Samsung Galaxy S21 5G vs Xiaomi 15: Side by Side Specs Comparison

This is a side-by-side smartphone specs comparison of the Samsung Galaxy S21 5G and Xiaomi 15.

The Samsung Galaxy S21 5G has a 6.2-inch display, Samsung Exynos 2100 processor, triple cameras, 5G connectivity, and 4000mAh battery.

Meanwhile, the Xiaomi 15 has a 6.36-inch display, Qualcomm Snapdragon 8 Elite (3 nm) processor, triple cameras, 5G connectivity, and 5240mAh battery.


Specs Samsung Galaxy S21 5G Xiaomi 15
Picture Samsung Galaxy S21 5G
★★★★★ 3.4/5 stars (146 ratings)
× Xiaomi 15
★★★★★ 5/5 stars (1 ratings)
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 6.36-inch FHD+ AMOLED Display (1200 x 2670 Pixels, 460 ppi) with Xiaomi Shield Glass, 20:9 Aspect Ratio, 120Hz Refresh Rate, 3200nits peak brightness, Dolby Vision, HDR10+, and punch-hole
OS Android 11 with One UI 3.1 Android 15 with Xiaomi HyperOS 2, up to 4 major OS upgrades
Chipset Samsung Exynos 2100 Qualcomm Snapdragon 8 Elite (3 nm)
CPU Octa Core CPU
1x Cortex-X1 @ 2.9GHz , 3x Cortex-A78 @ 2.8GHz & 4x Cortex-A55 @ 2.2GHz 		Octa Core CPU
2x Oryon Pheonix L @ 4.32GHz & 6x Oryon Pheonix M @ 3.53GHz
GPU Mali-G78 MP14 Adreno 830
RAM 8 GB 12 GB
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 		Triple Cameras:
50MP Main Camera (23mm, f/1.62 Aperture, Laser Autofocus, OIS)
50MP Ultrawide (14mm, f/2.2 Aperture, 115° FoV)
50MP Telephoto (60mm, f/2.0 Aperture, Autofocus, OIS, 2.6x Optical Zoom)
-LED Flash
-Up to 8K video recording, LEICA Optics, HDR & Dolby Vision, color spectrum sensor, video stabilization
Front Camera 10 Megapixels (f/2.2 Aperture, Dual Pixel Autofocus)
- 4K@60fps Video Recording
 32 Megapixels (21mm, f/2.0 Aperture)
- Up to 4K video recording, video stabilization
Storage 256GB 256GB or 512GB
Expansion None None
SIM Dual SIM (Nano-SIM) Dual SIM (Nano + eSIM)
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/6/7
NFC Yes Yes
Bluetooth Bluetooth 5.0 Bluetooth 5.4
Infrared Yes
Position A-GPS, GLONASS, Galileo & BeiDou GPS, GLONASS, GALILEO, BeiDou, QZSS
USB OTG Yes Yes with DisplayPort
USB USB Type-C USB Type-C
3.5mm Audio Jack No No
Audio Enhancement Hi-Res Audio Tuned by AKG Hi-Res Audio, Hi-Res Wireless Audio, Dolby ATMOS, Stereo Speakers
FM Radio No No
Sensors Face Recognition & Fingerprint Sensor
Barometer, Proximity Sensor & Ambient Light Sensor
Compass, Gyroscope & Accelerometer 		Face Recognition & Fingerprint Sensor
Barometer, Proximity Sensor & Ambient Light Sensor
Compass, Gyroscope & Accelerometer
Battery 4000 mAh Li-Po Battery (Non-removable)
25W Fast Charging, 15W Fast Wireless Charging & 4.5W Reverse Wireless Charging 		5240 mAh Si/C Battery (Non-removable)
90W Fast Charging (HyperCharge, QC3+, PD3.0)
50W Fast Wireless Charging
Material Glass Front, Plastic Back and Aluminum Frame (IP68 Water & Dust Resistant) Glass front and back, Aluminum Alloy frame (IP68 dust & water resistance)
Size 71.2 x 151.7 x 7.9 mm 152.3 x 71.2 x 8.08 mm
Weight 169 g 191 g
Colors Phantom Gray and Phantom Violet Black, White, Green
Release Date January 14, 2021 March 6, 2025
Price ₱47,990.00 - Official Price in the Philippines ₱45,999.00 - Official price of 12GB+256GB version in the Philippines
₱49,999.00 - Official price of 12GB+512GB version in the Philippines
Buy Online Samsung Galaxy S21 5G on Lazada
Samsung Galaxy S21 5G on Shopee 		Xiaomi 15 on Lazada
Xiaomi 15 on Shopee

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Samsung Galaxy S21 5G
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