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Redmi K20 vs Vivo V15 Pro vs Oppo R15x

Key Feature Comparison

7

Redmi K20

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Vivo V15 Pro

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At a Glance

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

Qualcomm Snapdragon 730, Adreno 618

Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)

Qualcomm Snapdragon 675, Adreno 612

Octa core (4x2.0 GHz Kryo 260 + 4x1.8 GHz Kryo 260)

Qualcomm SDM660 Snapdragon 660 (14 nm), Adreno 512

4000 mAh

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

3700 mAh

Li-ion, Fast

3600 mAh

Li-Ion, Normal, 10W

6.39 inches

403 ppi, FHD

6.39 inches

403 ppi, FHD

6.4 inches

402 ppi

Triple, 48MP + 13MP + 8MP

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

Triple, 48MP + 8MP + 5MP

3840x2160 @ 60 fps

Dual, 16MP + 2 MP

4K @ 30fps, 1080p @ 30fps

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.39 inches
6.39 inches
6.4 inches

Screen Type

AMOLED
Super AMOLED
Super AMOLED

Screen Resolution

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

Pixel Density

403 ppi
403 ppi
402 ppi

Aspect Ratio

19.5:9
19.5:9
19.5:9

Screen Protection

Gorilla Glass 5
-
Gorilla Glass 5

Screen to Body Ratio

91.90%
91.64%
84.50%

Screen Design

Bezel-less
Bezel-less
-

Screen Quality

FHD
FHD
-

Phone Variants

6GB 128GB, 6GB 64GB
8GB 128GB, 6GB 128GB
128 GB 6GB RAM

Expandable Storage

No
Yes
No

RAM Type

LPDDR4X
LPDDR4X
-

Storage Type

UFS 2.1
eMMC 5.1
eMMC 5.1

OTG Support

Yes
Yes
Yes

Expandable Storage Capacity

-
Yes, 256 GB
-

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Accelerometer, gyro, proximity, compass

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)
Android 8.1 (Oreo)

GPU

Adreno 618
Adreno 612
Adreno 512

Chipset

Qualcomm Snapdragon 730
Qualcomm Snapdragon 675
Qualcomm SDM660 Snapdragon 660 (14 nm)

CPU

Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)
Octa core (4x2.0 GHz Kryo 260 + 4x1.8 GHz Kryo 260)

Custom User Interface

MIUI
Funtouch OS
-

Clock Speed

2.2 GHz
2 GHz
2.0 GHz

Architecture

64 bit
64 bit
-

Process Technology

8 nm
11 nm
-

Battery Capacity

4000 mAh
3700 mAh
3600 mAh

Battery Removable

No
No
No

Battery Type

Li-Polymer
Li-ion
Li-Ion

Charger Type

Quick, v3.0, 18W
Fast
Normal, 10W

USB Type-C

Yes
No
No

Fast Charging

Yes
Yes
No

Charging Time

-
24 % in 15 minutes
-

Announced On

5-May-19
5-Feb-19
5-Oct-18

Market Status

Available
Available
Launched Globally

Brand

Xiaomi
Vivo
OPPO

Model Number

MZB7756IN
-
-

Price Status

Confirmed
Confirmed
Expected

Price

Rs. 19,450
Rs. 17,990
Rs. 26,999

GPS

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

Audio Features

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

NFC

Yes
Yes
No

Network Support

4G
4G
4G

Bluetooth

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

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

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, 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) / 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...
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: 1, 3, 4, 5, 8, 34, 38, 39, 40, 41, 2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 and SIM 2/CDMA 800 and TD-SCDMA, 3G bands: HSDPA 850 / 1700(AWS) / 2100 / 900

SIM 2 Bands

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...
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: 1, 3, 4, 5, 8, 34, 38, 39, 40, 41, 2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 and SIM 2/CDMA 800 and TD-SCDMA, 3G bands: HSDPA 850 / 1700(AWS) / 2100 / 900

FM Radio

-
Yes
No

Front Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
1080p @ 30fps

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

Single, 20MP
Single, 32MP
Single, 25MP

Front Camera 1 Resolution

20 MP
32 MP
25 MP

Front Camera 1 Type

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

Front Camera 1 Lens

0.8 micrometre pixel size
-
1/2.8 inches sensor size

Front Aperture

f/2.2
f/2.0
F2.0

Front Flash

-
Yes, Screen flash
-

Weight

191 grams
185 grams
156 grams

Colors

Carbon Black, Flame Red, Glacier Blue, Pearl White
Topaz Blue, Ruby Red
Nebula, Silver Green

Build

Back: Gorilla Glass
Back: Plastic
-

Dimensions

156.7 x 74.3 x 8.8 mm
157.2 x 74.7 x 8.2 mm
158.3 x 75.5 x 7.4 mm

SAR Value

Head: 1.07 W/kg, Body: 0.723 W/kg
Head: 1.155 W/kg, Body: 0.284 W/kg
-

Rear Flash

Yes, Dual LED Flash
Yes, LED Flash
LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
3840x2160 @ 60 fps
4K @ 30fps, 1080p @ 30fps

Rear Camera Features

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

Rear Camera Setup

Triple, 48MP + 13MP + 8MP
Triple, 48MP + 8MP + 5MP
Dual, 16MP + 2 MP

Rear Camera 1 Resolution

48 MP
48 MP
16 MP

Rear Camera 1 Type

f/1.75 Primary Camera
f/1.8 Primary Camera
f/1.7 Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size
1/2.8 inches sensor size

Rear Camera 2 Resolution

13 MP
8 MP
2 MP

Rear Camera 2 Type

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

Rear Camera 2 Lens

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

Rear Camera 3 Resolution

8 MP
5 MP
-

Rear Camera 3 Type

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

Rear Camera 3 Lens

4.0" sensor size, 1.12 micrometre pixel size
-
-

Rear Sensor

Exmor-RS CMOS Sensor
ISO-CELL
-

Rear Aperture

f/1.75
f/1.8
F1.7

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
On-Screen
On-Screen

Fingerprint Scanner Type

Optical
Optical
Optical

Face Unlock

Yes
Yes
-
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