Physical features | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Model | Galaxy S2 Duos TV (GT-S7273T) | K51S (K510HM) |
Other model names | Galaxy Ace 3 Duos GT-S7273T, Galaxy S II Duos TV | LG K51s LM-K510HM, LMK510HM (Single-Sim) |
Country or region available |  Brazil |  (Latin America) |
Brand | Samsung | LG |
Release date | August, 2013 | April, 2020 |
Depth | 9.8 millimeters (0.39 inches) | 8.26 millimeters (0.33 inches) |
Size (width x height) | 62.7 x 121.2 millimeters (2.47 x 4.77 in) | 76.7 x 165.2 millimeters (3.02 x 6.5 in) |
Weight | 119 grams (4.17 ounces) | 194 grams (6.79 ounces) |
Qwerty physical keyboard | Not supported | Not supported |
Antenna | External retractable antenna | Internal antenna |
Build, materials | Plastic body, glass front | Plastic body, glass front |
Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
System (OS) | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Operating system | Android 4.2.2 Jelly Bean | Android 9.0 Pie |
Firmware update | feature not registered | feature not registered |
Hardware | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Chipset | 32bit - Broadcom BCM21664 (40nm) | 64bit - MediaTek MT6765 Helio P35 (12nm) |
CPU processor | 1Ghz Dual-Core ARM Cortex-A9 | Octa-Core, 2 processors: 2.3Ghz Quad-Core ARM Cortex-A53 1.8Ghz Quad-Core ARM Cortex-A53 |
GPU graphical controller | Broadcom VideoCore IV | PowerVR GE8320 680Mhz |
RAM memory | 1GB LPDDR2 | 3GB LPDDR3 |
Internal storage | 4GB (1.78GB available) | 64GB (47GB available) eMMC 5.1 |
External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
Display | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Display type | TFT LCD | TFT IPS LCD |
Screen size | 4" inches | 6.55" inches |
Screen-to-body ratio | ~59.9% (screen-to-body ratio) | ~81.7% (screen-to-body ratio) |
Display resolution | 480x800 pixels | 720x1600 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 233 PPI | 268 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Not supported |
Display features | feature not registered | 60Hz, 400 nits |
Mobile networks | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
Maximum download/upload | 14.4/5.76 Mbps | 300/50 Mbps |
Network technology | 2G, 3G | 2G, 3G, 4G |
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 850/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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 |
Calling | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Messaging | SMS (Swype), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
Speakerphone | Supported | Supported |
Video calling | Supported | Supported |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
Camera | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Back camera (main camera) | 5 megapixels | (quad camera) 32 megapixels 5MP ultrawidef/2.216mm1.12μm115º 2MP macrof/2.422mm1.75μm88.6º 2MP depthf/2.41.75μm |
Main camera resolution | 2592x1944 pixels | 6528x4896 pixels |
Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | feature not registered | f/1.8 (aperture) |
Focal length | feature not registered | 24mm lens |
Sensor size | feature not registered | feature not registered |
Pixel size | feature not registered | 0.8µm pixel |
Autofocus | 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 | Not supported | HDR photo on both cameras |
2ª camera | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Front camera (secondary) | 0.3 megapixels | 13 megapixels |
Front camera resolution | 640x480 pixels | 4128x3096 pixels |
Video recording (secondary) | VGA (640x480) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | feature not registered | f/2.0 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | feature not registered |
Pixel size | feature not registered | feature not registered |
Multimedia | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Radio | FM (RDS) | FM |
TV | Digital TV | Not supported |
Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
Connectivity | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
TV output | Not supported | Not supported |
Audio output | 3.5mm jack | 3.5mm jack |
Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 b/g/n (2.4Ghz) | 802.11 b/g/n (2.4Ghz) |
DLNA | Not supported | Not supported |
NFC | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
Infrared port | Not supported | Not supported |
Other functions | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Active noise cancellation | Not supported | Supported |
Vibrating alert | Supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
Sensors | Accelerometer Proximity sensor Compass Ambient Light sensor
| Accelerometer Proximity sensor Compass Ambient Light sensor Fingerprint sensor (rear-mounted)
|
Other features | - Colors: Black - Samsung TouchWiz 4.0 UI - WiFi direct - WiFi hotspot - ISDB-T Digital TV - Java framework | - Colors: Titanium, Blue, Pink/Red - Silicone case included - Google Assistant (dedicated side button) - DTS:X 3D audio - WiFi direct, hotspot |
Power supply | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
Battery | Li-Ion: Lithium-Ion (Removable) | LiPo: Li-Ion polymer (Non removable) |
Battery capacity | 1500 mAh | 4000 mAh |
Charger, watts | Standard charging | 10W (5V/2A) Standard charging |
Talk time autonomy | 480 minutes | 8 hours | 0.3 day | 630 minutes | 10.5 hours | 0.4 day |
Standby | 22200 minutes | 370 hours | 15.4 days | 22200 minutes | 370 hours | 15.4 days |
Radiation rate | Samsung Galaxy S2 Duos TV (GT-S7273T) | LG K51S (K510HM) |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | 0.471W/kg (head) | 0.71W/kg (body) | feature not registered |