TCL 20 5G (T781K) vs Samsung Galaxy Alpha (SM-G850F)
Side by side comparison between TCL 20 5G vs Samsung Galaxy Alpha phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
IPS
IPS
1080x2400
48
MP
MP
8mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
4.7"
AMOLED
AMOLED
720x1280
12
MP
MP
2.1mp
2GB
RAM
RAM
Octa-core
1860
mAh
mAh
(Removable)
What's the better phone? TCL 20 5G (T781K)
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!
20 Advantages 
6 Advantages | 25 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +18 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 | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Model | TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) |
| Other model names | TCL 20 5G T781K (256GB) | Samsung Galaxy Alpha 4G LTE G850F, Samsung SM-G850F |
| Country or region available |  (Global, International) |  (Europe) |
| Brand | TCL | Samsung |
| Release date | 11/30/2020 | 9/1/2014 |
| Depth | 9.1 millimeters (0.36 inches) | 6.7 millimeters (0.26 inches) |
| Size (width x height) | 76.8 x 166.2 millimeters (3.02 x 6.54 in) | 65.5 x 132.4 millimeters (2.58 x 5.21 in) |
| Weight | 206 grams (7.21 ounces) | 115 grams (4.03 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.67" inches | 4.7" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~70.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 395 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 450nits[typ] HDR10 | feature not registered |
🤖 Operating System | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| System version | Android 10 | Android 4.4.4 KitKat |
| Firmware update | feature not registered | Android 5.0.2 Lollipop |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Chipset | 64bit: Qualcomm Snapdragon 690 SM6350 (8nm) | 32bit: Samsung Exynos 5 Octa 5430 (20nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz Kryo 560 Gold (Dual-core) 6x 1.7GHz Kryo 560 Silver (Hexa-core) | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 619L 950Mhz | ARM Mali-T628 MP6 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 256GB (230GB available) UFS 2.1 | 32GB (25GB available) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| 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 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 3, 5, 7, 8, 20, 26, 28, 32) TD-LTE (38, 40, 41) VoLTE | LTE 800/850/900/1800/2100/2600 |
| Primary 5G network | SA/NSA (1, 3, 5, 28, 41, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.216mm118°1/4"1.12µm 2MP macro f/2.483°1/5"1.75μm | 12 megapixels |
| Main camera resolution | 8000x6000 pixels | 4608x2592 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Front camera (secondary) | 8 megapixels | 2.1 megapixels |
| Front camera resolution | 3264x2448 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 1860 mAh |
| Charger, watts | 18W Wired fast charging Reverse charging by cable Quick Charge 4+ | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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: Mist Gray, Placid Blue • TCL UI • 2.5D screen • NXTVISION • Screen protector included • TPU case included • Hi-Res audio • 24-bit/192kHz audio | • Colors: Black, Silver, White, Gold, Blue • USB OTG On-The-Go • Dual Shot camera (video + photo) • Fingerprint sensor (PayPal certified) • Dropbox 50GB • ANT+ support |
☢️ Radiation rate | ||
| TCL 20 5G (T781K) | Galaxy Alpha (SM-G850F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.18W/kg (head), 0.75W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.4W/kg (head), 0.506W/kg (body) |