Comparison of Xiaomi Redmi K20 and Infinix Smart HD 2021

Comparison of Xiaomi Redmi K20 and Infinix Smart HD 2021 [S]ave

Attribute	Infinix Smart HD 2021 ×	Xiaomi Redmi K20 ×
General
Brand	Infinix	Xiaomi
Launch
Announced	2020-12-16	2019-05-01
Body
Width (mm)	9.8	8.8
Length (mm)	158.3	156.7
Height (mm)	75.2	74.3
Weight (g)	195	191
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Front	Glass	Glass
Back	Plastic	Glass
Frame	Plastic	Aluminum
Network
Technology	GSM HSPA LTE	GSM HSPA LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G bands	1, 3, 5, 8, 38, 40, 41	1, 3, 5, 7, 8, 34, 38, 39, 40, 41
Speed	HSPA 21.1/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A
Platform
OS	Android 10 (Go edition)	Android 9.0 (Pie)
Chipset	Mediatek MT6761D Helio A20 (12 nm)	Qualcomm SDM730 Snapdragon 730 (8 nm)
CPU	Quad-core 1.8 GHz Cortex-A53	Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU	PowerVR GE8320	Adreno 618
Memory
Card slot	microSDXC (dedicated slot)	No
Internal	32GB 2GB RAM	128GB 6GB RAM 256GB 8GB RAM 64GB 6GB RAM
Display
Size (in)	6.1	6.39
Resolution (px)	720 x 1560	1080 x 2340
Protection	-	Corning Gorilla Glass 5
Display Type	IPS LCD	Super AMOLED
Battery
Type	Li-Po	Li-Po
Charging	-	Fast charging 18W
Capcity (mAh)	5000	4000
Main Camera
Main Camera Type	Dual	Triple
Main Camera Properties	8 MP, f/2.0	13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm 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
Main Camera Video	1080p@30fps	4K@30fps, 1080p@30/120/240fps, 1080p@960fps
Main Camera Features	Dual-LED flash, HDR, panorama	Dual-LED flash, HDR, panorama
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	5 MP, f/2.0	Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Selfie Camera Video	1080p@30fps	1080p@30fps
Selfie Camera Features	Dual-LED flash, HDR	HDR
Comms
WLAN	Wi-Fi 802.11 a/b/g/n, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE, aptX HD
GPS	+	+
NFC	-	+
Radio	FM radio	FM radio
USB	microUSB 2.0	USB Type-C 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (rear-mounted) accelerometer proximity	Fingerprint (under display accelerometer compass gyro optical) proximity
Misc
Colors	Obsidian Black Quartz Green Topaz Blue	Carbon black Glacier blue Pearl White Red flame
Models	X612 X612B	M1903F10I
SAR Head (W/kg)	0.53	1.07
SAR Body (W/kg)	1.22	0.72