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Poco X2 Vs Samsung Galaxy M31 Specs Comparison


Poco X2 keeps 6.67" IPS screen with a 120 Hz refresh rate, Snapdragon 730G chipset, 6 GB or 8 GB RAM, 64 GB, 128 GB or 256 GB storage, dual front camera with 20 MP main sensor + 2 MP depth sensing lens, quad rear camera with 64 MP main sensor + 8 MP ultra-wide lens + 2 MP macro lens + 2 MP for depth-sensing, 4500 mAh battery with 27W fast charging and 225 $ price on launch.

While Samsung Galaxy M31 packs with Exynos 9611 chipset, 4 GB or 6 GB RAM, 64 GB or 128 GB storage, 6.4" Super AMOLED screen, 6000 mAh battery with 15W fast charging, quad rear camera with 64 MP main sensor + 8 MP ultra-wide lens + 5 MP depth-sensor lens + 5 MP macro lens, 32 MP front camera, and 210 $ price.



Here’s an in-depth specifications comparison between Poco X2 Vs Samsung Galaxy M31.

Jump to:
  1. System  on  Chip (SOC)
  2. RAM
  3. Storage
  4. Display
  5. Rear Camera 
  6. Front Camera
  7. Battery
  8. Price
  9. Network


Samsung Galaxy M31
Poco X2
Brand and Model   
Brand and Model 
Brand 
Brand 
Samsung
  Xiaomi
Model
Model 
Galaxy M31
Poco X2
Model Alias
Model Alias
SM-M315F
 MZB8744IN
SM-M315F/DS

Galaxy M31 Operating System 
Poco X2 Operating System (OS)
Android 10
MIUI 11 (Android 10)
User Interface (UI)
User Interface (UI)
One UI 2.0




Galaxy M31 System on  Chip (SOC) Poco X2 System on  Chip (SOC)
SOC SOC 
Samsung Exynos 7 Octa 9611 Qualcomm Snapdragon 730G
Process Technology  Process Technology 
10 nm 8 nm 
CPU CPU
4x 2.3 GHz ARM Cortex-A73 2x 2.2 GHz Kryo 470
4x 1.7 GHz ARM Cortex-A53 6x 1.8 Ghz Kryo 470
CPU Bits  CPU Bits 
64 bit  64 bits 
Instruction Set   Instruction Set  
ARMv8-A  ARMv8
CPU Frequency  CPU Frequency 
2300 MHz   2200 MHz  
CPU Cores  CPU Cores 
8  8
GPU GPU
ARM Mali-G72 MP3 Qualcomm Adreno 618
 GPU Cores  GPU Cores
3



Galaxy M31 RAM Capacity Poco X2 RAM Capacity 
4 GB  6 GB
6 GB   8 GB 
RAM Type   RAM Type  
LPDDR4X  LPDDR4X
RAM Channels   RAM Channels  
Double channel  Double channel
RAM Frequency   RAM Frequency  
 1866 MHz



Galaxy M31 Storage Poco X2 Storage
64 GB   64 GB
128 GB    128 GB
256 GB
eMMC 5.1  UFS 2.1
Galaxy M31 Memory Cards Poco X2 Memory Cards 
microSD microSD
microSDHC  microSDHC
microSDXC  microSDXC



