Samsung Galaxy S2 Epic 4G Touch (SPH-D710) vs Alcatel OT-991D (Dual-sim)
Side by side comparison between Samsung Galaxy S2 Epic 4G Touch vs Alcatel OT-991 phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1800
mAh
mAh
(Removable)
vs
4"
TFT
TFT
320x480
3.1
MP
MP
0.3mp
256MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy S2 Epic 4G Touch (SPH-D710)
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!
23 Advantages 
3 Advantages | 17 Common items in both devices |
| Until 32GB microSD, microSDHC |
| LED flash |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| +10 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 | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Change model | ||
| Model | Galaxy S2 Epic 4G Touch (SPH-D710) | OT-991D (Dual-sim) |
| Other model names | Sprint Samsung Galaxy S II Epic 4G Touch, Samsung Within | Alcatel One Touch 991D Dual-sim, Alcatel 991 |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | Alcatel |
| Release date | 9/16/2011 | 9/1/2012 |
| Depth | 10 millimeters (0.39 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 70 x 130 millimeters (2.76 x 5.12 in) | 68 x 122 millimeters (2.68 x 4.8 in) |
| Weight | 130 grams (4.55 ounces) | 131 grams (4.59 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Display type | Super AMOLED Plus | TFT LCD |
| Screen size | 4.5" inches | 4" inches |
| Screen-to-body ratio | ~63.3% (screen-to-body ratio) | ~57.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 144 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| System version | Android 2.3.4 Gingerbread | Android 2.3.6 Gingerbread |
| Firmware update | Android 4.1.2 Jelly Bean | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Chipset | 32bit: Samsung Exynos 4 Dual 4210 (45nm) | 32bit: MediaTek MT6573 |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) |
| GPU graphical controller | ARM Mali-400 MP4 266Mhz | PowerVR SGX531 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| RAM memory | 1GB LPDDR2 | 256MB |
| Internal storage | 16GB | 512MB (150MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 75/25 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | Not supported |
| Primary 4G network | WiMAX 802.16 | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, WiMAX | GPRS, EDGE, UMTS, HSDPA |
| 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 | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Back camera (main camera) | 8 megapixels | 3.1 megapixels |
| Main camera resolution | 3264x2448 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (720x480) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.6 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.2" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | Not supported | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Front camera (secondary) | 2 megapixels | 0.3 megapixels |
| Front camera resolution | 1600x1200 pixels | 640x480 pixels |
| 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 | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 3.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1800 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 8.8 hours | 10 hours |
| Standby | 252 hours (10.5 days) | 366.7 hours (15.3 days) |
➕ Other features | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (Swype), 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • TouchWiz UI 4.0 • Java framework | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy S2 Epic 4G Touch (SPH-D710) | Alcatel OT-991D (Dual-sim) | |
| 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 |