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Xiaomi Mi4 vs Microsoft Lumia 638

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Rs. 14,999
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Compare Microsoft Lumia 638

Rs. 11,990
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Summary
70%
Performance

Snapdragon 801

3 GB RAM

Snapdragon 400

1 GB RAM

Display

5" (12.7 cm)

1080x1920 px (FULL HD)

4.5" (11.43 cm)

480x854 px

Rear Camera

13 MP

Single Camera

5 MP

Single Camera

Front Camera

8 MP

Single Camera

N/A

Battery

3080 mAh

1830 mAh

Storage

16 GB

Non Expandable

8 GB

128 GB (Expandable)

Expert Rating

4.5/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.1/5 based on 25,143 ratings

Read All User Reviews

★★★★★
★★★★★

3.9/5 based on 1,410 ratings

Read All User Reviews

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Not Available in any store
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Microsoft Lumia 638 is permanently discontinued.
General
Launch Date

February 10, 2015 (Official)

Operating System

Android v4.4.3 (Kitkat)

Windows Phone v8.1

Performance
Average
Chipset

Qualcomm Snapdragon 801 MSM8974AC

Qualcomm Snapdragon 400 MSM8926

CPU

Quad core, 2.5 GHz, Krait 400

Quad core, 1.2 GHz, Cortex A7

Graphics

Adreno 330

Adreno 305

RAM

3 GB

1 GB

RAM Type

LPDDR3

Display
Good
Display Type

IPS LCD

IPS LCD

Screen Size

5 " (12.7 cm)

4.5 " (11.43 cm)

Resolution

1080x1920 px (FULL HD)

480x854 px

Pixel Density

441 ppi

218 ppi

Screen to Body Ratio (calculated)

72.11 %

64.59 %

Screen Protection

No

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Size Compare
Dimensions

Height: 139.2 mm
Width: 68.5 mm
Thickness: 8.9 mm

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

Weight

149 grams

134 grams

Build Material

Case: Stainless steel
Back: Stainless steel

Colours

Black, White

Black, White

Camera
Main Camera
Camera Setup

Single

Single

Resolution

13 MP f/1.8, Primary Camera

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

Sensor

IMX214, Exmor-RS CMOS Sensor

Autofocus

OIS

No

Flash

, LED Flash

Image Resolution

4128 x 3096 Pixels

2592 x 1944 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Burst mode

Macro Mode

Camera Features

Digital Zoom
Auto Flash
Digital image stabilization
Face detection
Simultaneous HD video and image recording
Touch to focus

4 x Digital Zoom
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 30 fps
1280x720 @ 120 fps

1280x720 @ 30 fps

Front Camera
Good
Camera Setup

Single

Resolution

8 MP f/1.8, Primary Camera

Sensor

Exmor RS

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps

Battery
Average
Capacity

3080 mAh

1830 mAh

Type

Li-Polymer

Li-ion

Removable

No

Standby time

Up to 280 Hours(3G)

Quick Charging

, Quick, v2.0

USB Type-C

No

Storage
Excellent
Internal Memory

16 GB

8 GB

Expandable Memory

No

, Up to 128 GB

User Available Storage

Up to 12.2 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Single SIM, GSM

Single SIM, GSM

SIM Size

SIM1: Micro

SIM1: Micro

Network Support

5G Not Supported in India, 3G, 2G

5G Not Supported in India, 4G Supported in India, 3G, 2G

SIM 1

3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
3G Speed:
HSDPA 42.2 Mbit/s ↓, HSPA 5.76 Mbit/s ↑
GPRS:
Available
EDGE:
Available

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..

SAR Value

Head: 0.92 W/kg, Body: 1.36 W/kg

Wi-Fi

, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

, Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v4.0

, v4.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

USB Connectivity

Mass storage device, USB charging, microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Fingerprint Sensor

No

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope

Accelerometer