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Xiaomi Redmi 15 review: Impressive battery, strong performance
Xiaomi’s latest mid-ranger, the Redmi 15, packs a massive 7000mAh battery and a silky 144Hz display, aiming squarely at users who want endurance without breaking the bank. But while it nails stamina and everyday performance, its cameras and video capabilities leave room for improvement.
1/9
Build and Design
At 169.5 x 80.5 x 8.4 mm and weighing 217g, the Redmi 15 is on the larger side. The IP64 rating is a welcome touch, offering dust protection and splash resistance, though it’s not fully waterproof.
2/9
Display
The 6.9-inch IPS LCD panel runs at 144Hz, making it smooth for scrolling and gaming. Brightness peaks at 850 nits, which is good but falls short of OLED rivals. The 374ppi density ensures decent sharpness.
3/9
Performance
Powered by the Snapdragon 6s Gen 3 (6nm), the device offers a mix of efficiency and mid-tier power. The two Cortex-A78 cores should handle heavier apps, while the six Cortex-A55 cores manage day-to-day tasks. The Adreno 619 GPU is serviceable for casual gaming but won’t wow power users.
4/9
Memory and Storage
With options ranging from 128GB/4GB RAM up to 256GB/8GB RAM, the Redmi 15 covers most needs. The use of UFS 2.2 is slightly dated but acceptable at this price tier. The inclusion of microSD support (shared slot) adds flexibility.
5/9
Software
Running Android 15 with HyperOS 2.2, it benefits from Xiaomi’s latest ecosystem tweaks. Longevity of updates will matter, though Xiaomi’s track record is improving.
6/9
Cameras (Rear)
The main 50MP sensor with PDAF promises sharp shots in good lighting. The auxiliary depth lens doesn’t add much versatility — no ultra-wide or telephoto option limits the camera’s appeal.
7/9
Selfie Camera
An 8MP front-facing shooter is modest in 2025 standards. Good enough for video calls, but social media users may find it underwhelming.
8/9
Battery and Charging
The standout feature: a huge 7000mAh cell paired with 33W charging. Reverse wired charging at 18W is a rare bonus. This phone will easily last two days for most users.
The standout feature: a huge 7000mAh cell paired with 33W charging. Reverse wired charging at 18W is a rare bonus. This phone will easily last two days for most users.
9/9
Verdict
The Redmi 15 is clearly built around stamina, with its 7000mAh battery being the star. It offers a smooth 144Hz display and decent performance for everyday use. However, camera limitations and the lack of 4K recording keep it from being a true all-rounder. Ideal for heavy users prioritising battery life over imaging finesse. Priced at Rs 14,99, this is a formidable offering from Xiaomi.
The Redmi 15 is clearly built around stamina, with its 7000mAh battery being the star. It offers a smooth 144Hz display and decent performance for everyday use. However, camera limitations and the lack of 4K recording keep it from being a true all-rounder. Ideal for heavy users prioritising battery life over imaging finesse. Priced at Rs 14,99, this is a formidable offering from Xiaomi.
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