Microsoft Lumia 640 (Dual-Sim 3G) vs Oppo Find X (256GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Microsoft Lumia 640 vs Oppo Find X phones, differences, pros, cons and full specifications. What's the better?

7/16/2018 2:47 PM, updated: 6/9/2025 11:20 PM

Compare Oppo Find X X Microsoft Lumia 640 (Dual-Sim 3G) 07Points

Specifications Compare Models Pictures

5"
IPS

720x1280

8
MP

1mp

1GB
RAM

Quad-core

2500
mAh

(Removable)

25Points Oppo Find X (256GB) Compare Microsoft Lumia 640 X

Specifications Compare Models Pictures

6.42"
AMOLED

1080x2340

16
MP

25mp

8GB
RAM

Octa-core

3730
mAh

(Non removable)

What's the better phone? Oppo Find X (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!

7 Advantages Microsoft Lumia 640 (Dual-Sim 3G)	vs	25 Advantages Oppo Find X (256GB)
+Until 128GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+145 grams (5.08 ounces)28% Lighter	vs	186 grams (6.51 ounces)
+8.8 millimeters (0.35 inches)7% Thinner	vs	9.4 millimeters (0.37 inches)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+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
1.2GHz 32bit Quad-core	vs	+2.8GHz 64bit Octa-core (10nm)2 times More powerful processor, you can open your applications faster
1GB LPDDR2	vs	+8GB LPDDR4X7 times More RAM memory. Typically more responsive and better for multitasking.
8GB (3GB available)	vs	+256GB (243GB available)80 times More internal storage for applications and files
TFT IPS LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
720x1280 pixels	vs	+1080x2340 pixels174% Higher resolution screen
294 PPI	vs	+401 PPI36% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+6.42"28% Larger screen
(back) 8MP	vs	+(dual camera) 16MP + 20MP3 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
1/4" inches	vs	+1/2.6" inches54% The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)	vs	+f/2.0 (aperture)10% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 1MP	vs	+(front) 25MP26 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(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) 1024 Mbps23 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 3DAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2500 mAh	vs	+3730 mAh49% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

19 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

BSI sensor

Capacitive

Multitouch

Accelerometer

+12 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)	Oppo Find X (256GB)
Change model		Choose the model
Model	Lumia 640 (Dual-Sim 3G)	Find X (256GB)
Other model names	Microsoft Lumia 640 3G Dual Sim, Microsoft RM-1109	BBK Oppo Find X PAFM00, PAFT00
Country or region available	feature not registered	(Global, International), China, Hong Kong
Brand	Microsoft	Oppo
Release date	4/1/2015	7/1/2018
Depth	8.8 millimeters (0.35 inches)	9.4 millimeters (0.37 inches)
Size (width x height)	72.2 x 141.3 millimeters (2.84 x 5.56 in)	74.2 x 156.7 millimeters (2.92 x 6.17 in)
Weight	145 grams (5.08 ounces)	186 grams (6.51 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back Back: Gorilla Glass 5
Protection against water and others	Not supported	Not supported
📲 Display
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
Display type	TFT IPS LCD	AMOLED
Screen size	5" inches	6.42" inches
Screen-to-body ratio	~67.6% (screen-to-body ratio)	~87% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	294 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
System version	Windows Phone 8.1	Android 8.1 Oreo
Firmware update	feature not registered	Android 10
User Interface	feature not registered	ColorOS 5.1 / 7.0
⚙️ Processor
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
Chipset	32bit: Qualcomm Snapdragon 400 MSM8926 (28nm)	64bit: Qualcomm Snapdragon 845 (SDM845) (10nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core)	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 305 400Mhz	Qualcomm Adreno 630 (710MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
RAM memory	1GB LPDDR2	8GB LPDDR4X
Internal storage	8GB (3GB available)	256GB (243GB available) UFS 2.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	42/5.76 Mbps	1024/150 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 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 32, 66) TD-LTE (34, 38, 39, 40, 41)
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)	Oppo Find X (256GB)
Back camera (main camera)	8 megapixels	(dual camera) 16 megapixels 20MP f/2.01/2.8"1.0µm
Main camera resolution	3264x2448 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/4" inches	1/2.6" inches
Pixel size	feature not registered	1.22µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection	Face detection, Smile detection
BSI sensor	Supported	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)	Oppo Find X (256GB)
Front camera (secondary)	1 megapixels	25 megapixels *Motorized pop-up camera (slider)
Front camera resolution	1280x720 pixels	5760x4320 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)	Oppo Find X (256GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.265, H.264, H.263, DivX, XviD
Audio formats	MP3, WAV, WMA, eAAC+	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 3D Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2500 mAh	3730 mAh
Charger, watts	Wired charging	50W Wired fast charging VOOC 3.0
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)	Oppo Find X (256GB)
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: Bordeaux Red, Glacier Blue
☢️ Radiation rate
	Microsoft Lumia 640 (Dual-Sim 3G)	Oppo Find X (256GB)
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