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Xiaomi Redmi K40 vs Xiaomi Redmi K40 Pro

Compare Xiaomi Redmi K40

Rs. 22,490
(Not Released in India)

 

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Compare Xiaomi Redmi K40 Pro

Rs. 31,490
(Not Released in India)

 

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Compare Nothing Phone 3a

Rs. 24,999

 

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Summary
Performance

Snapdragon 870

Octa Core (upto 3.2 GHz)

6 GB RAM

Snapdragon 888

Octa Core (upto 2.84 GHz)

6 GB RAM

Snapdragon 7s Gen 3

Octa Core (upto 2.5 GHz)

8 GB RAM

Display

6.67" (16.94 cm)

Super AMOLED

1080x2400 px (FHD+)

120 Hz Refresh Rate

6.67" (16.94 cm)

Super AMOLED

1080x2400 px (FHD+)

120 Hz Refresh Rate

6.77" (17.2 cm)

Flexible AMOLED

1080x2392 px (FHD+)

120 Hz Refresh Rate

Rear Camera

48 MP Wide Angle Primary Camera

8 MP Ultra-Wide Angle Camera

5 MP Macro Camera

64 MP Wide Angle Primary Camera

8 MP Ultra-Wide Angle Camera

5 MP Macro Camera

50 MP Wide Angle Primary Camera

8 MP Ultra-Wide Angle Camera

50 MP Telephoto Camera (upto 2x Optical Zoom)

Front Camera

20 MP Wide Angle Lens

20 MP Wide Angle Lens

32 MP Wide Angle Lens

Battery

4520 mAh

33W Fast Charging

N/A

4520 mAh

33W Fast Charging

No Wireless Charging

5000 mAh

50W Fast Charging

No Wireless Charging

Storage

128 GB

UFS 3.1

128 GB

UFS 3.1

128 GB

UFS 2.2

Expert Rating

8.1/10

Read Expert Review

Compare Prices
Xiaomi Redmi K40 is permanently discontinued.
Xiaomi Redmi K40 Pro is permanently discontinued.
Rs. 24,999 @Flipkart Buy
Not available in any other store
General
Launch Date

March 11, 2025 (Official)

Operating System

Android v11

Android v11

Android v15

OS Updates

3 Years

Security Updates

6 Years

Custom UI

MIUI

MIUI

Nothing OS

Performance
Very Good
Very Good
Very Good
Chipset

Qualcomm Snapdragon 870

Qualcomm Snapdragon 888

Qualcomm Snapdragon 7s Gen 3

CPU

Octa core (3.2 GHz, Single core, Kryo 585 + 2.42 GHz, Tri core, Kryo 585 + 1.8 GHz, Quad core, Kryo 585)

Octa core (2.84 GHz, Single core, Kryo 680 + 2.42 GHz, Tri core, Kryo 680 + 1.8 GHz, Quad core, Kryo 680)

Octa core (2.5 GHz, Single core, Cortex A720 + 2.4 GHz, Tri core, Cortex A720 + 1.8 GHz, Quad core, Cortex A520)

Architecture

64 bit

64 bit

64 bit

Fabrication

7 nm

5 nm

4 nm

Graphics (GPU)

Adreno 650

Adreno 660

Adreno 710

RAM

6 GB

6 GB

8 GB

RAM Type

LPDDR5

LPDDR5

LPDDR4X

Display
Excellent
Excellent
Excellent
Display Type

Super AMOLED

Super AMOLED

Flexible AMOLED

Screen Size

6.67 " (16.94 cm)

6.67 " (16.94 cm)

6.77 " (17.2 cm)

Resolution

1080x2400 px (FHD+)

1080x2400 px (FHD+)

1080x2392 px (FHD+)

Brightness

1300 nits

1300 nits

HBM Brightness

1300 nits

Refresh Rate

120 Hz

120 Hz

120 Hz

Aspect Ratio

20:9

20:9

Pixel Density

395 ppi

395 ppi

388 ppi

Screen to Body Ratio (calculated)

