Lenovo K920 Vibe Z2 Pro vs Microsoft Lumia 640 XL vs Xiaomi Redmi Note 2 vs ZTE Nubia Z9 Max: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Lenovo K920 Vibe Z2 Pro vs Microsoft Lumia 640 XL vs Xiaomi Redmi Note 2 vs ZTE Nubia Z9 Max. The complete information of specifications to decide which to buy.

Compare
Lenovo K920 Vibe Z2 ProLenovo K920 Vibe Z2 ProChina · 3GB · 32GB
Microsoft Lumia 640 XLMicrosoft Lumia 640 XLGlobal · 1GB · 8GB
Xiaomi Redmi Note 2Xiaomi Redmi Note 2China · 2GB · 32GB · Prime
ZTE Nubia Z9 MaxZTE Nubia Z9 MaxChina · 3GB · 16GB
Technical data sheets

Basics
Lenovo K920 Vibe Z2 Pro
Lenovo K920 Vibe Z2 Pro
China · 3GB · 32GB
View datasheet
vs
Microsoft Lumia 640 XL
Microsoft Lumia 640 XL
Global · 1GB · 8GB
View datasheet
vs
Xiaomi Redmi Note 2
Xiaomi Redmi Note 2
China · 2GB · 32GB · Prime
View datasheet
vs
ZTE Nubia Z9 Max
ZTE Nubia Z9 Max
China · 3GB · 16GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- Not available 5.6 Ki Cost-effective
Score 		-- Not available -- Not available
Design and Screen score --Design & Materials 4.9Design & Materials --Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware 4.6Performance & Hardware --Performance & Hardware --Performance & Hardware
Camera score --Camera 4.7Camera --Camera --Camera
Connectivity score -- Connectivity 4.5 Connectivity -- Connectivity -- Connectivity
Battery score --Battery 4.7 Battery --Battery --Battery

User reviews
User score
9.6
5 reviews
6.9
45 reviews
8.2
258 reviews
--
1 review

Technical specifications of the Lenovo K920 Vibe Z2 Pro vs Microsoft Lumia 640 XL vs Xiaomi Redmi Note 2 vs ZTE Nubia Z9 Max

Specs Lenovo K920 Vibe Z2 Pro price compare Lenovo K920 Vibe Z2 Pro
China · 3GB · 32GB 		where to buy Microsoft Lumia 640 XL Microsoft Lumia 640 XL
Global · 1GB · 8GB 		Xiaomi Redmi Note 2 price comparison Xiaomi Redmi Note 2
China · 2GB · 32GB · Prime 		ZTE Nubia Z9 Max prices ZTE Nubia Z9 Max
China · 3GB · 16GB
Inches 6" 5.7" 5.5" 5.5"
Resolution QHD HD FHD FHD
Usable surface 78% useful 69% useful 72% useful 70% useful
Aspect Ratio 16:9 16:9 16:9 16:9
Dimensions 81.3 mm
156.0 mm
7.7 mm 		81.5 mm
157.9 mm
9.0 mm 		76.0 mm
152.0 mm
8.3 mm 		76.6 mm
154.8 mm
7.9 mm
Weight 180 g 171 g 160 g 165 g
Micro SnapD. 801
Quad-Core 		SnapD. 400
Quad-Core 		Helio X10
Octa-Core 		SnapD. 810
Octa-Core
RAM 3 GB RAM 1 GB RAM 2 GB RAM 3 GB RAM
Storage 32 GB 8 GB 32 GB 16 GB
AnTuTu 36.267
v? 		27.309
v6 		50.203
v? 		56.275
v5
Battery 4000 mAh 3000 mAh 3060 mAh 2900 mAh
Main Camera 1
16 Mpx · ƒ/2.2
S5K2P2XX
1
13 Mpx · ƒ/2.0

1
13 Mpx · ƒ/2.2
5K3M2
1
16 Mpx · ƒ/2.0
IMX234 Exmor RS
Selfie Camera SELF 5 Mpx · ƒ/-- SELF 5 Mpx · ƒ/-- SELF 5 Mpx · ƒ/-- SELF 8 Mpx · ƒ/--
Bands
OS Android 4.4 KitKat Windows 10 Android 5.0 Lollipop Android 5.0 Lollipop

