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redmi-k20
18-fold
Display
Type
AMOLED
SUPER_AMOLED
Size
7.58"
6.39"
Resolution
HD+
FHD+
Refresh Rate
120Hz
—
Brightness
4000 nits
—
Protection
—
Corning Gorilla Glass 5
Platform
OS
ANDROID Android 17, HyperOS 4
ANDROID Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Chipset
XRing O3
Qualcomm SDM730 Snapdragon 730
CPU
10-core 4.35 GHz
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU
Arm G2-Ultra NX MC16
Adreno 618
AnTuTu Score
—
—
Memory
RAM
12GB / 16GB
6GB / 8GB
Storage
256GB / 512GB / 1024GB
64GB / 128GB / 256GB
Storage Type
UFS 4.1
UFS 2.1
Card Slot
No
No
Camera
Main Camera
200MP f/1.7
48MP f/1.8
Selfie Camera
16MP f/2.2
20MP f/2.2
Video (Max)
8K@24fps, 4K@30/60fps (Dolby Vision), 1080p@30/60/120/960fps, gyro-EIS, OIS
4K@30fps, 1080p@30/120/240fps, 1080p@960fps
OIS
Yes
No
Battery
Capacity
6,000 mAh
4,000 mAh
Wired Charging
67W
18W
Wireless Charging
50W
—
Fast Charging
PD3.0
—
Connectivity
Wi-Fi
Wi-Fi 7, Wi-Fi 6, Wi-Fi 5, Wi-Fi 4, Dual-band
Wi-Fi 5, Wi-Fi 4, Dual-band
Bluetooth
6.0
5.0
NFC
Yes
Yes
5G
Yes
No
USB
USB Type-C 3.2 Gen2
USB Type-C 2.0
GPS
GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
GPS, GLONASS, BeiDou, Galileo
Body
Dimensions
Unfolded: 163.8 x 117.8 x 5.0 mm
Folded: 83.6 x 117.8 x 10.7 mm
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
Weight
219g
191g
Build
Glass (Xiaomi Dragon Crystal Glass 3) / glass back / aluminum frame
Glass (Gorilla Glass 5) / glass back / aluminum frame
Water Resist
IP58
—
Colors
Gray, Silver, Red, Rose gold
Carbon black, Red flame, Glacier blue, Pearl White