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Microsoft Lumia 638 vs Kekai K21

Compare Microsoft Lumia 638

Rs. 11,990
(Discontinued)

 

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Compare Kekai K21

NA
(Discontinued)

 

View Details >

Summary
Performance

Snapdragon 400

1 GB RAM

N/A

Display

4.5" (11.43 cm)

480x854 px, 218 PPI

1.8" (4.57 cm)

128x160 px, 114 PPI

Rear Camera

5 MP

Single Camera

0.3 MP

Single Camera

Battery

1830 mAh

1500 mAh

8 h talktime (2G)

Storage

8 GB

128 GB (Expandable)

N/A

Front Camera

N/A

N/A

User Rating

★★★★★
★★★★★

3.9/5 based on 1,410 ratings

Read All User Reviews

★★★★★
★★★★★

3.8/5 based on 32 ratings

Read All User Reviews

Best Prices
Microsoft Lumia 638 is currently not available in any online store.
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Kekai K21 is currently not available in any online store.
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General
Operating System

Windows Phone v8.1

Performance
Chipset

Qualcomm Snapdragon 400 MSM8926

CPU

Quad core, 1.2 GHz, Cortex A7

Graphics

Adreno 305

RAM

1 GB

Display
Display Type

IPS LCD

TFT

Screen Size

4.5 " (11.43 cm)

1.8 " (4.57 cm)

Resolution

480 x 854 pixels

128 x 160 pixels

Pixel Density

218 ppi

114 ppi

Screen to Body Ratio (calculated)

64.59 %

Touch Screen

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Dimensions

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

Weight

134 grams

Colours

Black, White

Black

Camera
Main Camera
Camera Setup

Single

Single

Resolution

5 MP f/2.4, Primary Camera(28 mm focal length)

0.3 MP Primary Camera

Autofocus

Image Resolution

2592 x 1944 Pixels

640 x 480 Pixels

Settings

Exposure compensation, ISO control

Camera Features

4 x Digital Zoom
Face detection
Touch to focus

Digital Zoom

Video Recording

1280x720 @ 30 fps

Front Camera
Battery
Capacity

1830 mAh

1500 mAh

Type

Li-ion

Li-ion

TalkTime

Up to 8 Hours(2G)

Standby time

Up to 30 Day(2G)

Storage
Internal Memory

8 GB

Expandable Memory

, Up to 128 GB

, Up to 8 GB

Network & Connectivity
SIM Slot(s)

Single SIM, GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Micro

SIM1: Mini
SIM2: Mini

Network Support

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

2G

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 1800(band 3) / 2600(band 7)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
4G Speed:
50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
3G Speed:
HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑
GPRS:
Available
EDGE:
Available
Read More..

2G Bands:
GSM 1800 / 900 MHz
GPRS:
Available

SIM 2

2G Bands:
GSM 1800 / 900 MHz

Wi-Fi

, Wi-Fi 802.11, b/g/n

Bluetooth

, v4.0

GPS

with A-GPS, Glonass

USB Connectivity

microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Video Player

, Video Formats: 3GP, MPEG4

Ring Tone

Music ringtones, Polyphonic ringtones, Vibration

Music

, Music Formats: MP3

Special Features

Torch Light, Voice recording

Sensors
Other Sensors

Accelerometer

Games

Browser

, WAP

Phone Book

, Limited, 300 entries

Other Facilities

Calculator, Stopwatch, Calendar, Alarm