Alcatel OT-991 (Single-sim) vs Blu Win HD (W510U)
Side by side comparison between Alcatel OT-991 vs Blu Win HD phones, differences, pros, cons and full specifications. What's the better?
,
4"
TFT
TFT
320x480
3.1
MP
MP
0.3mp
256MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
What's the better phone? Blu Win HD (W510U)
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!
3 Advantages 
19 Advantages | 17 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| LED flash |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| +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 | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Model | OT-991 (Single-sim) | Win HD (W510U) |
| Other model names | Alcatel One Touch 991, Alcatel 991 | BLU Win HD 3G, BLU W510u, Blu Windows HD |
| Country or region available | feature not registered |  USA |
| Brand | Alcatel | Blu |
| Release date | 6/1/2012 | 9/1/2014 |
| Depth | 10.8 millimeters (0.43 inches) | 7.75 millimeters (0.31 inches) |
| Size (width x height) | 68 x 122 millimeters (2.68 x 4.8 in) | 69.9 x 144.8 millimeters (2.75 x 5.7 in) |
| Weight | 131 grams (4.59 ounces) | 123 grams (4.31 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 5" inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) | ~68.1% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 144 PPI | 294 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| System version | Android 2.3.6 Gingerbread | Windows Phone 8.1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Chipset | 32bit: MediaTek MT6573 | 32bit: Qualcomm Snapdragon 200 (MSM8212) (28nm) |
| CPU | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR SGX531 | Qualcomm Adreno 302 (400MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| RAM memory | 256MB | 1GB LPDDR2 |
| Internal storage | 512MB (150MB available) | 8GB (5GB available) eMMC 4.5 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| 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) micro-SIM (3FF) and standard SIM (2FF) |
| Maximum Download / Upload | 7.2 Mbps | 42/5.76 Mbps |
| Network technology | 2G | 2G, 3G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/1700/1900 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Back camera (main camera) | 3.1 megapixels | 8 megapixels |
| Main camera resolution | 2048x1536 pixels | 3264x2448 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| 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 | 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Front camera (secondary) | 0.3 megapixels | 2 megapixels |
| Front camera resolution | 640x480 pixels | 1600x1200 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| 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 | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 1 microphone |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 2200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 10 hours | 18 hours |
| Standby | 400 hours (16.7 days) | 700 hours (29.2 days) |
➕ Other features | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| 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 | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot Java framework | • Colors: White, Orange, Pink, Yellow • Screen protector included • Plastic Case included Microsoft Cortana |
☢️ Radiation rate | ||
| Alcatel OT-991 (Single-sim) | Blu Win HD (W510U) | |
| 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 |