Xiaomi Redmi Note 15 5G review: a masterclass in budget phone design and value

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In the $300 budget phone segment, there are a couple of familiar choices, such as Samsung’s Galaxy A3x lineup and Motorola’s Moto G Power series.

There is also a third option that is not officially sold in the US, yet delivers strong performance. That phone is the new Xiaomi Redmi Note 15 5G, one of five devices in Xiaomi’s 2026 Redmi Note lineup. Pricing starts at around 250 euros for the 128GB version and goes up to about 300 euros for the 256GB model. It is already fairly affordable, and based on past trends, discounts are likely to follow. 

So what does it offer, and can it really compete with the Galaxy A36 5G?

Table of Contents:

Redmi Note 15 5G Specs

Let’s start with an overview of the Redmi Note 15 5G specs:


Samsung Galaxy A36 5G

Xiaomi Redmi Note 15 5G Samsung Galaxy A36 5G
Dimensions
164 x 75.4 x 7.4 mm 162.9 x 78.2 x 7.4 mm (~8.7 mm with camera bump)
Weight
178.0 g 195.0 g
Size
6.8-inch 6.7-inch
Type
AMOLED, 120Hz Super AMOLED, 120Hz
System chip
Snapdragon 6 Gen 3 SM6475-AB (4 nm) Snapdragon 6 Gen 3 (4 nm)
Memory
6GB/128GB (UFS 2.2)
8GB/256GB
8GB/512GB
12GB/512GB
6GB (LPDDR4)/128GB (UFS 2.2)
8GB/128GB
8GB/256GB
12GB/256GB
Type
5520 mAh 5000 mAh
Charge speed
Wired: 45.0W

Wired: 45.0W

Main camera
108 MP (OIS, PDAF)
Aperture size: F1.7
Sensor size: 1/1.67″
Pixel size: 0.64 μm
50 MP (OIS, PDAF)
Aperture size: F1.8
Sensor size: 1/1.96″
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 16 mm
Sensor size: 1/4″
Pixel size: 1.12 μm

8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4″
Pixel size: 1.12 μm

Third camera
5 MP (Macro)
Aperture size: F2.4
Front
20 MP 12 MP
See the full

Xiaomi Redmi Note 15 5G vs Samsung Galaxy A36 5G specs comparison

or compare them to other phones using our
Phone Comparison tool

Redmi Note 15 5G Design and Display

Gorgeous slim design
Right off the bat, this Redmi makes a great first impression. Sure, the back is plastic, but the phone is impressively thin, and the tapered sides make it look even sleeker in the hand.At just 7.4 mm thick, it’s the slimmest phone in the new Redmi lineup, and it honestly gives off strong iPhone Air vibes at a fraction of the price. You also get IP65-rated dust and water resistance, which is perfectly respectable for this class. And despite packing a large display, the phone feels incredibly light at just 178 grams, which is seriously impressive.

In the box, you can find a 45W charger, which is great to have as most phones these days don’t include the charger. You also get a charging cable, SIM tool and user manuals.

On the display side, you get a 6.8-inch AMOLED screen. It’s not just large, it also features a smooth 120Hz refresh rate, and the slim bezels give it a modern, polished look that feels even sleeker than the Galaxy A36

I should also point out that the Moto G Power, priced similarly, still uses an older LCD panel.

There is an optical fingerprint scanner embedded in the screen, it’s way at the bottom of the phone. It worked quite fast and reliably, though, so no big issues there.

Redmi Note 15 5G Camera

Decent, not great

The Redmi Note 15 5G has a dual-camera setup on the back: a 108MP main camera with a 24mm f/1.7 lens, and an 8MP ultra-wide camera with a 16mm f/2.2 lens. 

The main camera clearly outshines the ultra-wide. By default, the main cam shoots 12MP photos, but you can switch to Ultra HD mode to use the full 108MP, which produces larger files of roughly 8–10MB, compared to around 3MB for the standard shots.

The ultra-wide struggles with detail compared to the main camera and tends to get noticeably noisy.

Photos look quite decent with pleasing colors and no particular issues with oversharpening or troubles with exposure.

Video Quality

Video Thumbnail


As with most budget phones, the biggest compromise is video. This Redmi can record 4K footage, but there’s no proper stabilization, making the video very shaky and borderline unusable. 

I’d recommend sticking to 1080p, where stabilization is at least acceptable. Even then, you’re limited to 30 frames per second — no 60fps option, which is a bit disappointing.

Redmi Note 15 5G Performance & Benchmarks

[SUBHEADING]

We also have to talk about the performance here. The Redmi Note 15 5G comes with a Qualcomm Snapdragon 6 Gen 3 chip and a solid 8GB of RAM. In daily life that feels sufficient, with no major hiccups, but if you push the phone, it does take an extra beat.

CPU Performance Benchmarks:

The Xiaomi gets very good numbers in benchmarks. Despite being much cheaper than the Galaxy A36 5G, its CPU performance is practically identical, only slightly behind in multi-core CPU performance.

GPU Performance

And similar story with gaming and graphics performance. Results from the 3D Mark Wildlife Extreme test reveal that the Xiaomi and the pricier Galaxy are neck in neck.

The Xiaomi also supports microSD card storage, which is a nice option.

Redmi Note 15 5G Software

It runs HyperOS 2.0 on top of Android 15, and Xiaomi has already confirmed an upgrade to HyperOS 3.0 with Android 16.

Redmi promises four major OS upgrades over the lifetime of this phone.

Redmi Note 15 5G Battery

Very good battery life for the size

The big advantage of Redmi phones over rivals is their bigger battery. Despite the super slim profile, the Note 15 5G still has a quite spacious 5,520 mAh battery, larger than the 5,000 mAh battery on Samsung phones. 

If you want a bigger battery, the other Redmi Note 15 phones all have battery size of more than 6,000 mAh, but they are a tiny bit thicker.

PhoneArena Battery Test Results:

On our in-house battery tests, the phone scored quite well, beating the thicker Galaxy in YouTube video streaming by a few hours, an impressive advantage.

Charging is officially rated at 45 watts, which is again much better than the 25 watt speeds on Samsung phones. Keep in mind, though, that charging speeds drop significantly if you use the phone while charging.

There is no wireless charging on board, but that’s expected at the price.

Redmi Note 15 5G Audio Quality and Haptics

Audio quality on this phone is just okay, but the slimmer profile takes a bit of a toll here and lower frequencies are barely present. That’s a common issue on budget phones, though.


That said, the vibration feedback gives away its budget roots, lacking the tight, precise feel you get on pricier phones.

Should you buy it?

The Redmi Note 15 5G is an affordable phone that looks great, feels slim, and delivers surprisingly strong battery life. Its camera quality is solid for the price, but 4K video suffers from poor stabilization and isn’t very usable, which is the main downside. Performance, on the other hand, exceeds expectations.

If camera quality is your top priority, the Galaxy A36 5G might be a better choice, but it’s a pricier phone. Still, the Redmi clearly outperforms the Moto G Power in most areas, so it’s one of the top contenders in its class.


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