Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Xiaomi 17 Ultra

Here you can compare Samsung Galaxy S21 Ultra 5G (12GB RAM … and Xiaomi 17 Ultra. Comparing Samsung Galaxy S21 Ultra 5G (12GB RAM … vs Xiaomi 17 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 Xiaomi 17 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 Xiaomi 17 Ultra is ₹1,39,997. The details of both of these products were last updated on Jun 14, 2026.

Specification	Samsung Galaxy S21 Ultra 5G (12GB RAM …	Xiaomi 17 Ultra
CPU	2.9 GHz, Octa Core Processor	4.6 GHz, Octa Core Processor
Battery	5000 mAh, Li-Po Battery	6000 mAh
OS	Android v10	Android v16
RAM	12 GB	16 GB
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)	50 MP ƒ/1.7 (Leica 23mm main camera) 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS, Light Fusion 1050L image sensor 200 MP ƒ/2.4-3 (Leica 200MP 75-100mm telephoto) f/2.4-3.0, 75-100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF (30cm - ∞), OIS, 3.2-4.3x continuous optical zoom, zoom ring, Samsung HPE image sensor 50 MP ƒ/2.2 (Leica 14mm ultra-wide camera) 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF, Samsung JN5 image sensor
Price	₹1,01,999	₹1,39,997

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

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Xiaomi 17 Ultra₹1,39,997

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

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Xiaomi 17 Ultra₹1,39,997

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Overview

Specs Score	80 / 100	97 / 100 Better Specs
Display Resolution	1440 x 3200 pixels Better Resolution	1200 x 2608 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 Better Camera Resolution	200 MP + 50 MP + 50 MP Triple
Front Camera	40 MP	50 MP Better Front Camera Resolution
Thickness	8.9 mm	8.3 mm Slimmer
Battery	5000 mAh	6000 mAh Bigger Battery
Unique Features	No	IR Blaster

General

Model	Galaxy S21 Ultra 5G	25128PNA1G, 2512BPNDAG
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	nano SIM + nano SIM or nano SIM + eSIM, eSIM + eSIM SIM
eSIM Support		Yes
Device Type	Smartphone	Smartphone
Release Date	January 14, 2021	March 11, 2026
In The Box		Xiaomi 17 Ultra / USB Type-C Cable / SIM Eject Tool Protective Case / Quick Start Guide / Warranty Card

Design

Dimensions	75.6 x 165.1 x 8.9 mm	77.6 x 162.9 x 8.3 mm
Weight	227 g	218.4 g
Bezel less		Yes
Qwerty		No
Colors		Black, White, Starlit Green

Display

Type	Color Dynamic AMOLED 2X (16M Colors)	Color Xiaomi HyperRGB OLED display Screen (68B)
Touch	Yes	Yes, 300 Hz Touch Sampling Rate
Size	6.8 inches, 1440 x 3200 pixels, 120 Hz	6.9 inches, 1200 x 2608 pixels, 120 Hz
Aspect Ratio	20:9	20:9
PPI	~ 515 PPI	~ 416 PPI
Screen to Body Ratio	~ 89.8%	~ 92.3%
Glass Type	Corning Gorilla Glass Victus	Xiaomi Shield Glass 3.0
Brightness		3500 nits Multi-scenario Peak Brightness
HDR Support	Yes, HDR10+	Yes, HDR10+, Dolby Vision
Color Gamut		Color gamut: DCI-P3
Features	Always-on Display, HDR10+	Eye-care DC Dimming, Original color PRO \| Pro HDR \| Wet touch technology HDR10+, Dolby Vision, TÜV Rheinland Low Blue Light (Hardware Solution) Certified TÜV Rheinland Flicker Free Certified TÜV Rheinland Circadian Friendly Certified, Color depth: 12bit
Notch	Yes, Punch Hole	Yes, Punch Hole

Memory

RAM	12 GB	16 GB
RAM Type		LPDDR5X
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		5G SA: n1/2/3/5/7/8/12/20/25/26/28/38/40/41/48/66/71 75/77/78/79, 5G NSA: n1/2/3/5/7/8/20/28/38/40/41/66/71/75/77/78/79
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Vo5G		Yes
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version		Wi-Fi 7/Wi-Fi 6E/Wi-Fi 6
Bluetooth	Yes, v5.2, A2DP, LE	Yes, v6.0, SBC/AAC/AptX/AptX HD/AptX Adaptive LDAC/LHDC 5.0/LC3/MIHC
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		3,595,092 (Total) (v11) 1,037,573 (CPU) 1,321,907 (GPU) 496,037 (Memory) 739,575 (UX)
Geekbench Score		2,960 (Single Core)
Camera Score		166 (DxOMark)

