Microsoft Lumia 638
₹11,990
(Discontinued)
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Kekai K21
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Microsoft Lumia 638 vs Kekai K21
Comparing the Microsoft Lumia 638 vs Kekai K21 across display, camera and battery to help determine the better smartphone.
Here is the summary of the results:
Display: Microsoft Lumia 638 offers a screen size of 4.5 inches, while Kekai K21 offers 1.8 inches, making Microsoft Lumia 638 the larger display of the two. Microsoft Lumia 638 features a IPS LCD display compared to Kekai K21's TFT, making Microsoft Lumia 638 the better display of the two.
Rear Camera: Microsoft Lumia 638 offers a higher rear camera resolution with 5 MP, while Kekai K21 offers 0.3 MP, making Microsoft Lumia 638 better for rear camera photography.
Battery: Microsoft Lumia 638 offers a higher battery capacity with 1830 mAh, while Kekai K21 offers 1500 mAh, making Microsoft Lumia 638 better for longer battery life.
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✕
Microsoft Lumia 638
₹11,990
(Discontinued)
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✕
Kekai K21
|
Add to Compare
|
Summary
Release Date
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18 Dec, 2014
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N/A
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Performance
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Snapdragon 400
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N/A
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(upto 1.2 GHz)
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N/A
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1 GB RAM
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N/A
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Display
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4.5 inches (11.43 cm)
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1.8 inches (4.57 cm)
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IPS LCD
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TFT
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480x854 px
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128x160 px
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Rear Camera
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5 MP
Primary Camera
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0.3 MP
Primary Camera
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Battery
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1830 mAh
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1500 mAh
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Storage
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8 GB
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N/A
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User Ratings
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4/5
(603 ratings)
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N/A
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User Feedback
General
Operating System
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Windows Phone v8.1
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N/A
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Performance
Chipset
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Qualcomm Snapdragon 400 MSM8926
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N/A
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Processor
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Quad core, 1.2 GHz, Cortex A7
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N/A
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Graphics (GPU)
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Adreno 305
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N/A
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RAM
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1 GB
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N/A
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Display
Display Type
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IPS LCD
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TFT
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Screen Size
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4.5 inches (11.43 cm)
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1.8 inches (4.57 cm)
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Resolution
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480x854 px
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128x160 px
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Pixel Density
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218 ppi
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114 ppi
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Screen to Body Ratio (calculated)
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64.59 %
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N/A
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Design
Height
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129.5 mm
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N/A
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Width
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66.7 mm
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N/A
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Thickness
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9.2 mm
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N/A
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Weight
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134 grams
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N/A
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Rear Camera
Resolution
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5 MP
Primary Camera4x Digital Zoomf/2.428 mm focal length |
0.3 MP
Primary Camera |
Autofocus
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Yes
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N/A
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Image Resolution
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2592 x 1944 Pixels
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640 x 480 Pixels
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Settings
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Exposure compensation ISO control
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N/A
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Shooting Modes
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Macro Mode
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N/A
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Camera Features
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4 x Digital Zoom
Face detection Touch to focus |
Digital Zoom
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Video Recording
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1280x720 @ 30 fps
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N/A
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Battery
Capacity
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1830 mAh
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1500 mAh
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Battery Type
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Li-ion
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Li-ion
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TalkTime
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N/A
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Up to 8 Hours(2G)
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Storage
Internal Storage
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8 GB
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N/A
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Expandable Storage
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Yes Up to 128 GB
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Yes Up to 8 GB
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Network & Connectivity
SIM Slot(s)
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Single SIM
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Dual SIM
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SIM Type
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SIM1: Micro
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SIM1: Mini SIM2: Mini
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Network Support
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5G Not Supported 4G
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5G Not Supported
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SIM 1
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4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 1800(band 3) / 2600(band 7) |
N/A
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4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
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N/A
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Wi-Fi
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Yes Wi-Fi 4 (802.11 b/g/n)
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N/A
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Bluetooth
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Yes v4.0
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Yes
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GPS
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Yes with A-GPS Glonass
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N/A
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Multimedia
Audio Jack
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3.5 mm
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3.5 mm
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Video Player
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N/A
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Yes Video Formats: 3GP MPEG4
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Ring Tone
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N/A
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Music ringtones Polyphonic ringtones Vibration
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Music
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N/A
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Yes Music Formats: MP3
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Special Features
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N/A
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Torch Light Voice recording
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Sensors
Other Sensors
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Accelerometer
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N/A
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Games
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N/A
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Yes
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Browser
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N/A
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Yes WAP
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Phone Book
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N/A
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Yes Limited 300 entries
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Other Facilities
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N/A
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Calculator Stopwatch Calendar Alarm
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