This is a side-by-side smartphone specs comparison of the Samsung Galaxy S21 5G and SAMSUNG Galaxy S25.
The Samsung Galaxy S21 5G has a 6.2-inch display, Samsung Exynos 2100 processor, triple cameras, 5G connectivity, and 4000mAh battery.
Meanwhile, the SAMSUNG Galaxy S25 has a 6.2-inch display, Qualcomm Snapdragon 8 Elite (3 nm) processor, triple cameras, 5G connectivity, and 4000mAh battery.
| Specs | Samsung Galaxy S21 5G | SAMSUNG Galaxy S25 | 
|---|---|---|
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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 | 6.2-inch FHD+ Dynamic AMOLED 2X Display (1080 x 2340 Pixels, 416 ppi) with Corning Gorilla Glass Victus 2, 19.5:9 Aspect Ratio, 120Hz Refresh Rate, 2600nits peak, HDR10+, and punch-hole | 
| OS | Android 11 with One UI 3.1 | Android 15 with One UI 7 with Galaxy AI | 
| 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 V2 Phoenix L @ 4.47GHz & 6x Oryon V2 Phoenix 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 (f/1.8 Aperture, Autofocus, OIS) 12MP Ultrawide (f/2.2 Aperture, 120˚ FoV) 10MP Telephoto (f/2.4 Aperture, Autofocus, OIS, 3x Optical Zoom) -LED Flash -Up to 8K video recording, 10-bit HDR -Video Stabilization | 
| Front Camera | 10 Megapixels (f/2.2 Aperture, Dual Pixel Autofocus) - 4K@60fps Video Recording | 12 Megapixels (f/2.2 Aperture, Autofocus) - Up to 4K@60fps video recording | 
| 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 | ||
|  | ||
| Position | A-GPS, GLONASS, Galileo & BeiDou | GPS, GLONASS, GALILEO, BeiDou, QZSS | 
| USB OTG | Yes | Yes with Samsung DeX and Samsung Wireless DeX | 
| USB | USB Type-C | USB Type-C | 
| 3.5mm Audio Jack | No | No | 
| Audio Enhancement | Hi-Res Audio Tuned by AKG | Hi-Res Audio, Stereo Speakers tuned by AKG | 
| 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 | 4000 mAh Li-ion Battery (Non-removable) 25W Fast Charging (50% in 30 minutes) 15W Wireless Charging (Qi 2) | 
| Material | Glass Front, Plastic Back and Aluminum Frame (IP68 Water & Dust Resistant) | Glass front and back with Aluminum frame (IP68 dust & water resistance) | 
| Size | 71.2 x 151.7 x 7.9 mm | 146.9 x 70.5 x 7.2 mm | 
| Weight | 169 g | 162 g | 
| Colors | Phantom Gray and Phantom Violet | Blueblack, Silver Shadow, Icyblue, Navy, Mint, Coralred, Pinkgold | 
| Release Date | January 14, 2021 | January 23, 2025 | 
| Price | ₱47,990.00 - Official Price in the Philippines | ₱51,990.00 - Official price of 12GB+256GB version in the Philippines ₱60,990.00 - Official price of 12GB+512GB version in the Philippines | 
| Buy Online | Samsung Galaxy S21 5G on Lazada Samsung Galaxy S21 5G on Shopee | SAMSUNG Galaxy S25 on Lazada SAMSUNG Galaxy S25 on Shopee | 
