Alcatel A7 XL (7071D) vs TCL 20 5G (T781K)
Side by side comparison between Alcatel A7 XL vs TCL 20 5G phones, differences, pros, cons and full specifications. What's the better?
,
6"
LTPS
LTPS
1080x1920
12.2
MP
MP
5mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
8mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non 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!
5 Advantages 
25 Advantages | 23 Common items in both devices |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| Capacitive |
| +16 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 | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Change model | ||
| Model | Alcatel A7 XL (7071D) | TCL 20 5G (T781K) |
| Other model names | Alcatel A7 XL 7071, 7071DX, OT-7071D | TCL 20 5G T781K (256GB) |
| Country or region available |   (Europe), (Global, International) | (Global, International) |
| Brand | Alcatel | TCL |
| Release date | 11/1/2017 | 11/30/2020 |
| Depth | 8.7 millimeters (0.34 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 81.5 x 159.6 millimeters (3.21 x 6.28 in) | 76.8 x 166.2 millimeters (3.02 x 6.54 in) |
| Weight | 175 grams (6.13 ounces) | 206 grams (7.21 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Display type | LTPS LCD | TFT IPS LCD |
| Screen size | 6" inches | 6.67" inches |
| Screen-to-body ratio | ~76.3% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Dragontrail Glass | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| System version | Android 7.1 Nougat | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Chipset | 64bit: MediaTek MT6750S (28nm) | 64bit: Qualcomm Snapdragon 690 SM6350 (8nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2GHz Kryo 560 Gold (Dual-core) 6x 1.7GHz Kryo 560 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-T860 MP2 350Mhz | Qualcomm Adreno 619L 950Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| RAM memory | 3GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 32GB (22GB available) eMMC 5.1 | 256GB (230GB available) UFS 2.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 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 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 Cat4 (1, 3, 7, 8, 20, 28) VoLTE | LTE Cat18 (1, 3, 5, 7, 8, 20, 26, 28, 32) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 28, 41, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Back camera (main camera) | (dual camera) 12.2 megapixels 2MP | (triple camera) 48 megapixels 8MP ultrawide f/2.216mm118°1/4"1.12µm 2MP macro f/2.483°1/5"1.75μm |
| Main camera resolution | 4032x3024 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED on main camera and LED on front camera | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection 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 only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Front camera (secondary) | 5 megapixels | 8 megapixels |
| Front camera resolution | 2560x1920 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 4500 mAh |
| Charger, watts | 15W Wired fast charging | 18W Wired fast charging Reverse charging by cable Quick Charge 4+ |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 17 hours | feature not registered |
| Standby | 750 hours (31.3 days) | feature not registered |
➕ Other features | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| 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: Black, Blue, Gold, Rose Gold • Fast battery charging: 100% in 3h • WiFi display | • Colors: Mist Gray, Placid Blue • TCL UI • 2.5D screen • NXTVISION • Screen protector included • TPU case included • Hi-Res audio • 24-bit/192kHz audio |
☢️ Radiation rate | ||
| Alcatel A7 XL (7071D) | TCL 20 5G (T781K) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |