Lenovo K900 VS. Xiaomi Redmi 4X: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Lenovo K900 VS. Xiaomi Redmi 4X. The complete information of specifications to decide which to buy.

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Devices

Lenovo K900

Lenovo K900

View datasheet
Xiaomi Redmi 4X

Xiaomi Redmi 4X 2GB 16GB

View datasheet

Ki Note

Ki Cost-effectiveness
?
Cost-effectiveness
8.9
Cost-effectiveness
Design & Materials
7.7
7.8
Performance & Hardware
6.2
7
Camera
8.3
7.8
Connectivity
5.1
8.1
Battery
5.3
9.3

Basics

Brand

Brand
Lenovo
Xiaomi
Aliases
--
Hongmi 4X, Red Rise 4X

Presentation

Unveiled
January 2013, 5 years ago
February 2017, 1 year ago
State
Not available
On Sale

Design & Materials

Structure

Size
78.0 mm
157.0 mm
7.0 mm
70.0 mm
139.2 mm
8.7 mm
Weight
162 g
150 g
Usable surface
68 %
70 %
Materials
Stainless steel
Metal
Resistance
-
-
Colors
Black

Champagne

Pink

Screen

Diagonal
5.5"
5"
Type
LCD IPS
LCD IPS
Resolution
1080 x 1920 px
720 x 1280 px
Density
401 Pixels per inch
294 Pixels per inch
Others
  • Capacitive
  • Corning Gorilla Glass 2
  • Multi-touch
  • Scratch resistant
  • 1000:1 contrast ratio
  • 2.5D curved glass screen
  • 450 cd/m2
  • 72% NTSC
  • Capacitive
  • LED Notifications
  • Multi-touch
  • NTSC

Prototypes




Prototypes
Lenovo K900
Print 3D Model
Xiaomi Redmi 4X
Print 3D Model

Photos

Photos

Performance & Hardware

Processor

Model
Intel Atom Z2580
Qualcomm Snapdragon 435 MSM8940
CPU
Intel Saltwell HT
8x1.4GHz ARM Cortex A53
Type
Dual-Core
Octa-Core
Frequency
2 GHz
1.4 GHz
64 Bits
No
Yes

Graphics

GPU
PowerVR SGX544 MP2
Qualcomm Adreno 505

RAM

RAM
2 GB
2 GB

Antutu

Score
27.417
Overall performance better than 41% of devices
43.500
Antutu v6, Overall performance better than 66% of devices

Storage

Capacity
16 GB
Capacity with the OS (depends on the brand and ROM version): 9-14.8 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
Slot for SD or second SIM card

Security

Fingerprint
No
Yes, in the back

Sensors

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

Others

Notifications LED
No
LED Notifications

Camera

Main

Resolution
12.8 Mpx
13 Mpx
Pixel size
1.145 µm
--
Sensor
Sony IMX135 Exmor RS
Samsung S5K3L8
Type
CMOS
CMOS
Aperture
f/ 1.8
f/ 2.0
Flash
Dual LED
LED
Features
  • Autofocus
  • Face detection
  • Geotagging
  • Touch focus
  • Autofocus
  • Continuous shooting
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Panorama
  • Scene mode
  • Self-timer
  • Touch focus
  • White balance settings
Slow Motion Video
No
30.0 fps
No
30.0 fps
Optical Stabilisation
No
No

Selfie

Resolution
2 Mpx
5 Mpx

Connectivity

Networks

2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
  • B5 (850)
  • B8 (900)
4G LTE
-
  • B1 (2100)
  • B3 (1800)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B5 (850)
  • B7 (2600)
  • B8 (900)

SIM card

Dual SIM
Single Sim
Dual Sim Dual Standby
Type
Micro SIM
Micro SIM
Nano SIM

Wi-Fi

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

Bluetooth

Version
Bluetooth 3.0
Bluetooth 4.2
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • HID (Human Interface Profile)

Navigation

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

USB

USB
  • Charging
  • Host
  • Mass Storage
  • Charging
  • Mass Storage

SAR

European measurement

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

-- W/Kg on head
0.420 W/Kg on body
0.583 W/Kg on head
1.500 W/Kg on body
American measurement

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

--
0.750 W/Kg on head
0.612 W/Kg on body

Others

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

Battery

Capacity
2500 mAh
4100 mAh
Type
Li-Polymer
Li-Polymer
Others
Non-removable
Non-removable

Software

Operating System
Android 4.2 Jelly Bean
MIUI V9 (Android 7.1.1 Nougat)

Prices

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Prices unavailable
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Notifications