Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Vivo X300 Ultra

Here you can compare Samsung Galaxy S21 Ultra 5G (12GB RAM … and Vivo X300 Ultra. Comparing Samsung Galaxy S21 Ultra 5G (12GB RAM … vs Vivo X300 Ultra 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 (12GB RAM … stands against Vivo X300 Ultra and which one should you buy The current lowest price found for Samsung Galaxy S21 Ultra 5G (12GB RAM … is ₹1,01,999 and for Vivo X300 Ultra is ₹1,59,999. The details of both of these products were last updated on Jul 30, 2026.

Specification	Samsung Galaxy S21 Ultra 5G (12GB RAM …	Vivo X300 Ultra
OS	Android v10	Android v16
CPU	2.9 GHz, Octa Core Processor	4.6 GHz, Octa Core Processor
Internal Memory	128 GB	512 GB
Display	6.8 inches, 1440 x 3200 pixels, 120 Hz	6.82 inches, 1440 x 3168 pixels, 144 Hz
Battery	5000 mAh, Li-Po Battery	6600 mAh, Li-ion Battery
Price	₹1,01,999	₹1,59,999

Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)₹1,01,999

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Vivo X300 Ultra₹1,59,999

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Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)₹1,01,999

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Vivo X300 Ultra₹1,59,999

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Overview

Specs Score	80 / 100	98 / 100 Better Specs
Display Resolution	1440 x 3200 pixels Better Resolution	1440 x 3168 pixels
RAM	12 GB	16 GB More RAM
Storage	128 GB	512 GB More Storage
CPU Clock Speed	2.9 GHz	4.6 GHz Faster Clock Speed
Rear Camera	108 MP Quad	200 MP + 200 MP + 50 MP Triple Better Camera Resolution
Front Camera	40 MP	50 MP Better Front Camera Resolution
Thickness	8.9 mm	8.19 mm Slimmer
Battery	5000 mAh	6600 mAh Bigger Battery
Unique Features	No	IR Blaster

General

Model	Galaxy S21 Ultra 5G	V2547A, V2547DA, V2536A, V2562
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
SAR		1.1 W/kg (Head) 1.12 W/kg (Body)
Device Type	Smartphone	Smartphone
OS Updates		5 years
Security Updates		7 years
Release Date	January 14, 2021	May 06, 2026
In The Box		X300 Ultra, Quick Start Guide, Eject Tool, Phone Case, Protective Film (applied), Warranty Card, USB Power Adapter

Design

Dimensions	75.6 x 165.1 x 8.9 mm	76.81 x 162.98 x 8.19 mm
Weight	227 g	232 g
Bezel less		Yes
Colors		Victory Green, Eclipse Black

Display

Type	Color Dynamic AMOLED 2X (16M Colors)	Color AMOLED Screen (1.07B Colors)
Touch	Yes	Yes
Size	6.8 inches, 1440 x 3200 pixels, 120 Hz	6.82 inches, 1440 x 3168 pixels, 144 Hz
Aspect Ratio	20:9	20:9
PPI	~ 515 PPI	~ 510 PPI
Screen to Body Ratio	~ 89.8%	~ 90.3%
Glass Type	Corning Gorilla Glass Victus	Armor glass
Brightness		4500 nits
HDR Support	Yes, HDR10+	Yes
Adaptive Refresh Rate		Yes
Display Dimming		2160Hz PWM
Color Gamut		100% DCI-P3
Features	Always-on Display, HDR10+	Dolby Vision, HDR10+, HDR Vivid, 2K ZEISS Master Color Display, Ultra XDR
Notch	Yes, Punch Hole	Yes, Punch Hole
Curved Display		No

Memory

RAM	12 GB	16 GB
RAM Type		LPDDR5X Ultra Pro
Expandable RAM		Upto 16 GB Extra Virtual RAM
Storage	128 GB	512 GB
Storage Type	UFS 3.1	UFS 4.1
Card Slot		No

