Samsung Galaxy S21 FE (SM-G990U 128GB) vs Oppo Find X (128GB)

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

1/20/2022 6:10 PM, updated: 11/21/2023 5:15 AM

Compare Oppo Find X X Samsung Galaxy S21 FE (SM-G990U 128GB) 22Points

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

12.2
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

05Points Oppo Find X (128GB) Compare Samsung Galaxy S21 FE X

Specifications Compare Models Pictures

6.42"
AMOLED

1080x2340

16
MP

25mp

8GB
RAM

Octa-core

3730
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G990U 128GB)

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!

22 Advantages Samsung Galaxy S21 FE (SM-G990U 128GB)	vs	5 Advantages Oppo Find X (128GB)
+2.84GHz 64bit Octa-core (5nm)6% More powerful processor, you can open your applications faster	vs	2.8GHz 64bit Octa-core
+177 grams (6.2 ounces)5% Lighter	vs	186 grams (6.51 ounces)
+7.9 millimeters (0.31 inches)19% Thinner	vs	9.4 millimeters (0.37 inches)
+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid	vs	AMOLED
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+411 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	401 PPI
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+1/1.76" inches48% The larger sensor camera lets you take photos with better depth.	vs	1/2.6" inches
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 32MP28% Higher resolution secondary camera to take pictures and selfies	vs	(front) 25MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 14Advantage Android 14 is newer and safer	vs	Android 8.1 Oreo
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps95% Faster for surfing the internet and download files	vs	(4G LTE-A) 1024 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+4500 mAh21% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3730 mAh
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C reversible connector
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
6GB LPDDR5	vs	+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
128GB (97GB available)	vs	+128GB (110GB available)13% More internal storage for applications and files
6.4"	vs	+6.42"1% Larger screen
(triple camera) 12.2MP + 12MP + 8MP	vs	+(dual camera) 16MP + 20MP12% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light

20 Common items in both devices

16 million

PDAF: phase detection autofocus

OIS: Optical stabilization

HDR photo/video on both cameras / HDR photo on both cameras

4K UHD (3840x2160)

Capacitive

Multitouch

+13 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
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Change model		Choose the model
Model	Galaxy S21 FE (SM-G990U 128GB)	Find X (128GB)
Other model names	Galaxy S21 FE 5G SM-G990U1 (Snapdragon)	BBK Oppo Find X PAFM00, Oppo Find X PAFT00
Country or region available	USA	(Global, International), China, Hong Kong
Brand	Samsung	Oppo
Release date	1/7/2022, Announced: 1/4/2022	7/1/2018
Depth	7.9 millimeters (0.31 inches)	9.4 millimeters (0.37 inches)
Size (width x height)	74.5 x 155.7 millimeters (2.93 x 6.13 in)	74.2 x 156.7 millimeters (2.92 x 6.17 in)
Weight	177 grams (6.2 ounces)	186 grams (6.51 ounces)
Build, materials	Aluminum body, glass front, plastic back	feature not registered
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Display type	Dynamic AMOLED	AMOLED
Screen size	6.4" inches	6.42" inches
Screen-to-body ratio	~85.3% (screen-to-body ratio)	~87% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	411 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 5
Refresh rate	120Hz	feature not registered
Display features	1300nits[peak] HDR10+ Always-On Display	feature not registered
🤖 Operating System
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
System version	Android 12	Android 8.1 Oreo
Firmware update	Android 14	feature not registered
User Interface	One UI 4.1 / 5.1 / 6.0	feature not registered
⚙️ Processor
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Chipset	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)
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, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	Qualcomm Adreno 630 710Mhz
Performance (benchmark)	AnTuTu: 566529 (v8), 719696 (v9) Geekbench: 3049 (v5.1) GFXBench: 56fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
RAM memory	6GB LPDDR5	8GB LPDDR4X
Internal storage	128GB (97GB available) UFS 3.1	128GB (110GB available)
External storage	Not supported	Not supported
📶 Mobile networks
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/1024 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
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	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat16 (Bands 1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,28,29,32,66) TD-LTE (Bands 34,38,39,40,41)
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79)	Not supported
Primary data network	GPRS, EDGE, 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
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE
📷 Camera
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Back camera (main camera)	(triple camera) 12.2 megapixels 12MP ultrawide f/2.2123°13mm1/3"1.12µm 8MP telephoto f/2.476mm1/4.5"1.0µmPDAFOIS3x-optical-zoom	(dual camera) 16 megapixels 20MP f/2.01/2.8"1.0µm
Main camera resolution	4032x3024 pixels	4608x3456 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/1.76" inches	1/2.6" inches
Pixel size	1.8µm pixel	1.22µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)	feature not registered
📸 Front camera
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Front camera (secondary)	32 megapixels	25 megapixels
Front camera resolution	6528x4896 pixels	5760x4320 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/2.74" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, DivX, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	Type-C reversible connector	Type-C reversible connector
TV output	USB Type-C SlimPort®	Not supported
Bluetooth	5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4500 mAh	3730 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	Wired charging
Inductive / wireless charging	15W Qi wireless charging 4.5W Reverse wireless charging	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Graphite, White, Lavender, Olive	• Colors: Bordeaux Red, Glacier Blue • USB OTG On-The-Go • Aluminum frame • Front/back glass (Gorilla Glass 5) • ColorOS 5.1 UI • Face recognition • Fast battery charging 5V/4A (20W) • VOOC Flash Charge • Automatic Pop-up camera • 1080p@240fps slow motion
☢️ Radiation rate
	Galaxy S21 FE (SM-G990U 128GB)	Oppo Find X (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.77W/kg (head), 0.9W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered