Brand/Manufacture

Realme

Xiaomi

Model

Realme C21Y

Xiaomi Redmi 9

Code Name

RMX3261, RMX3263

M2004J19G, M2004J19C

Announcement Date

21 June, 2021

10 June, 2020

Official Release

02 July, 2021

10 June, 2020

Official Availability

Available.

Available.

Release Country

Global

Global

Screen Size

6.5 inches, 102.0 cm2(~81.6% screen-to-body ratio)

6.53 inches, 104.7 cm2 (~83.2% screen-to-body ratio),

Resolution & Pixel Density

720 x 1600 pixels, 20:9 ratio, ~270 ppi density

1080 x 2340 pixels, 19.5:9 ratio, ~395 ppi density

Brightness/Color Depth

400 nits (typ)

400 nits (typ)

Panel Type

IPS LCD, 400 nits (typ)

IPS LCD, 400 nits (typ)

Extra Feature

N/A, N/A

Corning Gorilla Glass 3, N/A

Dimensions (Size)

164.5 x 76 x 9.1 mm (6.48 x 2.99 x 0.36 in)

163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in)

Physical Weight

200 g (7.05 oz)

198 g (6.98 oz)

Body Materials

Glass front, plastic back, plastic frame

Glass front (Gorilla Glass 3), plastic back, plastic frame

Color Variant

Cross Black, Cross Blue

Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue

RAM & ROM Variant

32GB, 64GB

32GB, 64GB, 128GB, 128GB

Processor Variant

Unisoc T610 (12 nm)

Mediatek MT6769V/CU Helio G80 (12 nm)

Core Chipset (CPU)

Unisoc T610 (12 nm)

Mediatek MT6769V/CU Helio G80 (12 nm)

Graphics Power (GPU)

Mali-G52 MP2

Mali-G52 MC2

Operating System (OS)

Android 10/ Android 11

Android 10, upgradable to Android 12, MIUI 13

Sensor/lens

5 MP, f/2.2, (wide), 1/5.0", 1.12µm

8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm

Video Recording

1080p@30fps

1080p@30fps

Features/Modes

HDR, panorama

HDR

Sensor/lens

13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)

N/A

Telephoto Lens

No

No

Ultrawide Lens

No

No

3D ToF Sensor or LiDAR Scanner

N/A

N/A

Video Capabilities

1080p@30fps

1080p@30fps

Features/Modes

LED flash, HDR, panorama

LED flash, HDR, panorama

Battery Capacity

5000 mAh

Li-Po 5020 mAh

Battery Type

non-removable

non-removable

Charging Methods

Reverse wired

18W wired

Reverse Charging Support

Yes

No

Network Technology

GSM / HSPA / LTE

GSM / HSPA / LTE

SIM-Support

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)

WiFi Version

Wi-Fi 802.11 b/g/n

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth Version

5.0, A2DP, LE

5.0, A2DP, LE

USB Type

microUSB 2.0, OTG

USB Type-C 2.0, OTG

NFC Supported

No

Yes (market/region dependent)

Headphone Jack Supported

Yes

Yes

FM Radio Supported

Unspecified

Wireless FM radio (no wired headphones required)

Infrared Supported

No

Yes

Speakers

Yes

Yes

Dedicated Features

N/A

N/A

Durability (Water & Dust)

N/A

N/A