Alcatel OT-991 (Single-sim) vs Blackview BV4000
Side by side comparison between Alcatel OT-991 vs Blackview BV4000 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
4.7"
IPS
IPS
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
3680
mAh
mAh
(Removable)
What's the better phone? Blackview BV4000
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 
21 Advantages | 17 Common items in both devices |
| Until 32GB microSD, microSDHC |
| LED flash |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Proximity sensor |
| +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) | Blackview BV4000 | |
| Model | OT-991 (Single-sim) | Blackview BV4000 |
| Other model names | Alcatel One Touch 991, Alcatel 991 | Blackview BV4000 (8GB + 1GB RAM) |
| Country or region available | feature not registered |   China, Hong Kong |
| Brand | Alcatel | Blackview |
| Release date | 6/1/2012 | 8/1/2017 |
| Depth | 10.8 millimeters (0.43 inches) | 13.25 millimeters (0.52 inches) |
| Size (width x height) | 68 x 122 millimeters (2.68 x 4.8 in) | 74.2 x 143.9 millimeters (2.92 x 5.67 in) |
| Weight | 131 grams (4.59 ounces) | 205 grams (7.18 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 4.7" inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) | ~57% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 144 PPI | 312 PPI |
| Colors | 260 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 | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| System version | Android 2.3.6 Gingerbread | Android 7.0 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| Chipset | 32bit: MediaTek MT6573 | 32bit: MediaTek MT6580A (28nm) |
| CPU | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR SGX531 | ARM Mali-400 MP2 500Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| RAM memory | 256MB | 1GB LPDDR3 |
| Internal storage | 512MB (150MB available) | 8GB (4GB available) eMMC |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| 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) |
| Maximum Download / Upload | 7.2 Mbps | 21/5.76 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 900/2100 |
| 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) | Blackview BV4000 | |
| Back camera (main camera) | 3.1 megapixels | 8 megapixels |
| Main camera resolution | 2048x1536 pixels | 3264x2448 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/4" inches |
| 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 | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| Front camera (secondary) | 0.3 megapixels | 2 megapixels |
| Front camera resolution | 640x480 pixels | 1600x1200 pixels |
| Video recording (secondary) | Not supported | VGA (640x480) |
| 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) | Blackview BV4000 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| 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 | 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) | Blackview BV4000 | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Removable) |
| Battery capacity | 1500 mAh | 3680 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 10 hours | 19 hours |
| Standby | 400 hours (16.7 days) | 720 hours (30 days) |
➕ Other features | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| 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: Black, Black/orange, Black/green • WiFi hotspot |
☢️ Radiation rate | ||
| Alcatel OT-991 (Single-sim) | Blackview BV4000 | |
| 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 |