HTC HD2 (T8585) vs Samsung Gear S2 (3G SM-R730T)
Side by side comparison between HTC HD2 vs Samsung Gear S2 devices, differences, pros, cons and full specifications. What's the better?
,
vs
1.2"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Dual-core
300
mAh
mAh
(Non removable)
What's the better device? Samsung Gear S2 (3G SM-R730T)
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!
13 Advantages 
18 Advantages | 5 Common items in both devices |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| A-GPS, GeoTagging |
| + 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 | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Model | HD2 (T8585) | Gear S2 (3G SM-R730T) |
| Other model names | HTC HD2 T8585, HTC Touch HD2, HTC Leo100 | T-Mobile Samsung Gear S2 SM-R730T, Samsung Orbis |
| Country or region available | feature not registered |  USA |
| Brand | HTC | Samsung |
| Release date | 11/5/2009 | 11/1/2015 |
| Depth | 11 millimeters (0.43 inches) | 13.4 millimeters (0.53 inches) |
| Size (width x height) | 67 x 120.5 millimeters (2.64 x 4.74 in) | 44 x 51.8 millimeters (1.73 x 2.04 in) |
| Weight | 157 grams (5.5 ounces) | 51 grams (1.79 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Waterproof (IP?) |
📲 Display | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 4.3" inches | 1.2" inches |
| Screen-to-body ratio | ~65.2% (screen-to-body ratio) | ~20.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 217 PPI | 424 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| System version | Windows Mobile 6.5.3 Professional | Tizen 2.3 |
| Firmware update | feature not registered | Tizen 2.3.2 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Chipset | 32bit | 32bit: Qualcomm Snapdragon 400 MSM8x26 |
| CPU | Single-core, 1 processor: 1x 1GHz Qualcomm Snapdragon QSD8250 (Single-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 305 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| RAM memory | 448MB LPDDR | 512MB |
| Internal storage | 512MB (207.03MB available) | 4GB (2GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 7.2/2 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 850/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/1900 |
| Primary 3G network | UMTS 900/2100 | UMTS 850/1900 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Back camera (main camera) | 5 megapixels | Not supported |
| Main camera resolution | 2560x1920 pixels | Not supported |
| Video recording (primary) | WVGA (800x480) 30 fps | Not supported |
| Flash | Dual-LED flash | 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 | Autofocus | Not supported |
| Touch focus | feature not registered | Not supported |
| Image stabilization | feature not registered | feature not registered |
| 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 | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| 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 | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, H.264, H.263 | feature not registered |
| Audio formats | MP3, WAV, eAAC+, WMA | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| USB | MicroUSB 2.0 | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1230 mAh | 300 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5.3 hours | 5 hours |
| Standby | 390 hours (16.3 days) | 48 hours (2 days) |
➕ Other features | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | feature not registered | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Facebook, Twitter and YouTube • Pocket Office (Word, Excel, PowerPoint, OneNote, PDF viewer) • HTC TouchFLO 3D interface v2.5.191 • HTC Sense UI • HTC Peep • HTC Footprints • Wi-Fi hotspot • Java framework | • Colors: Black, White • Stainless Steel body • Samsung Pay • S-Voice, S-Health • Wireless Charging (Qi) • IP68 certified: dust and water resistant up to 1.5m and 30min |
☢️ Radiation rate | ||
| HTC HD2 (T8585) | Samsung Gear S2 (3G SM-R730T) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.737W/kg (head), 0.893W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |