Realme C21Y vs realme C55

Realme C21YT610Change
realme C55Helio G88Change

Chipset

Chipset
T610Helio G88
Process
12 nm12 nm TSMC
CPU
2× 1.82 GHz Cortex-A75
6× 1.82 GHz Cortex-A552× 2.00 GHz Cortex-A75
6× 1.80 GHz Cortex-A55
Top CPU speed
1.82 GHz2.00 GHz
CPU cores
88
GPU
Mali-G52Mali-G52 MC2

Memory

Versions seen
4GB | 64GB6GB | 64GB
8GB | 256GB
RAM type
—LPDDR4X

Display

Size
6.5 in6.7 in
Resolution
720 × 16001080 × 2400
Pixel density
269 ppi391 ppi
Refresh rates
60 Hz90 Hzalso 45, 60

Battery

Capacity
5,000 mAh5,000 mAh

Cameras

Back camera
13 MP4160 × 3120 · f/2.2 · 3.46 mm64.4 MP9280 × 6944 · f/1.79 · 4.7 mm
Front camera
5 MP2592 × 1944 · f/2.4 · 2.23 mm8 MP3264 × 2448 · f/2 · 2.76 mm

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

Connectivity

Wi-Fi
—Wi-Fi 5
6 GHz Wi-Fi
NoNo
Bluetooth LE Audio
—No
NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 11Android 15
Released with
Android 11Android 13
Widevine DRM
L3L1

Sensors

Sensors
69 sensors24 sensors
Realme C21Y full specs realme C55 full specs

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From phones shared with the Device Info app · updated October 2026 Hardware specs only. No personal data. Privacy