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Microsoft Lumia 640 XL Dual SIM vs Nokia 8.1

Key Feature Comparison

4.4

Microsoft Lumia 640 Xl Dual Sim

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At a Glance

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Quad core, 1.2 GHz, Cortex A7

Qualcomm Snapdragon 400 MSM8226, Adreno 305

Octa core (2.2 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)

Qualcomm Snapdragon 710, Adreno 616

3000 mAh

Li-ion

3500 mAh

Li-ion, Fast, 18W

5.7 inches

258 ppi

6.18 inches

403 ppi, FHD

Single, 13MP

1920x1080 @ 30 fps

Dual, 12MP + 13MP

3840x2160 @ 30 fps

3G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

5.7 inches
6.18 inches

Screen Type

IPS LCD
IPS LCD

Screen Resolution

720 x 1280 pixels
1080 x 2246 pixels

Pixel Density

258 ppi
403 ppi

Screen Protection

Gorilla Glass 3
Gorilla Glass 3

Screen to Body Ratio

69.44%
82.03%

Screen Design

-
Regular notch

Screen Quality

-
FHD

Phone Variants

1GB 8GB
4GB 64GB, 6GB 128GB

Expandable Storage

Yes
Yes

Expandable Storage Capacity

Yes, 128 GB
Yes, 400 GB

RAM Type

-
LPDDR4X

Storage Type

-
eMMC 5.1

Sensors

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

Operating System

Windows Phone v8.1
Android v9.0 (Pie)

GPU

Adreno 305
Adreno 616

Chipset

Qualcomm Snapdragon 400 MSM8226
Qualcomm Snapdragon 710

CPU

Quad core, 1.2 GHz, Cortex A7
Octa core (2.2 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)

Clock Speed

1.2 GHz
2.2 GHz

Custom User Interface

-
Android One

Architecture

-
64 bit

Process Technology

-
10 nm

Battery Capacity

3000 mAh
3500 mAh

Battery Removable

Yes
No

Battery Type

Li-ion
Li-ion

Charger Type

-
Fast, 18W

USB Type-C

-
Yes

Fast Charging

-
Yes

Announced On

5-Mar-15
5-Dec-18

Market Status

Out of Stock
Available

Brand

Microsoft
Nokia

Price Status

Confirmed
Confirmed

Price

Rs. 13,499
Rs. 27,999

Model Number

-
TA-1121

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

NFC

Yes
Yes

Network Support

3G
4G

Bluetooth

Yes
Yes

FM Radio

Yes
Yes

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Micro
SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n
Yes, Wi-Fi 802.11, a/ac/b/g/n

Bluetooth Type

v4.0
v5.0

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No

SIM 1 Bands

3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, 3G Speed: HSDPA 42.2 Mbit/s , HSUPA 5.76 Mbit/s , GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

2G Bands: GSM 1800 / 1900 / 850 / 900 MHz...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

Audio Features

-
Active noise cancellation with dedicated mic

Wi-Fi Features

-
Mobile Hotspot

VoLTE

-
Yes

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Setup

Single, 5MP
Single, 20MP

Front Camera 1 Resolution

5 MP
20 MP

Front Camera 1 Type

Primary Camera
f/2.0 Primary Camera

Front Camera Features

-
Fixed Focus

Front Camera 1 Lens

-
0.9 micrometre pixel size

Front Aperture

-
f/2.0

Weight

171 grams
180 grams

Colors

Black, Blue, Orange, White
Blue, Silver, Iron

Dimensions

157.9 x 81.5 x 9 mm
154.8 x 75.7 x 7.9 mm

Build

-
Back: Mineral Glass

SAR Value

-
Head: 0.223 W/kg

Rear Flash

Yes, LED Flash
Yes, Dual-color LED Flash

Rear Video Recording

1920x1080 @ 30 fps
3840x2160 @ 30 fps

Rear Camera Features

4 x Digital Zoom, Auto Flash, Digital image stabilization, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Single, 13MP
Dual, 12MP + 13MP

Rear Camera 1 Resolution

13 MP
12 MP

Rear Camera 1 Type

f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.8 Primary Camera

Rear Camera 1 Lens

28 mm focal length
2.55" sensor size, 1.4 micrometre pixel size

Rear Sensor

Back-illuminated sensor (BSI)
Exmor-RS CMOS Sensor

Rear Aperture

f/2.0
f/1.8

OIS

-
Yes

Rear Camera 2 Resolution

-
13 MP

Rear Camera 2 Type

-
f/2.2 Camera

Fingerprint Scanner

-
Yes

Fingerprint Scanner Position

-
Rear

Face Unlock

-
Yes
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