Compare
Poco C81 vs OPPO K13x 5G
Same price. Here is what actually separates them.
Which one should you buy?
Same price: both start at ₹12,999 in India, so this comes down to what you get for it.
- The C81 has the bigger battery: 6,300 mAh against 5,000 mAh. The K13x 5G charges faster, though: 45W against 15W.
- The K13x 5G has the better screen on paper: brighter (1,200 nits against 600) and sharper (FHD+ against HD+).
- The K13x 5G is the lighter phone: 190 g against 206 g.
- The K13x 5G is better sealed against dust and water: IP54 against IP52.
Which to buy
Get the C81 for the bigger battery. Get the K13x 5G for faster charging, the better screen and the lighter build.
Every spec, lined up
Better on paper
Display
SpecC81K13x 5G
Size
6.9 inches
6.67 inches
Panel
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
Corning Gorilla Glass
Corning Gorilla Glass
Performance
SpecC81K13x 5G
Chipset
Unisoc T7250
MediaTek Dimensity 6300
CPU
Octa-core, up to 1.8GHz
Octa-core
GPU
Mali-G57
Mali
RAM
4GB
4GB, 6GB, 8GB
Storage
64GB
128GB
Software
HyperOS, Android 16 · 4 OS updates
ColorOS 15 · Android 15
Camera
SpecC81K13x 5G
Rear cameras
13MP main + secondary
32MP main + 2MP portrait
Front camera
8MP
32MP
Video
1080p at 30fps (rear), 1080p at 30fps (front)
4K at 30fps, 1080P at 60fps
Battery
SpecC81K13x 5G
Battery
6,300 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 5.0
Wi-Fi 6, Bluetooth 5.4
NFC
No
No
Dust and water
IP52
IP54 (better)
Weight
206 g
190 g (better)
Thickness
8.3 mm
7.8 mm (better)
Colours
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
C81
- 4GB + 64GB₹12,999
K13x 5G
- 4GB + 128GB₹12,999
- 6GB + 128GB₹14,499
- 8GB + 128GB₹16,499
Prices in India as we last checked them. Sales and bank offers change them often, so check before you buy.