Samsung Galaxy S21 Ultra vs Oppo Reno15 5G

Hide common features

Key Specifications

Processor	Samsung Exynos 2100	Qualcomm Snapdragon 7 Gen 4
Display	6.8", AMOLED, 120Hz	6.59", AMOLED, 120Hz
Camera	108MP+10MP+10MP+12MP/40MP (Front)	50MP+50MP+8MP/50MP (Front)
Battery	5000mAh, 25W	6500mAh, 80W
RAM	12GB	8GB
Storage	256GB	256GB
Processor	Samsung Exynos 2100	Qualcomm Snapdragon 7 Gen 4
Display	6.8", AMOLED, 120Hz	6.59", AMOLED, 120Hz
Camera	108MP+10MP+10MP+12MP/40MP (Front)	50MP+50MP+8MP/50MP (Front)
Battery	5000mAh, 25W	6500mAh, 80W
RAM	12GB	8GB
Storage	256GB	256GB

Top Recommendation

Recommended For	Performance, Gaming, Software, Design, Build Quality and Main Camera	Display, Multimedia and Battery
Recommended For	Performance, Gaming, Software, Design, Build Quality and Main Camera	Display, Multimedia and Battery

General

Colors	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy	Glacier White, Twilight Blue, Aurora Blue
Launch	January 14, 2021	January 08, 2026
Availability	January 29, 2021	January 13, 2026
Launch Price	₹1,05,999	₹45,999
Colors	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy	Glacier White, Twilight Blue, Aurora Blue
Launch	January 14, 2021	January 08, 2026
Availability	January 29, 2021	January 13, 2026
Launch Price	₹1,05,999	₹45,999

Display

Winner:Oppo Reno15 5G

Type	AMOLED	AMOLED
Refresh Rate	120 Hz	120 Hz
Features	HDR10+	HDR10+
Size	6.8 inches	6.59 inches
Resolution Width	1440 pixels	1256 pixels
Resolution Height	3200 pixels	2760 pixels
Resolution Ratio	20:9
Pixel Per Inch	515 ppi	460 ppi
Display Resolution	FHD+	1.5K
Peak Brightness	1500 nits	3600 nits
Type	AMOLED	AMOLED
Refresh Rate	120 Hz	120 Hz
Features	HDR10+	HDR10+
Size	6.8 inches	6.59 inches
Resolution Width	1440 pixels	1256 pixels
Resolution Height	3200 pixels	2760 pixels
Resolution Ratio	20:9
Pixel Per Inch	515 ppi	460 ppi
Display Resolution	FHD+	1.5K
Peak Brightness	1500 nits	3600 nits

Body

Winner:Samsung Galaxy S21 Ultra

Weight	227 grams	197 grams
Front	Gorilla Glass Victus	Gorilla Glass 7i
Back	Glass	Glass
Side	Aluminium Frame	Aluminium Frame
Build Quality	Corning Gorilla Glass Victus	Corning Gorilla Glass 7i
Port	USB Type-C 3.1 Gen 1	USB Type-C 2.0
IP rating	IP68 (Dust and Water Resistant)	IP66/68/69 (Dust and Water Resistant)
Speaker	Stereo Speakers	Stereo Speakers
Weight	227 grams	197 grams
Front	Gorilla Glass Victus	Gorilla Glass 7i
Back	Glass	Glass
Side	Aluminium Frame	Aluminium Frame
Build Quality	Corning Gorilla Glass Victus	Corning Gorilla Glass 7i
Port	USB Type-C 3.1 Gen 1	USB Type-C 2.0
IP rating	IP68 (Dust and Water Resistant)	IP66/68/69 (Dust and Water Resistant)
Speaker	Stereo Speakers	Stereo Speakers

Processor

Winner:Oppo Reno15 5G

Chipset Brand	Samsung	Qualcomm
Chipset Name	Exynos 2100	Snapdragon 7 Gen 4
CPU	Octa-core	Octa-core
GPU	Mali-G78 MP14	Adreno 722
Chipset Brand	Samsung	Qualcomm
Chipset Name	Exynos 2100	Snapdragon 7 Gen 4
CPU	Octa-core	Octa-core
GPU	Mali-G78 MP14	Adreno 722

Main Camera

Winner:Samsung Galaxy S21 Ultra

Camera Resolution	108 MP	50 MP
Camera Type	Wide-angle	Wide-angle
Camera 2 Resolution	10 MP	50 MP
Camera 2 Type	Periscope	Telephoto
Camera 3 Resolution	10 MP	8 MP
Camera 3 Type	Telephoto	Ultra-wide
Features	Auto-HDR, Laser AF, LED Flash, Panorama	Color Spectrum Sensor, Dual View, HDR, Hi-Res Mode, LED Flash, Panorama, PRO, Slow-Mo, Time-Lapse
Stabilization	OIS	OIS
Video	gyro-EIS, HDR10+, Stereo Sound Recording	gyro-EIS, HDR
Camera Resolution	108 MP	50 MP
Camera Type	Wide-angle	Wide-angle
Camera 2 Resolution	10 MP	50 MP
Camera 2 Type	Periscope	Telephoto
Camera 3 Resolution	10 MP	8 MP
Camera 3 Type	Telephoto	Ultra-wide
Features	Auto-HDR, Laser AF, LED Flash, Panorama	Color Spectrum Sensor, Dual View, HDR, Hi-Res Mode, LED Flash, Panorama, PRO, Slow-Mo, Time-Lapse
Stabilization	OIS	OIS
Video	gyro-EIS, HDR10+, Stereo Sound Recording	gyro-EIS, HDR

