This is a side-by-side smartphone specs comparison of the Samsung Galaxy S21 5G and Redmi 15 5G.
The Samsung Galaxy S21 5G has a 6.2-inch display, Samsung Exynos 2100 processor, triple cameras, 5G connectivity, and 4000mAh battery.
Meanwhile, the Redmi 15 5G has a 6.9-inch display, Qualcomm Snapdragon 6s Gen 3 (6 nm) processor, dual cameras, 5G connectivity, and 7000mAh battery.
| Specs | Samsung Galaxy S21 5G | Redmi 15 5G |
|---|---|---|
| Picture |
★★★★★ 3.4/5 stars (148 ratings)
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★★★★★ 3.1/5 stars (105 ratings)
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| Screen | 6.2-inch FHD+ Dynamic AMOLED 2X Display (1080 x 2400 Pixels 421 ppi) with Corning Gorilla Glass Victus, 20:9 Aspect Ratio, 120Hz Refresh Rate, HDR10+ & Punch-hole | 6.9-inch FHD+ IPS LCD Display (1080 x 2340 Pixels, 374 ppi) with up to 144Hz Refresh Rate (supported apps only), 700nits typical brightness, 850nits HBM, and punch-hole |
| OS | Android 11 with One UI 3.1 | Android 15 with Xiaomi HyperOS 2 |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 6s Gen 3 (6 nm) |
| CPU | Octa Core CPU 1x Cortex-X1 @ 2.9GHz , 3x Cortex-A78 @ 2.8GHz & 4x Cortex-A55 @ 2.2GHz |
Octa Core CPU 2x Cortex-A78 @ 2.3GHz & 6x Cortex-A55 @ 2.0GHz |
| GPU | Mali-G78 MP14 | Adreno 619 |
| RAM | 8 GB | 4 GB |
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| Rear Camera | Triple Cameras: 12MP Main Camera (f/1.8 Aperture, Dual Pixel Autofocus, OIS) 12MP Ultra-wide (f/2.2 Aperture, 120° FoV) 64MP Telephoto (f/2.0 Aperture, PD Autofocus, 3x Optical Zoom) -LED Flash -8K@24fps/4K@60fps Video Recording, Night Mode & 30x Space Zoom |
Dual Cameras: 50MP Main Camera (f/1.8 aperture, Autofocus) Auxiliary lens -LED Flash -Up to 1080p@30fps video recording |
| Front Camera |
10 Megapixels (f/2.2 Aperture, Dual Pixel Autofocus) - 4K@60fps Video Recording |
8 Megapixels (f/2.0 aperture) - Up to 1080p@30fps video recording |
| Storage | 256GB | 128GB |
| Expansion | None | 2TB via microSD |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 802.11 b/g/n/ac (dual band) |
| NFC | Yes | No |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 |
| Infrared | Yes | |
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| Position | A-GPS, GLONASS, Galileo & BeiDou | GPS, GLONASS, GALILEO, BeiDou |
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | No | No |
| Audio Enhancement | Hi-Res Audio Tuned by AKG | Dolby Atmos |
| FM Radio | No | No |
| Sensors |
Face Recognition & Fingerprint Sensor Barometer, Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
| Battery | 4000 mAh Li-Po Battery (Non-removable) 25W Fast Charging, 15W Fast Wireless Charging & 4.5W Reverse Wireless Charging |
7000 mAh (Non-removable) 33W Fast Charging (charger sold separately) 18W reverse charging |
| Material | Glass Front, Plastic Back and Aluminum Frame (IP68 Water & Dust Resistant) | Glass front, Plastic back (IP64 dust & splash resistance) |
| Size | 71.2 x 151.7 x 7.9 mm | 169.48 x 80.45 x 8.4 mm |
| Weight | 169 g | 217 g |
| Colors | Phantom Gray and Phantom Violet | Midnight Black, Titan Gray, Ripple Green |
| Release Date | January 14, 2021 | September 30, 2025 |
| Price | ₱47,990.00 - Official Price in the Philippines | ₱7,999.00 - Official Price in the Philippines |
| Buy Online |
Samsung Galaxy S21 5G on Lazada Samsung Galaxy S21 5G on Shopee |
Redmi 15 5G on Lazada Redmi 15 5G on Shopee |
