Samsung Galaxy Z Flip3 5G vs Xiaomi Redmi K40S

Samsung Galaxy Z Flip3 5G

Xiaomi Redmi K40S

Network
2G network

GSM 850, 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, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71

LTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

5G band 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave

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 (6CA), Cat20, 2000 Mbps download, 200 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic front, glass back (Gorilla Glass Victus), aluminum frame

Glass front (Gorilla Glass 5), plastic back
SIM

Nano-SIM, eSIM

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

86.4 mm

163.2 mm
Width

72.2 mm

76 mm
Thickness

6.9 mm

7.7 mm
Height unfolded

166 mm

-
Width unfolded

72.2 mm

-
Thickness unfolded

15.9-17.1 mm

-
Weight

183 g

195 g
Payment

Samsung Pay (Visa, MasterCard certified)

-
Waterproof

IPX8, 1.5m and 30 minutes

-
Splash resistant

-

Yes
Colors

Black, Gray, Green, Lavender, Pink, White

Black, Blue, Gray, Green

Display
Display type

Foldable Dynamic AMOLED 2X

AMOLED
Physical size

6.7 inches

6.67 inches
Resolution

1080 x 2640 pixels

1080 x 2400 pixels
Pixel density

426 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Display features

120Hz, HDR10+, 1200 nits (peak)

120Hz, HDR10+, 1300 nits (peak)
Cover display

Super AMOLED

-
Cover display physical size

1.9 inches

-
Cover display resolution

260 x 512 pixels

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.84 GHz Kryo 680

Single-core 3.2 GHz Kryo 585
CPU(second)

Triple-core 2.42 GHz Kryo 680

Triple-core 2.42 GHz Kryo 585
CPU(third)

Quad-core 1.8 GHz Kryo 680

Quad-core 1.80 GHz Kryo 585
Chipset

Qualcomm SM8350 Snapdragon 888 5G

Qualcomm SM8250-AC Snapdragon 870 5G
GPU

Adreno 660

Adreno 650
Memory RAM

8 GB

6, 8, 12 GB
Internal storage

128, 256 GB

128, 256 GB
Memory card

No

No
Storage

UFS 3.1

UFS 3.1

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 12 MP, f/1.8 , 78˚ , 27 mm, 1/1.8" , 1.4 µm, 8x digital zoom

(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm
(ultrawide) , 12 MP, f/2.2 , 123˚ , 52 mm, 1.12 µm

(ultrawide) , 8 MP, 119˚
(macro) , 2 MP, f/2.4
Primary camera resolution

4032 x 3024 pixels

8000 x 6000 pixels
Primary camera video

4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+

4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

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

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 3.1

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

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