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Xiaomi Redmi K40S#580

Released: 2022, March 17

Xiaomi Redmi K40S

Overall Score

74.1

Category Breakdown

Overall(#580)74.1
Performance(#693)90.5
Camera(#746)85.7
Display(#594)93.2
Battery(#2898)30.6
Build(#1587)73.7
Connectivity(#706)83.9
Audio(#115)87.6

Comparisons Featuring Xiaomi Redmi K40S

Oneplus 9rt 5g|Oneplus 8t|Oneplus 9r|Tecno Camon 30 5g|Vivo Iqoo Z9|Xiaomi Redmi Note 12 Pro|Samsung Galaxy A36|Vivo T3|Samsung Galaxy A56|Nothing Phone 2a|Oppo Reno5 Pro 5g|Oneplus 10r 150w|Xiaomi Mi 10 Ultra|Xiaomi Black Shark 3|Xiaomi Black Shark 3 Pro

Short Review

  • The Xiaomi Redmi K40S features a sleek design with dimensions of 163.2 x 76 x 7.7 mm and a weight of 195g, utilizing Gorilla Glass 5 on the front and a plastic back.
  • Its 6.67-inch AMOLED display boasts a 120Hz refresh rate and HDR10+ support, delivering vibrant visuals at a resolution of 1080 x 2400 pixels.
  • Powered by the Qualcomm Snapdragon 870 chipset, it offers robust performance with an octa-core CPU and options for up to 12GB of RAM.
  • The camera system includes a 48 MP main sensor with OIS, an 8 MP ultrawide lens, and a 2 MP macro lens, capable of recording 4K video at 30fps.
  • The 4500mAh battery supports fast charging at 67W, ensuring quick power replenishment.
  • Running on Android 12 with MIUI 13, the software experience is smooth and user-friendly.
  • Connectivity options include 5G support, Wi-Fi 6, Bluetooth 5.2, and NFC.
  • The device features stereo speakers for enhanced audio quality but lacks a headphone jack.
  • Available in multiple colors, the Redmi K40S combines style and functionality effectively.
  • Overall, it is a well-rounded smartphone suitable for various user needs.

Specifications

General

Release Date2022, March 17
Announced2022, March 17
DescriptionN/A

Display

Size6.67"
TypeAMOLED, 120Hz, HDR10+, 1300 nits (peak)
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
PPI1080
Refresh Rate120Hz
HDR Support✓
ProtectionCorning Gorilla Glass 5

Performance

ChipsetQualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPUOcta-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPUAdreno 650
Memory128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Expandable Storage✗
Card SlotNo

Camera

Main Camera48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS8 MP, 119˚ (ultrawide)2 MP, f/2.4, (macro)
Main Camera FeaturesColor spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Front Camera20 MP, (wide)
Front Camera FeaturesN/A
Video Recording4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Selfie Video1080p@30/120fps
Optical Stabilization✓
Night Mode✗
Raw Photo Support✗

Battery

Capacity4500 mAh
Battery DetailsLi-Po 4500 mAh
Charging Details67W wired, PD3.0, QC3, 100% in 38 min
Fast Charging✗
Wireless Charging✗

Build & Safety

Dimensions163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)
Weight195 g
MaterialsGlass front (Gorilla Glass 5), plastic back
ColorsBlack, Gray, Blue, Green
Foldable✗
SARN/A

Connectivity

SIMNano-SIM + Nano-SIM
NetworkGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network SpeedHSPA, LTE, 5G
5G✓
4G✓
WiFiWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth5.2, A2DP, LE
NFC✓
USBUSB Type-C 2.0, OTG
IR Blaster✗
Headphone Jack✗
Radio✗
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)

Audio

Stereo Speakers✓
LoudspeakerYes, with stereo speakers
Audio JackNo

Software & Security

Operating SystemAndroid 12, MIUI 13
Fingerprint✓
Face Unlock✗
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass