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Better on paper
Read the verdict: realme NARZO 100x 5G vs Y21 5G
Display
Specrealme NARZO 100x 5GY21 5G
Size
6.8 inches
6.74 inches
Panel
LCD
LCD
Resolution
1570 x 720 (HD+)
1600 x 720 (HD+) (better)
Refresh rate
144Hz (better)
120Hz
Peak brightness
1,200 nits
1,200 nits
Protection
Panda 1681
Not listed
Performance
Specrealme NARZO 100x 5GY21 5G
Chipset
MediaTek Dimensity 6300
Dimensity 6300
CPU
Octa-core, up to 2.4GHz
Octa-core, up to 2.4GHz
GPU
Mali-G57 MC2
Not listed
RAM
4GB, 6GB
4GB, 6GB
Storage
64GB, 128GB, 256GB
64GB, 128GB
Software
realme UI
OriginOS 6, Android 16
Camera
Specrealme NARZO 100x 5GY21 5G
Rear cameras
50MP main
50MP main (f/1.8) + 0.08MP auxiliary (f/3.0)
Front camera
8MP (f/2.0)
5MP (f/2.2)
Video
1080p at 30fps (rear), 1080p at 30fps (front)
Not listed
Battery
Specrealme NARZO 100x 5GY21 5G
Battery
8,000 mAh (better)
6,500 mAh
Wired charging
45W (better)
44W
Build and connectivity
Specrealme NARZO 100x 5GY21 5G
Network
5G, 4G LTE
5G, 4G
SIM
Dual nano SIM
Dual nano SIM (hybrid microSD slot)
Wi-Fi and Bluetooth
Wi-Fi 5, Bluetooth 5.3
Wi-Fi (2.4GHz, 5GHz), Bluetooth 5.4
NFC
No
No
Dust and water
IP65
IP65
Weight
224 g
209 g (better)
Thickness
8.8 mm
8.39 mm (better)
Colours
Flash Orange, Midnight Black
Champagne Gold, Midnight Blue
Availability
Specrealme NARZO 100x 5GY21 5G
Launch in India
15 Jul 2026
25 Mar 2026
Status
On sale
On sale
Versions and prices
4GB + 64GB₹20,9994GB + 128GB₹22,9996GB + 128GB₹25,9996GB + 256GB₹28,999
4GB + 64GB₹20,9994GB + 128GB₹23,9996GB + 128GB₹27,999