Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Oppo Find X9 Pro 5G

Here you can compare Samsung Galaxy S21 Ultra 5G (12GB RAM … and Oppo Find X9 Pro 5G. Comparing Samsung Galaxy S21 Ultra 5G (12GB RAM … vs Oppo Find X9 Pro 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 (12GB RAM … stands against Oppo Find X9 Pro 5G 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 Oppo Find X9 Pro 5G is ₹1,09,999. The details of both of these products were last updated on Nov 19, 2025.

Specification	Samsung Galaxy S21 Ultra 5G (12GB RAM …	Oppo Find X9 Pro 5G
Internal Memory	128 GB	512 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/1.5 (Wide Angle) 23mm (wide), 1/1.28", 1.22µm, multi-directional PDAF, OIS 200 MP ƒ/2.1 (Telephoto) 70mm (periscope telephoto), 1/1.56", 0.5µm, 3x optical zoom, multi-directional PDAF, OIS 50 MP ƒ/2 (Ultra Wide) 15mm, 120˚ (ultrawide), 1/2.76", 0.64µm, multi-directional PDAF
CPU	2.9 GHz, Octa Core Processor	4.21 GHz, Octa Core Processor
Display	6.8 inches, 1440 x 3200 pixels, 120 Hz	6.78 inches, 1272 x 2772 pixels, 120 Hz
Battery	5000 mAh, Li-Po Battery	7500 mAh, Si/C Li-Ion
Price	₹1,01,999	₹1,09,999

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

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Oppo Find X9 Pro 5G₹1,09,999

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

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Oppo Find X9 Pro 5G₹1,09,999

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Overview

Specs Score	91 / 100	95 / 100 Better Specs
Display Resolution	1440 x 3200 pixels Better Resolution	1272 x 2772 pixels
RAM	12 GB	16 GB More RAM
Storage	128 GB	512 GB More Storage
CPU Clock Speed	2.9 GHz	4.21 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	7500 mAh Bigger Battery
Unique Features	No	IR Blaster

General

Model	Galaxy S21 Ultra 5G	CPH2791
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
SAR		1.14 W/kg (Head) 0.41 W/kg (Body)
Device Type	Smartphone	Smartphone
Release Date	January 14, 2021	October 16, 2025
In The Box		Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Protective Case x 1

Design

Dimensions	75.6 x 165.1 x 8.9 mm	76.5 x 161.3 x 8.3 mm
Weight	227 g	224 g
Bezel less		Yes
Colors		Silk White \| Titanium Charcoal

Display

Type	Color Dynamic AMOLED 2X (16M Colors)	Color LTPO AMOLED Screen (1B Colors)
Touch	Yes	Yes
Size	6.8 inches, 1440 x 3200 pixels, 120 Hz	6.78 inches, 1272 x 2772 pixels, 120 Hz
Aspect Ratio	20:9	20:9
PPI	~ 515 PPI	~ 450 PPI
Screen to Body Ratio	~ 89.8%	~ 91.1%
Glass Type	Corning Gorilla Glass Victus	Corning Gorilla Glass
Brightness		1800 nits (HBM), 3600 nits (peak)
Features	Always-on Display, HDR10+	2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid
Notch	Yes, Punch Hole	Yes, Punch Hole
Curved Display		Yes

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		NR: n1/n2/n3/n5/n7/n8/n12/n20/n25/n26/n28/n38/n40/n41/n48/n66/n71/n75/n76/n77/n78/n79
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version		Wi-Fi 7 (802.11be) supported, Wi-Fi 6 (802.11ax) supported, Wi-Fi 5 (802.11ac) supported, 802.11a/b/g/n supported, Wi-Fi Display supported, WLAN Tethering supported, Wi-Fi 2.4GHz 2 × 2 + Wi-Fi 5GHz 2 × 2 concurrent supported, Wi-Fi 5GHz 160MHz supported, Wi-Fi 6GHz 320MHz supported, 2 × 2 MIMO supported
Bluetooth	Yes, v5.2, A2DP, LE	Yes, v6.0, SBC, AAC, LDAC, aptX, aptX HD, LHDC 5.0
USB	Yes, USB-C v3.2	Yes, USB-C v3.2
USB Features	USB on-the-go, USB Charging	USB on-the-go, USB Charging
IR Blaster		Yes

Extra

GPS	Yes, with A-GPS, GLONASS, BDS, GALILEO	GPS (L1 + L5), GLONASS (G1), BDS (B1I + B1C + B2a + B2b), Galileo (E1 + E5a + E5b), QZSS (L1 + L5), NavIC (L5)
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Accelerometer, Gyro, Proximity, Compass, Barometer	Proximity, Ambient Light, Color Temperature Sensor, E-compass, Accelerometer, Gyroscope, In-display ultrasound fingerprint sensor, Hall Sensor, Laser focusing Sensor, Spectral Sensor, Infrared Remote Control
3.5mm Headphone Jack	No	No
NFC	Yes	Yes
AI Features		Gemini, AI Recording, AI Writer
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		Satellite 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/1.5 (Wide Angle) 23mm (wide), 1/1.28", 1.22µm, multi-directional PDAF, OIS 200 MP ƒ/2.1 (Telephoto) 70mm (periscope telephoto), 1/1.56", 0.5µm, 3x optical zoom, multi-directional PDAF, OIS 50 MP ƒ/2 (Ultra Wide) 15mm, 120˚ (ultrawide), 1/2.76", 0.64µm, multi-directional PDAF
OIS	Yes	Yes
Auto Focus	Yes	Yes
Features	Auto-HDR, Panorama	Photo, Video, Portrait, Night, PANO, Pro Video, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, STICKER, XPAN, Hasselblad Hi-Res, Google Lens, Underwater, Master, Text Scanner, Doc Scanner, Hasselblad Color Calibration
Video Recording	8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD	4K @ 120/60 fps UHD, 1080p
Flash	Yes, LED	Yes, LED
Front Camera	40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus	50 MP ƒ/2 (Wide Angle) Punch Hole
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		ColorOS 16
Chipset	Samsung Exynos 2100	Mediatek Dimensity 9500
CPU	2.9 GHz, Octa Core Processor	4.21 GHz, Octa Core Processor
Core Details	1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55	1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro
GPU	Mali-G78 MP14	Arm G1-Ultra
Java	No	No
Browser	Yes	Yes, supports HTML5

Multimedia

Email	Yes	Yes
Music	Yes	Yes
Video	Yes	Yes
FM Radio	No	No
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	5000 mAh, Li-Po Battery	7500 mAh, Si/C Li-Ion
Fast Charging	Yes, 25W Fast Charging	Yes, 80W Fast Charging
Wireless Charging	Yes, 15W	Yes, 50W
Reverse Charging	Yes, 4.5W	Yes, 10W

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