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Samsung Galaxy S20 VS S21 Series – Major Differences

Device Name Samsung Galaxy S20 Samsung Galaxy S21 Samsung Galaxy S20 Plus Samsung Galaxy S21 Plus Display 6.2-inch Dynamic AMOLED 3,200 x 1,440 20:9 ratio 120Hz refresh rate at 1080p 60Hz refresh rate at 1440p HDR10+ certified 6.2-inch Dynamic AMOLED Flat FHD+ 2,400 x 1,080 at 421ppi Adaptive 120Hz refresh rate HDR10+ certified 6.7-inch Dynamic AMOLED 3,200 x 1,440 20:9 ratio 120Hz refresh rate at 1080p 60Hz refresh rate at 1440p HDR10+ certified 6.7-inch Dynamic AMOLED Flat FHD+ 2,400 x 1,080 at 394ppi Adaptive 120Hz refresh rate HDR10+ certified Processor Qualcomm Snapdragon 865 or Samsung Exynos 990 Qualcomm Snapdragon 888 or Samsung Exynos 2100 Qualcomm Snapdragon 865 or Samsung Exynos 990 Qualcomm Snapdragon 888 or Samsung Exynos 2100 RAM 12GB 8GB 12GB 8GB Storage 128GB 128 or 256GB 128 or 512GB 128 or 256GB MicroSD Yes, up to 1TB No Yes, up to 1TB No Battery 4,000mAh Fast wired and wireless charging 4,000mAh Fast wired and wireless charging Reverse wireless charging 4,500mAh Fast wired and wireless charging 4,800mAh Fast wired and wireless charging Reverse wireless charging Cameras Rear: – Wide-angle: 12MP, 1/1.76″, ƒ/1.8, 1.8µm – Telephoto: 64MP, ƒ/2.0, .8µm – Ultra-wide: 12MP, ƒ/2.2, 1.4µm
3x hybrid optical/digital zoom, Super Resolution Zoom up to 30x
Front: – 10MP, ƒ/2.2, 1.22µm, AF Rear: – Wide-angle: 12MP, ƒ/1.8, 1.8µm with OIS and dual-pixel AF – Telephoto: 64MP, ƒ/2.0, 0.8µm with OIS and phase-detection AF – Ultra-wide: 12MP, ƒ/2.2, 1.4µm with 120-degree FoV
3x hybrid optical/digital zoom 30x “Space Zoom”
Front:  – 10MP, ƒ/2.2, 1.22µm, with dual-pixel AF Rear: – Wide-angle: 12MP, 1/1.76″, ƒ/1.8, 1.8µm – Telephoto: 64MP, ƒ/2.0, .8µm – Ultra-wide: 12MP, ƒ/2.2, 1.4µm – VGA time-of-flight sensor
3x hybrid optical/digital zoom, Super Resolution Zoom up to 30x
Front: – 10MP, ƒ/2.2, 1.22µm, AF Rear: – Wide-angle: 12MP, ƒ/1.8, 1.8µm with OIS and dual-pixel AF – Telephoto: 64MP, ƒ/2.0, 0.8µm with OIS and phase-detection AF – Ultra-wide: 12MP, ƒ/2.2, 1.4µm with 120-degree FoV
3x hybrid optical/digital zoom 30x “Space Zoom”
Front:  – 10MP, ƒ/2.2, 1.22µm, with dual-pixel AF Connectivity 4G LTE support 5G (sub-6GHz, DSS, TDD/FDD, SA and NSA, no mmWave) 4G LTE support 5G (sub-6GHz, SA and NSA, mmWave) Wi-Fi 6E support 4G LTE support 5G (sub-6GHz, DSS, TDD/FDD, SA and NSA, mmWave) 4G LTE support 5G (sub-6GHz, SA and NSA, mmWave) Wi-Fi 6E support S Pen support No No No No Operating System One UI 3.0 Android 11 One UI 3.1 Android 11 One UI 3.0 Android 11 One UI 3.1 Android 11 Water resistance IP68 IP68 IP68 IP68 Security Ultrasonic fingerprint sensor, face unlock Ultrasonic fingerprint sensor, face unlock Ultrasonic fingerprint sensor, face unlock Ultrasonic fingerprint sensor, face unlock Color Cosmic Grey, Cloud Blue, Cloud Pink 128GB in Phantom Violet, Phantom Gray, Phantom Pink, and Phantom White
256GB only in Phantom Gray
Future colors: Phantom Gold and Phantom Red Cosmic Grey, Cosmic Black, Cloud Blue, Aura Blue. 128GB in Phantom Violet, Phantom Silver, and Phantom Black
256GB only in Phantom Black
Future colors: Phantom Gold and Phantom Red Dimensions and weight 69.1×151.7×7.9mm 163g 71.2 x 151.7 x 7.9mm 171g 73.8×161.9×7.8mm 186g 75.6 x 161.5 x 7.8mm 202g
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