Brand
Brand Lenovo Microsoft Xiaomi Nubia
Aliases -- -- -- --

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

Design & Materials

Structure

Lenovo K920 Vibe Z2 Pro
Microsoft Lumia 640 XL
Xiaomi Redmi Note 2
ZTE Nubia Z9 Max
Lenovo K920 Vibe Z2 Pro
Microsoft Lumia 640 XL
Xiaomi Redmi Note 2
ZTE Nubia Z9 Max
Size
81.3 mm • 156.0 mm • 7.7 mm
See more details
 Print 3D Model
81.5 mm • 157.9 mm • 9.0 mm
See more details
 Print 3D Model
76.0 mm • 152.0 mm • 8.3 mm
See more details
 Print 3D Model
76.6 mm • 154.8 mm • 7.9 mm
See more details
 Print 3D Model
Weight 180 g 171 g 160 g 165 g
Usable surface 78 % 69 % 72 % 70 %
Materials Aluminium alloy Plastic Plastic, Magnesium alloy Glass
Resistance - - - -
Colors
Black

Silver
Black

White

Orange

Cyan
Black

White

Blue

Pink

Brown
Black

White

Screen
Diagonal 6" 5.7" 5.5" 5.5"
Type LCD IPS LCD IPS LCD IPS LCD IPS
Aspect Ratio 16:9 16:9 16:9 16:9
Resolution QHD
1440 x 2560 px 		HD
720 x 1280 px 		FHD
1080 x 1920 px 		FHD
1080 x 1920 px
Density 490 Pixels per inch 258 Pixels per inch 401 Pixels per inch 401 Pixels per inch

Others

Others
  • Without Notch
  • Capacitive
  • Multi-touch
  • Without Notch
  • Scratch resistant
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • ClearBlack display
  • Without Notch
  • LED Notifications
  • OGS (One Glass Solution)
  • Full Lamination Technology
  • Capacitive
  • Multi-touch
  • Viewing angle - 178°
  • Without Notch
  • OGS (One Glass Solution)
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • CGS - Continuous Grain Silicon

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.8
7.2
7.3
--
Do you think it's a nice phone?
9.8
7.6
8.1
--
Is it comfortable?
9.6
7.4
8.1
--
Can you see it well in the sunlight?
9.8
8.1
7.3
--
Number of reviews
5 reviews
45 reviews
258 reviews
--

Performance & Hardware

Processor
Model Qualcomm Snapdragon 801 MSM8974AC Qualcomm Snapdragon 400 MSM8226 MediaTek Helio X10 2.2 (MT6795T) Qualcomm Snapdragon 810 MSM8994
CPU 4x Krait 400 2.5 GHz 4x Cortex-A7 1.2 GHz 8x Cortex-A53 2.2 GHz 4x Cortex-A57 2.0 GHz + 4x Cortex-A53 1.55 GHz
Type Quad-Core Quad-Core Octa-Core Octa-Core
Manufacturing 28 nm 28 nm 28 nm 20 nm
64 Bits No No Yes Yes

Graphics
GPU Qualcomm Adreno 330 Qualcomm Adreno 305 PowerVR G6200 700Mhz Qualcomm Adreno 430

RAM
RAM 3 GB 1 GB 2 GB 3 GB
Type -- -- -- --

Antutu
Score
36.267
Antutu v?
Overall performance better than 16% of devices
See more details
27.309
Antutu v6
Overall performance better than 42% of devices
See more details
50.203
Antutu v?
Overall performance better than 10% of devices
See more details
56.275
Antutu v5
Overall performance better than 15% of devices
See more details

Storage
Capacity 32 GB 8 GB 32 GB 16 GB
Type -- -- -- --
SD Slot No 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
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Gravity
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope

Audio

Audio
-
-
-
-

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

User reviews

Does it have good sound?
9.8
7.6
7.9
--
Does it work smoothly in everyday use?
9.8
6.8
8.6
--
What's your experience been with demanding games?
8.0
5.6
7.9
--
Number of reviews
5 reviews
45 reviews
258 reviews
--

Camera

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

Standard

Standard

Standard

Standard
Resolution 16 Mpx 13 Mpx 13 Mpx 16 Mpx
Sensor Samsung S5K2P2XX Carl Zeiss Samsung 5K3M2 Sony IMX234 Exmor RS
Type ISOCELL CMOS BSI ISOCELL CMOS BSI
Aperture ƒ/ 2.2 ƒ/ 2.0 ƒ/ 2.2 ƒ/ 2.0
ISO -- -- -- 40 - 3200
Pixel size 1.12 µm 1.15 µm 1.13 µm 1.12 µm
Pixel Binning -- -- -- --
Sensor size 1/2.6" -- 1/3.06" 1/2.6"

Features
Flash Dual LED LED LED LED
Optical Stabilisation Yes No No No
Slow Motion Video Yes,
120 fps 		No,
30 fps 		Yes,
60 fps 		No,
30 fps
Others
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Geotagging
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • 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
  • Manual focus
  • HDR
  • ISO settings
  • Digital zoom
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie
SELF
Camera type

Dedicated

Dedicated

Dedicated

Dedicated
Resolution 5 Mpx 5 Mpx 5 Mpx 8 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
9.8
8.7
8.3
--
Quality of nighttime photos
9.0
5.9
6.2
--
Quality of selfies
8.6
7.5
7.2
--
Does it have a powerful flash?
9.8
6.6
7.6
--
Number of reviews
5 reviews
45 reviews
258 reviews
--

Connectivity

Network compatibility

5G -- -- -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
 --
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B8 (900)
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Full Active Dual Sim Dual Standby Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Unknown
  • Unknown

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth
Version Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0 LE Low energy consumption Bluetooth 4.1
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)
  • LE (Low Energy)
  • A2DP (Advanced Audio Distribution Profile)

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

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

 0.428 W/Kg on head
0.130 W/Kg on body 		-- 0.342 W/Kg on head
0.452 W/Kg on body 		--
American measurement

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

 1.192 W/Kg on head
0.215 W/Kg on body 		-- -- W/Kg on head
1.490 W/Kg on body 		0.224 W/Kg on head
1.361 W/Kg on body

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

User reviews

Does it have good coverage for calls?
8.2
8.6
8.5
--
Quality of the GPS
8.8
8.3
8.3
--
And the WiFi?
8.6
8.8
8.6
--
Number of reviews
5 reviews
45 reviews
258 reviews
--

Battery

Battery
Capacity
4000 mAh
See more details
3000 mAh
See more details
3060 mAh
See more details
2900 mAh
See more details
Type Li-Polymer Li-Ion Li-Ion Polymer Li-Polymer
Fast charge No No No No
Others
  • Non-removable
  • Removable
  • Removable
  • Non-removable

User reviews

How long does the battery last?
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 0%
    One day
  • 60%
    More than one day
  • 40%
    Two days or more
  • 0%
    Less than half day
  • 9%
    Less than a day
  • 22%
    One day
  • 53%
    More than one day
  • 16%
    Two days or more
  • 8%
    Less than half day
  • 25%
    Less than a day
  • 40%
    One day
  • 25%
    More than one day
  • 3%
    Two days or more
--
Number of reviews
5 reviews
45 reviews
258 reviews
--

Software

Software
Operating System
  • Android 4.4 KitKat
    Android 4.4 KitKat, 10 years ago
  • Microsoft Windows 10
    Windows 10 , 9 years ago
  • MIUI V7 (Android 5.0.2 Lollipop)
    Android 5.0 Lollipop, 9 years ago
  • Android 5.0.2 Lollipop
    Android 5.0 Lollipop, 9 years ago
Google Services (official) Yes -- No No

User reviews

Did it come with preinstalled applications?
  • 0%
    It comes with a clean operating system
  • 80%
    It has preinstalled apps but they don't bother me
  • 20%
    It has preinstalled apps that I can't uninstall
  • 11%
    It comes with a clean operating system
  • 78%
    It has preinstalled apps but they don't bother me
  • 11%
    It has preinstalled apps that I can't uninstall
  • 11%
    It comes with a clean operating system
  • 77%
    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?
  • 0%
    Never
  • 67%
    Once a year
  • 33%
    Every six months
  • 0%
    Every two months or less
  • 5%
    Never
  • 11%
    Once a year
  • 30%
    Every six months
  • 55%
    Every two months or less
  • 11%
    Never
  • 7%
    Once a year
  • 26%
    Every six months
  • 56%
    Every two months or less
--
Number of reviews
5 reviews
45 reviews
258 reviews
--
Prices
Prices unavailable
From $ 149 --
Prices unavailable
Prices unavailable