📱 Model features |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Model | Idol 3 4.7 (6039A 16GB) | W21 5G |
| Other model names | Alcatel OneTouch Idol 3 6039A, Alcatel Idol 3 6039A 4.7'' | 三星W21 5G SM-W2021 (China Telecom edition) |
| Country or region available | feature not registered | 
China |
| Brand | Alcatel | Samsung |
| Release date | 6/1/2015 | 11/1/2020 |
| Depth | 7.5 millimeters (0.3 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 65.9 x 134.6 millimeters (2.59 x 5.3 in) | 128.2 x 159.2 millimeters (5.05 x 6.27 in) |
| Weight | 110 grams (3.85 ounces) | 282 grams (9.87 ounces) |
| Build, materials | feature not registered | Aluminum frame, flexible plastic screen, glass back |
| Protection against water and others | Not supported | Not supported |
🤖 Operating System |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| System version | Android 5.0.2 Lollipop | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Chipset | 64bit - Qualcomm Snapdragon 410 MSM8916 (28nm) | 64bit - Qualcomm Snapdragon 865+ (SM8250-AB) (7nm) |
| CPU | Quad-Core, 1 processor:
1.2GHz Quad-Core ARM Cortex-A53 | Octa-Core, 3 processors:
3.09GHz Single-Core Kryo 585
2.42GHz Triple-Core Kryo 585
1.8GHz Quad-Core Kryo 585 |
| GPU graphical controller | Qualcomm Adreno 306 450Mhz | Qualcomm Adreno 650 (250-646MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| RAM memory | 1.5GB LPDDR3 | 12GB LPDDR5 |
| Internal storage | 16GB (12GB available)
eMMC 4.5 | 512GB (455GB available)
UFS 3.1 |
| External storage | Until 128GB microSD, microSDXC
(dedicated slot) | Not supported |
📲 Display |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Display type | TFT IPS LCD | Flexible Super AMOLED |
| Screen size | 4.7" inches | 7.6" inches |
| Screen-to-body ratio | ~68.7% (screen-to-body ratio) | ~89.1% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1768x2208 pixels |
| Touchscreen | Capacitive Multitouch 5-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 312 PPI | 372 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 | HDR10+ |
📶 Mobile networks |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM)
micro-SIM (3FF) | 2 slots (Dual-SIM)
nano-SIM (4FF) |
| Maximum download/upload | 150/50 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band detailsCollapse 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 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 700/1700/1900/2100/2600 (Bands 1,2,4,7,28) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE |
| Primary 5G network | Not supported | Sub6 (1, 28, 41, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G 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 | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Back camera (main camera) | 13 megapixels | (triple camera)
12.2 megapixels
12MP telephotof/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom
12MP ultrawidef/2.2123°12mm1.12µm |
| Main camera resolution | 4128x3096 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | 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 | feature not registered | 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 | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Front camera (secondary) | 5 megapixels | 10 megapixels |
| Front camera resolution | 2592x1944 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 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 | 1/3" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| 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 (reversible) |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n (2.4Ghz)
WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Sensors | Accelerometer
Ambient Light sensor
Compass
Proximity sensor | Accelerometer
Ambient Light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 2000 mAh | 4500 mAh |
| Charger, watts | Standard charging | 25W Fast battery charging
Reverse charging USB between devices
11W WPC/Qi Wireless charging
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0 |
| Talk time autonomy | 16 hours | 31 hours (1.3 days) |
| Standby | 500 hours (20.8 days) | feature not registered |
➕ Other features |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| Call control | Voice dialing, Voice recorder | 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, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | - Colors: Dark Gray, Soft Gold, Metallic Silver
- USB OTG On-The-Go
- JBL sound
- 100% reversible | - Colors: Gold
- One UI 3.1
- 32-bit/384kHz audio
- Dolby Atmos/AKG sound
- Bixby
- Samsung Wireless DeX
- Samsung Pay (MST, NFC)
- Cover camera: 10MP (f/2.2)
- Cover 6.23" display: S-AMOLED, Gorilla Glass Victus, (816x2260px) |
☢️ Radiation rate |
| Alcatel Idol 3 4.7 (6039A 16GB) | Samsung W21 5G |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.859W/kg (head), 1.453W/kg (body) |