Redmi K40S with Snapdragon 870 launched: Specs & Price

Alongside the K50 series, Xiaomi also announced the Redmi K40S in China. The K40S is a sibling to the Redmi K40 that was launched last year. The K40 was a popular device with its cumulative sales volume put at over 10 million units. The wide popularity of the K40 may have triggered the need for the company to add the K40S to the lineup despite moving on to the K50 series.

Redmi K40S launched

While retaining the strengths of the K40, the Redmi K40S improves on the design and features with several enhancements. One aspect that got upgraded is the cooling system. The Redmi K40S utilises a 3112 square mm VC liquid-cooled heat dissipation system instead of the liquid- cooled copper tube used on the K40. The new cooling area is increased by 400%. As a result of the enhanced cooling system, the new model supports the 120-frame mode of multiplayer online battle arena (MOBA) games.

Another aspect where the K40S is upgraded is in the charging technology. The K40 supports 67W fast charging twice more than the 33W fast charging onboard the Redmi K40. Thus, the charging time is shortened from 52 minutes to 38 minutes.

The Redmi K40S also features an upgraded camera system. Despite packing a Sony IMX582 48-megapixel main camera just like its predecessor, the main camera comes with optical image stabilization (OIS) which brings stability during photo and video recording while on the move. The main camera teams up with an 8-megapixel ultra-wide-angle and a 2-megapixel macro lens.

Redmi K40S cameras

Finally, the Redmi K40 comes with some enhancements in its design. The device ditches the curved edge design of its predecessor for a trendy small vertical edge design, which is tougher and sharp. It comes in slightly lighter and thinner at 195 gram and 7.7 mm thickness.

In other aspects, the Redmi K40S is powered by a Qualcomm Snapdragon 870 chipset paired with 6/8/12GB LPDDR5 memory and 128/256GB UFS 3.1 flash memory. The phone sports a 6.67-inch Samsung E4 AMOLED straight screen with an FHD+ resolution and support for a 120Hz refresh rate. It crams a 4500mAh battery under the hood.

Redmi K40S specs

The Redmi K40S comes with a side fingerprint recognition and a 20-megapixel selfie camera. You also get Wi-Fi 6, Dolby Atmos support, X-axis linear motor, NFC, infrared remote control, and more.

Redmi K40S

Redmi K40S Specifications

Network Properties

  • 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, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
  • 5G bands: 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
  • Speed: HSPA 42.2/5.76 Mbps, LTE-A, 5G

Launch

  • Announced: 2022, March 17
  • Status: Available. Released 2022, March 17

Design

  • Dimensions: 163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)
  • Weight: 195 g (6.88 oz)
  • Build: Glass front (Gorilla Glass 5), plastic back
  • Colors: Black, Gray, Blue, Green
  • SIM: Dual SIM (Nano-SIM, dual stand-by)
  • Splash resistant

Display

  • Type: AMOLED, 120Hz, HDR10+, 1300 nits (peak)
  • Size: 6.67 inches, 107.4 cm2 (~86.6% screen-to-body ratio)
  • Resolution: 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
  • Protection: Corning Gorilla Glass 5

Operating System

  • Android 12, MIUI 13

Hardware

  • Chipset: Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
  • CPU: Octa-core (1×3.2 GHz Kryo 585 & 3×2.42 GHz Kryo 585 & 4×1.80 GHz Kryo 585)
  • GPU: Adreno 650
  • Storage: 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  • Memory Card slot: No
  • UFS 3.1

Cameras

  • Main Camera: Triple
    • 48 MP, f/1.8, (wide), 1/2″, 0.8µm, PDAF, OIS
    • 8 MP, 119˚ (ultrawide)
    • 2 MP, f/2.4, (macro)
  • Features: Dual-LED dual-tone flash, HDR, panorama
  • Video: 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
  • Selfie Camera: Single – 20 MP, (wide)
  • Video: 1080p@30/120fps

Multimedia

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

Connectivity

  • WLAN: Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
  • Bluetooth: 5.2, A2DP, LE
  • GPS: Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC
  • NFC: Yes
  • USB: USB Type-C 2.0, USB On-The-Go

Features

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

Battery

  • Battery Type and Capacity: Li-Po 4500 mAh, non-removable
  • Charging: Fast charging 67W, 100% in 38 min (advertised)
  • Power Delivery 3.0
  • Quick Charge 3+

Redmi K40S Price and Availability

Redmi K40S in colors

As for the price, the Redmi K40S is slightly higher than the price of the K40. It starts at 1799 yuan (~$283) for the 6+128GB variant. Others are;

  • 8+128GB 1999 yuan (~$315)
  • 8+256GB 2199 yuan (~$346)
  • 12+256GB 2399 yuan (~$378)

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