OnePlus 9 (LE2115 128GB) vs Samsung Galaxy S21

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Side by side comparison between OnePlus 9 vs Samsung Galaxy S21 phones, differences, pros, cons and full specifications. What's the better?

9/10/2022 4:52 PM, updated: 11/21/2023 5:02 AM

Compare Samsung Galaxy S21 X OnePlus 9 (LE2115 128GB) 10Points

Specifications Compare Models Pictures

6.55"
AMOLED

1080x2400

48
MP

16mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

14Points Samsung Galaxy S21 Compare OnePlus 9 X

Specifications Compare Models Pictures

6.2"
AMOLED

1080x2400

12.2
MP

10mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

10 Advantages OnePlus 9 (LE2115 128GB)	vs	14 Advantages Samsung Galaxy S21
+2.84GHz 64bit Octa-core (5nm)5% More powerful processor, you can open your applications faster	vs	2.9GHz 64bit Octa-core (5nm)
+1 billion62 times More colors on the screen is better quality images and videos	vs	16 million
+6.55"6% Larger screen	vs	6.2"
+(triple camera) 48MP + 50MP + 2MP13% Higher resolution main camera	vs	(triple camera) 12.2MP + 64MP + 12MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+1/1.43" inches23% The larger sensor camera lets you take photos with better depth.	vs	1/1.76" inches
+(front) 16MP59% Higher resolution secondary camera to take pictures and selfies	vs	(front) 10MP
+4500 mAh13% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
+65W160% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.	vs	25W
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
192 grams (6.72 ounces)	vs	+169 grams (5.92 ounces)14% Lighter
8.7 millimeters (0.34 inches)	vs	+7.9 millimeters (0.31 inches)10% Thinner
Plastic body, glass front/back	vs	+Aluminum body, glass front, plastic backAdvantage More resistant material
402 PPI	vs	+424 PPI5% Crisper display of text, images and videos because it has more pixels per inch (ppi)
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 13	vs	+Android 14Advantage Android 14 is newer and safer
(5G SA/NSA) 2000 Mbps	vs	+(5G Sub6) 5000 Mbps150% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
1 slot (Single-SIM)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
USB 3.1 Type-C, USB OTG On-The-Go	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

31 Common items in both devices

8GB LPDDR5

128GB (101GB available) / 128GB (104GB available)

UFS 3.1

Fluid AMOLED / Dynamic AMOLED

HDR10+

120Hz

1080x2400 pixels

+24 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Change model
Model	OnePlus 9 (LE2115 128GB)	Galaxy S21
Other model names	OnePlus 9 5G LE2115 (Unlocked), BBK Lemonade	Galaxy S21 5G SM-G991B/DS
Country or region available	Canada, USA	(Global, International)
Brand	OnePlus	Samsung
Release date	3/26/2021, Announced: 3/23/2021	1/29/2021, Announced: 1/14/2021
Depth	8.7 millimeters (0.34 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	74.2 x 160 millimeters (2.92 x 6.3 in)	71.2 x 151.7 millimeters (2.8 x 5.97 in)
Weight	192 grams (6.72 ounces)	169 grams (5.92 ounces)
Build, materials	Plastic body, glass front/back	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Display type	Fluid AMOLED	Dynamic AMOLED
Screen size	6.55" inches	6.2" inches
Screen-to-body ratio	~87.2% (screen-to-body ratio)	~85.9% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	402 PPI	424 PPI
Colors	1 billion	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass Victus
Refresh rate	120Hz	120Hz
Display features	1100nits[peak] HDR10+ Always-On Display	1300nits[peak] HDR10+ Always-On Display
🤖 Operating System
	OnePlus 9 (LE2115 128GB)	Galaxy S21
System version	Android 11	Android 11
Firmware update	Android 13	Android 14
User Interface	OxygenOS 12 / 13	One UI 3.1 / 4.1 / 5.1 / 6.0
⚙️ Processor
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Chipset	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)	64bit: Samsung Exynos 2100 (5nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)	Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	OnePlus 9 (LE2115 128GB)	Galaxy S21
RAM memory	8GB LPDDR5	8GB LPDDR5
Internal storage	128GB (101GB available) UFS 3.1	128GB (104GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	2000/1024 Mbps	5000/1920 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800/1900, GSM 850/900/1800/1900	CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1800/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE	LTE Cat24 () TD-LTE () VoLTE
Primary 5G network	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78)	SA/NSA/Sub6 ()
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat24 () TD-LTE () VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Back camera (main camera)	(triple camera) 48 megapixels 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4	(triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady-video
Main camera resolution	8000x6000 pixels	4032x3024 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	8K UHD (7680x4320) 24 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	23mm lens	26mm lens
Sensor size	1/1.43" inches	1/1.76" inches
Pixel size	1.12µm pixel	1.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo/video on both cameras	HDR photo/video on both cameras
Camera extras	4K@30/60fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor	4K@60fps 1080p@240fps 720p@960fps
📸 Front camera
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Front camera (secondary)	16 megapixels	10 megapixels
Front camera resolution	4608x3456 pixels	3872x2592 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/3.06" inches	1/3.24" inches
Pixel size	1µm pixel	1.22µm pixel
🔉 Sound and multimedia
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Loudspeaker	Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	OnePlus 9 (LE2115 128GB)	Galaxy S21
USB	USB 3.1 Type-C, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.2 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4500 mAh	4000 mAh
Charger, watts	65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0	25W Wired fast charging USB Power Delivery 3.0
Inductive / wireless charging	15W Qi Wireless charging (Qi/WPC)	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	OnePlus 9 (LE2115 128GB)	Galaxy S21
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Astral Black, Arctic Sky, Winter Mist	• Colors: Phantom Gray, White, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX
☢️ Radiation rate
	OnePlus 9 (LE2115 128GB)	Galaxy S21
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.456W/kg (head), 1.509W/kg (body)