Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB) vs Samsung Galaxy S3 Slim Duos (SM-G3812B)
Side by side comparison between Samsung Galaxy S21 FE vs Samsung Galaxy S3 Slim phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
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!
13 Common items in both devices |
16 million |
LED flash |
PDAF: phase detection autofocus / Autofocus |
Capacitive |
Multitouch |
Accelerometer |
Ambient light sensor |
+6 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 | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Model | Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) |
Other model names | Galaxy S21 FE 5G SM-G990B/Dual-SIM (Exynos) | Galaxy S3 Slim G3812B, Samsung Galaxy Win Pro |
Country or region available | Philippines, India, Malaysia, Thailand | Brazil |
Brand | Samsung | Samsung |
Release date | 1/7/2022, Announced: 1/4/2022 | 3/1/2014 |
Depth | 7.9 millimeters (0.31 inches) | 9.7 millimeters (0.38 inches) |
Size (width x height) | 74.5 x 155.7 millimeters (2.93 x 6.13 in) | 66 x 133 millimeters (2.6 x 5.24 in) |
Weight | 177 grams (6.2 ounces) | 139 grams (4.87 ounces) |
Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
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-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Display type | Dynamic AMOLED | TFT LCD |
Screen size | 6.4" inches | 4.5" inches |
Screen-to-body ratio | ~85.3% (screen-to-body ratio) | ~63.6% (screen-to-body ratio) |
Display resolution | 1080x2400 pixels (20:9) | 540x960 pixels |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
Pixel density (dot pitch) | 411 PPI | 245 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass Victus | Not supported |
Refresh rate | 120Hz | feature not registered |
Display features | 1300nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
System version | Android 12 | Android 4.2.2 Jelly Bean |
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-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Chipset | 64bit: Samsung Exynos 2100 (5nm) | 32bit: Qualcomm Snapdragon 200 MSM8225Q |
CPU | 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) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A5 (Quad-core) |
GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | Qualcomm Adreno 203 |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
RAM memory | 8GB LPDDR5 | 1GB LPDDR2 |
Internal storage | 128GB (97GB available) UFS 3.1 | 8GB (5GB available) |
External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
Maximum Download / Upload | 2000/1024 Mbps | 21/5.76 Mbps |
Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
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 | GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/1900/2100 |
Primary 4G network | LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
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, UMTS, HSDPA, HSUPA, HSPA+ |
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-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
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 | 5 megapixels |
Main camera resolution | 4032x3024 pixels | 2592x1944 pixels |
Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.8 (aperture) | feature not registered |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/1.76" inches | feature not registered |
Pixel size | 1.8µm pixel | feature not registered |
Autofocus | PDAF: phase detection autofocus | Autofocus |
Touch focus | Supported | Supported |
Image stabilization | OIS: Optical stabilization | EIS: Digital 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 only main camera |
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-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Front camera (secondary) | 32 megapixels | 0.3 megapixels |
Front camera resolution | 6528x4896 pixels | 640x480 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | VGA (640x480) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | feature not registered |
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-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
Active noise cancellation | 2 microphones or more | Not supported |
Radio | Not supported | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
Audio output | Type-C reversible connector | 3.5mm jack |
TV output | USB Type-C SlimPort® | Not supported |
Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
DLNA | Supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
NFC | Supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
Battery capacity | 4500 mAh | 2100 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-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
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: Black, White • Samsung TouchWiz UX • Java framework |
☢️ Radiation rate | ||
Galaxy S21 FE (SM-G990E/DS 128GB/8GB) | Galaxy S3 Slim Duos (SM-G3812B) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.65W/kg (head), 1.19W/kg (body) | 0.61W/kg (head), 1.13W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.93W/kg (head), 1.319W/kg (body) | 0.553W/kg (head), 0.395W/kg (body) |