Realme 15x 5G (8GB RAM + 128GB) Review: Dimensity 6300 performance & 7000mAh battery

Realme has expanded its lineup with the Realme 15x 5G (8GB RAM + 128GB), a phone built around a 7000mAh battery that simply refuses to quit — this phone is built for heavy users who hate carrying chargers around. Designed for heavy users, everyday use, it brings 5G connectivity, a large 7000mAh battery, a smooth 144Hz display, and the Dimensity 6300 chipset into one well-rounded package.

The phone sits at ₹25,999 in the Indian market. It doesn't try to compete with premium flagships — instead it focuses on delivering a balanced everyday experience, and in that mission it largely succeeds.

Design & Build Quality

At 212g, the Realme 15x 5G (8GB RAM + 128GB) feels noticeably heavy in the hand — the price you pay for that large battery inside to hold. With an IP69 rating, it offers real protection against dust and splashes for everyday use. A side-mounted fingerprint sensor unlocks the phone quickly and reliably. Storage can be expanded via microSD, which media-heavy users will appreciate.

Design Rating: 7.3/10

Display

The phone features a 6.81-inch IPS panel with a 144Hz refresh rate and 720x1570 resolution. Scrolling through apps, social media and websites feels noticeably smoother than standard 60Hz displays. With 1200 nits of peak brightness, it stays perfectly readable even outdoors. The ~394 PPI density keeps text sharp and crisp. It's a capable panel for everyday content, though not as vibrant as AMOLED rivals.

Display Rating: 7.8/10

Performance

Powering the Realme 15x 5G (8GB RAM + 128GB) is the Mediatek Dimensity 6300 paired with 8GB RAM and 128GB of storage. Daily tasks such as browsing, video streaming, online classes, messaging and social media all run smoothly. and overall it delivers dependable everyday performance.

It runs Android v15 with Realme UI 6 on top out of the box. The interface is clean, well-optimised and easy to live with day to day.

Performance Rating: 7.8/10

Camera Performance

The Realme 15x 5G (8GB RAM + 128GB) comes with a 50MP main camera along with additional sensors for depth and wide-angle shots. In daylight, the primary camera captures detailed photos with natural colours and good dynamic range. The Sony IMX852 sensor helps keep low-light shots usable. Video recording is limited to 1080p, which is acceptable for social media and OTT sharing.

Camera Rating: 5.8/10

Battery Life

Battery life is one of the biggest strengths of the Realme 15x 5G (8GB RAM + 128GB). The 7000mAh battery easily lasts one and a half to two days with normal usage — browsing, streaming and calling without battery anxiety. The 60W fast charging tops it up quickly whenever you do need to charge. It can even reverse-charge your earbuds or smartwatch in a pinch.

Battery Rating: 9.2/10

Software Experience

The phone ships with Android v15 and Realme UI 6 on top. It comes with the usual preloaded apps, most of which can be disabled. For everyday use the software feels smooth and stable, and it stays that way over the long term.

Software Rating: 8.3/10

Should You Buy the Realme 15x 5G (8GB RAM + 128GB)?

If you're looking for a phone for heavy users and everyday use at ₹25,999, the Realme 15x 5G (8GB RAM + 128GB) is a strong option. Dimensity 6300 performance and massive 7000mAh battery are its standout strengths. It's not perfect though — no wireless charging and no 3.5mm headphone jack may bother some buyers. For students, office users and families looking for a dependable device in this budget, it is an easy recommendation.