Realme C21Y vs realme X
Specs compared side by side, measured on real phones shared by owners with the Device Info app.
Key differences
- 1Chipset: the Realme C21Y uses the T610 (12 nm), the realme X the Snapdragon 710 (10 nm). The Realme C21Y's fastest core runs at 1.82 GHz, the realme X's at 2.21 GHz.
- 2Screen: 6.5 inches on the Realme C21Y, 6.4 inches on the realme X. Both run at up to 60 Hz.
- 3Battery: 5,000 mAh on the Realme C21Y, 3,765 mAh on the realme X.
- 4Main camera: 13 MP on the Realme C21Y, 12 MP on the realme X.
The same on both: Android 11 and Widevine L3.
Chipset
Chipset
T610
Snapdragon 710Process
12 nm10 nm
CPU
2× 1.82 GHz Cortex-A75
6× 1.82 GHz Cortex-A552× 2.21 GHz Kryo 360 Gold
6× 1.71 GHz Kryo 360 Silver
6× 1.82 GHz Cortex-A552× 2.21 GHz Kryo 360 Gold
6× 1.71 GHz Kryo 360 Silver
Top CPU speed
1.82 GHz2.21 GHz
CPU cores
88
GPU
Mali-G52Adreno 616
Memory
Versions seen
4GB | 64GB8GB | 128GB
RAM type
—LPDDR4X
Display
Size
6.5 in6.4 in
Resolution
720 × 16001080 × 2340
Pixel density
269 ppi401 ppi
Refresh rates
60 Hz60 Hz
HDR
—HDR10, HLG
Battery
Capacity
5,000 mAh3,765 mAh
Cameras
Back camera
13 MP4160 × 3120 · f/2.2 · 3.46 mm12 MP4000 × 3000 · f/1.8 · 4.73 mm
Front camera
5 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
Wi-Fi
—Wi-Fi 5
6 GHz Wi-Fi
NoNo
NFC
NoNo
UWB
NoNo
USB host
YesYes
Software
Android
Android 11Android 11
Released with
Android 11Android 9
Widevine DRM
L3L3
Sensors
Sensors
69 sensors32 sensors
These two phones have the same specs in every row.
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