85.88 %

85.88 %

87.32 %

Screen Protection

Corning Gorilla Glass v5

Corning Gorilla Glass v5

Bezel-less Display

with punch-hole display

with punch-hole display

with punch-hole display

HDR 10 / HDR+ Support

, HDR 10+

, HDR 10+

, HDR 10+

Screen to Body Ratio (claimed by the brand)

91.4 %

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 163.7 mm
Width: 76.4 mm
Thickness: 7.8 mm

Height: 163.7 mm
Width: 76.4 mm
Thickness: 7.8 mm

Height: 163.52 mm
Width: 77.50 mm
Thickness: 8.35 mm

Weight

196 grams

196 grams

201 grams

Water Resistance

, Splash proof, IP53

, Splash proof, IP64

Ruggedness

Dust proof

Dust proof

Camera
Main Camera
Resolution

48 MP Primary Camera,f/1.79, Wide Angle(26 mm focal length, 1/2" sensor size, IMX582, Exmor-RS CMOS Sensor, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera
5 MP f/2.4, Macro Camera(1/5.0" sensor size, 1.12µm pixel size)

64 MP Primary Camera,f/1.89, Wide Angle(26 mm focal length, 1/1.7" sensor size, IMX686, Exmor-RS CMOS Sensor, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera
5 MP f/2.4, Macro Camera(50 mm focal length, 1/5.0" sensor size, 1.12µm pixel size)

50 MP Primary Camera,f/1.88, Wide Angle (84° field-of-view)(24 mm focal length, 1/1.57" sensor size, S5KGN9, ISO-CELL, 1µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(15 mm focal length, 1/4.0" sensor size, 1.12µm pixel size)50 MP f/2.0, Telephoto Camera(50 mm focal length, 1/2.75" sensor size, 0.64µm pixel size)

Autofocus

, Phase Detection autofocus

OIS

Flash

, LED Flash

, LED Flash

, LED Flash

Image Resolution

8000 x 6000 Pixels

9000 x 7000 Pixels

8150 x 6150 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 30 fps

7680x4320 @ 30 fps
3840x2160 @ 60 fps
1920x1080 @ 120 fps

3840x2160 @ 30 fps
1920x1080 @ 120 fps

Front Camera
Very Good
Very Good
Very Good
Resolution

20 MP f/2.4, Wide Angle, Primary Camera(1/3.4" sensor size, 0.8µm pixel size)

20 MP f/2.4, Wide Angle, Primary Camera(1/3.4" sensor size, 0.8µm pixel size)

32 MP f/2.2, Wide Angle, Primary Camera(22 mm focal length, 1/3.44" sensor size)

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 60 fps

Battery
Very Good
Excellent
Excellent
Capacity

4520 mAh

4520 mAh

5000 mAh

Battery Type

Li-Polymer

Li-Polymer

Li-ion

Quick Charging

, 33W Fast Charging, 100% in 52 minutes

, 33W Fast Charging, 100% in 52 minutes

, 50W Fast Charging, 50% in 19 minutes

Storage
Internal Storage

128 GB

128 GB

128 GB / 256 GB

Storage Type

UFS 3.1

UFS 3.1

UFS 2.2

External Storage

No

No

No

Network & Connectivity
SIM Slot(s)

Dual SIM

Dual SIM

Dual SIM

SIM Type

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano

Network Support

5G, 4G

5G, 4G

5G, 4G

VoLTE

SIM 1

5G Bands:
FDD N1 / N3 / N28
TDD N41 / N77 / N78
4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

5G Bands:
FDD N1 / N3 / N28
TDD N41 / N77 / N78
4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N28
TDD N38 / N40 / N41 / N48 / N66 / N77 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
Read More..

SIM 2

4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N28
TDD N38 / N40 / N41 / N48 / N66 / N77 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
Read More..

Wi-Fi

, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz

, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz, MIMO

Wi-Fi Features

Mobile Hotspot

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v5.1

, v5.2

, v5.4

GPS

with A-GPS, Glonass

with A-GPS, Glonass

with A-GPS, Glonass

NFC

Multimedia
Stereo Speakers

Audio Jack

USB Type-C

USB Type-C

USB Type-C

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Side

Side

On-screen

Fingerprint Sensor Type

Optical

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Price list

Not Available
Not Available
Rs. 24,999
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