OPPO has launched the OPPO K9 5G smartphone in China. The phone comes as the successor to last year’s OPPO K7 5G phone. It is the first K-series phone from the brand to have a high refresh rate display. The smartphone boasts other exciting features like a powerful midrange chipset with 5G support, a large-sized battery with fast charging capabilities, and a 64-megapixel quad-camera system.

OPPO K9 5G launched

The OPPO K9 5G is built around a 6.43-inch AMOLED screen with a punch-hole design. It delivers a Full HD+ resolution of 1080 x 2400 pixels, a 20:9 aspect ratio, a 90Hz refresh rate, and a 180Hz touch sampling rate. OPPO claims that the screen of the K9 5G is integrated with a sixth-generation in-screen fingerprint reader.

The Snapdragon 768G chipset powers the OPPO K9 5G with 8GB of LPDDR4x RAM. The device comes with up to 256GB of native storage and it lacks support for a microSD card slot. It boots to ColorOS 11.1 based Android 11 OS.

OPPO K9 5G specs

On the front side of the OPPO K9 5G is a 32-megapixel selfie camera. The quad-camera system on the backside of the phone has a 64-megapixel primary lens, an 8-megapixel ultrawide lens with a 119-degree FOV, and a 2-megapixel macro lens.


OPPO K9 5G cameras

The OPPO K9 5G has a 4,300mAh battery that offers 65W rapid charging. According to OPPO, the handset can fully charge in just 35 minutes using the 65W fast charger. For a smoother gaming experience, the phone ships with VC liquid-cooled heat sink, copper plate, and multi-layer thermal conductive graphite sheet for heat dissipation. The K9 5G offers users other features like a dual SIM slot, 5G, Wi-Fi 802.11ac, Bluetooth 5.1, GPS, USB-C, and a 3.5mm audio jack.


OPPO K9 5G Specifications

Network Properties

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


  • Announced: 2021, May 06
  • Status: Exp. release 2021, May 11


  • Dimensions: 159.1 x 73.4 x 7.9 mm (6.26 x 2.89 x 0.31 in)
  • Weight: 172 g (6.07 oz)
  • Colors: Black, Aurora
  • SIM: Dual SIM (Nano-SIM, dual stand-by)


  • Type: Super AMOLED, 90Hz, 430 nits (typ), 750 nits (peak)
  • Size: 6.43 inches, 99.8 cm2 (~85.5% screen-to-body ratio)
  • Resolution: 1080 x 2400 pixels, 20:9 ratio (~409 ppi density)

Operating System

  • Android 11, ColorOS 11.1


  • Chipset: Qualcomm SM7250-AC Snapdragon 768G 5G (7 nm)
  • CPU: Octa-core (1×2.8 GHz Kryo 475 Prime & 1×2.4 GHz Kryo 475 Gold & 6×1.8 GHz Kryo 475 Silver)
  • GPU: Adreno 620
  • Storage: 128GB 8GB RAM, 256GB 8GB RAM
  • Memory Card slot: No



  • Radio: No
  • Loudspeaker: Yes
  • Audio 3.5mm jack: Yes


  • WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
  • Bluetooth: 5.0, A2DP, LE, aptX HD
  • NFC: No
  • USB: USB Type-C 2.0, USB On-The-Go


  • Sensors: Fingerprint (under display, optical), accelerometer, gyro, proximity, compass


  • Battery Type and Capacity: Li-Po 4300 mAh, non-removable
  • Charging: Fast charging 65W, 100% in 35 min (advertised)

Models: PEXM00

OPPO K9 5G Price and Availability

OPPO K9 5G in colors

The OPPO K9 5G comes in two colors like Spades K (black) and Wings of Symphony (blue gradient). It is priced at;

  • 1,999 Yuan (~$309) for the 8 GB RAM + 128 GB storage version 
  • 2,199 Yuan (~$339) for the 8 GB RAM + 256 GB storage variant
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