In depth comparison and review of Nokia Lumia 1520 and Nokia Lumia 635. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 162.8 mm | 129.5 mm | Nokia Lumia 1520 has greater height than Nokia Lumia 635. |
| Width | 85.4 mm | 66.7 mm | Nokia Lumia 1520 has greater width than Nokia Lumia 635. |
| Depth | 8.7 mm | 9.2 mm | Nokia Lumia 1520 is narrower than Nokia Lumia 1520. |
| Weight | 209 g | 134 g | Nokia Lumia 635 is lighter than Nokia Lumia 1520. |
| Body Colour | Yellow | Glossy red | Black | White | Matte black | Bright green | Bright orange | White | Black | Bright yellow | |
| Body Material | - | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.2 W/kg (body), 0.64 W/kg (head) | 0.79 W/kg (body), 0.79 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset / AV composite out - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset / AV composite out - mini-phone 3.5mm |
|
| SIM Card Type (Size) | - | Micro SIM |
| DISPLAY | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 6" | 4.5" | Nokia Lumia 1520 has larger screen size than Nokia Lumia 635. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 480 x 854 pixels | Nokia Lumia 1520 has better screen resolution than Nokia Lumia 635. |
| Display Format | Full HD | - | |
| Pixel Density | 368 ppi | 221 ppi | Nokia Lumia 1520 has better pixel density than Nokia Lumia 635. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | ClearBlack | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 2 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 800 | Qualcomm Snapdragon 400 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 1.2 GHz | Nokia Lumia 1520 has higher clock speed than Nokia Lumia 635. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| MEMORY | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| RAM | 2 GB | 512 MB | Nokia Lumia 1520 has more RAM than Nokia Lumia 635. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 8 GB | Nokia Lumia 1520 has more internal memory than Nokia Lumia 635. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 64 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 20 Megapixel | 5 Megapixel | Nokia Lumia 1520 has better camera resolution than Nokia Lumia 635. |
| Sensor Type | BSI | - | |
| Lens Aperture | F/2.4 | F/2.4 | Both phones have the same camera lens aperture. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Nokia Lumia 1520 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 26 mm | 28 mm | |
| Digital Zoom | 3x | 4x | Nokia Lumia 635 has better digital zoom than Nokia Lumia 1520. |
| Camera Modes | - | Panoramic pictures, landscape/portrait mode, night mode, sport mode | |
| White Balance | Automatic, presets | Automatic, presets | |
| Light Source | Dual LED flash | - | |
| Video Resolutions | 1920 x 1080 (1080p) | 1280 x 720 (720p) | |
| Camera Features (Functions) | Carl Zeiss optic, PureView technology | Auto exposure, exposure compensation, Lumia Refocus |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 0 | 0 |
|---|
| BATTERY AND CHARGING | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Battery Capacity (Battery Size) | 3400 mAh | 1830 mAh | Nokia Lumia 1520 has larger battery capacity than Nokia Lumia 635. |
|---|---|---|---|
| Wireless Charging | Yes | - | Nokia Lumia 1520 can be charged wirelessly. |
| Standby Time | 768 hours | 648 hours | Nokia Lumia 1520 has longer standby time than Nokia Lumia 635. |
| Talk Time | 1644 minutes | 840 minutes | Nokia Lumia 1520 has longer battery life when making calls than Nokia Lumia 635. |
| Run Time Details | Talk (GSM): up to 1644 min Standby: up to 768 hrs Talk (WCDMA): up to 1506 min Playback (Music): up to 124 hrs Playback (video): up to 10.8 hrs Continuous browsing (Wi-Fi): up to 13.6 hrs |
Talk (GSM): up to 720 min Talk (WCDMA): up to 840 min Playback (Music): up to 58 hrs Playback (video): up to 7 hrs Active online usage (Wi-Fi): up to 9.4 hrs Active online usage: up to 8.8 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Windows Phone OS 8 | Windows Phone OS 8.1 with Lumia Cyan update | |
| Intelligent Assistant | - | Cortana | |
| Navigation | A-GPS, GLONASS | A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, LTE, DC-HSDPA | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20 | Band 2, Band 4, Band 5, Band 7, Band 17 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700b | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.0 | |
| Bluetooth Profiles | HFP, OPP, A2DP, AVRCP, GAVDP, PBAP | HFP, OPP, A2DP, AVRCP, PBAP, GATT | |
| NFC | Yes | - | Nokia Lumia 1520 has NFC reader for mobile payments. |
| WLAN Security | WEP, WPA, WPA2, TKIP, AES | WEP, WPA, WPA2, TKIP, AES | |
| Communication Features | Mobile Email client, Internet browser | Mobile Email client, Internet browser, LTE Cat.3 | |
| Messaging Services | Google Talk, Windows Live Messenger (MSN Messenger), Yahoo! Messenger, Skype, Twitter IM, WhatsApp, Facebook Messenger, SMS, MMS | Skype, WhatsApp, SMS, MMS |
| MEDIA | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Supported Digital Audio Standards | WMA, AAC, ASF, AMR, MP3, AAC-LC, AAC +, eAAC+, M4A, HE-AAC, WMA 10 Pro, WMA 9 | WMA, AAC, ASF, AMR, MP3, AAC-LC, M4A | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, AVC, AVI, MOV, MPEG-4, WMV, 3GP, H.264, H.263, M4V | VC-1, AVC, MPEG-4, WMV, 3GP, H.264, H.263, 3G2 |
| FEATURES | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor | Accelerometer | |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | Calendar, synchronization with PC, calculator, reminder, alarm clock | |
| Additional Phone Features | TTY compatible, Text-to-Speech (text recognition), Kid's Corner, Nokia Rich Recording technology, Nokia Glance screen, Lumia Color profile, Dolby Headphone support | TTY compatible, DLNA Certified, Text-to-Speech (text recognition), software updates FOTA (Firmware Over The Air), multitasking, sharing media via DLNA, Kid's Corner, Noise Cancellation Technology, Lumia Color profile, Wireless Emergency Alerts function, SensorCore technology, Projection Screen, Alarm Clock |
| OTHERS | Nokia Lumia 1520 | Nokia Lumia 635 |
|---|
| Included Accessories | Data cable, stereo headset, power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | HAC (Hearing Aid Compatible), SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B ciphers | |
| Compatible with Windows 7 | "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7. | "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7. |
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