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› Samsung Galaxy S21 Ultra 5G, 12GB/128GB versus Samsung Galaxy A21 3GB/32GB
Samsung Galaxy S21 Ultra 5G versus Samsung Galaxy A21
Compare specifications, price, availability, ratings and shopping interest.
| Specification | Samsung Galaxy S21 Ultra 5G, 12GB/128GB | Samsung Galaxy A21 3GB/32GB |
|---|---|---|
| Price | KSh 110,600 | KSh 23,300 |
| Sales | 0 - For Jul 2026 | 0 - For Jul 2026 |
| Average rating | 3.2 - 37 votes | 2.4 - 8 votes |
| Likes | 5 - For Jul 2026 | 4 - For Jul 2026 |
| Views | 2,826 - For Jul 2026 | 1,008 - For Jul 2026 |
| General | ||
| Available | January 2021 | March 2020 |
| Dimensions | 165.1 x 75.6 x 8.9 mm | - |
| Weight | 227 g | - |
| Colors | Phantom Brown Phantom Black Phantom Silver Phantom Titanium Phantom Navy Navy | Black |
| Network | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Network features | 2G: 850, 900, 1800, 1900; 3G: 850, 900, 1700, 1900, 2100; 4G: B1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66; 5G: N1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 | - |
| Key features | 108MP quad main camera with Periscope telephoto 40MP high resolution selfie camera IP68 dust and water resistance - Up to 1.5 meters for 30 min Wireless Samsung desktop experience - DeX Gorilla Glass Victus display protection Android 11 with up to 4 major Android upgrades | 16MP quad main camera 4G Fast charging |
| Platform | ||
| Operating system | Android 11 One UI 7 Upto 4 Major Android Upgrades | Android 10; One UI 2 |
| GPU | Mali-G78 MP14 | - |
| Processor | 2.9 GHz Octa-core 5nm | - |
| Chipset | Exynos 2100 | - |
| Graphics processor | Mali-G78 MP14 | - |
| RAM | 12GB | 3GB |
| Storage | 128GB UFS 3.1 | 32GB |
| Card slot | No | Yes |
| Battery | 5000mAh Li-Po | 4000mAh Li-Po |
| Battery features | 25W Fast Wired Charging 15W Fast Wireless Charging - Qi 4.5W Reverse Wireless Charging | - |
| Platform features | Gorilla Glass Victus Back Aluminum Frame Dual Stereo Speakers IP68 Dust and Water Resistant - Up to 1.5m for 30 Min Hi-res Audio Samsung DeX / Wireless DeX Dolby Atmos Audio AKG Audio | - |
| Display | ||
| Display size | 6.8 Inches 1440 x 3200 Pixels | 6.5 inches 720 x 1600 pixels |
| Display type | Dynamic AMOLED 2X Screen 16M Colors | Super AMOLED screen 16M colors |
| Pixel density | 515 ppi | 270 ppi |
| Display features | Gorilla Glass Victus 120Hz Refresh Rate HDR10+ 1500 Nits Peak Brightness Always-on Display Stylus Pen Support | - |
| Camera | ||
| Camera resolution | 108MP F1.8 + 10MP F4.9 + 10MP F2.4 + 12MP F2.2 | 16MP + 8MP + 2MP + 2MP quad |
| Camera features | 108MP Wide / PDAF / OIS 10MP Telephoto / Dual Pixel PDAF / OIS / 3x Optical Zoom 10MP Periscope Telephoto / Dual Pixel PDAF / OIS / 10x Optical Zoom 12MP Ultrawide / Dual Pixel PDAF Laser AF Auto-HDR Panorama LED Flash | Face detection Geo tagging Autofocus Panorama Touch to focus HDR LED flash PDAF |
| Video recording | 8K 24fps 4K 60/30fps 1080p 240/60/30fps 960fps@720p Slow Motion HDR10+ Stereo Audio Rec | 1080p 30fps |
| Front camera | ||
| Front camera resolution | 40MP F2.2 | 13MP |
| Front camera features | PDAF Face Unlock HDR | - |
| Video recording | 4K 60/30fps 1080p 30fps Dual Video Call | 1080p 30fps |
| Sensors & connectivity | ||
| Sensors | Fingerprint - Ultrasonic Accelerometer Ambient Light Gyro Proximity Compass Barometer | Fingerprint Accelerometer Proximity Compass |
| Connectivity | USB Type-C 3.2 / OTG Bluetooth 5.2 NFC Dual-band Wi-Fi / Wi-Fi Direct / Wi-Fi Hotspot / Wi-Fi 6e GPS / GLONASS / BDS / GALILEO | USB Type C WiFi hotspot WiFi Direct GPS GLONASS BDS Bluetooth 5.0 |
| Connectivity features | - | - |