Extra

GPS	Yes, with A-GPS, GLONASS, BDS, GALILEO	GPS: L1+L5 \| Galileo: E1+E5a \| GLONASS: G1 \| Beidou QZSS: L1 + L5 \| NavIC: L5
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Accelerometer, Gyro, Proximity, Compass, Barometer	Accelerometer, Proximity, Gyro, Compass, Barometer
3.5mm Headphone Jack	No	No
NFC	Yes	Yes
Cooling System		Xiaomi 3D Dual-Channel IceLoop system
AI Features		AI Writing, AI Speech Recognition, AI Interpreter, AI Search, AI Dynamic Wallpapers, AI Creativity Assistant, And more., Circle to Search with Google, Google Gemini
Water Resistance	Yes, 1.5 m upto 30 min	Yes, 6 m upto 30 min
IP Rating	IP68	IP66 + IP68 + IP69
Dust Resistant	Yes	Yes
Extra Features		Xiaomi 3D Dual-Channel IceLoop system, Xiaomi Offline Communication

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)	50 MP ƒ/1.7 (Leica 23mm main camera) 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS, Light Fusion 1050L image sensor 200 MP ƒ/2.4-3 (Leica 200MP 75-100mm telephoto) f/2.4-3.0, 75-100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF (30cm - ∞), OIS, 3.2-4.3x continuous optical zoom, zoom ring, Samsung HPE image sensor 50 MP ƒ/2.2 (Leica 14mm ultra-wide camera) 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF, Samsung JN5 image sensor
Camera Sensor		Light Fusion 1050L
OIS	Yes	Yes
Auto Focus	Yes	Yes, Laser AF
Features	Auto-HDR, Panorama	Two Leica Photographic Styles, (Leica Authentic Look, Leica Vibrant Look), Leica Filters \| Leica Classic Shutter Sound \| Leica Watermark, Xiaomi Profocus (Motion Tracking Focus, Eye Tracking Focus And Motion Capture), Lightning Burst, Digital Zoom Up To 120x, Xiaomi Procut, Hdr, Dynamic Shot, 50mp (Wide/ultra Wide/telephoto), 200mp Mode (Telephoto), Live Cinematography, Super Macro, Supermoon (Auto), Fastshot, Long Exposure, Panorama, Portrait Mode, Documents Mode, Pro Mode, Image Formats Captured: Jpg, Heif, Raw Mode, 8k (7680x4320) Video Recording At 30fps, 4k (3840x2160) Dolby Vision Video Recording At 30fps, 60fps, 120fps, 1080p (1920x1080) Dolby Vision Video Recording At 30fps, 60fps, 720p (1280x720) Video Recording At 30fps, Log Video Recording Up To 4k At 120fps, Academy Color Encoding System, Slow Motion Video Recording Up To 1080p At 1920fps, Shootsteady Video Recording Up To 2.8k At 60fps, Night Video Recording Up To 4k At 24fps, Time-lapse Video Recording Up To 4k At 30fps, Movie Mode, Pro Mode
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, 1080p @ 60 fps FHD, 4K @ 60 fps UHD
Flash	Yes, LED	Yes, Dual LED
Front Camera	40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus	50 MP ƒ/2.2 (Wide Angle) Ov50m Image Sensor, 1/2.87" Sensor Size, 1.22μm 4-in-1 Binning, F/2.2, 21mm Equivalent Focal Length, 90° Fov 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		Xiaomi HyperOS 3
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
Fabrication Node		3 nm
GPU	Mali-G78 MP14	Adreno 840
NPU		Qualcomm AI engine
Java	No	No
Browser	Yes	Yes

Multimedia

Email	Yes	Yes
Music	Yes	MP3, FLAC, APE, AAC, OGG, WAV, AMR, AWB
Video	Yes	MP4, MKV, WEBM, 3GP, TS, Supports HDR display when playing HDR10/HDR10+, Dolby Vision, HDR Vivid video content
FM Radio	No	No
Speaker Type		Stereo
Audio Features		Hi-Res & Hi-Res Audio Wireless certification, Dolby Atmos
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	5000 mAh, Li-Po Battery	6000 mAh
Fast Charging	Yes, 25W Fast Charging	Yes, 90W HyperCharge
Wireless Charging	Yes, 15W	Yes, 50W HyperCharge
Reverse Charging	Yes, 4.5W	Yes, 22.5W
Reverse Wireless Charging		Yes, 10W

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