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Better on paper
Read the verdict: C81 vs K13x 5G
Display
SpecC81K13x 5G
Size
6.9 inches
6.67 inches
Panel
IPS LCD
AMOLED
Resolution
1640 x 720 (HD+)
2412 x 1080 (FHD+) (better)
Refresh rate
120Hz
120Hz
Peak brightness
600 nits
1,200 nits (better)
Protection
Not listed
Corning Gorilla Glass
Performance
SpecC81K13x 5G
Chipset
Unisoc T7250
MediaTek Dimensity 6300
CPU
Not listed
Octa-core
GPU
Not listed
Mali
RAM
4GB
4GB, 6GB, 8GB
Storage
64GB
128GB
Software
HyperOS, Android 15 · 4 OS updates
ColorOS 15 · Android 15
Camera
SpecC81K13x 5G
Rear cameras
13MP main + secondary
32MP main + 2MP portrait
Front camera
5MP
32MP
Video
1080p at 30fps
4K at 30fps, 1080P at 60fps
Battery
SpecC81K13x 5G
Battery
6,100 mAh (better)
5,000 mAh
Wired charging
15W
45W (better)
Build and connectivity
SpecC81K13x 5G
Network
4G LTE
5G
SIM
Dual Nano SIM
Dual nano SIM
Wi-Fi and Bluetooth
Wi-Fi 5, Bluetooth 5.2
Wi-Fi 6, Bluetooth 5.4
NFC
No
No
Dust and water
IP52
IP54 (better)
Weight
204 g
190 g (better)
Thickness
8.2 mm
7.8 mm (better)
Colours
Elite Black, Sunset Gold
Breeze Blue, Midnight Violet
Availability
SpecC81K13x 5G
Launch in India
20 Feb 2026
20 Jul 2025
Status
On sale
On sale
Versions and prices
4GB + 64GB₹12,999
4GB + 128GB₹12,9996GB + 128GB₹14,4998GB + 128GB₹16,499