Samsung Duos SGH-D780 vs Samsung Galaxy Watch Active 2 (40mm SM-R835F)
Side by side comparison between Samsung Duos SGH-D780 vs Samsung Galaxy Watch Active 2 devices, differences, pros, cons and full specifications. What's the better?
,
vs
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
247
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy Watch Active 2 (40mm SM-R835F)
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!
11 Advantages 
18 Advantages | 2 Common items in both devices |
| Hands-free calling |
| Vibrating alert |
| + 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 | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Change model | ||
| Model | Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) |
| Other model names | Samsung D780 Duos, Samsung D780 Silver Dual SIM | Galaxy Watch Active2 4G LTE SM-R835U (Stainless Steel) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 6/1/2008 | 9/1/2019, Announced: 8/5/2019 |
| Depth | 15.7 millimeters (0.62 inches) | 10.9 millimeters (0.43 inches) |
| Size (width x height) | 49.6 x 115.1 millimeters (1.95 x 4.53 in) | 40 x 40 millimeters (1.57 x 1.57 in) |
| Weight | 109 grams (3.82 ounces) | 37 grams (1.3 ounces) |
| Build, materials | feature not registered | Stainless steel body, glass front |
| Protection against water and others | Not supported | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 2.1" inches | 1.2" inches |
| Screen-to-body ratio | ~23.9% (screen-to-body ratio) | ~29% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 360x360 pixels (1:1) |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 190 PPI | 424 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass DX+ |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| System version | Proprietary OS | Tizen 4.0 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Chipset | 32bit | 64bit: Samsung Exynos 9110 (10nm) |
| CPU | Single-core, 1 processor: Single-core | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | feature not registered | ARM Mali-T720 MP1 (667MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| RAM memory | feature not registered | 1.5GB LPDDR4 |
| Internal storage | 32MB | 4GB (1.39GB available) eMMC 5.1 |
| External storage | Until 2GB microSD (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 0.236 Mbps | 150/50 Mbps |
| Network technology | 2G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (1, 3, 5, 7, 8, 20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | Not supported |
📷 Camera | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Back camera (main camera) | 2 megapixels | Not supported |
| Main camera resolution | 1600x1200 pixels | Not supported |
| Video recording (primary) | QCIF (176x144) | Not supported |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | feature not registered | Not supported |
| Image stabilization | feature not registered | Not supported |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | feature not registered | Not supported |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 1 microphone |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4 |
| Audio formats | MP3, AAC+ | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| USB | USB 2.0 proprietary connector | Not supported |
| Audio output | proprietary audio output | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| 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 | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Barometer Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1200 mAh | 247 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Qi wireless charging |
| Talk time autonomy | 3 hours | 43 hours (1.8 days) |
| Standby | 250 hours (10.4 days) | feature not registered |
➕ Other features | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Dark Silver, Mirror Silver, Gold • Word, Excel, PowerPoint, PDF viewer • Java framework | • Colors: Black, Silver, Pink Gold • Bands: 20mm • Always-on display • Samsung Pay |
☢️ Radiation rate | ||
| Samsung Duos SGH-D780 | Galaxy Watch Active 2 (40mm SM-R835F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.255W/kg (head), 1.528W/kg (body) |