Operating System

Software Name	Android	Android
Software Skin	One UI	ColorOS
OS Updates(Years)	4 year(s)	5 year(s)
AI Features	Circle to Search	AI HyperBoost, AI LinkBoost
Software Name	Android	Android
Software Skin	One UI	ColorOS
OS Updates(Years)	4 year(s)	5 year(s)
AI Features	Circle to Search	AI HyperBoost, AI LinkBoost

Selfie Camera

Winner:Oppo Reno15 5G

Front Camera Resolution	40 MP	50 MP
Front Camera Type	Wide	Wide
Features	Face unlock, HdR	HDR Photos, Night mode, panorama, Portrait Mode, Time Lapse
Video	1080p@30fps, 4k@30/60fps	gyro-EIS, HDR, Time Lapse
Front Camera Resolution	40 MP	50 MP
Front Camera Type	Wide	Wide
Features	Face unlock, HdR	HDR Photos, Night mode, panorama, Portrait Mode, Time Lapse
Video	1080p@30fps, 4k@30/60fps	gyro-EIS, HDR, Time Lapse

Battery

Winner:Oppo Reno15 5G

Capacity	5000 mAh	6500 mAh
Battery Type	Lithium Ion	Lithium Polymer
Wireless Charging	true
Charging Speed	25 W	80 W
Capacity	5000 mAh	6500 mAh
Battery Type	Lithium Ion	Lithium Polymer
Wireless Charging	true
Charging Speed	25 W	80 W

Memory

Winner:Samsung Galaxy S21 Ultra

Storage	256 GB	256 GB
Storage type	UFS 3.1	UFS 3.1
RAM	12 GB	8 GB
RAM type	LPDDR5	LPDDR5X
Storage	256 GB	256 GB
Storage type	UFS 3.1	UFS 3.1
RAM	12 GB	8 GB
RAM type	LPDDR5	LPDDR5X

Network

Sim Slot	nano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by)	Dual nano-SIM (nano-SIM, dual stand-by)
Network	5G, GSM, LTE FDD, LTE TD, UMTS, WCDMA	5G, GSM, LTE, WCDMA
Sim Slot	nano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by)	Dual nano-SIM (nano-SIM, dual stand-by)
Network	5G, GSM, LTE FDD, LTE TD, UMTS, WCDMA	5G, GSM, LTE, WCDMA

Connectivity

Winner:Oppo Reno15 5G

WLAN	Wi-Fi 6E 802.11 a/b/g/n/ac/ax	Wi-Fi 6 802.11 a/b/g/n/ac/ax
Bluetooth	5.2	5.4
Positioning	BeiDou, GALILEO, GLONASS, GPS	A-GPS, Beidou, GALILEO, GLONASS, GPS, QZSS
NFC	Supported	-
Radio	FM Radio	-
WLAN	Wi-Fi 6E 802.11 a/b/g/n/ac/ax	Wi-Fi 6 802.11 a/b/g/n/ac/ax
Bluetooth	5.2	5.4
Positioning	BeiDou, GALILEO, GLONASS, GPS	A-GPS, Beidou, GALILEO, GLONASS, GPS, QZSS
NFC	Supported	-
Radio	FM Radio	-

Features

Fingerprint Scanner	Optical (under display)	Optical (under display)
Sensors	Accelerometer, Barometer Sensor, Geomagnetic Sensor, Gyroscope, Hall Sensor, Light Sensor, Proximity Sensor, Samsung DeX, Ultra Wideband (UWB) Support	Accelerometer, Ambient Light Sensor, E-Compass, Gyroscope, Infrared Sensor, Proximity Sensor
Fingerprint Scanner	Optical (under display)	Optical (under display)
Sensors	Accelerometer, Barometer Sensor, Geomagnetic Sensor, Gyroscope, Hall Sensor, Light Sensor, Proximity Sensor, Samsung DeX, Ultra Wideband (UWB) Support	Accelerometer, Ambient Light Sensor, E-Compass, Gyroscope, Infrared Sensor, Proximity Sensor

Popular Comparisons

OnePlus 15 front and back in Sand Storm

OnePlus 15

OnePlus 15R White Front and Back Mint Breeze

OnePlus 15R

Realme Narzo 90 front and back Victory Gold

Realme Narzo 90

Realme P4x 5G front and back in Matte Sliver

Realme P4x 5G

Vivo X300 front and back in Summit Red

Vivo X300

OnePlus 15 front and back in Sand Storm

OnePlus 15

POCO C85 5G front and back Mystic Purple

POCO C85 5G

Redmi 15C 5G front and back Dusk Purple

Redmi 15C 5G

Motorola Edge 60 Pro Pantone Sparking Grape Front and Back

Motorola Edge 60 Pro

Motorola Edge 70 PANTONE Bronze Green Front and Back

Motorola Edge 70

Apple iPhone 17 Pro Cosmic Orange Front and Back

Apple iPhone 17 Pro

Vivo X300 Pro front and back in Dune Gold

Vivo X300 Pro

OnePlus 13R Astral Trail Front and Back

OnePlus 13R

OnePlus 15R White Front and Back Mint Breeze

OnePlus 15R

Oppo Reno15 Pro 5G Sunset Gold Front and Back

Oppo Reno15 Pro 5G

Realme 16 Pro Plus front and back in Master Gold

Realme 16 Pro Plus

iQOO 15 Legend Front and Back

iQOO 15

Oppo Find X9 front and back in Titanium Grey

Oppo Find X9

OnePlus 15 front and back in Sand Storm

OnePlus 15

Apple iphone 17 Mist Blue Front and Back

Apple iPhone 17

OnePlus 15

OnePlus 15R

Realme Narzo 90

Realme P4x 5G

Vivo X300

OnePlus 15

POCO C85 5G

Redmi 15C 5G

Motorola Edge 60 Pro

Motorola Edge 70

Apple iPhone 17 Pro

Vivo X300 Pro