Microsoft Lumia 640 (Dual-Sim 3G) vs Xiaomi Redmi 6 Pro (32GB/4GB)

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Side by side comparison between Microsoft Lumia 640 vs Xiaomi Redmi 6 Pro phones, differences, pros, cons and full specifications. What's the better?

8/14/2018 7:27 PM, updated: 11/14/2021 10:48 AM

Compare Xiaomi Redmi 6 Pro X Microsoft Lumia 640 (Dual-Sim 3G) 05Points

Specifications Compare Models Pictures

5"
IPS

720x1280

8
MP

1mp

1GB
RAM

Quad-core

2500
mAh

(Removable)

19Points Xiaomi Redmi 6 Pro (32GB/4GB) Compare Microsoft Lumia 640 X

Specifications Compare Models Pictures

5.84"
IPS

1080x2280

12
MP

5mp

4GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 6 Pro (32GB/4GB)

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!

5 Advantages Microsoft Lumia 640 (Dual-Sim 3G)	vs	19 Advantages Xiaomi Redmi 6 Pro (32GB/4GB)
+145 grams (5.08 ounces)23% Lighter	vs	178 grams (6.23 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1.2GHz 32bit Quad-core	vs	+2GHz 64bit Octa-core (14nm)175% More powerful processor, you can open your applications faster
1GB LPDDR2	vs	+4GB LPDDR33 times More RAM memory. Typically more responsive and better for multitasking.
8GB (3GB available)	vs	+32GB (22GB available)6 times More internal storage for applications and files
Until 128GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC100% More external storage for files using memory cards
720x1280 pixels	vs	+1080x2280 pixels167% Higher resolution screen
294 PPI	vs	+432 PPI47% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+5.84"17% Larger screen
(back) 8MP	vs	+(dual camera) 12MP + 5MP113% Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 1MP	vs	+(front) 5MP4 times Higher resolution secondary camera to take pictures and selfies
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
700000 apps (Marketplace)	vs	+3500000 apps (Google Play Store)4 times More apps available to download and use
3G+ HSPA+	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G+ HSPA+) 42 Mbps	vs	+(4G LTE-A) 300 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2500 mAh	vs	+4000 mAh60% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.0 + A2DP	vs	+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster

20 Common items in both devices

8.8 millimeters (0.35 inches)

TFT IPS LCD

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

f/2.2 (aperture)

+13 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

📱 Model features
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Change model		Choose the model
Model	Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Other model names	Microsoft Lumia 640 3G Dual Sim, Microsoft RM-1109	红米6 Pro M1805D1SE, M1805D1SC, M1805D1ST, Xiaomi Sakura
Country or region available	feature not registered	China
Brand	Microsoft	Xiaomi
Release date	4/1/2015	6/1/2018
Depth	8.8 millimeters (0.35 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	72.2 x 141.3 millimeters (2.84 x 5.56 in)	71.7 x 149.3 millimeters (2.82 x 5.88 in)
Weight	145 grams (5.08 ounces)	178 grams (6.23 ounces)
Build, materials	feature not registered	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5" inches	5.84" inches
Screen-to-body ratio	~67.6% (screen-to-body ratio)	~79.5% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2280 pixels (19:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	294 PPI	432 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
System version	Windows Phone 8.1	Android 8.1 Oreo
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Chipset	32bit: Qualcomm Snapdragon 400 MSM8926 (28nm)	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	Qualcomm Adreno 305 400Mhz	Qualcomm Adreno 506 (650MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
RAM memory	1GB LPDDR2	4GB LPDDR3
Internal storage	8GB (3GB available)	32GB (22GB available) eMMC 5.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	42/5.76 Mbps	300/50 Mbps
Network technology	2G, 3G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat6 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Back camera (main camera)	8 megapixels	(dual camera) 12 megapixels 5MP depth f/2.21.12μm
Main camera resolution	3264x2448 pixels	4000x3000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/4" inches	feature not registered
Pixel size	feature not registered	1.25µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Front camera (secondary)	1 megapixels	5 megapixels
Front camera resolution	1280x720 pixels	2560x1920 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
USB	MicroUSB 2.0	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	4.2 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2500 mAh	4000 mAh
Charger, watts	Wired charging	10W (5V/2A) Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	20 hours	feature not registered
Standby	840 hours (35 days)	feature not registered
➕ Other features
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot	• Colors: Black, Gold, Blue, Red, Rose Gold • 2.5D curved glass screen • WiFi display
☢️ Radiation rate
	Microsoft Lumia 640 (Dual-Sim 3G)	Redmi 6 Pro (32GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered

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Microsoft Lumia 640 (Dual-Sim 3G) vs Xiaomi Redmi 6 Pro (32GB/4GB)

Side by side comparison between Microsoft Lumia 640 vs Xiaomi Redmi 6 Pro phones, differences, pros, cons and full specifications. What's the better?

What's the better phone? Xiaomi Redmi 6 Pro (32GB/4GB)

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate