
1.78GHz Quad-Core Kryo 485 Silver
Octa-Core, 2 processors:
2.3GHz Quad-Core ARM Cortex-A73
1.7GHz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 640 (250-672MHz)ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)AnTuTu: 483527 (v8)feature not registered

💽 Memory and storage

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
RAM memory8GB LPDDR4X6GB LPDDR4X
Internal storage256GB (230GB available)
UFS 3.1
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 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
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 6Gorilla Glass 3
Display features120Hz, 450nits[typ]
HDR10
60Hz

📶 Mobile networks

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
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)
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 networkLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE

📷 Camera

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
Back camera (main camera)(quad camera)
48 megapixels
8MP 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 resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/2" 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 extras1080p@960fpsfeature not registered

📸 Front camera

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
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 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
LoudspeakerStereo sound with dual speakersSupported
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 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
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
Bluetooth5.0 + 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
NFCSupportedSupported
Infrared portSupportedNot supported

🧭 Sensors

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
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 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
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 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
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: Phantom Black, Frost Blue, Metal Bronze
- Silicone Case included
- LiquidCool 1.0 Plus
- Cooling up to 6 °C
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2/3.1
- Always On Display

☢️ Radiation rate

Xiaomi Poco X3 Pro (Global 256GB)Samsung Galaxy A51 (SM-A515F/DSN)
SAR 1.6W/kg (USA, Mexico, etc.)0.99W/kg (head), 0.67W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.57W/kg (head), 0.9W/kg (body)0.369W/kg (head), 1.59W/kg (body)
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.