JiaYu G4S+ vs Microsoft Lumia 640 vs Microsoft Lumia 640 vs Xiaomi Redmi 2: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: JiaYu G4S+ vs Microsoft Lumia 640 vs Microsoft Lumia 640 vs Xiaomi Redmi 2. The complete information of specifications to decide which to buy.

Compare
JiaYu G4S+JiaYu G4S+Global · 2GB · 16GB · Blanco
Microsoft Lumia 640Microsoft Lumia 640Global · 1GB · 8GB
Microsoft Lumia 640Microsoft Lumia 640Global · 1GB · 8GB · 4G
Xiaomi Redmi 2Xiaomi Redmi 2China · 2GB · 16GB
Technical data sheets

Basics
JiaYu G4S+
JiaYu G4S+
Global · 2GB · 16GB · Blanco
View datasheet
vs
Microsoft Lumia 640
Microsoft Lumia 640
Global · 1GB · 8GB
View datasheet
vs
Microsoft Lumia 640
Microsoft Lumia 640
Global · 1GB · 8GB · 4G
View datasheet
vs
Xiaomi Redmi 2
Xiaomi Redmi 2
China · 2GB · 16GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- Not available -- Not available 5.7 Ki Cost-effective
Score 		-- Not available
Design and Screen score --Design & Materials --Design & Materials 5.0Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware --Performance & Hardware 4.5Performance & Hardware --Performance & Hardware
Camera score --Camera --Camera 4.6Camera --Camera
Connectivity score -- Connectivity -- Connectivity 4.5 Connectivity -- Connectivity
Battery score --Battery --Battery 4.6 Battery --Battery

User reviews
User score
7.6
31 reviews
7.1
51 reviews
7.1
51 reviews
8.1
52 reviews

Technical specifications of the JiaYu G4S+ vs Microsoft Lumia 640 vs Microsoft Lumia 640 vs Xiaomi Redmi 2

Specs JiaYu G4S+ prices JiaYu G4S+
Global · 2GB · 16GB · Blanco 		where to buy Microsoft Lumia 640 Microsoft Lumia 640
Global · 1GB · 8GB 		Microsoft Lumia 640 price comparison Microsoft Lumia 640
Global · 1GB · 8GB · 4G 		Xiaomi Redmi 2 price compare Xiaomi Redmi 2
China · 2GB · 16GB
Inches 4.7" 5" 5" 4.7"
Resolution HD HD HD HD
Usable surface 70% useful 67% useful 67% useful 67% useful
Aspect Ratio 16:9 16:9 16:9 16:9
Dimensions 65.0 mm
133.0 mm
10.0 mm 		72.2 mm
141.3 mm
8.8 mm 		72.2 mm
141.3 mm
8.8 mm 		67.2 mm
134.0 mm
9.2 mm
Weight 150 g 145 g 145 g 134 g
Micro MT6592
Octa-Core 		SnapD. 400
Quad-Core 		SnapD. 400
Quad-Core 		SnapD. 410
Quad-Core
RAM 2 GB RAM 1 GB RAM 1 GB RAM 2 GB RAM
Storage 16 GB 8 GB 8 GB 16 GB
AnTuTu 25.702
v? 		27.700
v6 		27.700
v6 		23.559
v?
Battery 3000 mAh 2500 mAh 2500 mAh 2200 mAh
Main Camera 1
13 Mpx · ƒ/2.2
OV13850
1
8 Mpx · ƒ/2.2

1
8 Mpx · ƒ/2.2

1
8 Mpx · ƒ/2.2
OV8865
Selfie Camera SELF 3 Mpx · ƒ/-- SELF 1 Mpx · ƒ/-- SELF 1 Mpx · ƒ/-- SELF 2 Mpx · ƒ/--
Bands
OS Android 4.1 Jelly Bean Windows 10 Windows 10 Android 4.4 KitKat

Brand
Brand Jiayu Microsoft Microsoft Xiaomi
Aliases -- -- -- --

Release Date
Release date May 2014,
9 years ago 		March 2015,
9 years ago 		March 2015,
9 years ago 		August 2015,
8 years ago
State Not available Not available On Sale Not available
Market Global Global Global China

Design & Materials

Structure

JiaYu G4S+
Microsoft Lumia 640
Microsoft Lumia 640
Xiaomi Redmi 2
JiaYu G4S+
Microsoft Lumia 640
Microsoft Lumia 640
Xiaomi Redmi 2
Size
65.0 mm • 133.0 mm • 10.0 mm
See more details
 Print 3D Model
72.2 mm • 141.3 mm • 8.8 mm
See more details
 Print 3D Model
72.2 mm • 141.3 mm • 8.8 mm
See more details
 Print 3D Model
67.2 mm • 134.0 mm • 9.2 mm
See more details
 Print 3D Model
Weight 150 g 145 g 145 g 134 g
Usable surface 70 % 67 % 67 % 67 %
Materials - Plastic Plastic Plastic
Resistance - - - -
Colors
Black

