Samsung Star II Duos (GT-C6712) vs Samsung Galaxy S21 FE (SM-G990E/DS 128GB/6GB)
Side by side comparison between Samsung Star II Duos vs Samsung Galaxy S21 FE phones, differences, pros, cons and full specifications. What's the better?
,
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-G990E/DS 128GB/6GB)
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!
5 Advantages 
36 Advantages | 4 Common items in both devices |
| Capacitive |
| Accelerometer |
| Proximity sensor |
| 2 slots (Dual-SIM) |
| + 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 | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Change model | ||
| Model | Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) |
| Other model names | Samsung Star 2 Duos C6712, Samsung Star Duos 2 | Galaxy S21 FE 5G SM-G990B/Dual-SIM (Exynos) |
| Country or region available | feature not registered |   (Latin America), Brazil |
| Brand | Samsung | Samsung |
| Release date | 5/25/2011 | 1/7/2022, Announced: 1/4/2022 |
| Depth | 12.2 millimeters (0.48 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 56 x 109.5 millimeters (2.2 x 4.31 in) | 74.5 x 155.7 millimeters (2.93 x 6.13 in) |
| Weight | 100 grams (3.5 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 | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Display type | TFT LCD | Dynamic AMOLED |
| Screen size | 3.2" inches | 6.4" inches |
| Screen-to-body ratio | ~47.5% (screen-to-body ratio) | ~85.3% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Single touch 1-point | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 146 PPI | 411 PPI |
| Colors | 260 thousand | 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 | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| System version | Proprietary OS | Android 12 |
| Firmware update | feature not registered | Android 14 |
| User Interface | feature not registered | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Chipset | 32bit | 64bit: Samsung Exynos 2100 (5nm) |
| CPU | Single-core, 1 processor: Single-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 | feature not registered | ARM Mali-G78 MP14 (854MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| RAM memory | feature not registered | 6GB LPDDR5 |
| Internal storage | 20MB | 128GB (97GB available) UFS 3.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.236 Mbps | 2000/1024 Mbps |
| Network technology | 2G | 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 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | 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 | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | 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 | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| 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) | QVGA (320x240) 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 | Not supported | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Not supported | 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 | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| 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 | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| 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 | 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 | Not supported | Supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 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 | 10 hours | feature not registered |
| Standby | 550 hours (22.9 days) | feature not registered |
➕ Other features | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Samsung TouchWiz UI 3.0 • Dolphin 2.0 browser • Facebook, Twitter • Word, Excel, PowerPoint, PDF viewer • Java framework | • Colors: Graphite, White, Lavender, Olive |
☢️ Radiation rate | ||
| Samsung Star II Duos (GT-C6712) | Galaxy S21 FE (SM-G990E/DS 128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.65W/kg (head), 1.19W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.93W/kg (head), 1.319W/kg (body) |