LG Optimus 3D (P920H) vs Samsung Galaxy S21 FE (SM-G9900 128GB)

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Side by side comparison between LG Optimus 3D vs Samsung Galaxy S21 FE phones, differences, pros, cons and full specifications. What's the better?

1/19/2022 5:14 PM, updated: 5/19/2025 11:24 AM

Compare Samsung Galaxy S21 FE X LG Optimus 3D (P920H) 04Points

Specifications Compare Models Pictures

4.3"
TFT

480x800

5
MP

0.3mp

512MB
RAM

Dual-core

1500
mAh

(Removable)

35Points Samsung Galaxy S21 FE (SM-G9900 128GB) Compare LG Optimus 3D X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

12.2
MP

32mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G9900 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!

4 Advantages LG Optimus 3D (P920H)	vs	35 Advantages Samsung Galaxy S21 FE (SM-G9900 128GB)
+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards	vs	Not supported
+168 grams (5.88 ounces)5% Lighter	vs	177 grams (6.2 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
1GHz 32bit Dual-core (45nm)	vs	+2.9GHz 64bit Octa-core (5nm)4 times More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+8GB LPDDR515 times More RAM memory. Typically more responsive and better for multitasking.
8GB (5GB available)	vs	+128GB (97GB available)18 times More internal storage for applications and files
11.9 millimeters (0.47 inches)	vs	+7.9 millimeters (0.31 inches)51% Thinner
Plastic body, glass front	vs	+Aluminum body, glass front, plastic backAdvantage More resistant material
TFT LCD	vs	+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid
Not supported	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
480x800 pixels	vs	+1080x2400 pixels6 times Higher resolution screen
217 PPI	vs	+411 PPI89% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.3"	vs	+6.4"49% Larger screen
(dual camera) 5MP + 5MP	vs	+(triple camera) 12.2MP + 12MP + 8MP2 times Higher resolution main camera
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
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supported	vs	+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 0.3MP	vs	+(front) 32MP103 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
Android 4.0.1 Ice Cream Sandwich ICS	vs	+Android 15Advantage Android 15 is newer and safer
3G+ HSPA+	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(3G+ HSPA+) 14.4 Mbps	vs	+(5G SA/NSA) 2000 Mbps138 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (under display)Advantage Sensors help you use the device
1500 mAh	vs	+4500 mAh2 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
3.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash player	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

16 Common items in both devices

16 million

LED flash

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+9 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
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Change model		Choose the model
Model	Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Other model names	LG Optimus 3D P920, LG-P920h, LGP920h	Galaxy S21 FE 5G SM-G9900 Dual-SIM (Exynos)
Country or region available	(Latin America), Brazil	China
Brand	LG	Samsung
Release date	6/17/2011	1/7/2022, Announced: 1/4/2022
Depth	11.9 millimeters (0.47 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	68 x 128.8 millimeters (2.68 x 5.07 in)	74.5 x 155.7 millimeters (2.93 x 6.13 in)
Weight	168 grams (5.88 ounces)	177 grams (6.2 ounces)
Build, materials	Plastic body, glass front	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
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Display type	TFT LCD	Dynamic AMOLED
Screen size	4.3" inches	6.4" inches
Screen-to-body ratio	~60.1% (screen-to-body ratio)	~85.3% (screen-to-body ratio)
Display resolution	480x800 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	217 PPI	411 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	Not supported	1300nits[peak] HDR10+ Always-On Display
🤖 Operating System
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
System version	Android 2.2.2 Froyo	Android 12
Firmware update	Android 4.0.1 Ice Cream Sandwich ICS	Android 15
User Interface	feature not registered	One UI 4.1 / 5.1 / 6.0 / 7.0
⚙️ Processor
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Chipset	32bit: Texas Instruments OMAP 4430 (45nm)	64bit: Samsung Exynos 2100 (5nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-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	PowerVR SGX540 MP1 (365MHz)	ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
RAM memory	512MB LPDDR2	8GB LPDDR5
Internal storage	8GB (5GB available)	128GB (97GB available) UFS 3.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Not supported
📶 Mobile networks
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	14.4/5.76 Mbps	2000/1024 Mbps
Network technology	2G, 3G	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	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/1900/2100	CDMA2000 1xEV-DO UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Back camera (main camera)	(dual camera) 5 megapixels 5MP 3D AF	(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
Main camera resolution	2560x1920 pixels	4032x3024 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/1.76" inches
Pixel size	feature not registered	1.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
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	Not supported	Supported
HDR	Not supported	HDR photo/video on both cameras
Camera extras	feature not registered	4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)
📸 Front camera
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Front camera (secondary)	0.3 megapixels	32 megapixels
Front camera resolution	640x480 pixels	6528x4896 pixels
Video recording (secondary)	Not supported	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.74" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Loudspeaker	Supported	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	Not supported	2 microphones
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, DivX, XviD, H.264, H.263, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
USB	MicroUSB 2.0	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Micro HDMI Type D	USB Type-C SlimPort®
Bluetooth	3.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
Battery type	Li-Ion: lithium-ion (Removable) FL53HN	LiPo: li-ion polymer (Non removable)
Battery capacity	1500 mAh	4500 mAh
Charger, watts	Wired charging	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	Not supported	15W Qi wireless charging 4.5W Reverse wireless charging
Talk time autonomy	4 hours	feature not registered
Standby	96 hours (4 days)	feature not registered
➕ Other features
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
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, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White • 3D display • 3MP 3D capture • 720p 30fps 3D video capture • LG Optimus UI 2.0 • HDMI 1.4 • WiFi hotspot • Java framework	• Colors: Graphite, White, Lavender, Olive
☢️ Radiation rate
	LG Optimus 3D (P920H)	Galaxy S21 FE (SM-G9900 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.674W/kg (head), 1.501W/kg (body)