White
Black

White

Orange

Cyan
Black

White

Orange

Cyan
Black

White

Yellow

Pink

Cyan

Screen
Diagonal 4.7" 5" 5" 4.7"
Type LCD IPS LCD IPS LCD IPS LCD IPS • Sharp
Aspect Ratio 16:9 16:9 16:9 16:9
Resolution HD
720 x 1280 px 		HD
720 x 1280 px 		HD
720 x 1280 px 		HD
720 x 1280 px
Density 312 Pixels per inch 294 Pixels per inch 294 Pixels per inch 312 Pixels per inch

Others

Others
  • Without Notch
  • Scratch resistant
  • OGS (One Glass Solution)
  • Corning Gorilla Glass 2
  • Capacitive
  • Multi-touch
  • Without Notch
  • Scratch resistant
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • ClearBlack display
  • Without Notch
  • Scratch resistant
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • ClearBlack display
  • Without Notch
  • Scratch resistant
  • OGS (One Glass Solution)
  • Capacitive
  • Multi-touch

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.5
8.1
8.1
7.7
Do you think it's a nice phone?
7.8
7.6
7.6
7.3
Is it comfortable?
8.3
7.8
7.8
8.3
Can you see it well in the sunlight?
7.5
7.4
7.4
6.9
Number of reviews
31 reviews
51 reviews
51 reviews
52 reviews

Performance & Hardware

Processor
Model MediaTek MT6592 Qualcomm Snapdragon 400 MSM8926 Qualcomm Snapdragon 400 MSM8926 Qualcomm Snapdragon 410 MSM8916
CPU 8x Cortex-A7 1.7 GHz 4x Cortex-A7 1.2 GHz 4x Cortex-A7 1.2 GHz 4x Cortex-A53 1.2GHz
Type Octa-Core Quad-Core Quad-Core Quad-Core
Manufacturing 28 nm 28 nm 28 nm 28 nm
64 Bits No No No Yes

Graphics
GPU ARM Mali-450 MP4 Qualcomm Adreno 305 Qualcomm Adreno 305 Qualcomm Adreno 306

RAM
RAM 2 GB 1 GB 1 GB 2 GB
Type -- -- -- --

Antutu
Score
25.702
Antutu v?
Overall performance better than 38% of devices
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27.700
Antutu v6
Overall performance better than 23% of devices
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27.700
Antutu v6
Overall performance better than 42% of devices
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23.559
Antutu v?
Overall performance better than 24% of devices
See more details

Storage
Capacity 16 GB 8 GB 8 GB 16 GB
Type -- -- -- --
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot 		Yes ,
Independent SD slot 		Yes ,
Independent SD slot

Security
Fingerprint No No No No

Sensors
Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Gravity
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Gravity

Audio

Audio
-
-
-
-

Others
Notifications LED -- -- -- --
Cooling system No No No No
Gaming buttons No No No No

User reviews

Does it have good sound?
7.8
6.9
6.9
7.9
Does it work smoothly in everyday use?
8.7
7.2
7.2
7.7
What's your experience been with demanding games?
7.6
5.8
5.8
5.7
Number of reviews
31 reviews
51 reviews
51 reviews
52 reviews

Camera

Main
No. of cameras Rear camera Rear camera Rear camera Rear camera
1
Camera type

Standard

Standard

Standard

Standard
Resolution 13 Mpx 8 Mpx 8 Mpx 8 Mpx
Sensor Omnivision OV13850 Carl Zeiss Carl Zeiss Omnivision OV8865
Type PureCel CMOS BSI CMOS BSI CMOS BSI 2
Aperture ƒ/ 2.2 ƒ/ 2.2 ƒ/ 2.2 ƒ/ 2.2
ISO -- -- -- --
Pixel size 1.12 µm 1.10 µm 1.10 µm 1.40 µm
Pixel Binning -- -- -- --
Sensor size 1/3.06" -- -- 1/3.2"

Features
Flash LED LED LED LED
Optical Stabilisation No No No No
Slow Motion Video No,
30 fps 		No,
30 fps 		No,
30 fps 		No,
30 fps
Others
  • Autofocus
  • Touch focus
  • Geotagging
  • Face detection
  • Digital zoom
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Digital zoom
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Digital zoom
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode

Selfie
SELF
Camera type

Dedicated

Dedicated

Dedicated

Dedicated
Resolution 3 Mpx 1 Mpx 1 Mpx 2 Mpx
Sensor Unknown Unknown Unknown Unknown
Type -- -- -- --
Aperture ƒ/ -- ƒ/ -- ƒ/ -- ƒ/ --
Pixel size -- -- -- --
Pixel Binning -- -- -- --
Sensor size -- -- -- --
Others
--
--
--
--

DxOMark Score
DxOMark Score -- -- -- --

User reviews

Quality of daytime photos
8.3
7.8
7.8
8.0
Quality of nighttime photos
5.6
5.7
5.7
5.8
Quality of selfies
5.3
5.7
5.7
6.2
Does it have a powerful flash?
6.8
6.4
6.4
7.4
Number of reviews
31 reviews
51 reviews
51 reviews
52 reviews

Connectivity

Network compatibility

5G -- -- -- --
4G LTE -- --
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B7 (2600)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B33 (TD 1900)
  • B34 (TD 2000)
2G
  • B3 (1800)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA2000 EV-DO REV.A
  • B2 (1900)
  • B3 (1800)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby Single Sim Dual Sim Dual Standby
Type
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM

Wi-Fi
Wi-Fi
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
Others
  • Wi-Fi Hotspot
  • Wi-Fi Display
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth
Version Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • GATT (Generic Attribute Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • GATT (Generic Attribute Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • A2DP (Advanced Audio Distribution Profile)

Navigation
Navigation
  • GPS
  • A-GPS
  • GPS
  • A-GPS
  • GLONASS
  • Wi-Fi
  • Beidou
  • GPS
  • A-GPS
  • GLONASS
  • Wi-Fi
  • Beidou
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • Mass Storage
  • Charging
  • Mass Storage
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 -- -- -- 0.701 W/Kg on head
0.703 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- 0.810 W/Kg on head
0.160 W/Kg on body 		0.810 W/Kg on head
0.160 W/Kg on body 		0.999 W/Kg on head
0.982 W/Kg on body

Others
Others
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • DLNA
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • DLNA
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.

User reviews

Does it have good coverage for calls?
7.9
8.6
8.6
8.5
Quality of the GPS
3.5
8.1
8.1
8.0
And the WiFi?
8.0
8.4
8.4
8.4
Number of reviews
31 reviews
51 reviews
51 reviews
52 reviews

Battery

Battery
Capacity
3000 mAh
See more details
2500 mAh
See more details
2500 mAh
See more details
2200 mAh
See more details
Type Li-Ion Li-Ion Li-Ion Li-Ion
Fast charge No No No Yes
Others --
  • Removable
  • Removable
  • Removable

User reviews

How long does the battery last?
  • 0%
    Less than half day
  • 3%
    Less than a day
  • 32%
    One day
  • 52%
    More than one day
  • 13%
    Two days or more
  • 0%
    Less than half day
  • 16%
    Less than a day
  • 27%
    One day
  • 45%
    More than one day
  • 12%
    Two days or more
  • 0%
    Less than half day
  • 16%
    Less than a day
  • 27%
    One day
  • 45%
    More than one day
  • 12%
    Two days or more
  • 0%
    Less than half day
  • 18%
    Less than a day
  • 49%
    One day
  • 25%
    More than one day
  • 8%
    Two days or more
Number of reviews
31 reviews
51 reviews
51 reviews
52 reviews

Software

Software
Operating System
  • Android 4.2.2 Jelly Bean
    Android 4.1 Jelly Bean, 11 years ago
  • Microsoft Windows 10
    Windows 10 , 9 years ago
  • Microsoft Windows 10
    Windows 10 , 9 years ago
  • MIUI V6 (Android 4.4.4 KitKat)
    Android 4.4 KitKat, 10 years ago
Google Services (official) Yes -- -- No

User reviews

Did it come with preinstalled applications?
  • 24%
    It comes with a clean operating system
  • 62%
    It has preinstalled apps but they don't bother me
  • 14%
    It has preinstalled apps that I can't uninstall
  • 16%
    It comes with a clean operating system
  • 74%
    It has preinstalled apps but they don't bother me
  • 10%
    It has preinstalled apps that I can't uninstall
  • 16%
    It comes with a clean operating system
  • 74%
    It has preinstalled apps but they don't bother me
  • 10%
    It has preinstalled apps that I can't uninstall
  • 12%
    It comes with a clean operating system
  • 76%
    It has preinstalled apps but they don't bother me
  • 12%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 64%
    Never
  • 25%
    Once a year
  • 11%
    Every six months
  • 0%
    Every two months or less
  • 10%
    Never
  • 18%
    Once a year
  • 25%
    Every six months
  • 47%
    Every two months or less
  • 10%
    Never
  • 18%
    Once a year
  • 25%
    Every six months
  • 47%
    Every two months or less
  • 14%
    Never
  • 6%
    Once a year
  • 31%
    Every six months
  • 49%
    Every two months or less
Number of reviews
31 reviews
51 reviews
51 reviews
52 reviews
Prices
Prices unavailable
Prices unavailable
From $ 90 --
Prices unavailable