Realme C11 (2021, 64GB) vs CAT S61 (Dual-sim)
Side by side comparison between Realme C11 (2021) vs CAT S61 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
5.2"
IPS
IPS
1080x1920
16
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? CAT S61 (Dual-sim)
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!
7 Advantages 
18 Advantages | 28 Common items in both devices |
| 4GB LPDDR4X / 4GB LPDDR4 |
| 64GB (50GB available) / 64GB (54GB available) |
| eMMC 5.1 |
| TFT IPS LCD |
| 60Hz |
| 16 million |
| Only digital zoom |
| +21 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) | CAT S61 (Dual-sim) | |
| Model | C11 (2021, 64GB) | S61 (Dual-sim) |
| Other model names | Realme C11 RMX3231 (64GB+4GB RAM) | Caterpillar S61, CAT S61 Dual-sim |
| Country or region available |  Malaysia |  (Global, International) |
| Brand | Realme | CAT |
| Release date | 6/28/2021 | 2/22/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 13 millimeters (0.51 inches) |
| Size (width x height) | 76.4 x 165.2 millimeters (3.01 x 6.5 in) | 76 x 150 millimeters (2.99 x 5.91 in) |
| Weight | 190 grams (6.65 ounces) | 163 grams (5.71 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| Protection against water and others | Water repellent nano-coating (don't immerse) | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.52" inches | 5.2" inches |
| Screen-to-body ratio | ~81.3% (screen-to-body ratio) | ~65.4% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1080x1920 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 269 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 400nits[typ] | Not supported |
🤖 Operating System | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| System version | Android 11 | Android 8.0 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | Realme Go UI | feature not registered |
⚙️ Processor | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| Chipset | 64bit: Unisoc SC9863A (28nm) | 64bit: Qualcomm Snapdragon 630 SDM630 (14nm) |
| CPU | Octa-core, 2 processors: 4x 1.6GHz ARM Cortex-A55 (Quad-core) 4x 1.2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR GE8322 MP2 (550MHz) | Qualcomm Adreno 508 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| RAM memory | 4GB LPDDR4X | 4GB LPDDR4 |
| Internal storage | 64GB (50GB available) eMMC 5.1 | 64GB (54GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Realme C11 (2021, 64GB) | CAT S61 (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) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 600/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5) TD-LTE (38, 40, 41) | LTE Cat12 Global version: LTE (1, 2, 3, 5, 7, 8, 19, 20, 26, 28) TD-LTE (38, 39, 40, 41) USA version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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) | CAT S61 (Dual-sim) | |
| Back camera (main camera) | 8 megapixels | 16 megapixels |
| Main camera resolution | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-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 | PDAF on back camera and autofocus front camera |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| Front camera (secondary) | 5 megapixels | 8 megapixels |
| Front camera resolution | 2560x1920 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| 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) | CAT S61 (Dual-sim) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 4500 mAh |
| Charger, watts | 10W (5V/2A) Wired charging Reverse charging by cable | 18W Wired fast charging Quick Charge 4 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 35 hours (1.5 days) |
| Standby | feature not registered | 888 hours (37 days) |
➕ Other features | ||
| Realme C11 (2021, 64GB) | CAT S61 (Dual-sim) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Iron Grey, Lake Blue | • Colors: Black • FLIR Thermal Imaging back camera • Drop-to-concrete resistance up to 1.8 meters |
☢️ Radiation rate | ||
| Realme C11 (2021, 64GB) | CAT S61 (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 |