Xiaomi Redmi Note 15 Pro 4G Review Lands 7 Months Late at $259.50

Q: Is the Redmi Note 15 Pro's advanced battery a clever disguise for its outdated processor and limited AI capabilities?

No. The Redmi Note 15 Pro 4G’s silicon-carbon battery is a real strength, but it does not hide the fact that the phone is built around a weaker platform than its 5G sibling. The battery technology is genuinely modern. The Si/C pack allows higher capacity in a similar size and supports 45W charging, which is solid for this price tier. That matters because battery life remains one of the biggest reasons people upgrade phones. But strong endurance is not the same as overall technical leadership. The main compromise is the MediaTek Helio G200 Ultra. It is a 4G-only, lower-end chip with older CPU and GPU cores, LPDDR4X memory support and UFS 2.2 storage support. In practical terms, that means lower performance headroom, weaker gaming, and a clear ceiling on advanced on-device AI. Even with 12GB of RAM, the chipset is not in the class of newer mid-range processors that can run more demanding local AI features such as Gemini Nano-level workloads. The camera system shows that limitation clearly. While the hardware may look competitive on paper, the chip restricts video recording to 1080p. The display also trails the 5G model, with lower resolution and no HDR support. So the battery is not a “disguise”; it is one of the phone’s few standout advantages. Buyers should view the Redmi Note 15 Pro 4G as a value device with excellent battery tech, useful extras like microSD expansion, and clear trade-offs in processing power, multimedia capability and future-facing AI features.

3 articles · Updated · GSMArena.com · Jul 21

$259.50 Redmi Note 15 Pro 4G review was finally published after the article sat in drafts for five months, covering a phone that launched seven months ago.
4G-only positioning sets it clearly below the Redmi Note 15 Pro 5G, with a MediaTek Helio G200 Ultra chip, weaker durability and 1080p video limits due to chipset constraints.
120Hz 12-bit AMOLED, a near-matching battery and 45W charging keep much of the spec sheet close to the 5G model, though the screen is smaller, lower-resolution and lacks HDR.
A microSD slot gives the 4G model one advantage over its 5G sibling, while the box still includes a case, cable and 45W charger outside EU markets.