< Realme C21

Compare Realme C21 with Samsung Galaxy S8

Realme C21

Realme C21

Samsung Galaxy S8

Samsung Galaxy S8

Overview

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Dimensions

165.2 mm x 8.9 mm x 76.4 mm
Dimensions

148.9 mm x 8.0 mm x 68.1 mm
Weight

190 gram
Weight

155 gram
Sim card type

Nano-SIM
Sim card type

Nano-SIM
Communication

WLAN, Bluetooth, 4G, 3G, 2G
Communication

WLAN, Bluetooth, NFC, 4G, 3G, 2G
Camera

13.0 megapixel
Camera

12.2 megapixel
Display

6.5"
Display

5.8"
Memory

64.0 Gb, 4.0 Gb microSD card (microSD)
Memory

128.0 Gb, 4.0 Gb, 256 Gb microSD card (microSD)
Standby time

-
Standby time

-
Talk time

-
Talk time

-

General

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OS name

Android 11
OS name

Android 9.0
OS vendor

Google
OS vendor

Google
Type

Mobile phone
Type

Mobile phone
Shape

Slate
Shape

Slate
Height

165.2 mm
Height

148.9 mm
Length

76.4 mm
Length

68.1 mm
Width

8.9 mm
Width

8.0 mm
Weight

190 gram
Weight

155 gram

Connectivity

Sim card type

Nano-SIM
Sim card type

Nano-SIM
Communication

WLAN, Bluetooth, 4G, 3G, 2G
Communication

WLAN, Bluetooth, NFC, 4G, 3G, 2G
Bluetooth

5
Bluetooth

-
Near field communication

No
Near field communication

Yes
5G

-
5G

-
4G

LTE
4G

LTE, LTE-A
3G

HSDPA, HSPA, HSPA+, HSUPA, UMTS, WCDMA
3G

HSDPA, HSPA, HSPA+, HSUPA, UMTS, WCDMA
2G

EDGE, GPRS
2G

EDGE, GPRS
WLAN

802.11b, 802.11g, 802.11n
WLAN

802.11a, 802.11ac, 802.11b, 802.11g, 802.11n

Hardware

Camera primary

13.0 megapixel, x
Camera primary

12.2 megapixel, x
Camera secondary

5.0 megapixel
Camera secondary

8.0 megapixel
Display

6.5"
Display

5.8"
CPU

2.3 GHz, Octa-core
CPU

2.3 GHz, Samsung Exynos 9 Octa 8895M, Octa-core
Internal memory

Max: 64.0 Gb, RAM: 4.0 Gb
Internal memory

Max: 128.0 Gb, RAM: 4.0 Gb
External memory

microSD card (microSD), Max:
External memory

microSD card (microSD), Max: 256 Gb
GPS

Yes
GPS

Yes

Battery

GSM standby time

-
GSM standby time

-
GSM talk time

-
GSM talk time

-
UMTS standby time

-
UMTS standby time

-
UMTS talk time

-
UMTS talk time

-

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