Screen size
Poco C81xWinner: 6.9"+7.1%
Redmi K20 Pro Premium6.4"
Quick verdict
Redmi K20 Pro Premium leads the measured specs 10-7.
Measured wins
Poco C81x
7
spec wins
Ties
4
equal specs
Redmi K20 Pro Premium
10
spec wins
Overall winner
Screen size
Technology
Poco C81x
GSM / HSPA / LTE
Redmi K20 Pro Premium
GSM / CDMA / HSPA / LTE
2G bands
Poco C81x
GSM 850 / 900 / 1800 / 1900
Redmi K20 Pro Premium
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
Poco C81x
HSDPA 850 / 900 / 2100
Redmi K20 Pro Premium
HSDPA 850 / 900 / 1900 / 2100
4G bands
Poco C81x
1, 3, 5, 8, 28, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
Redmi K20 Pro Premium
1, 3, 5, 7, 8, 34, 38, 39, 40, 41
Speed
Poco C81x
HSPA, LTE
Redmi K20 Pro Premium
HSPA, LTE
Announced
Poco C81x
2026, April 23
Redmi K20 Pro Premium
2019, September. Released 2019, September
Status
Poco C81x
Available. Released 2026, April 23
Redmi K20 Pro Premium
Discontinued
Dimensions
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Redmi K20 Pro Premium
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
Weight
Poco C81x
193 g (6.81 oz)
Redmi K20 Pro Premium
191 g (6.74 oz)
SIM
Poco C81x
Nano-SIM + Nano-SIM
Redmi K20 Pro Premium
Nano-SIM + Nano-SIM
Other
Poco C81x
Dust and splash resistant
Redmi K20 Pro Premium
-
Build
Poco C81x
-
Redmi K20 Pro Premium
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Type
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Redmi K20 Pro Premium
Super AMOLED, HDR10
Size
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Redmi K20 Pro Premium
6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)
Resolution
Poco C81x
720 x 1640 pixels (~260 ppi density)
Redmi K20 Pro Premium
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
Poco C81x
-
Redmi K20 Pro Premium
Corning Gorilla Glass 5
OS
Poco C81x
Android 15, up to 2 major Android upgrades
Redmi K20 Pro Premium
Android 10, MIUI 11
Chipset
Poco C81x
Unisoc T7250 (12 nm)
Redmi K20 Pro Premium
Qualcomm SM8150 Snapdragon 855+ (7 nm)
CPU
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Redmi K20 Pro Premium
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU
Poco C81x
Mali-G57 MP1
Redmi K20 Pro Premium
Adreno 640 (700 MHz)
Card slot
Poco C81x
microSDXC (dedicated slot)
Redmi K20 Pro Premium
No
Internal
Poco C81x
64GB 3GB RAM
Redmi K20 Pro Premium
128GB 8GB RAM, 512GB 8GB RAM, 512GB 12GB RAM
Other
Poco C81x
-
Redmi K20 Pro Premium
UFS 2.1
Single
Poco C81x
13 MP, f/2.2, (wide)
Redmi K20 Pro Premium
-
Features
Poco C81x
LED flash, HDR
Redmi K20 Pro Premium
Laser AF, Dual-LED flash, HDR, panorama
Video
Poco C81x
1080p@30fps
Redmi K20 Pro Premium
4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Triple
Poco C81x
-
Redmi K20 Pro Premium
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm
Single
Poco C81x
8 MP, f/2.0, (wide)
Redmi K20 Pro Premium
Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Features
Poco C81x
HDR
Redmi K20 Pro Premium
HDR
Video
Poco C81x
1080p@30fps
Redmi K20 Pro Premium
1080p@30fps
Loudspeaker
Poco C81x
Yes
Redmi K20 Pro Premium
Yes
3.5mm jack
Poco C81x
Yes
Redmi K20 Pro Premium
Yes
Other
Poco C81x
-
Redmi K20 Pro Premium
24-bit/192kHz Hi-Res audio
WLAN
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi K20 Pro Premium
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Poco C81x
5.2, A2DP, LE
Redmi K20 Pro Premium
5.0, A2DP, LE, aptX HD
Positioning
Poco C81x
GPS, GALILEO, GLONASS, QZSS
Redmi K20 Pro Premium
GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
NFC
Poco C81x
No
Redmi K20 Pro Premium
Yes
Radio
Poco C81x
FM radio
Redmi K20 Pro Premium
Yes
USB
Poco C81x
USB Type-C 2.0, OTG
Redmi K20 Pro Premium
USB Type-C 2.0, OTG
Sensors
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Redmi K20 Pro Premium
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Poco C81x
Virtual proximity sensing
Redmi K20 Pro Premium
-
Type
Poco C81x
5200 mAh
Redmi K20 Pro Premium
Li-Po 4000 mAh, non-removable
Charging
Poco C81x
15W wired 7.5W reverse wired
Redmi K20 Pro Premium
27W wired, QC4
Colors
Poco C81x
Ice Blue, Crystal Black
Redmi K20 Pro Premium
Carbon black, Flame red, Glacier blue, Summer Honey, Pearl White
Price
Poco C81x
About 90 EUR
Redmi K20 Pro Premium
About 450 EUR