This is a side-by-side specs comparison of the Samsung Galaxy A21s and Redmi Note 15 5G smartphones.
The Samsung Galaxy A21s features a 6.5-inch display, 5,000mAh battery, 15W charging rate, quad-camera setup and Samsung Exynos 850 chipset.
Meanwhile, the Redmi Note 15 5G features a slightly larger 6.77-inch display, 108MP main camera, 5,520mAh battery, 45W fast charging and IP66 dust & water resistance. It is slightly more expensive.
| Specs | Samsung Galaxy A21s | Redmi Note 15 5G |
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| Picture & Ratings |
★★★★★ 3.3/5 stars (247)
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★★★★★ 3.2/5 stars (53)
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| Design and Display | ||
| Display | 6.5-inch HD+ IPS LCD Display (720 x 1600 Pixels 270 ppi) with 20:9 Aspect Ratio and Punch-hole | 6.77-inch FHD+ AMOLED Display (1080 x 2392 Pixels, 260 ppi) with Scratch Resistant Glass, 120Hz Refresh Rate, 3840Hz PWM, 800nits typ. brightness, 3200nits peak and punch-hole |
| Size | 75.3 x 163.7 x 8.9 mm | 164 x 75.42 x 7.4 mm |
| Weight | 192 g | 178 g |
| Build | Glossy Plastic | Glass front, Plastic back |
| Durability | IP66 dust & water resistance | |
| Colors | Black, White, Red and Blue | Black, Glacier Blue, Mist Purple |
| Our pick: |
✔
Redmi Note 15 5G The Redmi Note 15 5G has a larger and sharper display. It also has better build materials and is lighter, thinner, and more durable. |
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| Performance | ||
| Chipset | Samsung Exynos 850 | Qualcomm Snapdragon 6 Gen 3 (4 nm) |
| CPU | Octa Core CPU 4x Cortex-A55 @ 2.0GHz & 4x Cortex-A55 @ 2.0GHz |
Octa Core CPU 4x Cortex-A78 @ 2.4GHz & 4x Cortex-A55 @ 1.8GHz |
| GPU | Mali-G52 | Adreno 710 |
| RAM | 3GB, 4GB or 6GB of RAM | 6GB or 8GB of RAM |
| Storage | 32GB or 64GB | 128GB or 256GB (UFS 2.2) |
| Expansion | 512GB via microSD | 1TB via microSD |
| OS | Android 10 with One UI 2.0 | Android 15 with Xiaomi HyperOS 2 |
| Our pick: |
✔
Redmi Note 15 5G
The Redmi Note 15 5G has better performance and a higher RAM capacity. |
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| Cameras | ||
| Rear Camera | Quad Cameras: 48MP Main Camera (f/2.0 Aperture, PDAF) 8MP Ultra-wide (f/2.2 Aperture, 123° FoV) 2MP Macro (f/2.4 Aperture) 2MP Depth Sensor -LED Flash -1080p Video Recording |
Dual Cameras: 108MP Main Camera (f/1.7 Aperture, Autofocus) 8MP Ultrawide (f/2.2 Aperture) -LED Flash -Up to 4K@30fps video recording |
| Front Camera |
13 Megapixels (f/2.2 Aperture) |
20 Megapixels (f/2.2 Aperture) - Up to 1080p video recording |
| Our pick: |
✔
Redmi Note 15 5G
Redmi Note 15 5G has stronger video capabilities with higher-resolution 4K rear video recording and a wider-aperture main camera. Meanwhile, Samsung Galaxy A21s offers a wider 123° ultrawide camera. |
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| Connectivity | ||
| Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n/ac (dual band) |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| NFC | No | Yes |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 |
| Infrared | Yes | |
| Location | A-GPS, GLONASS & BeiDou | GPS, GLONASS, GALILEO, BeiDou |
| Our pick: |
✔
Redmi Note 15 5G
The Redmi Note 15 5G has better cellular connectivity. |
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| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | Yes | No |
| Audio Enhancement | Dolby Atmos | Hi-Res Audio, Dolby ATMOS, Dual Speakers, Up to 300% speaker volume |
| FM Radio | No | No |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
| Our pick: |
✔
Redmi Note 15 5G
Based on the specs, it has stereo speakers, Hi-Res Audio, and higher maximum volume. |
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| Battery and Charging | ||
| Battery | 5000 mAh Li-Po Battery (Non-removable) | 5520 mAh (Non-removable) |
| Charging | 15W Fast Charging |
45W Fast charging (50% in 25 minutes) 18W Reverse charging |
| Our pick: |
✔
Redmi Note 15 5G
The Redmi Note 15 5G has a larger battery capacity and faster charging. |
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| Price and Availability | ||
| Price | ₱11,990.00 - Official Price in the Philippines | ₱13,999.00 - Official price of 6GB+128GB version in the Philippines ₱14,999.00 - Official price of 8GB+256GB version in the Philippines |
| Release Date | June 25, 2020 | January 15, 2026 |
| Buy Online |
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