Nokia Lumia 635 (RM-974) vs Alcatel OT-991D (Dual-sim)
Side by side comparison between Nokia Lumia 635 vs Alcatel OT-991 phones, differences, pros, cons and full specifications. What's the better?
,
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? Nokia Lumia 635 (RM-974)
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!
18 Advantages 
7 Advantages | 14 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Proximity sensor |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| +7 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 | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Model | Lumia 635 (RM-974) | OT-991D (Dual-sim) |
| Other model names | Nokia Lumia 635 Global RM-974 | Alcatel One Touch 991D Dual-sim, Alcatel 991 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Nokia | Alcatel |
| Release date | 5/1/2014 | 9/1/2012 |
| Depth | 9.2 millimeters (0.36 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 66.7 x 129.5 millimeters (2.63 x 5.1 in) | 68 x 122 millimeters (2.68 x 4.8 in) |
| Weight | 134 grams (4.69 ounces) | 131 grams (4.59 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 4.5" inches | 4" inches |
| Screen-to-body ratio | ~64.6% (screen-to-body ratio) | ~57.4% (screen-to-body ratio) |
| Display resolution | 480x854 pixels | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 218 PPI | 144 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| System version | Windows Phone 8.1 | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 | 32bit: MediaTek MT6573 |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 305 | PowerVR SGX531 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| RAM memory | 512MB | 256MB |
| Internal storage | 8GB | 512MB (150MB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Nokia Lumia 635 (RM-974) | 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) micro-SIM (3FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 100/50 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| 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 | UMTS 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat3 800/1800/2600 (Bands 3,7,20) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Back camera (main camera) | 5 megapixels | 3.1 megapixels |
| Main camera resolution | 2592x1944 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | VGA (720x480) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | feature not registered | 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 | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 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 | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| 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 | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL-5H | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1830 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 14 hours | 10 hours |
| Standby | 600 hours (25 days) | 366.7 hours (15.3 days) |
➕ Other features | ||
| Nokia Lumia 635 (RM-974) | Alcatel OT-991D (Dual-sim) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (Swype), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Orange, Yellow, White, Black, Green • Nokia ClearBlack display • Dolby headphone sound enhancement • Internet Explorer 11 • 7GB free SkyDrive storage • Facebook, LinkedIn, Twitter, WhatsApp • WiFi hotspot up to 8 devices | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Nokia Lumia 635 (RM-974) | 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 |