Motorola Razr 40 vs Xiaomi Redmi K50 Ultra

Motorola Razr 40

Xiaomi Redmi K50 Ultra

Network
2G network

GSM 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66 - global version; 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - North America

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

5G band 1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - global version; 1, 2, 3, 5, 7, 12, 14, 20, 25, 26, 28, 29, 30, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6 - North America

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
LTE speed

LTE-A (CA)

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic front (opened), plastic front (closed), plastic back, aluminum frame (7000 series), hinge (stainless steel)

Aluminium alloy, glass
SIM

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

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

88.2 mm

163.1 mm
Width

74 mm

75.9 mm
Thickness

15.8 mm

8.6 mm
Height unfolded

170.8 mm

-
Width unfolded

74 mm

-
Thickness unfolded

7.4 mm

-
Weight

188.6 g

202 g
Waterproof

Water-repellent coating

-
Colors

Grape Compote, Sage Green, Summer Lilac, Vanilla Cream

Black, Blue, Gray, Mercedes AMG

Display
Display type

Foldable LTPO AMOLED

OLED
Physical size

6.9 inches

6.67 inches
Resolution

1080 x 2460 pixels

1220 x 2712 pixels
Pixel density

413 ppi

446 ppi
Display colors

1073741824

16777216
Protection

-

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

144Hz, HDR10+, 1400 nits (peak)

144Hz, HDR10+, Dolby Vision
Additional display

AMOLED

-
Resolution of additional display

194 x 368 pixels

-
Size of additional display

1.5 inches

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.4 GHz Cortex-A710

Single-core 3.19 GHz Cortex-X2
CPU(second)

Triple-core 2.36 GHz Cortex-A710

Triple-core 2.75 GHz Cortex-A710
CPU(third)

Quad-core 1.8 GHz Cortex-A510

Quad-core 1.8 GHz Cortex-510
Chipset

Qualcomm SM7450-AB Snapdragon 7 Gen 1

Qualcomm SM8475 Snapdragon 8+ Gen 1
GPU

Adreno 644

Adreno 730
Memory RAM

8, 12 GB

8, 12 GB
Internal storage

128, 256 GB

128, 256, 512 GB
Memory card

No

No
Storage

UFS 2.2

UFS 3.1

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 64 MP, f/1.7 , 0.7 µm

(wide) , 108 MP, f/1.6 , 0.64 µm, 1/1.67"
(ultrawide) , 13 MP, f/2.2 , 120˚ , 1/1.3" , 1.12 µm

(ultrawide) , 8 MP, f/2.2 , 120˚
(macro) , 2 MP, f/2.4
Primary camera resolution

9280 x 6920 pixels

12000 x 9000 pixels
Primary camera video

4K@30fps, 1080p@30/60fps, gyro-EIS

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

LED flash

LED flash
Camera features

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

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

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, 802.11ax
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
Bluetooth

v5.3

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, barometer (USA only), compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity