Device comparison

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Device A

Galaxy S25 EDGE

Samsung · Phones

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Device B

Samsung · Phones

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Complete comparison

Every available group and stored value, aligned by field.

Differences only

LAUNCH DATE3 fields

NETWORK6 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DO
4G LTE	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International; 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA	1, 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-G998U1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B
5G	SA/NSA/Sub6	2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
Speed	LTE, 5G	LTE, 5G
Technology	5G/4G/LTE/GSM	5G/4G/LTE/GSM

BODY5 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Build	Glass front (Gorilla Glass Ceramic 2), titanium frame, glass back (Gorilla Glass Victus 2)	Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
Dimensions	158.2 x 75.6 x 5.8 mm (6.23 x 2.98 x 0.23 in)	165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
IP Rating	IP68 Dust Tight and Water Resistant (immersible up to 1.5m for 30 min)	IP68 dust/water resistant (up to 1.5m for 30 min)
SIM	Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) Nano-SIM + eSIM + eSIM (max 2 at a time)	Nano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight	163 g (5.75 oz)	227 g (Sub6), 229 g (mmWave) (8.01 oz)

DISPLAY7 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Brightness	2600 nits (peak)	1500 nits (peak)
Protection	Corning Gorilla Glass Ceramic 2, Mohs level 5	Corning Gorilla Glass Victus
Refresh Rate	120Hz	120Hz
Resolution	1440 x 3120 pixels, 19.5:9 ratio (~513 ppi density)	1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Screen-to-body	~92.1%	~89.8%
Size	6.7 inches, 110.2 cm2 (~92.1% screen-to-body ratio)	6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
Type	LTPO AMOLED 2X, 120Hz, 480Hz PWM, HDR10+	Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)

PLATFORM4 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
CPU	Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)	Octa-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/China
Chipset	Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)	Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
GPU	Adreno 830 (1200 MHz)	Mali-G78 MP14 - International Adreno 660 - USA/China
OS	Android 15, up to 7 major Android upgrades, One UI 7	Android 11, up to 4 major Android upgrades, One UI 6.1

MEMORY4 fields

MAIN CAMERA3 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Features	Best Face, LED flash, HDR, panorama	Laser AF, LED flash, auto-HDR, panorama
MAIN CAMERA	200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, PDAF	108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2
Video	8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps	8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS

SELFIE CAMERA3 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Features	Best Face, LED flash, HDR, panorama	HDR
Selfie camera	12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF	40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Video	4K@30/60fps, 1080p@30/60fps	4K@30/60fps, 1080p@30fps

SOUND2 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
3.5mm jack	No	No
Loudspeaker	Yes, with stereo speakers	Yes, with stereo speakers

COMMUNICATION6 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Bluetooth	5.4, A2DP, LE	5.2, A2DP, LE
NFC	Yes	Yes
Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS, BDS, GALILEO
Radio	Unspecified	FM radio (Snapdragon model only; market/operator dependent)
USB	USB Type-C 3.2	USB Type-C 3.2, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6/7, tri-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct

FEATURES1 field

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Sensors	Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

BATTERY3 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Capacity	3900 mAh	5000 mAh
Charging Type	25W wired, PD, QC2.0, 55% in 30 min 15W wireless (Qi2 Ready)	25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
Type	Li-Ion 3900 mAh	Li-Ion 5000 mAh

ADDITIONAL INFORMATION4 fields

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Colors	Titanium Icyblue, Titanium Silver, Titanium Jetblack	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Launch Price (USD)	$799.99 (reference only — see Price in Nigeria above for the actual retail price)	$399.98 (reference only — see Price in Nigeria above for the actual retail price)
Models	SM-S937U, SM-S937U1, SM-S937B, SM-S937B/DS, SM-S9370	SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
Price in Nigeria	₦770,000 (Seller price)	₦770,000 (Seller price)

SECURITY1 field

Specification	Galaxy S25 EDGE	Galaxy S21 Ultra
Security	Biometric security: Fingerprint (under display, ultrasonic).	Biometric security: Fingerprint (under display, ultrasonic).