In depth comparison and review of Realme C21 and CAT S50c. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Realme C21 | CAT S50c |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 165.2 mm | 142.2 mm | Realme C21 has greater height than CAT S50c. |
| Width | 76.4 mm | 76.2 mm | Realme C21 has greater width than CAT S50c. |
| Depth | 8.9 mm | 12.47 mm | Realme C21 is narrower than Realme C21. |
| Weight | 190 g | 200 g | Realme C21 is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Silver | |
| Protection | - | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | CAT S50c is waterproof. |
| IP rating | - | IP67 | |
| SAR Value | - | 0.78 W/kg (body), 0.61 W/kg (head) | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | - |
| DISPLAY | Realme C21 | CAT S50c |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LCD | TFT | |
| Screen Size (Display Size) | 6.5" | 4.7" | Realme C21 has larger screen size than CAT S50c. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1280 x 720 pixels | Realme C21 has better screen resolution than CAT S50c. |
| Display Format | HD+ | HD | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 420 cd/m² | - | |
| Display Features | Mini-drop display | - | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Realme C21 | CAT S50c |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 400 | |
|---|---|---|---|
| Processor Number | - | MSM8926 | |
| Clock Speed | 2.3 GHz | 1.2 GHz | Realme C21 has higher clock speed than CAT S50c. |
| Processor Core Qty | 8-core | Quad-core | Realme C21 has higher processor core quantity than CAT S50c. |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Realme C21 | CAT S50c |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 1 GB | Realme C21 has more RAM than CAT S50c. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 8 GB | Realme C21 has more internal memory than CAT S50c. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC - up to 64 GB |
| CAMERA | Realme C21 | CAT S50c |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 8 Megapixel | Realme C21 has better camera resolution than CAT S50c. |
| Lens Aperture | F/2.2 | - | |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | - | |
| Light Source | LED flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/2.4 | - | |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Camera Functions (2nd Camera) | B&W lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 2 Megapixel | Realme C21 has better front camera resolution than CAT S50c. |
| Lens Aperture (Front) | F/2.2 | - | |
| Lens Element Qty (Front) | 3-element | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | - | |
| Face Recognition (Face ID) | Face recognition | - | Realme C21 has face detection. |
| BATTERY AND CHARGING | Realme C21 | CAT S50c |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 2630 mAh | Realme C21 has larger battery capacity than CAT S50c. |
|---|---|---|---|
| Wireless Charging | - | Yes | CAT S50c can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Standby Time | - | 912 hours | |
| Talk Time | - | 1500 minutes | |
| Run Time Details | - | Talk: up to 1500 min Standby: up to 912 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Realme C21 | CAT S50c |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 5.0 (Lollipop) | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS |
| COMMUNICATIONS | Realme C21 | CAT S50c |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | EV-DO, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 4, Band 13 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 1700 - 2110 AWS, FDD 700c | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.0 | |
| NFC | - | Yes | CAT S50c has NFC reader for mobile payments. |
| Messaging Services | - | SMS, MMS |
| MEDIA | Realme C21 | CAT S50c |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, AMR, MP3, AAC +, OGG, eAAC+, MIDI | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, H.264, H.263, VP8 |
| FEATURES | Realme C21 | CAT S50c |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, magnetometer, light sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Glove Touchscreen Operation |
| OTHERS | Realme C21 | CAT S50c |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | MIL-STD 810G, IP67 | |
| Max Depth of Water Resistance | - | 1 m | |
| Max Operating Temperature | - | 55 °C | |
| Min Operating Temperature | - | -25 °C |
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