T-Mobile Sidekick 4G (SGH-T839) vs LG K20 V (VS501)
Side by side comparison between T-Mobile Sidekick 4G vs LG K20 V phones, differences, pros, cons and full specifications. What's the better?
,
3.5"
TFT
TFT
480x800
3.1
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
5.3"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
2800
mAh
mAh
(Removable)
What's the better phone? LG K20 V (VS501)
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!
0 Advantage 
23 Advantages | 16 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +9 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 | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Change model | ||
| Model | Sidekick 4G (SGH-T839) | K20 V (VS501) |
| Other model names | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G | Verizon LG K20 VS501 (2017), LG-VS501, LGVS501 |
| Country or region available |  USA | USA |
| Brand | T-Mobile | LG |
| Release date | 4/20/2011 | 2/1/2017 |
| Depth | 15 millimeters (0.59 inches) | 7.62 millimeters (0.3 inches) |
| Size (width x height) | 61 x 127 millimeters (2.4 x 5 in) | 73.66 x 147.32 millimeters (2.9 x 5.8 in) |
| Weight | 162 grams (5.67 ounces) | 134 grams (4.69 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.5" inches | 5.3" inches |
| Screen-to-body ratio | ~45% (screen-to-body ratio) | ~71.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 277 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| System version | Android 2.2.1 Froyo | Android 7.0 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Chipset | 32bit: Samsung Exynos 3 | 64bit: Qualcomm Snapdragon 425 (MSM8917) (28nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SGX540 | Qualcomm Adreno 308 (500MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| RAM memory | 512MB | 2GB LPDDR3 |
| Internal storage | 1GB (350MB available) | 32GB (22GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 1700/2100 | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (Bands 2, 4, 5, 13) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Back camera (main camera) | 3.1 megapixels | 13 megapixels |
| Main camera resolution | 2048x1536 pixels | 4160x3120 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Front camera (secondary) | 0.3 megapixels | 5 megapixels |
| Front camera resolution | 640x480 pixels | 2560x1920 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 2800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6.5 hours | 14 hours |
| Standby | 456 hours (19 days) | 300 hours (12.5 days) |
➕ Other features | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Matte black, Pearl magenta • 2GB microSD included • Samsung TouchWiz UI • Optical trackpad • HAC M3/T3 • T-Mobile TV • DLNA • WiFi hotspot Java framework | • Colors: Black • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • VoLTE |
☢️ Radiation rate | ||
| T-Mobile Sidekick 4G (SGH-T839) | LG K20 V (VS501) | |
| 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 |