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Nokia Lumia 635 (RM-974) vs Nokia Lumia 520

Side by side comparison between Nokia Lumia 635 vs Nokia Lumia 520 phones, differences, pros, cons and full specifications. What's the better?

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Compare Nokia Lumia 520 X Nokia Lumia 635 (RM-974) 11Points
Nokia Lumia 635 (RM-974)
Specifications Compare Models Pictures
4.5"
IPS

480x854

5
MP
512MB
RAM

Quad-core

1830
mAh

(Removable)

vs
04Points Nokia Lumia 520 Compare Nokia Lumia 635 X
Nokia Lumia 520
Specifications Compare Models Pictures
4"
IPS

480x800

5
MP
512MB
RAM

Dual-core

1430
mAh

(Removable)

What's the better phone? Nokia Lumia 635 (RM-974)

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!

22 Common items in both devices
512MB / 512MB LPDDR2
TFT IPS LCD
16 million
(back) 5MP
Only digital zoom
Autofocus
1/4" inches
+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

Nokia Lumia 635 (RM-974)Nokia Lumia 520
 
ModelLumia 635 (RM-974)Lumia 520
Other model namesNokia Lumia 635 Global RM-974Nokia Lumia 520 RM-914, Nokia Lumia 520.2 RM-915
Country or region available(Global, International)
(Global, International)		(Global, International)
(Global, International)
BrandNokiaNokia
Release date5/1/20143/1/2013
Depth9.2 millimeters (0.36 inches)9.9 millimeters (0.39 inches)
Size (width x height)66.7 x 129.5 millimeters (2.63 x 5.1 in)64 x 119.9 millimeters (2.52 x 4.72 in)
Weight134 grams (4.69 ounces)124 grams (4.34 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Nokia Lumia 635 (RM-974)Nokia Lumia 520
Display typeTFT IPS LCDTFT IPS LCD
Screen size4.5" inches4" inches
Screen-to-body ratio~64.6% (screen-to-body ratio)~59.3% (screen-to-body ratio)
Display resolution480x854 pixels480x800 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)218 PPI233 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Scratch-resistant glass
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Nokia Lumia 635 (RM-974)Nokia Lumia 520
System versionWindows Phone 8.1Windows Phone 8.0 Apollo
Firmware updatefeature not registeredWindows Phone 8.0 Amber
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Nokia Lumia 635 (RM-974)Nokia Lumia 520
Chipset32bit: Qualcomm Snapdragon 40032bit: Qualcomm Snapdragon S4 Plus MSM8227
CPUQuad-core, 1 processor:
4x 1.2GHz ARM Cortex-A7 (Quad-core)		Dual-core, 1 processor:
2x 1GHz Krait (Dual-core)
GPU graphical controllerQualcomm Adreno 305Qualcomm Adreno 305
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Nokia Lumia 635 (RM-974)Nokia Lumia 520
RAM memory512MB512MB LPDDR2
Internal storage8GB8GB (5GB available)
External storageUntil 128GB microSD, microSDXC
(dedicated slot)		Until 64GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Nokia Lumia 635 (RM-974)Nokia Lumia 520
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
micro-SIM (3FF)		1 slot (Single-SIM)
micro-SIM (3FF)
Maximum Download / Upload100/50 Mbps21/5.76 Mbps
Network technology2G, 3G, 4G2G, 3G
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 850/900/1900/2100RM-915 model:
UMTS 850/1900/2100
RM-917 model:
UMTS 850/1700/1900/2100
Primary 4G networkLTE Cat3 800/1800/2600 (Bands 3,7,20)Not supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
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)Nokia Lumia 520
Back camera (main camera)5 megapixels5 megapixels
Main camera resolution2592x1944 pixels2592x1936 pixels
Video recording (primary)HD (1280x720) 30 fpsHD (1280x720) 30 fps
FlashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.4 (aperture)
Focal lengthfeature not registered28mm lens
Sensor size1/4" inches1/4" inches
Pixel sizefeature not registeredfeature not registered
AutofocusAutofocusAutofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredNot supported
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection
BSI sensorNot supportedNot supported
HDRNot supportedNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Nokia Lumia 635 (RM-974)Nokia Lumia 520
Front camera (secondary)Not supportedNot supported
Front camera resolutionNot supportedNot supported
Video recording (secondary)Not supportedNot supported
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)Nokia Lumia 520
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)Nokia Lumia 520
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP3.0 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Nokia Lumia 635 (RM-974)Nokia Lumia 520
SensorsAccelerometer
Proximity sensor		Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Nokia Lumia 635 (RM-974)Nokia Lumia 520
Battery typeLi-Ion: lithium-ion (Removable)
BL-5H		Li-Ion: lithium-ion (Removable)
BL-5J
Battery capacity1830 mAh1430 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy14 hours9.7 hours
Standby600 hours (25 days)360 hours (15 days)

➕ Other features

Nokia Lumia 635 (RM-974)Nokia Lumia 520
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (Swype), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedNot supported
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: Red, Yellow, Cyan, White on black
• Nokia ClearBlack Display
• 7GB free SkyDrive storage

☢️ Radiation rate

Nokia Lumia 635 (RM-974)Nokia Lumia 520
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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