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Nokia Lumia 635 (RM-974) vs Microsoft Lumia 640 (LTE)

Side by side comparison between Nokia Lumia 635 vs Microsoft Lumia 640 phones, differences, pros, cons and full specifications. What's the better?

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Compare Microsoft Lumia 640 X Nokia Lumia 635 (RM-974) 02Points
Nokia Lumia 635 (RM-974)
Specifications Compare Models Pictures
4.5"
IPS

480x854

5
MP
512MB
RAM

Quad-core

1830
mAh

(Removable)

vs
16Points Microsoft Lumia 640 (LTE) Compare Nokia Lumia 635 X
Microsoft Lumia 640 (LTE)
Specifications Compare Models Pictures
5"
IPS

720x1280

8
MP

1mp

1GB
RAM

Quad-core

2500
mAh

(Removable)

What's the better phone? Microsoft Lumia 640 (LTE)

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!

Lumia 635 (RM-974)} 2 Advantages Nokia Lumia 635 (RM-974) vs Lumia 640 (LTE)} 16 Advantages Microsoft Lumia 640 (LTE)
+8GB167%
More internal storage for applications and files		vs8GB (3GB available)
+134 grams (4.69 ounces)8%
Lighter		vs145 grams (5.08 ounces)
512MBvs+1GB LPDDR2100%
More RAM memory. Typically more responsive and better for multitasking.
9.2 millimeters (0.36 inches)vs+8.8 millimeters (0.35 inches)5%
Thinner
480x854 pixelsvs+720x1280 pixels125%
Higher resolution screen
218 PPIvs+294 PPI35%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+5"11%
Larger screen
(back) 5MPvs+(back) 8MP59%
Higher resolution main camera
Not supportedvs+LED flashAdvantage
The LED flash helps in dark places or in low light
Not supportedvs+HDR photo only main cameraAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.4 (aperture)vs+f/2.2 (aperture)9%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Not supportedvs+(front) 1MPAdvantage
A front-camera is best for taking selfies
HD (1280x720)vs+Full HD (1920x1080)125%
More image quality for recording videos with the primary camera
(4G LTE) 100 Mbpsvs+(4G LTE) 150 Mbps50%
Faster for surfing the internet and download files
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
1830 mAhvs+2500 mAh37%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
23 Common items in both devices
1.2GHz 32bit Quad-core
Until 128GB microSD, microSDXC
TFT IPS LCD
16 million
Only digital zoom
Autofocus
1/4" inches
+16 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

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
ModelLumia 635 (RM-974)Lumia 640 (LTE)
Other model namesNokia Lumia 635 Global RM-974AT&T Microsoft Lumia 640 4G RM-1072, Lumia 640 RM-1073
Country or region available(Global, International)
(Global, International)		feature not registered
BrandNokiaMicrosoft
Release date5/1/20144/1/2015
Depth9.2 millimeters (0.36 inches)8.8 millimeters (0.35 inches)
Size (width x height)66.7 x 129.5 millimeters (2.63 x 5.1 in)72.2 x 141.3 millimeters (2.84 x 5.56 in)
Weight134 grams (4.69 ounces)145 grams (5.08 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
Display typeTFT IPS LCDTFT IPS LCD
Screen size4.5" inches5" inches
Screen-to-body ratio~64.6% (screen-to-body ratio)~67.6% (screen-to-body ratio)
Display resolution480x854 pixels720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)218 PPI294 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
System versionWindows Phone 8.1Windows Phone 8.1
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
Chipset32bit: Qualcomm Snapdragon 40032bit: Qualcomm Snapdragon 400 MSM8926 (28nm)
CPUQuad-core, 1 processor:
4x 1.2GHz ARM Cortex-A7 (Quad-core)		Quad-core, 1 processor:
4x 1.2GHz ARM Cortex-A7 (Quad-core)
GPU graphical controllerQualcomm Adreno 305Qualcomm Adreno 305 400Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
RAM memory512MB1GB LPDDR2
Internal storage8GB8GB (3GB available)
External storageUntil 128GB microSD, microSDXC
(dedicated slot)		Until 128GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
micro-SIM (3FF)		1 slot (Single-SIM)
micro-SIM (3FF)
Maximum Download / Upload100/50 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 850/900/1900/2100UMTS 850/900/2100
Primary 4G networkLTE Cat3 800/1800/2600 (Bands 3,7,20)LTE Cat4 800/900/1800/2100/2600 (Bands 1/3/7/8/20)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
Back camera (main camera)5 megapixels8 megapixels
Main camera resolution2592x1944 pixels3264x2448 pixels
Video recording (primary)HD (1280x720) 30 fpsFull HD (1920x1080) 30 fps
FlashNot supportedLED flash
Focal aperturef/2.4 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/4" inches1/4" inches
Pixel sizefeature not registeredfeature not registered
AutofocusAutofocusAutofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection
BSI sensorNot supportedSupported
HDRNot supportedHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
Front camera (secondary)Not supported1 megapixels
Front camera resolutionNot supported1280x720 pixels
Video recording (secondary)Not supportedHD (1280x720)
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, WMVMP4, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+

🔌 Connectivity

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP4.0 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
SensorsAccelerometer
Proximity sensor		Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
Battery typeLi-Ion: lithium-ion (Removable)
BL-5H		Li-Ion: lithium-ion (Removable)
Battery capacity1830 mAh2500 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy14 hours20 hours
Standby600 hours (25 days)840 hours (35 days)

➕ Other features

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (Swype), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Orange, Yellow, White, Black, Green
• Nokia ClearBlack display
• Dolby headphone sound enhancement
• Internet Explorer 11
• 7GB free SkyDrive storage
• Facebook, LinkedIn, Twitter, WhatsApp
• WiFi hotspot up to 8 devices		• Colors: Black
• Lumia Denim UI
• Microsoft ClearBlack display
• OneDrive 30GB
• Beidou GPS
• WiFi hotspot

☢️ Radiation rate

Nokia Lumia 635 (RM-974)Microsoft Lumia 640 (LTE)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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