Oppo K15s and Oppo K15x: launch of smartphones with powerful batteries

Oppo K15s and Oppo K15x – similar, yet different

Two additional models have joined the Oppo K15 family trio: the Oppo K15s and the Oppo K15x—though they are positioned slightly lower in the lineup. They share many traits, yet differ in significant ways. What do they offer?

The Oppo K15s and Oppo K15x join the previously known Oppo K15, Oppo K15 Pro, and Oppo K15 Pro+ models, rounding out the family at the entry level—specifically, in a slightly lower price segment.

Oppo K15s

The Oppo K15s is the model with the more robust specifications, featuring an 8,000 mAh battery that supports 45W fast charging. The battery is designed to retain at least 80% of its original capacity over more than 2,000 charging cycles, translating to seven years of use. This smartphone features a 6.57-inch AMOLED display with Full HD+ resolution, a 120 Hz refresh rate, a 1000 Hz touch sampling rate, and peak brightness of up to 1400 nits. The screen supports a 1.07-billion-color palette and covers 100% of the DCI-P3 color gamut. At its core lies the MediaTek Dimensity 6360 Max processor, supported by LPDDR4X RAM and UFS 2.2 storage, and cooled by a 4300 mm² vapor chamber. The device is equipped with a 50-megapixel main camera and an 8-megapixel selfie camera. Video recording is supported at Full HD resolution at 60 fps and HD at 120 fps. Other features include NFC, an IR blaster, Dual SIM support, and an optical under-display fingerprint scanner. The casing holds IP69K, IP69, IP68, and IP66 ratings and has passed 15 durability tests under the GJB150A-2009 standard. The smartphone is available in 6+128 GB and 8+256 GB memory configurations, priced at 1,699 and 1,999 yuan, respectively—equivalent to approximately 250–295 USD.

Oppo K15s
photo: Oppo

6.57" AMOLED 1080 x 2372 px
Aspect ratio: 19.8:9
159.08 x 75.81 x 8.80 mm 205.00 g
50 Mpx Front: 8 Mpx
Si-Car 8000 mAh Quick battery charging
6 GB, 8 GB
128 GB, 256 GB
MediaTek Dimensity 6360
3Q 2026
(this month)
909.09 C2T Battery capacity to thickness ratio
87.10% Screen-to-body ratio

Oppo K15x

The Oppo K15x is a distinctly budget-friendly model featuring a 6.75-inch LCD screen with HD+ resolution and brightness up to 1125 nits; it offers a 120 Hz refresh rate and a touch sampling rate of up to 240 Hz. The device is powered by the MediaTek Dimensity 6300 processor, supported by LPDDR4X RAM and UFS 2.2 storage. The Oppo K15x is equipped with a 6500 mAh battery and supports 45 W charging. The phone features a 13-megapixel rear camera and a 5-megapixel front camera (both with an f/2.2 aperture); it lacks NFC but includes a headphone jack and a traditional side-mounted fingerprint scanner. The casing holds an IP64 rating, and in China, the smartphone is available in 6+128 GB or 6+256 GB configurations, priced at 1399 and 1699 yuan (approximately 210–250 USD), respectively.