Galaxy M31 Display Poco X2 Display 
Type / Technology  Type / Technology 
Super AMOLED IPS
Diagonal Size  Diagonal Size 
6.4 in  6.67 in 
162.56 mm  169.42 mm 
16.26 cm  16.91 cm 
Width  Width 
2.68 in  2.74 in 
68.12 mm    69.52 mm 
6.81 cm    6.95 cm 
Height  Height 
5.81 in    6.08 in 
147.6 mm    154.5 mm 
14.76 cm    15.45 cm 
Aspect Ratio  Aspect Ratio 
2.167:1  2.222:1 
Resolution  Resolution 
1080 x 2340 pixels 1080 x 2400 pixels
Pixel Density  Pixel Density 
403 ppi (pixels per inch)   395 ppi 
158 ppcm (pixels per centimeter)   155 ppcm 
Color Depth  Color Depth 
24 bit   24 bits  
16777216 colors   16777216 colors 
Display Area  Display Area 
  85.1 % 
Other Features  Other Features 
Capacitive  Capacitive 
Multi-touch  Multi-touch 
Scratch resistant
Corning Gorilla Glass Corning Gorilla Glass 5
Infinity-U Display 2.5D curved glass screen 
Widevine L1 certification Oleophobic coating
Peak brightness - 420 cd/m² 120Hz refresh rate
HDR10
Galaxy M31 Sensors Poco X2 Sensors 
Proximity  Proximity
 Light
Accelerometer Accelerometer
Compass  Compass
Gyroscope  Gyroscope
Fingerprint  Fingerprint
 Gravity
Virtual Light Sensor  Pedometer
Side-mounted fingerprint sensor
Geomagnetic  Geomagnetic



Galaxy M31 Rear Camera Poco X2 Rear Camera
Sensor Model Sensor Model
Samsung S5KGW1 Sony IMX686
Sensor type  Sensor type 
ISOCELL CMOS BSI
ISO ISO
100 - 800
Sensor format Sensor format
1/1.72" 1/1.17”
Pixel size Pixel size
0.8 µm (micrometers) 0.8 um
Aperture Aperture
f/1.8  f/1.7
 Focal Length  Focal Length
3.58 mm 
27 mm   *(35 mm / full frame)
Flash Type Flash Type
LED Dual LED
 Image Resolution   Image Resolution 
9280 x 6944 pixels 9248 x 6944 pixels
64.44 MP   64.22 MP 
Video resolution Video resolution
3840 x 2160 pixels  3840 x 2160 pixels
8.29 MP   8.29 MP
Video FPS Video FPS
30 fps (frames per second)  30 fps
Features  Features 
Autofocus Autofocus 
Continuous shooting Continuous shooting 
Digital zoom Digital zoom 
Optical image stabilization
 Digital image stabilization
Geotagging Geo tagging 
Panorama Panorama 
HDR HDR 
Touch focus Touch focus 
Face detection Face detection
White balance settings White balance setting  
ISO settings ISO setting 
Exposure compensation Exposure compensation 
Self-timer Self-timer 
Scene mode  Scene mode
Phase detection autofocus (PDAF) Phase Detection autofocus (PDAF)
Pixel size - 1.6 μm (4-in-1 pixel binning) Pixel size-1.6 um (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Super Phase Detection
 Angle of view- 79 degree
10x digital zoom
 1080p @ 120 fps
 720p @ 960 fps
Secondary rear camera - 8 MP (ultra-wide angle) Secondary rear camera- 8 MP (ultra-wide angle)
Pixel size- 1.12 um (#2)
Angle of view - 123° (#2) Angle of view- 120 degree (#2)
Aperture size - f/2.2 (#2)  Aperture size- f/2.2 (#2)
Third rear camera - 5 MP (depth-sensing) Third rear camera- 2 MP (depth-sensing)
Aperture size - f/2.2 (#3)  Aperture size- f/2.4 (#3)
 Pixel size- 1.75 um (#3)
Fourth rear camera - 5 MP (macro)  Fourth rear camera- 2 MP (macro)
 Pixel size- 1.75 um (#4)
Aperture size - f/2.2 (#4) Aperture size- f/2.4 (#4)
Macro shooting distance- 2 cm (#4)



