realme C11 2021 vs Realme C21Y

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

realme C11 2021Spreadtrum SC9863AChange

Key differences

  1. Chipset: the realme C11 2021 uses the Spreadtrum SC9863A (28 nm), the Realme C21Y the T610 (12 nm). The realme C11 2021's fastest core runs at 1.60 GHz, the Realme C21Y's at 1.82 GHz.
  2. Main camera: 8 MP on the realme C11 2021, 13 MP on the Realme C21Y.

The same on both: a 60 Hz screen, 4GB | 64GB versions, Android 11 and Widevine L3.

Chipset

Chipset
Spreadtrum SC9863AT610
Process
28 nm12 nm
CPU
4× 1.60 GHz Cortex-A55
4× 1.20 GHz Cortex-A55
2× 1.82 GHz Cortex-A75
6× 1.82 GHz Cortex-A55
Top CPU speed
1.60 GHz1.82 GHz
CPU cores
88
GPU
PowerVR Rogue GE8322Mali-G52

Memory

Versions seen
4GB | 64GB4GB | 64GB
RAM type
LPDDR4—

Display

Size
6.5 in6.5 in
Resolution
720 × 1600720 × 1600
Pixel density
269 ppi269 ppi
Refresh rates
60 Hz60 Hz

Battery

Capacity
5,000 mAh5,000 mAh

Cameras

Back camera
8 MP3264 × 2448 · f/2 · 2.79 mm13 MP4160 × 3120 · f/2.2 · 3.46 mm
Front camera
5 MP2592 × 1944 · f/2.2 · 2.27 mm5 MP2592 × 1944 · f/2.4 · 2.23 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

6 GHz Wi-Fi
NoNo
NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 11Android 11
Released with
Android 11Android 11
Widevine DRM
L3L3

Sensors

Sensors
53 sensors69 sensors

See every detail of your own phone

Device Info is free on Google Play. Share your phone's report in two taps.

Get it on Google Play
From phones shared with the Device Info app · updated November 2026 Hardware specs only. No personal data. Privacy