Compare Nokia Lumia 521 vs Nokia Lumia 635 vs Lenovo K6 Note 3GB RAM

Summary
55%
89%
Display

4" (Small)

800x480, Avg sharpness

4.5" (Medium)

480x854, Avg sharpness

5.5" (Large)

Full HD, Very Sharp

Performance

Dual core

1 GHz, 512 MB RAM

Quad core

1.2 GHz, 512 MB RAM

Octa core

1.4 GHz, 3 GB RAM

Storage

8 GB

64 GB (Expandable)

8 GB

128 GB (Expandable)

32 GB

128 GB (Expandable)

Camera

5 MP (Main)

5 MP (Main)

16 MP (Main)

8 MP (Front)

Battery

1430 mAh

9 h talktime (3G)

1830 mAh

14 h talktime (3G)

4000 mAh

31 h talktime (4G)

Expert Rating
User Rating
General
Launch Date

December 16, 2016 (Official)

Operating System

Windows Phone v8

Windows Phone v8.1

Android v6.0 (Marshmallow)

SIM Slot(s)

Single SIM, GSM

Single SIM, GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Micro

SIM1: Micro

SIM1: Nano
SIM2: Nano (Hybrid)

Network

3G: Yes, 2G: Yes

4G: Yes (doesn't support Indian bands)
3G: Yes, 2G: Yes

4G: Yes (supports Indian bands)
3G: Yes, 2G: Yes

Fingerprint Sensor

Quick Charging

No

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 124 mm
Width: 64 mm
Thickness: 9.9 mm

Height: 129.5 mm
Width: 66.7 mm
Thickness: 9.2 mm

Height: 151 mm
Width: 76 mm
Thickness: 8.4 mm

Weight

124.5 grams

134 grams

169 grams

Build Material

Case: Plastic
Back: Plastic

Case: Metal
Back: Metal

Colours

Display
Good
Excellent
Screen Resolution

800 x 480 pixels

480 x 854 pixels

Full HD (1080 x 1920 pixels)

Pixel Density

233 ppi

218 ppi

401 ppi

Display Type

IPS LCD

IPS LCD

IPS LCD

Screen Protection

Corning Gorilla Glass v3

Touch Screen

Multi-touch

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Screen to Body Ratio

57.33 %

64.59 %

72.5 %

Performance
Below Average
Very Good
Chipset

Qualcomm Snapdragon 400

Qualcomm Snapdragon 430 MSM8937

Processor

Dual core, 1 GHz, Qualcomm Snapdragon S4

Quad core, 1.2 GHz, Cortex A7

Octa core, 1.4 GHz, Cortex A53

Architecture

64 bit

Graphics

Adreno 305

Adreno 505

RAM

512 MB

512 MB

3 GB

Storage
Very Good
Best in Class
Internal Memory

8 GB

8 GB

32 GB

Expandable Memory

Up to 64 GB

Up to 128 GB

Up to 128 GB

USB OTG Support

Camera
Average
Very Good
Main Camera
Resolution

5 MP Primary Camera

5 MP Primary Camera

16 MP Primary Camera

Sensor

CMOS image sensor

Autofocus

Phase Detection autofocus

Optical Image Stabilisation

No

Flash

No

Dual-color LED Flash

Image Resolution

2592 x 1936 Pixels

2592 x 1944 Pixels

4616 x 3464 Pixels

Settings

Exposure compensation

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting, High Dynamic Range mode (HDR)

Camera Features

4 x Digital Zoom, Touch to focus

4 x Digital Zoom, Touch to focus

Digital Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

1280x720 @ 30 fps

1280x720 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Resolution

8 MP Front Camera

Autofocus

No

Flash

No

Battery
Average
Excellent
Capacity

1430 mAh

1830 mAh

4000 mAh

Type

Li-ion

Li-ion

Li-Polymer

User Replaceable

No

Standby Time

Up to 400 Hours(3G)

Up to 27 Day(2G)

Network & Connectivity
SIM Size

SIM1: Micro

SIM1: Micro

SIM1: Nano
SIM2: Nano (Hybrid)

VoLTE

SIM 1

3G, 2G

4G (doesn't support Indian bands), 3G, 2G

4G (supports Indian bands), 3G, 2G

SIM 2

4G (supports Indian bands), 3G, 2G

Bluetooth

v3.0

v4.0

v4.2

GPS

with A-GPS, Glonass

with A-GPS, Glonass

with A-GPS

NFC

No

USB Connectivity

USB 2.0, microUSB

microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Audio Features

Dolby Digital

Dolby Atmos

Special Features
Fingerprint Sensor

Fingerprint Sensor Position

Back

Other Sensors

Light sensor, Proximity sensor, Accelerometer

Proximity sensor, Accelerometer, Compass

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Price list

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Rs. 14,099