Xiaomi Redmi K40 specs, comparisons, faq, opinions

Xiaomi Redmi K40
  • Released 2021, March 04 196g, 7.8mm thickness Android 11, MIUI 12 128GB/256GB storage, no card slot
  • Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Adreno 650 Dual SIM (Nano-SIM, dual stand-by) About 436 USD
  • 6.67" 1080x2400 pixels
  • 48MP 2160p
  • 6-12GB RAM Snapdragon 870 5G
  • 4520mAh Li-Po

Xiaomi Redmi K40 overview

Xiaomi Redmi K40 is a smartphone that runs on Android. It was released on 2021, March 04. Xiaomi Redmi K40 has 6.67 inch, Super AMOLED, 120Hz, HDR10+, 1300 nits (peak), a resolution of 1080 x 2400 pixels screen with Corning Gorilla Glass 5. It uses Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) chipset, Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) CPU, Adreno 650 GPU. It supports 2G, 3G, 4G, 5G networks with Dual SIM (Nano-SIM, dual stand-by). Xiaomi Redmi K40 has 48MP Triple main camera, 2MP Single selfie camera. It uses Li-Po 4520 mAh, non-removable battery. The price of Xiaomi Redmi K40 is about 436 USD.

Score the key features of Xiaomi Redmi K40 compared to the other phones on the market:

  • CPU Cores: 95 / 100 points
  • Camera pixels: 100 / 100 points
  • Screen resolution: 81 / 100 points
  • Battery capacity: 93 / 100 points
  • Price: 49 / 100 points

Xiaomi Redmi K40 full specifications

NETWORK

Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1x
4G bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Speed HSPA 42.2/5.76 Mbps, LTE-A, 5G

LAUNCH

Announced 2021, February 25
Status Available

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)
Build Glass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frame
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", 0.8µm, 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 [email protected], [email protected]/60/120/240/960fps, gyro-EIS

SELFIE CAMERA

Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Features HDR
Video [email protected], [email protected]

SOUND

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

COMMUNICATIONS

WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.1, A2DP, LE
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
Infrared port Yes
NFC Yes
Radio No
USB USB Type-C 2.0, USB On-The-Go

FEATURES

Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum

BATTERY

Type Li-Po 4520 mAh, non-removable
Charging Fast charging 33W, 100% in 52 min (advertised) Power Delivery 3.0 Quick Charge 3+

MISCELLANEOUS

Colors Black, White, Aurora
Models M2012K11AC
Price About 436 USD

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