Galaxy M31 Front Camera Poco X2 Front Camera
Sensor Model Sensor Model
Sony IMX616
Sensor Type Sensor Type
CMOS BSI (backside illumination)
Aperture Aperture
f/2
Sensor format Sensor format
1/2.8"
Pixel size Pixel size
0.8 µm (micrometers) 0.8 um
Field of view Field of view
78 degree
Image Resolution  Image Resolution 
6528 x 4896 pixels  5963 x 3354 pixels 
31.96 MP    20 MP 
Video Resolution Video Resolution
3840 x 2160 pixels  1920 x 1080 pixels
8.29 MP   2.07 MP
Video FPS Video FPS
 30 fps  30 fps
Features  Features 
Face unlock
 Secondary front camera- 2 MP (depth-sensing)
 Pixel size- 1.75 um (#2)
 Angle of view- 83 degree (#2)
 Aperture size- f/2.4 (#2)
Galaxy M31 Audio Poco X2 Audio 
Speaker Speaker
Loudspeaker Loudspeaker 
Earpiece Earpiece
Hi-Res Audio
Dolby Atmos Smart PA
1217 super linear speaker 
 Dual microphone cancellation
Galaxy M31 Radio Poco X2 Radio 
Yes   Yes
Galaxy M31 Tracking /  Positioning  Poco X2 Tracking /  Positioning 
GPS  GPS
A-GPS  A-GPS 
GLONASS GLONASS
BeiDou  BeiDou
 Galileo
Galaxy M31 Wi-Fi Poco X2 Wi-Fi 
802.11a (IEEE 802.11a-1999)  802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)  802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)  802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)  802.11n (IEEE 802.11n-2009) 
802.11n 5GHz  802.11n 5GHz
802.11ac (IEEE 802.11ac)  802.11ac (IEEE 802.11ac)
Dual band  Dual band
Wi-Fi Hotspot  Wi-Fi Hotspot 
Wi-Fi Direct  Wi-Fi Direct
 Wi-Fi Display



Galaxy M31 Bluetooth Poco X2 Bluetooth
Version  Version 
5  5.0
Features  Features 
A2DP (Advanced Audio Distribution Profile) A2DP 
AVRCP (Audio/Visual Remote Control Profile) LE
DIP (Device ID Profile)
HFP (Hands-Free Profile)
HID (Human Interface Profile)
HSP (Headset Profile)
MAP (Message Access Profile)
OPP (Object Push Profile)
PAN (Personal Area Networking Profile)
PBAP/PAB (Phone Book Access Profile)
HOGP
Galaxy M31 USB Poco X2 USB 
Connector Type   Connector Type  
USB Type-C  USB Type-C
Version Version 
2   2.0
Features  Features 
Charging Charging 
Mass storage Mass Storage 
On-The-Go On-The-Go
Galaxy M31 Headphone Jack Poco X2 Headphone Jack 
Yes Yes
 Connectivity Poco X2 Connectivity 
Computer sync  Computer sync 
OTA sync
Tethering  Tethering
ANT+  NFC
 VoLTE
Galaxy M31 Browser Poco X2 Browser 
HTML HTML 
HTML5 HTML5 
CSS 3 CSS 3 
Galaxy M31 Audio File Formats /  Codecs   Poco X2 Audio File Formats /  Codecs    
AAC (Advanced Audio Coding) AAC 
AAC+ / aacPlus / HE-AAC v1
AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) AMR / AMR-NB / GSM-AMR 
AMR-WB (Adaptive Multi-Rate Wideband, .awb) AMR-WB
 aptX / apt-X
 aptX HD / apt-X HD / aptX lossless
eAAC+ / aacPlus v2 / HE-AAC v2 eAAC+ / aacPlus v2 / HE-AAC v2
FLAC (Free Lossless Audio Codec, .flac) FLAC 
M4A (MPEG-4 Audio, .m4a)
MIDI MIDI 
MP3 (MPEG-2 Audio Layer II, .mp3) MP3 
OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus) OGG 
WMA (Windows Media Audio, .wma) WMA 
WAV (Waveform Audio File Format, .wav, .wave)  WAV 
Galaxy M31 Video File Formats /  Codecs Poco X2 Video File Formats /  Codecs
3GPP (3rd Generation Partnership Project, .3gp) 3GPP 
3GPP2 (3rd Generation Partnership Project 2, .3g2)
AVI (Audio Video Interleaved, .avi) AVI 
DivX
Flash Video (.flv, .f4v, .f4p, .f4a, .f4b)  Flash Video
H.263 H.263
H.264 / MPEG-4 Part 10 / AVC video H.264 / MPEG-4 Part 10 / AVC video
H.265 / MPEG-H Part 2 / HEVC
MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks) MKV
MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v) MP4
VC-1
VP8
VP9
WebM  WebM
WMV (Windows Media Video, .wmv)  WMV
WMV7 (Windows Media Video 7, .wmv)
WMV8 (Windows Media Video 8, .wmv)
Xvid Xvid



