Gionee K3 comes loaded with a 6.2-inch HD+ In-Cell display with a screen resolution of 1520 x 720 pixels and a waterdrop notch design. The phone is powered by an octa-core MediaTek 6763 chipset along with 4GB/6GB of RAM and 64GB/128GB of internal storage. The memory can be further expanded up to 64GB via microSD card slot. On the camera front, the phone is backed by a dual-camera setup, which comes with a combination of 16-megapixel primary lens with f/2.0 aperture and a 2-megapixel depth sensor. For the front, it is loaded with an 8-megapixel selfie shooter.
The Gionee K3 is backed by a 5000mAh battery and runs on Android 8.1 based on Smart OS. It is backed by a fingerprint sensor and face unlock feature as well. On the connectivity front, it supports 4G VoLTE, Bluetooth 4.2, WiFi 802.11 b/g/n, GPS, GLONASS,3.5mm audio jack, dual-SIM and micro USB port. The Gionee K3 measures 157.7×75.6×9.4mm and weigh 188 grams.