Compare
Realme C83 5G vs Vivo Y21 5G
₹1,000 apart. Here is what actually separates them.
Which one should you buy?
The C83 5G starts ₹1,000 lower: ₹19,999 against ₹20,999 for the Y21 5G.
- The C83 5G has the bigger battery: 7,000 mAh against 6,500 mAh. The Y21 5G charges faster, though: 44W against 15W.
- The C83 5G has the better screen on paper: smoother (144Hz against 120Hz).
- The Y21 5G is better sealed against dust and water: IP65 against IP64.
- Only the C83 5G has NFC, for tap-to-pay and quick pairing.
Which to buy
Get the C83 5G for the lower price, the bigger battery and the smoother screen. Get the Y21 5G for faster charging and better water protection.
Every spec, lined up
Better on paper
Display
SpecC83 5GY21 5G
Size
6.80 inches
6.74 inches
Panel
LCD
LCD
Resolution
1570 x 720 (HD+)
1600 x 720 (HD+) (better)
Refresh rate
144Hz (better)
120Hz
Peak brightness
700 nits
Not listed
Protection
Reinforced glass
Not listed
Performance
SpecC83 5GY21 5G
Chipset
MediaTek Dimensity 6300
Dimensity 6300
CPU
8-core
Octa-core, up to 2.4GHz
GPU
ARM Mali-G57 MC2@1072MHz
Not listed
RAM
4GB, 6GB
4GB, 6GB
Storage
64GB, 128GB
64GB, 128GB
Software
realme UI 6, Android 15 · 2 OS updates
OriginOS 6, Android 16
Camera
SpecC83 5GY21 5G
Rear cameras
13MP main
50MP main (f/1.8) + 0.08MP auxiliary (f/3.0)
Front camera
5MP
5MP (f/2.2)
Video
1080p at 30fps (rear), 720p at 30fps (front)
Not listed
Battery
SpecC83 5GY21 5G
Battery
7,000 mAh (better)
6,500 mAh
Wired charging
15W
44W (better)
Build and connectivity
SpecC83 5GY21 5G
Network
5G, 4G LTE
5G (SA/NSA), 4G VoLTE
SIM
Dual nano SIM
Hybrid dual nano SIM (up to 2TB microSD)
Wi-Fi and Bluetooth
Wi-Fi 6, Bluetooth 5.4
Dual-band Wi-Fi (2.4GHz, 5GHz), Bluetooth 5.4
NFC
Yes (better)
No
Dust and water
IP64
IP65 (better)
Weight
212 g
209 g (better)
Thickness
8.4 mm
8.39 mm (better)
Colours
Blooming Purple, Sprouting Green
Champagne Gold, Midnight Blue
Availability
SpecC83 5GY21 5G
Launch in India
16 Aug 2026
25 Mar 2026
Status
On sale
On sale
Versions and prices
C83 5G
- 4GB + 64GB₹19,999
- 4GB + 128GB₹23,999
- 6GB + 128GB₹26,999
Y21 5G
- 4GB + 64GB₹20,999
- 4GB + 128GB₹23,999
- 6GB + 128GB₹27,999
Prices in India as we last checked them. Sales and bank offers change them often, so check before you buy.
