Tecno Spark 40 Pro Plus vs Redmi 15 5G : The mid-range smartphone war in 2025 is flourishing, with the Tecno Spark 40 Pro Plus and Redmi 15 5G battling for recognition; both offer respective value propositions but target different sets of requirements. Let us try to look into areas concerning design, display, performance, battery, and many more where the two diverge.
Design/Display
The winner stands Tecno Spark 40 Pro+ with almost an expert view-creating display of 6.78 inches 1.5K resolution AMOLED screen, 144Hz refresher rate, and amassing brightness of 4500nits. The slimmest at 6.49mm thick with approximately 160g in weight feels nice to carry and hold.
On the other hand, the 15G version provides a 6.9-inch display of FHD+ standards with IPS LCD technology, also offering a 144Hz refresh rate, though peak brightness is 850 nits. Weighing 217 grams and 8.4 mm thick, it is a bulky beast when it comes to hold.
Tecno wins here with lightweight comfort premium feel and all the brightness in the display.
Performance & Software
The Tecno Spark 40 Pro+ relies on MediaTek Helio G200 processor combined with 8GB of RAM and running Android 15 with its custom HiOS.
On the flip side, the Redmi 15 5G runs on Snapdragon 6s Gen 3 and is also combined with up to 8GB of RAM along with UFS 2.2 storage. It will run on Android 15 on HyperOS 2.0 for 2 years of major updates and 4 years of security support.
Ultimately, the scores favored single-core benchmarking for the Redmi, indicating better performance in heavy tasks after a longer duration.
Battery and Charging
Tecno Spark 40 Pro+ supports 5,200mAh of battery life supporting wired fast charging at the top with 45W, wireless charging at 30W, and reverse wireless charging at 5W.
Whereas, Redmi 15 5G powers a monster battery of 7,000mAh, with 33W fast charging and reverse charging of 18W.
If sustaining an extended battery backup appears to be your major criterion, then indeed Redmi gets that. Coming to speed and versatility for charging laptops, that’s where Tecno takes the crown.
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Camera and Audio
Tecno Spark 40 Pro+ features a rear camera of 50MP, 13MP front dual LED flash, and Dolby Atmos stereo speakers for a 3D multimedia experience.
The Redmi 15 5G has a 50MP main camera but a limited 8MP front camera, along with some smart AI features like AI Eraser, Sky Replacement, and Circle to Search with Gemini integration.
So, here Tecno excelled with superior selfies and audio quality while Redmi cabbed all the AI camera tricks.
Durability and Other Features
Both these smartphones come with IP64 water and dust resistance ratings, NFC support, and an IR blaster as standard. For Tecno, it has an under-display fingerprint sensor, while Redmi uses a side-mounted one.
Tecno further provides wireless charging, which is pretty rare in this segment and thus gives an added advantage over others.
Which One Would Be Your Choice?
The Tecno Spark 40 Pro+ would be a good option based on sleek design, premium display, good audio, and fast charging.
If you want the least fuss over battery drama-drain, a tad brighter performance, some future gazing toward software, and an AI edge, consider the Redmi 15 5G.
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Though they are equally admirable mid-range smartphones, the Tecno is for style and trendy features, while the Redmi is for heavy-duty work and long-lasting battery.