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Xiaomi Poco X3 NFC (128GB) vs Microsoft Lumia 640 (Dual-Sim LTE)

Side by side comparison between Xiaomi Poco X3 NFC vs Microsoft Lumia 640 phones, differences, pros, cons and full specifications. What's the better?

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Compare Microsoft Lumia 640 X Xiaomi Poco X3 NFC (128GB) 25Points
6.67"
IPS

1080x2400

64
MP

20mp

6GB
RAM

Octa-core

5160
mAh

(Non removable)

vs
06Points Microsoft Lumia 640 (Dual-Sim LTE) Compare Xiaomi Poco X3 NFC X
5"
IPS

720x1280

8
MP

1mp

1GB
RAM

Quad-core

2500
mAh

(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)} 25 Advantages Xiaomi Poco X3 NFC (128GB) vs Lumia 640 (Dual-Sim LTE)} 6 Advantages Microsoft Lumia 640 (Dual-Sim LTE)
+2.3GHz 64bit Octa-core (8nm)182%
More powerful processor, you can open your applications faster
vs1.2GHz 32bit Quad-core
+6GB LPDDR4X5 times
More RAM memory. Typically more responsive and better for multitasking.
vs1GB LPDDR2
+128GB (106GB available)34 times
More internal storage for applications and files
vs8GB (3GB available)
+Until 1TB microSD, microSDXC7 times
More external storage for files using memory cards
vsUntil 128GB microSD, microSDXC
+1080x2400 pixels181%
Higher resolution screen
vs720x1280 pixels
+395 PPI34%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs294 PPI
+6.67"33%
Larger screen
vs5"
+(quad camera) 64MP + 13MP + 2MP + 2MP9 times
Higher resolution main camera
vs(back) 8MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+1/1.73" inches131%
The larger sensor camera lets you take photos with better depth.
vs1/4" inches
+f/1.9 (aperture)16%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.2 (aperture)
+(front) 20MP21 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 1MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+3500000 apps (Google Play Store)4 times
More apps available to download and use
vs700000 apps (Marketplace)
+(4G LTE-A) 800 Mbps4 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+Face unlock 2DAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+5160 mAh106%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2500 mAh
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 b/g/n [wifi4]
+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster
vs4.0 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+IP53 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
215 grams (7.53 ounces)vs+145 grams (5.08 ounces)48%
Lighter
9.4 millimeters (0.37 inches)vs+8.8 millimeters (0.35 inches)7%
Thinner
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
LiPo: li-ion polymer (Non removable)vs+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
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.
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

22 Common items in both devices
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus / Autofocus
4G LTE-A / 4G LTE
Capacitive
Multitouch
+15 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)Microsoft Lumia 640 (Dual-Sim LTE)
ModelPoco X3 NFC (128GB)Lumia 640 (Dual-Sim LTE)
Other model namesPOCO X3 NFC M2007J20CG, M2007J20CTMicrosoft Lumia 640 LTE Dual Chip RM-1077, Lumia 640 RM-1077
Country or region available(Global, International)
(Global, International)
feature not registered
BrandXiaomiMicrosoft
Release date9/8/2020, Announced: 9/7/20204/1/2015
Depth9.4 millimeters (0.37 inches)8.8 millimeters (0.35 inches)
Size (width x height)76.8 x 165.3 millimeters (3.02 x 6.51 in)72.2 x 141.3 millimeters (2.84 x 5.56 in)
Weight215 grams (7.53 ounces)145 grams (5.08 ounces)
Build, materialsAluminum body, glass front, plastic backfeature not registered
Protection against water and othersIP53 certified: protection against dust and splashingNot supported

📲 Display

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.67" inches5" inches
Screen-to-body ratio~84.6% (screen-to-body ratio)~67.6% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)395 PPI294 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Refresh rate120Hzfeature not registered
Display features450nits[typ]
HDR10
feature not registered

🤖 Operating System

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
System versionAndroid 10Windows Phone 8.1
Firmware updateAndroid 11feature not registered
User InterfaceMIUI 12 / 12.5feature not registered

⚙️ Processor

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
Chipset64bit: Qualcomm Snapdragon 732G (SM7150-AC) (8nm)32bit: Qualcomm Snapdragon 400 MSM8926 (28nm)
CPUOcta-core, 2 processors:
2x 2.3GHz Kryo 470 Gold (Dual-core)
6x 1.8GHz Kryo 470 Silver (Hexa-core)
Quad-core, 1 processor:
4x 1.2GHz ARM Cortex-A7 (Quad-core)
GPU graphical controllerQualcomm Adreno 618Qualcomm Adreno 305 400Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
RAM memory6GB LPDDR4X1GB LPDDR2
Internal storage128GB (106GB available)
UFS 2.1
8GB (3GB available)
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 128GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
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)
micro-SIM (3FF)
Maximum Download / Upload800/150 Mbps150/50 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 850/900/1900/2100
Primary 4G networkLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat4 700/850/900/1700/1800/1900/2100/2300/2600 (Bands 1/2/3/4/5/7/8/12/17/20/28/32/38/40)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
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)Microsoft Lumia 640 (Dual-Sim LTE)
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
8 megapixels
Main camera resolution10120x6328 pixels3264x2448 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/1.9 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/1.73" inches1/4" inches
Pixel size0.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
Front camera (secondary)20 megapixels1 megapixels
Front camera resolution5184x3840 pixels1280x720 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.4" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered

🔉 Sound and multimedia

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
LoudspeakerStereo sound with dual speakers
24-bit/192kHz
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+

🔌 Connectivity

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.1 + A2DP/LE4.0 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portSupportedNot supported

🧭 Sensors

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity5160 mAh2500 mAh
Charger, watts33W Wired fast chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomyfeature not registered20 hours
Standbyfeature not registered840 hours (35 days)

➕ Other features

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
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: Black
• Lumia Denim UI
• Microsoft ClearBlack display
• OneDrive 30GB
• Beidou GPS
• WiFi hotspot

☢️ Radiation rate

Xiaomi Poco X3 NFC (128GB)Microsoft Lumia 640 (Dual-Sim LTE)
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)feature not registered
X

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