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Samsung Galaxy S21

Device A

Galaxy S21

Samsung · Phones

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Infinix Note Edge

Device B

Note Edge

Infinix · Phones

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Complete comparison

Full specifications

Every available group and stored value, aligned by field.

LAUNCH DATE3 fields
SpecificationGalaxy S21Note Edge
AnnouncedJanuary 29, 20212026, January 19
Released2021-01-292026-01-31
StatusAvailableAvailable
NETWORK6 fields
SpecificationGalaxy S21Note Edge
2G BandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DOHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G LTE1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G991U1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G991B1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41
5G2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G991BSA/NSA
SpeedLTE, 5GLTE, 5G
Technology5G/4G/LTE/GSM5G / 4G / 3G / 2G
BODY5 fields
SpecificationGalaxy S21Note Edge
BuildGlass front (Gorilla Glass Victus), plastic back, aluminum frameGlass front, plastic back, plastic frame
Dimensions151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)163.1 x 77.4 x 7.2 mm (6.42 x 3.05 x 0.28 in)
IP RatingIP68 dust/water resistant (up to 1.5m for 30 min)IP65
SIMNano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time)Dual nano-SIM
Weight169 g (Sub6), 171 g (mmWave) (5.96 oz)185 g (Silk Green); 190 g (other colors)
DISPLAY8 fields
SpecificationGalaxy S21Note Edge
Brightness1300 nits (peak)700 nits typical; 1600 nits HBM; 4500 nits peak
Color—100% DCI-P3
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 7i
Refresh Rate120HzUp to 120 Hz
Resolution1080 x 2400 pixels, 20:9 ratio (~421 ppi density)1208 x 2644
Screen-to-body~87.2%~88.8%
Size6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)6.78 inches
TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)AMOLED
PLATFORM4 fields
SpecificationGalaxy S21Note Edge
CPUOcta-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China4x Cortex-A78 at 2.4 GHz + 4x Cortex-A55 at 2.0 GHz
ChipsetExynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/ChinaMediaTek Dimensity 7100 (6nm)
GPUMali-G78 MP14 - International Adreno 660 - USA/ChinaMali-G610
OSAndroid 11, up to 4 major Android upgrades, One UI 6.1Android 16, XOS 16
MEMORY5 fields
SpecificationGalaxy S21Note Edge
Card slotNoNo
Internal128GB, 256GB128 GB / 256 GB
RAM6GB RAM, 8GB RAM6 GB / 8 GB
Storage Type—UFS 2.2
Storage/RAM variants128GB, 256GB; 6GB RAM, 8GB RAM128 GB / 256 GB; 6 GB / 8 GB RAM
MAIN CAMERA3 fields
SpecificationGalaxy S21Note Edge
FeaturesLED flash, auto-HDR, panoramaLED flash, HDR, panorama
MAIN CAMERA12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video50 MP, f/1.8
Video8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS2K at 30 fps; 1080p at 60 fps
SELFIE CAMERA3 fields
SpecificationGalaxy S21Note Edge
FeaturesHDRHDR
Selfie camera10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF13 MP, f/2.2
Video4K@30/60fps, 1080p@30fps2K at 30 fps; 1080p at 60 fps
SOUND2 fields
SpecificationGalaxy S21Note Edge
3.5mm jackNoNo
LoudspeakerYes, with stereo speakersDual speakers, tuned by JBL
COMMUNICATION6 fields
SpecificationGalaxy S21Note Edge
Bluetooth5.0, A2DP, LE5.4
NFCYesYes
PositioningGPS, GLONASS, BDS, GALILEOGPS
RadioFM radio (Snapdragon model only; market/operator dependent)FM radio
USBUSB Type-C 3.2, OTGUSB-C, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11a/b/g/n/ac
FEATURES1 field
SpecificationGalaxy S21Note Edge
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, optical), accelerometer, gyro, proximity, compass
BATTERY3 fields
SpecificationGalaxy S21Note Edge
Capacity4000 mAh6500 mAh
Charging Type25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless45W wired; up to 10W reverse charging
TypeLi-Ion 4000 mAh6500 mAh, non-removable
ADDITIONAL INFORMATION5 fields
SpecificationGalaxy S21Note Edge
ColorsPhantom Gray, Phantom White, Phantom Violet, Phantom PinkStellar Blue, Lunar Titanium, Silk Green, Solar Orange
Compatibility—India specification set
Launch Price (USD)$250.00 (reference only — see Price in Nigeria above for the actual retail price)—
ModelsSM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09X6887
Price in Nigeria₦382,500₦360,000
SECURITY1 field
SpecificationGalaxy S21Note Edge
SecurityBiometric security: Fingerprint (under display, ultrasonic).In-display fingerprint sensor

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