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Samsung Galaxy J7 Prime vs Microsoft Lumia 640 XL LTE Dual SIM

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Summary
66%
56%
Performance

Samsung Exynos 7 Octa 7870

3 GB RAM

Snapdragon 400

1 GB RAM

Display

5.5" (13.97 cm)

1080x1920 px (FULL HD)

5.7" (14.48 cm)

720x1280 px (HD)

Rear Camera

13 MP

Single Camera

13 MP

Single Camera

Front Camera

8 MP

Single Camera

5 MP

Single Camera

Battery

3300 mAh

21 h talktime (3G)

3000 mAh

24 h talktime (3G)

Storage

16 GB

256 GB (Expandable)

8 GB

128 GB (Expandable)

Expert Rating
User Rating

★★★★★
★★★★★

4.2/5 based on 22,117 ratings

★★★★★
★★★★★

3.9/5 based on 442 ratings

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Microsoft Lumia 640 XL LTE Dual SIM is permanently discontinued.
General
Launch Date

September 19, 2016 (Official)

Operating System

Android v6.0.1 (Marshmallow)

Windows Phone v8.1

Performance
Average
Poor
Chipset

Samsung Exynos 7 Octa 7870

Qualcomm Snapdragon 400 MSM8226

CPU

Octa core, 1.6 GHz, Cortex A53

Quad core, 1.2 GHz, Cortex A7

Architecture

64 bit

32 bit

Graphics

Mali-T830 MP2

Adreno 305

RAM

3 GB

1 GB

RAM Type

LPDDR3

Display
Average
Average
Display Type

IPS LCD

Screen Size

5.7 " (14.48 cm)

Resolution

720x1280 px (HD)

Aspect Ratio

16:9

Pixel Density

258 ppi

Screen to Body Ratio (calculated)

73.13 %

69.55 %

Screen Protection

Corning Gorilla Glass v3

Touch Screen

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Size Compare
Dimensions

Height: 151.7 mm
Width: 75 mm
Thickness: 8.0 mm

Height: 157.9 mm
Width: 81.5 mm
Thickness: 9 mm

Weight

167 grams

171 grams

Build Material

Case: Metal
Back: Metal

Colours

Black, Gold

Black, Blue, Orange, White

Camera
Main Camera
Camera Setup

Single

Single

Resolution

13 MP f/1.9, Wide Angle, Primary Camera(28 mm focal length)

13 MP f/2.0, Primary Camera(28 mm focal length)

Sensor

CMOS image sensor

Back-illuminated sensor (BSI)

Autofocus

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

4128 x 3096 Pixels

4128 x 3096 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

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

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Good
Average
Camera Setup

Single

Single

Resolution

8 MP f/1.9, Primary Camera

5 MP, Primary Camera

Sensor

CMOS

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps

Battery
Good
Good
Capacity

3300 mAh

3000 mAh

Type

Li-ion

Li-ion

Removable

No

TalkTime

Up to 21 Hours(3G)

Up to 24 Hours(3G) / Up to 30.3 Hours(2G)

Standby time

Up to 888 Hours(3G) / Up to 888 Hours(2G)

USB Type-C

No

Storage
Best in Class
Very Good
Internal Memory

16 GB

8 GB

Expandable Memory

, Up to 256 GB

, Up to 128 GB

User Available Storage

Up to 10.3 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Micro
SIM2: Micro

Network Support

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

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

VoLTE

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20)
3G Bands:
UMTS 1700 / 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..

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz

SAR Value

Head: 0.646 W/kg

Wi-Fi

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

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

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Bluetooth

, v4.1

, 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

Fingerprint Sensor Position

Front

Other Sensors

Proximity sensor, Accelerometer

Light sensor, Proximity sensor, Accelerometer, Compass