Galaxy M31 Battery Poco X2 Battery 
Capacity Capacity
6000 mAh  4500 mAh
Type  Type 
Li-Ion  Li-Polymer
Features  Features 
Fast charging  Non-removable 
Non-removable  Fast charging
 Charger Output Power Charger Output Power
5 V   / 2 A 
9 V   / 1.67 A  9 V / 3 A
Galaxy M31 Launch Poco X2 Launch 
Announced  Announced 
 2020, 25th February  2020, 6th February
Status Status 
Release 5th March 2020  Release 11th February 2019



Galaxy M31 Price Poco X2 Price 
4 GB + 64 GB =  210 $ 6 GB + 64 GB = 225 $ 
6 GB + 128 GB =  225 $ 6 GB + 128 GB = 239 $
 8 GB + 256 GB = 281 $
Galaxy M31 Design Poco X2 Design 
Colors  Colors 
Ocean Blue
Space Black Atlantis Blue
Width  Width 
  76.6 mm 
  7.66 cm 
  0.25 ft 
  3.02 in 
Height  Height 
 165.3 mm 
 16.53 cm 
  0.54 ft 
  6.51 in 
Thickness  Thickness 
8.9 mm    8.79 mm 
0.89 cm    0.88 cm 
0.03 ft   0.03 ft 
0.35 in    0.35 in 
Weight  Weight 
191 g   208 g
0.42 lbs   0.46 lbs
6.74 oz   7.34 oz
Volume  Volume 
  111.3 cm3
  6.76 in3
Body Materials Body Materials
Plastic Aluminium alloy
 Glass
Galaxy M31 SIM Card Poco X2 SIM Card 
SIM Card Type   SIM Card Type  
Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm) Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)  
 Nano-SIM / microSD
Number of SIM Cards  Number of SIM Cards 
2   2
Features Features
Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) Dual SIM stand-by 
Galaxy M31 Mobile Network Technology and Bandwidth Poco X2 Mobile Network Technology and Bandwidth 
UMTS (384 kbit/s )  UMTS (384 kbit/s) 
EDGE  EDGE 
GPRS  GPRS  
HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 42 Mbit/s )  HSPA+ 
LTE Cat 10 (102.0 Mbit/s , 452.2 Mbit/s ) LTE
TD-SCDMA



Galaxy M31 Networks Poco X2 Networks
GSM GSM
GSM 850 MHz GSM 850 MHz (B5)
GSM 900 MHz GSM 900 MHz (B8)
GSM 1800 MHz GSM 1800 MHz (B3)
GSM 1900 MHz GSM 1900 MHz (B2)
UMTS W-CDMA
UMTS 850 MHz W-CDMA 850 MHz (B5)
UMTS 900 MHz W-CDMA 900 MHz (B8)
UMTS 1900 MHz  W-CDMA 1900 MHz (B2)
UMTS 2100 MHz  W-CDMA 2100 MHz (B1)
LTE LTE
LTE 850 MHz LTE-FDD 850 MHz (B5)
LTE 900 MHz LTE-FDD 900 MHz (B8)
LTE 1800 MHz LTE-FDD 1800 MHz (B3)
LTE 2100 MHz LTE-FDD 2100 MHz (B1)
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)

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