Xiaomi Redmi K50 Ultra vs vivo V20 2021

Xiaomi Redmi K50 Ultra

vivo V20 2021

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41
5G network

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE-A, Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front, glass back
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

163.1 mm

161.3 mm
Width

75.9 mm

74.2 mm
Thickness

8.6 mm

7.4 mm
Weight

202 g

171 g
Colors

Black, Blue, Gray, Mercedes AMG

Midnight Jazz, Moonlight Sonata, Sunset Melody

Display
Display type

OLED

AMOLED
Physical size

6.67 inches

6.44 inches
Resolution

1220 x 2712 pixels

1080 x 2400 pixels
Pixel density

446 ppi

409 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus

2.5D curved glass screen
Display features

144Hz, HDR10+, Dolby Vision

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.19 GHz Cortex-X2

Dual-core 2.2 GHz Kryo 470 Gold
CPU(second)

Triple-core 2.75 GHz Cortex-A710

Hexa-core 1.8 GHz Kryo 470 Silver
CPU(third)

Quad-core 1.8 GHz Cortex-510
Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1

Qualcomm SDM730 Snapdragon 730
GPU

Adreno 730

Adreno 618
Memory RAM

8, 12 GB

8 GB
Internal storage

128, 256, 512 GB

128 GB
Memory card

No

microSD, microSDHC, microSDXC
Storage

UFS 3.1

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm

(wide) , 13 MP, f/1.8
(ultrawide) , 8 MP, f/2.2 , 120˚

(macro) , 2 MP, f/2.4
(macro) , 2 MP, f/2.4

(depth) , 2 MP, f/2.4
Primary camera resolution

12000 x 9000 pixels

4160 x 3120 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/120/240/960fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, flicker sensor

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 20 MP

(wide) , 44 MP, f/2.0
Selfie camera features

HDR

Autofocus, face unlock, HDR
Selfie camera video

1080p@30/60fps, 720p@120fps

4K@30fps, 1080p@30fps, gyro-EIS

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-