CAT S41 vs. Realme C21

Phone Comparison, Reviews and Tests

In depth comparison and review of CAT S41 and Realme C21. 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.

Phone Specifications Comparison

CAT S41 vs. Realme C21 Comparison Chart
DESIGN AND DIMENSIONS CAT S41 Realme C21
Product Type Smartphone Smartphone
Form Factor Touch - Rugged Touch
Height 152 mm 165.2 mm Realme C21 has greater height than CAT S41.
Width 75 mm 76.4 mm Realme C21 has greater width than CAT S41.
Depth 12.85 mm 8.9 mm Realme C21 is narrower than CAT S41.
Weight 218 g 190 g Realme C21 is lighter than CAT S41.
Body Colour - Cross black | Cross blue
Protection Shockproof, dustproof, splashproof, waterproof, scratch-resistant -
Waterproof (Water-resistant) Yes - CAT S41 is waterproof.
IP rating IP68 -
SAR Value 1.08 W/kg (body), 0.547 W/kg (head) -
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Micro-USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY CAT S41 Realme C21
Display Type LCD display LCD display
Display Technology IPS LCD
Screen Size (Display Size) 5" 6.5" Realme C21 has larger screen size than CAT S41.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1600 x 720 pixels CAT S41 has better screen resolution than Realme C21.
Display Format Full HD HD+
Aspect Ratio - 20:9
Max Brightness - 420 cd/m²
Display Features - Mini-drop display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR CAT S41 Realme C21
Processor Type (CPU) MediaTek Helio P20 MediaTek Helio G35
Processor Number MT6757 -
Clock Speed 2.3 GHz 2.3 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - PowerVR GE8320
MEMORY CAT S41 Realme C21
RAM 3 GB LPDDR4X SDRAM - 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSD
CAMERA CAT S41 Realme C21
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 13 Megapixel Both phones have the same camera resolution.
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 light LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) 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) 8 Megapixel 5 Megapixel CAT S41 has better front camera resolution than Realme C21.
Lens Aperture (Front) - F/2.2
Lens Element Qty (Front) - 3-element
Focus Adjustment Focus free -
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 CAT S41 Realme C21
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Fast Charging Technology Pump Express+ 2.0 Quick Charge technology - CAT S41 has fast charging technology.
Standby Time 1056 hours -
Talk Time 2280 minutes -
Run Time Details Talk: up to 2280 min
Standby: up to 1056 hrs
-
Battery Technology Lithium Ion -
CELLULAR CAT S41 Realme C21
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 7.0 Nougat Android 10
User Interface - Realme UI
Payment Technology Android Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS CAT S41 Realme C21
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 4.1 Bluetooth 5.0
NFC Yes - CAT S41 has NFC reader for mobile payments.
Messaging Services SMS, MMS -
FEATURES CAT S41 Realme C21
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Ambient light sensor, proximity sensor, digital compass Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices - Fingerprint reader
Additional Phone Features Wet Touchscreen Operation, Glove Touchscreen Operation Super power saving mode, HyperEngine technology, Reverse charging
OTHERS CAT S41 Realme C21
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool
Compliant Standards MIL-STD 810G, IP68 TUV Rheinland
Max Depth of Water Resistance 2 m -
Max Height of Shock Resistance 1.8 m -
Max Operating Temperature 55 °C -
Min Operating Temperature -25 °C -
Other projects: