Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB) vs Samsung Galaxy S26 Ultra 5G

Here you can compare Samsung Galaxy S21 Ultra 5G (16GB RAM … and Samsung Galaxy S26 Ultra 5G. Comparing Samsung Galaxy S21 Ultra 5G (16GB RAM … vs Samsung Galaxy S26 Ultra 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S21 Ultra 5G (16GB RAM … stands against Samsung Galaxy S26 Ultra 5G and which one should you buy The current lowest price found for Samsung Galaxy S21 Ultra 5G (16GB RAM … is ₹1,11,999 and for Samsung Galaxy S26 Ultra 5G is ₹1,19,990. The details of both of these products were last updated on Jun 22, 2026.

Specification	Samsung Galaxy S21 Ultra 5G (16GB RAM …	Samsung Galaxy S26 Ultra 5G
RAM	16 GB	12 GB
Display	6.8 inches, 1440 x 3200 pixels, 120 Hz	6.9 inches, 1440 x 3120 pixels, 120 Hz
Internal Memory	512 GB	256 GB
Battery	5000 mAh, Li-Po Battery	5000 mAh, Li-ion Battery
OS	Android v10	Android v16
Price	₹1,11,999	₹1,19,990

Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB)₹1,11,999

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Samsung Galaxy S26 Ultra 5G₹1,19,9905%

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Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB)₹1,11,999

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Samsung Galaxy S26 Ultra 5G₹1,19,9905%

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Overview

Specs Score	83 / 100	94 / 100 Better Specs
Display Resolution	1440 x 3200 pixels Better Resolution	1440 x 3120 pixels
RAM	16 GB More RAM	12 GB
Storage	512 GB More Storage	256 GB
CPU Clock Speed	2.9 GHz	4.74 GHz Faster Clock Speed
Rear Camera	108 MP Quad	200 MP Quad Better Camera Resolution
Front Camera	40 MP Better Front Camera Resolution	12 MP
Weight	227 g	214 g Lighter
Thickness	8.9 mm	7.9 mm Slimmer

General

Model	Galaxy S21 Ultra 5G	SM-S948B, SM-S948B/DS, SM-S948U, SM-S948U1, SM-S948W, SM-S948N, SM-S9480, SM-S948E, SM-S948E/DS
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM SIM
eSIM Support		Yes
Device Type	Smartphone	Smartphone
Security Updates		7 years
Release Date	January 14, 2021	February 25, 2026
In The Box		Headset, Charging Cable, Sim Ejector Pin

Design

Dimensions	75.6 x 165.1 x 8.9 mm	78.1 x 163.6 x 7.9 mm
Weight	227 g	214 g
Colors		Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold

Display

Type	Color Dynamic AMOLED 2X (16M Colors)	Color Dynamic LTPO AMOLED 2X (16M Colors)
Touch	Yes	Yes
Size	6.8 inches, 1440 x 3200 pixels, 120 Hz	6.9 inches, 1440 x 3120 pixels, 120 Hz
Aspect Ratio	20:9	20.5:9
PPI	~ 515 PPI	~ 500 PPI
Screen to Body Ratio	~ 89.8%	~ 90.7%
Glass Type	Corning Gorilla Glass Victus	Corning Gorilla Armor 2
Brightness		2600 nits (peak)
HDR Support	Yes, HDR10+
Adaptive Refresh Rate		Yes
Features	Always-on Display, HDR10+	DX anti-reflective coating, Privacy Display
Notch	Yes, Punch Hole	Yes, Punch Hole

Memory

RAM	16 GB	12 GB
RAM Type		LPDDR5X
Storage	512 GB	256 GB
Storage Type	UFS 3.1	UFS 4
Card Slot		No

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G	Yes	Yes
5G Bands		5G FDD Sub6: N1(2100), N2(1900), N3(1800), N5(850), N7(2600), N8(900), N12(700), N20(800), N25(1900), N26(850), N28(700), N66(AWS-3), 5G TDD Sub6: N38(2600), N40(2300), N41(2500), N77(3700), N78(3500)
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Vo5G		Yes
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version		802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM
Ultra Wideband (UWB) Support		Yes
Bluetooth	Yes, v5.2, A2DP, LE	Yes, v6.0
USB	Yes, USB-C v3.2	Yes, USB-C v3.2
USB Features	USB on-the-go, USB Charging	USB Tethering, USB on-the-go, USB Charging

Performance

AnTuTu Score		3,668,406 (Total) (v11) 1,087,228 (CPU) 1,491,438 (GPU) 386,328 (Memory) 703,412 (UX)
Geekbench Score		10,585 (Multi Core) (v6) 3,539 (Single Core) 25,712 (OpenCL)
Camera Score		157 (DxOMark)

Extra

GPS	Yes, with A-GPS, GLONASS, BDS, GALILEO	Yes with A-GPS, Glonass
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Accelerometer, Gyro, Proximity, Compass, Barometer	Accelerometer, Barometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor
3.5mm Headphone Jack	No	No
NFC	Yes	Yes
AI Features		Galaxy AI, Circle to Search with Google, Photo Assist, Creative Studio, Bixby
Water Resistance	Yes, 1.5 m upto 30 min	Yes, 1.5 m upto 30 min
IP Rating	IP68	IP68
Dust Resistant	Yes	Yes
Extra Features		Samsung Care+, Samsung Health, Samsung Wallet, S Pen included, Redesigned Vapor Chamber, UWB (Ultra Wideband), Samsung DeX Support

Camera

Rear Camera	108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide)	200 MP ƒ/1.4 (Wide Angle) 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP ƒ/2.4 (Telephoto) 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 50 MP ƒ/2.9 (Telephoto) periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 50 MP ƒ/1.9 (Ultra Wide) (ultrawide), 1/2.5", 0.7µm, dual pixel PDAF, Super Steady vide
OIS	Yes	Yes
Auto Focus	Yes	Yes
Features	Auto-HDR, Panorama	Optical Zoom 3x and 5x, Optical Quality Zoom 2x and 10x, Digital Zoom up to 100x, Dual Recording, Food, Hyperlapse, Night, Panorama, Photo, Portrait, Portrait Video, Pro, Pro Video, Single Take, Slow Motion, Video
Video Recording	8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD	8K @ 30 fps UHD, 4K, 1080p
Flash	Yes, LED	Yes, LED
Front Camera	40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus	12 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash
Front Video Recording	4K @ 30/60 fps UHD, 1080p @ 30 fps FHD	4K @ 60 fps UHD, 1080p @ 60 fps FHD

Technical

OS	Android v10	Android v16
Custom UI		ONE UI 8.5
Chipset	Samsung Exynos 2100	Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy
CPU	2.9 GHz, Octa Core Processor	4.74 GHz, Octa Core Processor
Core Details	1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55	2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M
GPU	Mali-G78 MP14	Adreno 840
Java	No	No
Browser	Yes	Yes

Multimedia

Email	Yes	Yes
Music	Yes	MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE
Video	Yes	MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM
FM Radio	No	No
Speaker Type		Dual Stereo
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	5000 mAh, Li-Po Battery	5000 mAh, Li-ion Battery
Fast Charging	Yes, 25W Fast Charging	Yes, 60W Fast Charging
Wireless Charging	Yes, 15W	Yes, 25W
Reverse Charging	Yes, 4.5W	Yes
Reverse Wireless Charging		Yes, 4.5W
Video Playback Time		31 hours

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