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G	Yes	Yes
5G Bands		n1/n2/n3/n5/n7/n8/n12/n20/n25/n28/n38/n40/n41/n66/n71/n75/n77/n78/n79
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version		2.4G;5G;6G
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
IR Blaster		Yes

Performance

AnTuTu Score		3,717,822 (Total) (v11) 1,043,382 (CPU) 1,351,425 (GPU) 459,630 (Memory) 863,385 (UX)
Geekbench Score		11,494 (Multi Core) (v6) 3,730 (Single Core)
3DMark Score		6,541 (Wild Life Extreme)
Camera Score		170 (DxOMark)

Extra

GPS	Yes, with A-GPS, GLONASS, BDS, GALILEO	GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, GNSS feature - AGPS
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Accelerometer, Gyro, Proximity, Compass, Barometer	Accelerometer, Color Temperature Sensor, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope, Laser Focusing Sensor, Hall Sensor, Infrared Blaster, Flicker Sensor Linear Motor
3.5mm Headphone Jack	No	No
NFC	Yes	Yes
Cooling System		5800 mm² Ultra Large VC Cooling Area
Water Resistance	Yes, 1.5 m upto 30 min	Yes, 1.5 m upto 30 min
IP Rating	IP68	IP69 & IP68
Dust Resistant	Yes	Yes
Extra Features		Pro Imaging Chip VS1+, 5800 mm² Ultra Large VC Cooling Area, Live Connectivity Engine, vivo Office Kit, 5G + 5G Dual SIM Dual Standby, BlueVolt Battery Technology, Shake to Share

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/1.85 (Wide Angle) 35mm ZEISS Documentry Camera, 1/1.12", 0.7µm, PDAF, gimbal OIS 200 MP ƒ/2.67 (Telephoto) 85mm ZEISS Gimbal-Like Stabilization APO Telephoto Camera, Ultra-Sensing Sensor HPO \| 200 MP \| CIPA 7.0 \| 3° OIS \| 60 fps AF Tracking, 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.7x optical zoom, macro 3.4:1, 50 MP ƒ/2 (Ultra Wide) Sony LYTIA 818 Sensor, CIPA 6.0, IS, 1/1.28", 1.22µm, dual pixel PDAF, OIS, 14mm ZEISS
Camera Sensor		Sony LYTIA 901 Sensor CIPA 6.5 (200MP Wide Angle) + Sony LYT818 Sensor CIPA 6.0(50MP UltraWide)
OIS	Yes	Yes
Auto Focus	Yes	Yes
Features	Auto-HDR, Panorama	ZEISS Cinematics, ZEISS Documentry Camera, ZEISS Master Lenses Collection, Snapshot, Landscape & Night, Portrait, Photo, Video, Portrait Video, Pano, Ultra HD Document, Slo-mo, Stage, Time-lapse, Pro, Underwater Photography, Spatial Camera, Food, Scan, Street Photography, Dolby Vision
Video Recording	8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD	4K @ 120 fps UHD, 1080p
Flash	Yes, LED	Yes, LED
Front Camera	40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus	50 MP ƒ/2.45 (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		OriginOS 6
Chipset	Samsung Exynos 2100	Qualcomm Snapdragon 8 Elite Gen 5
CPU	2.9 GHz, Octa Core Processor	4.6 GHz, Octa Core Processor
Core Details	1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55	2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M
GPU	Mali-G78 MP14	Adreno 840
NPU		Qualcomm Hexagon NPU
Java	No	No
Browser	Yes	Yes

Multimedia

Email	Yes	Yes
Music	Yes	AAC, WAV, MP3, MIDI, VORBIS, APE, FLAC
Video	Yes	MP4; 3GP; AVI; FLV; MKV; WEBM; TS; ASF
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	6600 mAh, Li-ion Battery
Fast Charging	Yes, 25W Fast Charging	Yes, 100W FlashCharge.
Wireless Charging	Yes, 15W	Yes, 40W Wireless FlashCharge
Reverse Charging	Yes, 4.5W	Yes
Reverse Wireless Charging		Yes
Bypass Charging		Yes
Video Playback Time		38 hours

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