Realme C11 (2021, 64GB) vs Alcatel OT-991D (Dual-sim)
Side by side comparison between Realme C11 (2021) vs Alcatel OT-991 phones, differences, pros, cons and full specifications. What's the better?
,
6.52"
IPS
IPS
720x1600
8
MP
MP
5mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non 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? Realme C11 (2021, 64GB)
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!
24 Advantages 
3 Advantages | 15 Common items in both devices |
| LED flash |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| +8 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 | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Model | C11 (2021, 64GB) | OT-991D (Dual-sim) |
| Other model names | Realme C11 RMX3231 (64GB+4GB RAM) | Alcatel One Touch 991D Dual-sim, Alcatel 991 |
| Country or region available |  Malaysia | feature not registered |
| Brand | Realme | Alcatel |
| Release date | 6/28/2021 | 9/1/2012 |
| Depth | 8.9 millimeters (0.35 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 76.4 x 165.2 millimeters (3.01 x 6.5 in) | 68 x 122 millimeters (2.68 x 4.8 in) |
| Weight | 190 grams (6.65 ounces) | 131 grams (4.59 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.52" inches | 4" inches |
| Screen-to-body ratio | ~81.3% (screen-to-body ratio) | ~57.4% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 269 PPI | 144 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 400nits[typ] | feature not registered |
🤖 Operating System | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| System version | Android 11 | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | Realme Go UI | feature not registered |
⚙️ Processor | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Chipset | 64bit: Unisoc SC9863A (28nm) | 32bit: MediaTek MT6573 |
| CPU | Octa-core, 2 processors: 4x 1.6GHz ARM Cortex-A55 (Quad-core) 4x 1.2GHz ARM Cortex-A55 (Quad-core) | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) |
| GPU graphical controller | PowerVR GE8322 MP2 (550MHz) | PowerVR SGX531 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| RAM memory | 4GB LPDDR4X | 256MB |
| Internal storage | 64GB (50GB available) eMMC 5.1 | 512MB (150MB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 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 850/900/2100 | Not supported |
| Primary 4G network | LTE Cat4 (1, 3, 5) TD-LTE (38, 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE |
📷 Camera | ||
| Realme C11 (2021, 64GB) | 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/2.0 (aperture) | 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 | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Front camera (secondary) | 5 megapixels | 0.3 megapixels |
| Front camera resolution | 2560x1920 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | feature not registered |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Realme C11 (2021, 64GB) | 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 | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not 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 | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Gyroscope Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 1500 mAh |
| Charger, watts | 10W (5V/2A) Wired charging Reverse charging by cable | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 10 hours |
| Standby | feature not registered | 366.7 hours (15.3 days) |
➕ Other features | ||
| Realme C11 (2021, 64GB) | Alcatel OT-991D (Dual-sim) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Iron Grey, Lake Blue | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Realme C11 (2021, 64GB) | 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 |