Xiaomi Redmi K40 vs Xiaomi Redmi Note 15

Should you buy Xiaomi Redmi K40 or Xiaomi Redmi Note 15? Find out which mobile phone is best for you - compare the two models on the basis o...f price and key specs like performance, price, camera, display, ram, storage, battery capacity, operating system, Network Connectivity, Multimedia and more.

SpecificationsXiaomi Redmi K40Xiaomi Redmi Note 15
Price22490.022237.0
Display6.67 inches (16.94 cm)
Battery4520 mAh
Camera48 MP + 8 MP + 5 MP And 20 MP108MP + 8MP + 2MP And 20MP
Operating SystemAndroid v11Android 15
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₹22,490
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15% OFF
Discounted price:₹22,998Original price:₹26,999
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Key Specs

Battery

4520 mAh -

Display

6.67 inches (16.94 cm) -

Front Camera

20 MP -

Processor

Qualcomm Snapdragon 870 -

RAM

6 GB -

Rear Camera

48 MP + 8 MP + 5 MP -

Audio

Audio Jack

- 3.5mm

Battery

Capacity

4520 mAh 5800mAh

Quick Charging

Yes, Fast, 33W: 100 % in 52 minutes 45W fast charging

Removable

No -

Type

Li-Polymer -

USB Type-C

Yes Yes

Camera

Autofocus

Yes -

Camera Features

Digital Zoom Auto Flash Face detection Touch to focus -

Camera Setup

Single -

Flash

Yes, LED Flash Yes

Front Camera

- 20MP

Image Resolution

8000 x 6000 Pixels -

Rear Camera

- 108MP + 8MP + 2MP

Resolution

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

Sensor

IMX582, Exmor-RS CMOS Sensor -

Settings

Exposure compensation, ISO control -

Shooting Modes

Continuous Shooting High Dynamic Range mode (HDR) -

Video Recording

1920x1080 @ 30 fps -

Design

Build Material

- Metal frame finish

Colours

Glossy Black, Icy White, Dreamland -

Height

163.7 mm -

Thickness

7.8 mm -

Water Resistance

- IP66 dust/water resistance

Weight

196 grams Below -

Width

76.4 mm -
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Display

Aspect Ratio

20:9 -

Bezelless Display

Yes with punch-hole display -

Brightness

1300 nits -

Display Type

Super AMOLED AMOLED

HDR 10 / HDR+ support

Yes, HDR 10+ -

Pixel Density

395 ppi -

Refresh Rate

120 Hz 120Hz

Resolution

- 1.5K

Screen Protection

Corning Gorilla Glass v5 -

Screen Size

6.67 inches (16.94 cm) 6.77-inch

Screen to Body Ratio (calculated)

85.88 % -

Touch Screen

Yes, Capacitive Touchscreen, Multi-touch -

General

Also Known As

- Xiaomi Redmi Note 15

Brand

Xiaomi Xiaomi

Custom UI

MIUI HyperOS 2.0

Launch Date

- January 6, 2026

Model

- Redmi Note 15

Operating System

Android v11 Android 15

Multimedia

Audio Jack

USB Type-C -

FM Radio

No -

Fm Radio

No -

Loudspeaker

Yes -

Network & Connectivity

Bluetooth

Yes, v5.1 5.3

GPS

Yes with A-GPS, Glonass Yes

NFC

Yes -

Network Support

5G Supported in India, 4G Supported in India, 3G, 2G 5G

SIM 1

5G Bands: FDD N1 / N3 / N28 TDD N41 / N77 / N78 4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available -

SIM 2

4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available -

SIM Size

SIM1: Nano, SIM2: Nano -

SIM Slot(s)

Dual SIM, GSM+GSM -

USB Connectivity

Mass storage device, USB charging -

Usb Connectivity

Mass storage device, USB charging -

VoLTE

Yes Yes

Volte

Yes -

Wi-Fi

Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz Wi-Fi 6

Wi-Fi Calling

- Yes

Wi-Fi Features

Mobile Hotspot -

Performance

Architecture

64 bit -

CPU

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

Chipset

Qualcomm Snapdragon 870 -

Fabrication

7 nm -

Graphics

Adreno 650 Adreno 710 GPU

Processor

- Snapdragon 6 Gen 3

RAM

- 8GB/12GB

RAM Type

LPDDR5 -

RAM type

LPDDR5 -

Ram

6 GB -

Sensors

Fingerprint Sensor

Yes -

Fingerprint Sensor Position

Side -

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope -

Storage

Expandable Memory

No -

Internal Memory

128 GB 128GB/256GB

Storage Type

UFS 3.1 UFS 2.2

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