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.

Ki Note

Ki Cost-effectiveness
?
Cost-effectiveness
?
Cost-effectiveness
7.7
Cost-effectiveness
?
Cost-effectiveness
Design & Materials
4.7
6.5
6.5
5.5
Performance & Hardware
5.9
5.1
5.1
5.7
Camera
7.9
7.9
7.9
5.7
Connectivity
4.5
5.1
6.2
7.1
Battery
6.9
5.7
5.7
4.7

Basics

Brand

Aliases
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--
--
--

Presentation

Unveiled
May 2014, 4 years ago
March 2015, 3 years ago
March 2015, 3 years ago
August 2015, 2 years ago
State
Not available
Not available
On Sale
Not available

Design & Materials

Structure

Size
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
Usable surface
70 %
67 %
67 %
67 %
Materials
-
Plastic
Plastic
Plastic
Resistance
-
-
-
-
Colors
Black

White
Black

Cyan

Orange

White
Black

Cyan

Orange

White
Black

Cyan

Pink

White

Yellow

Screen

Diagonal
4.7"
5"
5"
4.7"
Type
LCD IPS
LCD IPS
LCD IPS
LCD IPS Sharp
Resolution
720 x 1280 px
720 x 1280 px
720 x 1280 px
720 x 1280 px
Density
312 Pixels per inch
294 Pixels per inch
294 Pixels per inch
312 Pixels per inch
Others
  • Capacitive
  • Corning Gorilla Glass 2
  • Multi-touch
  • OGS (One Glass Solution)
  • Scratch resistant
  • Capacitive
  • ClearBlack display
  • Corning Gorilla Glass 3
  • Multi-touch
  • Scratch resistant
  • Capacitive
  • ClearBlack display
  • Corning Gorilla Glass 3
  • Multi-touch
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • OGS (One Glass Solution)
  • Scratch resistant

Prototypes









Prototypes
JiaYu G4S+
Print 3D Model
Microsoft Lumia 640
Print 3D Model
Microsoft Lumia 640
Print 3D Model
Xiaomi Redmi 2
Print 3D Model

Photos

Performance & Hardware

Processor

Model
MediaTek MT6592
Qualcomm Snapdragon 400 MSM8926
Qualcomm Snapdragon 400 MSM8926
Qualcomm Snapdragon 410 MSM8916
CPU
ARM Cortex-A7
ARM Cortex-A7
ARM Cortex-A7
4xARM Cortex-A53 1.2GHz
Type
Octa-Core
Quad-Core
Quad-Core
Quad-Core
Frequency
1.7 GHz
1.2 GHz
1.2 GHz
1.2 GHz
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

Antutu

Score
25.702
Overall performance better than 35% of devices
27.700
Antutu v6, Overall performance better than 40% of devices
27.700
Antutu v6, Overall performance better than 40% of devices
23.559
Overall performance better than 31% of devices

Storage

Capacity
16 GB
Capacity with the OS (depends on the brand and ROM version): 9-14.8 GB
8 GB
Capacity with the OS (depends on the brand and ROM version): 5.5-6.8 GB
8 GB
Capacity with the OS (depends on the brand and ROM version): 5.5-6.8 GB
16 GB
Capacity with the OS (depends on the brand and ROM version): 9-14.8 GB
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
  • Accelerometer
  • Compass
  • Gravity
  • Gyroscope
  • Light sensor
  • Proximity
  • Accelerometer
  • Compass
  • Light sensor
  • Proximity
  • Accelerometer
  • Compass
  • Light sensor
  • Proximity
  • Accelerometer
  • Compass
  • Gravity
  • Gyroscope
  • Light sensor
  • Proximity

Others

Notifications LED
No
No
No
No

Camera

Main

Resolution
13.3 Mpx
8 Mpx
8 Mpx
8 Mpx
Pixel size
0.990 µm
1.103 µm
1.103 µm
1.414 µm
Sensor
Omnivision OV13850
Carl Zeiss Unknown
Carl Zeiss Unknown
Omnivision OV8865
Type
CMOS BSI
CMOS BSI
CMOS BSI
CMOS
Aperture
f/2.2
f/2.2
f/2.2
f/2.2
Flash
LED
LED
LED
LED
Features
  • Autofocus
  • Face detection
  • Geotagging
  • Touch focus
  • Autofocus
  • Continuous shooting
  • Digital image stabilization
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Panorama
  • Scene mode
  • Touch focus
  • White balance settings
  • Autofocus
  • Continuous shooting
  • Digital image stabilization
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Panorama
  • Scene mode
  • Touch focus
  • White balance settings
  • Autofocus
  • Continuous shooting
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Scene mode
  • Touch focus
  • White balance settings
Slow Motion Video
No
30.0 fps
No
30.0 fps
No
30.0 fps
No
30.0 fps
Optical Stabilisation
No
No
No
No

Selfie

Resolution
3 Mpx
1 Mpx
1 Mpx
2 Mpx

Connectivity

Networks

2G
  • B3 (1800)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA2000 EX-DO REV.A
  • B2 (1900)
  • B3 (1800)
  • B8 (900)
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)
4G LTE
-
-
-
  • B1 (2100)
  • B7 (2600)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B41 (TDD 2500)

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 Display
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi Hotspot

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)
  • OPP (Object Push Profile)
  • PAN (Personal Area Networking 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)
  • OPP (Object Push Profile)
  • PAN (Personal Area Networking Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • A2DP (Advanced Audio Distribution Profile)

Navigation

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

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.

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--
--
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

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

Battery

Capacity
3000 mAh
2500 mAh
2500 mAh
2200 mAh
Type
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Others
Removable
Removable

Fast Charging
Removable

Software

Operating System
Android 4.2.2 Jelly Bean
Microsoft Windows 10
Microsoft Windows 10
MIUI V6 (Android 4.4.4 KitKat)

Prices

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