Comparison of Lenovo S939, Xiaomi Redmi Note, Xiaomi Redmi Note 4G

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Lenovo S939, Xiaomi Redmi Note, Xiaomi Redmi Note 4G

Ki Note

Ki Cost-effectiveness
6.7
Cost-effectiveness
?
Cost-effectiveness
?
Cost-effectiveness
Design & Materials
4.8
5.7
4
Performance & Hardware
5.4
6.5
6
Camera
4.1
6.7
6.7
Connectivity
4.1
5.3
7.1
Battery
6.7
7.9
8.2

Basics

Brand

Aliases
--
Hongmi Note, Hongmi 2
--

Presentation

Unveiled
May 2014, 3 years ago
March 2014, 3 years ago
March 2014, 3 years ago
State
On Sale
Not available
Not available

Design & Materials

Structure

Size
83.5 mm
159.0 mm
9.0 mm
78.7 mm
154.0 mm
10.0 mm
78.7 mm
154.0 mm
9.5 mm
Weight
171 g
199 g
189 g
Usable surface
74 %
68 %
68 %
Materials
-
-
-
Resistance
-
-
-
Colors
Gray
Blue

Cyan

Gray

Green

Pink

White

Screen

Diagonal
6"
5.5"
5.5"
Type
LCD IPS
LCD IPS
LCD IPS
Resolution
720 x 1280 px
720 x 1280 px
720 x 1280 px
Density
245 Pixels per inch
267 Pixels per inch
267 Pixels per inch
Others
  • Capacitive
  • Multi-touch
  • Capacitive
  • Corning Gorilla Glass 2
  • Multi-touch
  • Scratch resistant
  • Capacitive
  • Color LED Notifications
  • Full Lamination Technology
  • Multi-touch

Prototypes






Prototypes
Lenovo S939
Print 3D Model
Xiaomi Redmi Note
Print 3D Model
Xiaomi Redmi Note 4G
Print 3D Model

Photos

Performance & Hardware

Processor

Model
MediaTek MT6592
MediaTek MT6592
Qualcomm Snapdragon 400 MSM8928
CPU
ARM Cortex-A7
ARM Cortex-A7
ARM Cortex-A7
Type
Octa-Core
Octa-Core
Quad-Core
Frequency
1.7 GHz
1.7 GHz
1.6 GHz
64 Bits
No
No
No

Graphics

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

RAM

RAM
1 GB
2 GB
2 GB

Antutu

Score
28.303
Overall performance better than 47% of devices
28.003
Overall performance better than 46% of devices
21.897
Overall performance better than 33% of devices

Storage

Capacity
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
8 GB
Capacity with the OS (depends on the brand and ROM version): 5.5-6.8 GB
SD Slot
Yes
Independent SD slot
Yes
Independent SD slot
Yes
Independent SD slot

Security

Fingerprint
No
No
No

Sensors

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

Others

Notifications LED
No
No
Color LED Notifications

Camera

Main

Resolution
8 Mpx
12.8 Mpx
12.8 Mpx
Sensor
Unknown Unknown
Unknown Unknown
Unknown Unknown
Type
Unknown
CMOS BSI
CMOS BSI
Aperture
f/ ?
f/ 2.2
f/ 2.2
Flash
LED
LED
LED
Features
  • Face detection
  • Geotagging
  • HDR
  • Touch focus
  • Autofocus
  • Continuous shooting
  • Digital image stabilization
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Scene mode
  • Touch focus
  • White balance settings
  • Autofocus
  • Continuous shooting
  • Digital image stabilization
  • 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
Optical Stabilisation
No
No
No

Selfie

Resolution
1.6 Mpx
5 Mpx
5 Mpx

Connectivity

Networks

2G
  • B2 (1900)
  • B3 (1800)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B8 (900)
3G
  • B1 (2100)
  • B1 (2100)
  • B34 (2000) TD
  • B39 (1900+) TD
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B34 (2000) TD
  • B39 (1900+) TD
  • B5 (850)
  • B8 (900)
4G LTE
-
-
  • B38 (2600) TD
  • B39 (1900) TD
  • B40 (2300) TD

SIM card

Dual SIM
Dual Sim Dual Standby
Dual Sim Dual Standby
Single Sim
Type
Mini SIM
Mini SIM
Unknown
Unknown
Unknown

Wi-Fi

Wi-Fi
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
Others
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Dual band
  • Wi-Fi Direct
  • Wi-Fi Hotspot

Bluetooth

Version
Bluetooth 4.0
Bluetooth 4.0 LE Low energy consumption
Bluetooth 4.0 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)

Navigation

Navigation
  • A-GPS
  • GPS
  • A-GPS
  • GLONASS
  • GPS
  • A-GPS
  • Beidou
  • GLONASS
  • GPS

USB

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

--
--
--
American measurement

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

--
--
-- W/Kg on head
1.260 W/Kg on body

Others

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

Battery

Capacity
3000 mAh
3200 mAh
3200 mAh
Type
Li-Polymer
Li-Polymer
Li-Polymer
Others
Removable
Removable
Removable

Software

Operating System
Android 4.2.2 Jelly Bean
Android 4.2.2 Jelly Bean
Android 4.4.2 KitKat

Prices

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Prices unavailable
Prices unavailable

Notifications