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Realme X2 vs Vivo X21 vs Xiaomi Poco F1

- Updated: 24th Dec 2019, 12:37 IST

Key Feature Comparison

Show differences only

At a Glance

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

Qualcomm Snapdragon 730G, Adreno 618

Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 660, Adreno 512

Octa core (2.8 GHz, Quad core, Kryo 385 + 1.8 GHz, Quad core, Kryo 385)

Qualcomm Snapdragon 845, Adreno 630

4000 mAh

Li-ion, VOOC, v4.0, 30W

3200 mAh

Li-ion, Fast

4000 mAh

Li-Polymer, Quick, v3.0

6.4 inches

403 ppi, FHD

6.28 inches

402 ppi, FHD

6.18 inches

403 ppi, FHD

Quad, 64MP + 8MP + 2MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

Dual, 12MP + 5MP

3840x2160 @ 30 fps

Dual, 12MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.4 inches

6.28 inches

6.18 inches

Screen Type

Super AMOLED

Super AMOLED

IPS LCD

Screen Resolution

1080 x 2340 pixels

1080 x 2280 pixels

1080 x 2246 pixels

Pixel Density

403 ppi

402 ppi

403 ppi

Aspect Ratio

19.5:9

-

-

Screen Protection

Gorilla Glass 5

Gorilla Glass 3

Corning Gorilla Glass

Screen to Body Ratio

91.90%

84.93%

82.20%

Screen Design

Waterdrop notch

-

Regular notch

Screen Quality

FHD

FHD

FHD

Phone Variants

4GB 64GB, 8GB 256GB, 8GB 128GB, 6GB 128GB

6GB 128GB

6GB 64GB, 8GB 256GB, 6GB 128GB

Expandable Storage

Yes

Yes

Yes

RAM Type

LPDDR4X

-

LPDDR4X

Storage Type

UFS 2.1

-

UFS 2.1

Expandable Storage Capacity

Yes, 256 GB

Yes, 256 GB

Yes, 256 GB

OTG Support

Yes

Yes

Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v9.0 (Pie)

Android v8.1 (Oreo)

Android v8.1 (Oreo)

GPU

Adreno 618

Adreno 512

Adreno 630

Chipset

Qualcomm Snapdragon 730G

Qualcomm Snapdragon 660

Qualcomm Snapdragon 845

CPU

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

Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)

Octa core (2.8 GHz, Quad core, Kryo 385 + 1.8 GHz, Quad core, Kryo 385)

Custom User Interface

Realme UI

Funtouch OS

MIUI

Clock Speed

2.2 GHz

2.2 GHz

2.8 GHz

Architecture

64 bit

64 bit

64 bit

Process Technology

8 nm

-

10 nm

Battery Capacity

4000 mAh

3200 mAh

4000 mAh

Battery Removable

No

No

No

Battery Type

Li-ion

Li-ion

Li-Polymer

Charger Type

VOOC, v4.0, 30W

Fast

Quick, v3.0

USB Type-C

Yes

No

Yes

Fast Charging

Yes

Yes

Yes

Charging Time

65 % in 30 minutes

-

-

Announced On

5-Sep-19

5-Mar-18

5-Aug-18

Market Status

Available

Available

Available

Brand

Realme

Vivo

POCO

Model Number

RMX1992

-

m1805e10a

Price Status

Confirmed

Confirmed

Confirmed

Price

Rs. 17,999

Rs. 36,990

Rs. 17,999

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

32-bit/192kHz audioActive noise cancellation with dedicated mic

Active noise cancellation with dedicated mic

NFC

No

-

No

Network Support

4G

4G

4G

Bluetooth

Yes

Yes

Yes

FM Radio

No

Yes

Yes

3.5mm Audio Jack

Yes

Yes

Yes

SIM Size

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano (Hybrid)

SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

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

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

Yes, Wi-Fi 802.11, a/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

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) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

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) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

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) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...

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) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

Front Video Recording

1920x1080 @ 30 fps

1080p30fps

1920x1080 @ 30 fps

Front Camera Features

HDR

-

HDR

Front Camera Setup

Single, 32MP

Single, 12MP

Single, 20MP

Front Camera 1 Resolution

32 MP

12 MP

20 MP

Front Camera 1 Type

f/2.0, Wide Angle Primary Camera

f/2.0 Primary Camera

f/2.0 Primary Camera

Front Camera 1 Lens

3.81 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size

-

0.9 micrometre pixel size

Front Sensor

CMOS

CMOS

-

Front Aperture

f/2.0

f/2.0

f/2.0

Front Flash

-

Yes, Screen flash

Yes, Screen flash

Weight

182 grams

156.2 grams

182 grams

Colors

Pearl White, Pearl Blue, Pearl Green

Black

Graphite Black, Steel Blue, Rosso Red

Build

Back: Gorilla Glass

Front glass, aluminum body

Back: Polycarbonate

Dimensions

158.7 x 75.2 x 8.6 mm

154.4 x 74.7 x 7.3 mm

155.5 x 75.2 x 8.8 mm

SAR Value

Head: 1.160 W/kg, Body: 0.521 W/kg

Head: 1.180 W/kg, Body: 0.573 W/kg

Head: 0.719 W/kg, Body: 0.746 W/kg

OIS

No

-

No

Rear Flash

Yes, LED Flash

Yes, LED Flash

Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

3840x2160 @ 30 fps

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

Rear Camera Features

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

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

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

Rear Camera Setup

Quad, 64MP + 8MP + 2MP + 2MP

Dual, 12MP + 5MP

Dual, 12MP + 5MP

Rear Camera 1 Resolution

64 MP

12 MP

12 MP

Rear Camera 1 Type

f/1.8 (upto 5x Digital Zoom) Primary Camera

f/1.8 Primary Camera

f/1.9 Primary Camera

Rear Camera 1 Lens

5.58 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size

2.55" sensor size, 1.4 micrometre pixel size

2.55" sensor size, 1.4 micrometre pixel size

Rear Camera 2 Resolution

8 MP

5 MP

5 MP

Rear Camera 2 Type

f/2.25, Wide Angle, Ultra-Wide Angle Camera

f/2.4, Depth Camera

f/2.0, Depth Camera

Rear Camera 2 Lens

1.66 mm focal length, 1.12 micrometre pixel size

-

1.12 micrometre pixel size

Rear Camera 3 Resolution

2 MP

-

-

Rear Camera 3 Type

f/2.4, Macro Camera

-

-

Rear Camera 3 Lens

1.77 mm focal length, 1.75 micrometre pixel size

-

-

Rear Camera 4 Resolution

2 MP

-

-

Rear Camera 4 Type

f/2.4, Depth Camera

-

-

Rear Camera 4 Lens

1.77 mm focal length, 1.75 micrometre pixel size

-

-

Rear Sensor

ISOCELL Plus

ISO-CELL

Exmor-RS CMOS Sensor

Rear Aperture

f/1.8

f/1.8

f/1.9

Fingerprint Scanner

Yes

Yes

Yes

Fingerprint Scanner Position

On-Screen

On-Screen

Rear

Fingerprint Scanner Type

Optical

Optical

-

Face Unlock

Yes

Yes

Yes

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