LG Optimus S (LS670) vs Samsung Galaxy S21 FE (SM-G990U 128GB)
Side by side comparison between LG Optimus S vs Samsung Galaxy S21 FE phones, differences, pros, cons and full specifications. What's the better?
,
3.2"
TFT
TFT
320x480
3.1
MP
MP
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
6.4"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4500
mAh
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!
4 Advantages 
31 Advantages | 8 Common items in both devices |
| 16 million |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| + 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 Clear highlight📱 Model features | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Change model | ||
| Model | Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) |
| Other model names | Sprint LG Optimus S LS670, LG LS670 | Galaxy S21 FE 5G SM-G990U1 (Snapdragon) |
| Country or region available |  USA | USA |
| Brand | LG | Samsung |
| Release date | 11/8/2010 | 1/7/2022, Announced: 1/4/2022 |
| Depth | 13.2 millimeters (0.52 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 58.9 x 113.5 millimeters (2.32 x 4.47 in) | 74.5 x 155.7 millimeters (2.93 x 6.13 in) |
| Weight | 130 grams (4.55 ounces) | 177 grams (6.2 ounces) |
| Build, materials | feature not registered | 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 S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Display type | TFT LCD | Dynamic AMOLED |
| Screen size | 3.2" inches | 6.4" inches |
| Screen-to-body ratio | ~45.6% (screen-to-body ratio) | ~85.3% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 180 PPI | 411 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| System version | Android 2.2.2 Froyo | Android 12 |
| Firmware update | Android 2.3.3 Gingerbread | Android 14 |
| User Interface | feature not registered | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 MSM7627 | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | 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) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 566529 (v8), 719696 (v9) Geekbench: 3049 (v5.1) GFXBench: 56fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| RAM memory | 512MB | 6GB LPDDR5 |
| Internal storage | 512MB (140MB available) | 128GB (97GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | Not supported | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.153 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | UMTS 850/900/1700/1900/2100 |
| 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 | CDMA2000 EV-DO Rev A | GPRS, EDGE, 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 850/900/1700/1900/2100 |
| 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 S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Back camera (main camera) | 3.1 megapixels | (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 | 2048x1536 pixels | 4032x3024 pixels |
| Video recording (primary) | VGA (640x480) 15 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Not supported | 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 | feature not registered | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | 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 S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Front camera (secondary) | Not supported | 32 megapixels |
| Front camera resolution | Not supported | 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 S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.263, H.264, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 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 | Not supported | USB Type-C SlimPort® |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) LGIP-400N | 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 | feature not registered | 15W Qi wireless charging 4.5W Reverse wireless charging |
| Talk time autonomy | 5 hours | feature not registered |
| Standby | 200 hours (8.3 days) | feature not registered |
➕ Other features | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Gray • 2GB microSD included • LG 3Way Sync • HAC (M4/T4) • WiFi hotspot • Java framework | • Colors: Graphite, White, Lavender, Olive |
☢️ Radiation rate | ||
| LG Optimus S (LS670) | Galaxy S21 FE (SM-G990U 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.77W/kg (head), 0.9W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |