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Vivo Z1X vs Redmi Note 8 vs Redmi K20

Key Feature Comparison

7.1

Redmi Note 8

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Redmi K20

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At a Glance

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Octa core (2.3 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)

Qualcomm Snapdragon 712, Adreno 616

Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 665, Adreno 610

Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Qualcomm Snapdragon 730, Adreno 618

4500 mAh

Li-ion, Flash, 22.5W

4000 mAh

Li-Polymer, Fast, 18W

4000 mAh

Li-Polymer, Quick, v3.0, 18W

16.21 cm (6.4 inch)

404 ppi, FHD

16.00 cm (6.3 inch)

409 ppi, FHD

16.23 cm (6.4 inch)

403 ppi, FHD

Triple, 48MP + 8MP + 2MP

3840x2160 @ 30 fps

Quad, 48MP + 8MP + 2MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Triple, 48MP + 13MP + 8MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

16.21 cm (6.4 inch)
16.00 cm (6.3 inch)
16.23 cm (6.4 inch)

Screen Type

Super AMOLED
IPS LCD
AMOLED

Screen Resolution

1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

404 ppi
409 ppi
403 ppi

Aspect Ratio

19.5:9
19.5:9
19.5:9

Screen to Body Ratio

90%
90%
91.90%

Screen Design

Waterdrop notch
Waterdrop notch
Bezel-less

Screen Quality

FHD
FHD
FHD

Screen Protection

-
Gorilla Glass 5
Gorilla Glass 5

Phone Variants

6GB 64GB, 8GB 128GB, 6GB 128GB, 4GB 128GB
4GB 64GB, 3GB 32GB, 6GB 128GB
6GB 128GB, 6GB 64GB

Expandable Storage

No
Yes
No

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
eMMC 5.1
UFS 2.1

OTG Support

Yes
Yes
Yes

Expandable Storage Capacity

-
Yes, 512 GB
-

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)
Android v9.0 (Pie)

GPU

Adreno 616
Adreno 610
Adreno 618

Chipset

Qualcomm Snapdragon 712
Qualcomm Snapdragon 665
Qualcomm Snapdragon 730

CPU

Octa core (2.3 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)
Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Custom User Interface

Funtouch OS
MIUI
MIUI

Clock Speed

2.3 GHz
2 GHz
2.2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
11 nm
8 nm

Battery Capacity

4500 mAh
4000 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-Polymer
Li-Polymer

Charger Type

Flash, 22.5W
Fast, 18W
Quick, v3.0, 18W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Charging Time

50 % in 30 minutes
-
-

Announced On

5-Sep-19
5-Aug-19
5-May-19

Market Status

Available
Available
Available

Brand

Vivo
Xiaomi
Xiaomi

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 20,000
Rs. 12,499
Rs. 19,450

Model Number

-
MZB8189IN
MZB7756IN

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Active noise cancellation with dedicated mic
-
24-bit/192kHz audioActive noise cancellation with dedicated mic

NFC

No
-
Yes

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

No
Yes
-

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n, MIMO

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera Features

HDR
HDR, panorama
HDR

Front Camera Setup

Single, 32MP
Single, 13MP
Single, 20MP

Front Camera 1 Resolution

32 MP
13 MP
20 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.0 Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
1.12 micrometre pixel size
0.8 micrometre pixel size

Front Aperture

f/2.0
f/2.0
f/2.2

Front Flash

Yes, Screen flash
-
-

Weight

189.6 grams
188 grams
191 grams

Colors

Phantom Purple, Fusion Blue
Nepture Blue, Moonlight White, Cosmic Purple, Space Black
Carbon Black, Flame Red, Glacier Blue, Pearl White

Build

Back: Plastic
Back: Gorilla Glass
Back: Gorilla Glass

Dimensions

159.3 x 75.2 x 8.1 mm
158.3 x 75.3 x 8.3 mm
156.7 x 74.3 x 8.8 mm

SAR Value

Head: 1.030 W/kg, Body: 0.549 W/kg
Head: 1.13 W/kg, Body: 0.634 W/kg
Head: 1.07 W/kg, Body: 0.723 W/kg

Rear Flash

Yes, LED Flash
Yes, Dual LED Flash
Yes, Dual LED Flash

Rear Video Recording

3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Triple, 48MP + 8MP + 2MP
Quad, 48MP + 8MP + 2MP + 2MP
Triple, 48MP + 13MP + 8MP

Rear Camera 1 Resolution

48 MP
48 MP
48 MP

Rear Camera 1 Type

f/1.79, Wide Angle Primary Camera
f/1.79 Primary Camera
f/1.75 Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

8 MP
8 MP
13 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 2 Lens

13 mm focal length
4.0" sensor size, 1.12 micrometre pixel size
3" sensor size, 1.12 micrometre pixel size

Rear Camera 3 Resolution

2 MP
2 MP
8 MP

Rear Camera 3 Type

f/2.4, Depth Camera
f/2.4, Macro Camera
f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera

Rear Sensor

Exmor-RS CMOS Sensor
ISOCELL Plus
Exmor-RS CMOS Sensor

Rear Aperture

f/1.79
f/1.79
f/1.75

OIS

-
No
-

Rear Camera 3 Lens

-
5.0" sensor size, 1.75 micrometre pixel size
4.0" sensor size, 1.12 micrometre pixel size

Rear Camera 4 Resolution

-
2 MP
-

Rear Camera 4 Type

-
f/2.4, Depth Camera
-

Rear Camera 4 Lens

-
5.0" sensor size, 1.75 micrometre pixel size
-

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear
On-Screen

Fingerprint Scanner Type

Optical
-
Optical

Face Unlock

Yes
Yes
Yes
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