BlackBerry Curve 8520 vs TCL 20 5G (T781K)
Side by side comparison between BlackBerry Curve 8520 vs TCL 20 5G phones, differences, pros, cons and full specifications. What's the better?
,
2.46"
TFT
TFT
320x240
2
MP
MP
128MB
RAM
RAM
Single-core
1150
mAh
mAh
(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!
2 Advantages 
29 Advantages | 3 Common items in both devices |
| Only digital zoom |
| 3.5mm jack |
| MicroUSB 2.0 / USB 2.0 Type-C, USB OTG On-The-Go |
| + 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 | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Change model | ||
| Model | Curve 8520 | TCL 20 5G (T781K) |
| Other model names | RIM BlackBerry Curve 8520, RIM Gemini | TCL 20 5G T781K (256GB) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | BlackBerry | TCL |
| Release date | 8/3/2009 | 11/30/2020 |
| Depth | 13.9 millimeters (0.55 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 60 x 109 millimeters (2.36 x 4.29 in) | 76.8 x 166.2 millimeters (3.02 x 6.54 in) |
| Weight | 106 grams (3.71 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 | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.46" inches | 6.67" inches |
| Screen-to-body ratio | ~28.7% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 163 PPI | 395 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 450nits[typ] HDR10 |
🤖 Operating System | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| System version | BlackBerry OS 4.6 | Android 10 |
| Firmware update | BlackBerry OS 5.0 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Chipset | 32bit: Freescale MXC275-30 | 64bit: Qualcomm Snapdragon 690 SM6350 (8nm) |
| CPU | Single-core, 1 processor: 1x 512MHz ARM1136JF-S (Single-core) | Octa-core, 2 processors: 2x 2GHz Kryo 560 Gold (Dual-core) 6x 1.7GHz Kryo 560 Silver (Hexa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 619L 950Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| RAM memory | 128MB SDRAM | 6GB LPDDR4X |
| Internal storage | 256MB | 256GB (230GB available) UFS 2.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-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 850/900/1900/2100 |
| Primary 4G network | Not supported | 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 | CSD, GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Back camera (main camera) | 2 megapixels | (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 | 1600x1200 pixels | 8000x6000 pixels |
| Video recording (primary) | QVGA (320x240) | 4K UHD (3840x2160) 30 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 | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | 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 | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| BlackBerry Curve 8520 | 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 | 2.0 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1150 mAh | 4500 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging Reverse charging by cable Quick Charge 4+ |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 4.5 hours | feature not registered |
| Standby | 408 hours (17 days) | feature not registered |
➕ Other features | ||
| BlackBerry Curve 8520 | TCL 20 5G (T781K) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • 1GB microSD included • Touch-sensitive optical trackpad • UMA • GMA • Java framework | • 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 | ||
| BlackBerry Curve 8520 | 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 |