Xiaomi Redmi K40 Specifications and Price in USD

Expected Price: $336

Main Features:

Brand: XIAOMI , Mobile Gadgets
6.67″ display
Snapdragon 870 5G chipset
4520 mAh battery
256 GB storage
12 GB RAM
Corning Gorilla Glass 5

Price of Xiaomi Redmi K40 as of Feb 2026 starts from $336

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Overview: The Xiaomi Redmi K40 is a mid-range smartphone that offers an impressive combination of performance, display quality, and camera capabilities. Powered by the Snapdragon 870 5G chipset, this device delivers smooth and lag-free performance, ideal for multitasking and gaming. The 6.67-inch display with a high resolution of 2400 x 1080 pixels provides a stunning visual experience with vibrant colors and sharp details. The 48MP camera captures detailed photos, ensuring you never miss a moment. With its competitive price tag, the Redmi K40 offers excellent value for money. It's definitely a device worth considering for those seeking a powerful and feature-packed smartphone without breaking the bank.

Comprehensive Xiaomi Redmi K40 Review

Network
Technology: GSM / CDMA / HSPA / CDMA2000 / LTE / 5G

Launch
Announced: 2021, February 25
Status: Available. Released 2021, March 04

Body
Dimensions: 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
Weight: 196 g (6.91 oz)
SIM: Dual SIM (Nano-SIM, dual stand-by)

Display
Type: Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Size: 6.67 inches, 107.4 cm² (~85.9% screen-to-body ratio)
Resolution: 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection: Corning Gorilla Glass 5

Platform
OS: Android 11, MIUI 12
Chipset: Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU: Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU: Adreno 650

Memory
Card slot - No
Internal: 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
- : UFS 3.1

Main Camera
Triple: 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
Features: LED flash, HDR, panorama
Video: 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS

Selfie camera
Single: 20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Features: HDR
Video: 1080p@30fps, 720p@120fps

Sound
Loudspeaker : Yes, with stereo speakers
3.5mm jack : No
- : 24-bit/192kHz Hi-Res audio

Comms
WLAN: Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth: 5.1, A2DP, LE
Positioning: GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
NFC: Yes
Infrared port: Yes
Radio: No
USB: USB Type-C 2.0, OTG