Compare Redmi K40 vs Xiaomi MIX 4 vs Redmi K40 Pro+

Xiaomi | Smartphones

Connectivity

Ports

USB-C

Wireless Connectivity

WiFi 6, Bluetooth 5.1

WiFi 6E, Bluetooth 5.2, UWB point-to-connect, Multifunctional NFC, IR Blaster

WiFi 6E, Bluetooth 5.2, NFC, IR blaster

Construction

Battery | Capacity

4520 mAh

4500 mAh

4520 mAh

Camera | Front

20MP

20MP CUP camera, 1.6μm 4-in-1 Super Pixel

20MP

Camera | Rear | Telephoto

5MP

8MP, 5X optical zoom, 50x digital zoom, OIS

5MP

Camera | Rear | Ultra-Wide

8MP

13MP, free-form lens, FOV 120°, 6P lens

8MP, f/2.2

Camera | Rear | Wide

48MP, Sony IMX582, f/1.79

108MP, 1/1.33″ HMX sensor, 1.6μm 4-in-1 Super Pixel, OIS, 7P lens

108MP, Samsung HM2, f/1.75

Colors

Glossy Black, Icy White, and Dreamland

Ceramic Gray, Ceramic White, Ceramic Black

Glossy Black, Icy White, and Dreamland

Material

Corning Gorrila Glass 5

Corning Gorilla Glass Victus front

Corning Gorrila Glass 5

Speakers

Dual speakers

Dual speakers, SOUND BY Harman Kardon, Hi-Res Audio certification

Dual speakers

Dimensions

Size | Depth

7.8 mm

8 mm / 0.31"

7.8 mm

Size | Height

163.7 mm

162.6 mm / 6.40"

163.7 mm

Size | Width

76.4 mm

75.4 mm / 2.97"

76.4 mm

Weight

196 g

225 g / 7.94 oz

196 g

Display

Aspect Ratio

20:9

Brightness

900 nits (typ) / 1300 nits (max)

800 nits

900 nits (typ) / 1300 nits (max)

Contrast Ratio

5,000,000:1 (typical)

Display Color Depth

10-bit

10-bit (1.07B colors)

10-bit

Display Diagonal

6.67 inch

Display Type

Samsung E4 AMOLED (OLED)

3D curved AMOLED (OLED)

Samsung E4 AMOLED (OLED)

Gamut

100% DCI-P3

Refresh Rate

120 Hz

Resolution

FHD+ 2400x1080

1080 x 2400

FHD+ 2400x1080

Function

Audio

Dolby Atmos

Hi-Res Audio certification

Dolby Atmos

Bluetooth Codecs

AAC / LDAC / LHDC

AAC/LDAC/LHDC

AAC / LDAC / LHDC

Chipset

Qualcomm Snapdragon 870

Qualcomm Snapdragon 888+

Qualcomm Snapdragon 888

Fast Charging

55W wired turbo charging

120W wired charging: 21mins to 100% in default mode, 15mins to 100% in Boost Mode

55W wired turbo charging

GPS

GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou

Graphics

Qualcomm Adreno 650 GPU

Adreno 660

Qualcomm Adreno 660 GPU

HDR

HDR10+

HDR10+, Dolby Vision

HDR10+

Operating System

MIUI 12, Android 11

Processor

Qualcomm Kryo585, 8-core

Octa-core (1x2.99 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)

Qualcomm Kryo 680, 8-core

SIM

Dual nano 5G

Dual Nano SIM, 5G

Dual nano 5G

Security

Side-mounted fingerprint sensor

Sensor

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum

Touch Screen

360Hz touch sampling rate

480Hz touch sampling rate

360Hz touch sampling rate

Video Recording

4K 30fps, FHD 960fps

8K 30fps / 4K 60fps / FHD 960fps

Weather Resistance

IP53

Wireless Charging

50W wireless charging: 45min to 100% in default mode, 28min to 100% in Boost Mode

Performance

Charging Time

52min to 100%

Memory | Capacity

6, 8, or 12 GB

8 or 12 GB

12 GB

Memory | Type

LPDDR5 5500Mbps

LPDDR5 6400Mbps

Power Supply

33 W

Storage

128 or 256 GB UFS 3.1

128, 256, or 512 GB UFS 3.1

256 GB UFS 3.1

Production

Debut

2021-02-25

2021-08-10

2021-02-25

Price

Offers (incl. referral links)

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