In depth comparison and review of CAT S40 and ASUS ROG Phone 3. 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 | CAT S40 | ASUS ROG Phone 3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS661KS | |
| Form Factor | Touch - Rugged | Touch | |
| Height | 144.9 mm | 171 mm | ASUS ROG Phone 3 has greater height than CAT S40. |
| Width | 74.1 mm | 78 mm | ASUS ROG Phone 3 has greater width than CAT S40. |
| Depth | 12.5 mm | 9.85 mm | ASUS ROG Phone 3 is narrower than CAT S40. |
| Weight | 185 g | 240 g | CAT S40 is lighter than CAT S40. |
| Body Colour | Black | Black glare | |
| Protection | Shockproof, dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | CAT S40 is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 0.429 W/kg (body), 0.609 W/kg (head) | - | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S40 | ASUS ROG Phone 3 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 4.7" | 6.59" | ASUS ROG Phone 3 has larger screen size than CAT S40. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 2340 x 1080 pixels | ASUS ROG Phone 3 has better screen resolution than CAT S40. |
| Aspect Ratio | - | 19.5:9 | |
| HDR | - | Yes | ASUS ROG Phone 3 has HDR. |
| Display Refresh Rate | - | 144 Hz | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | CAT S40 | ASUS ROG Phone 3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 865 | |
|---|---|---|---|
| Processor Number | MSM8909 | SM8250 | |
| Clock Speed | 1.1 GHz | 2.84 GHz | ASUS ROG Phone 3 has higher clock speed than CAT S40. |
| Processor Core Qty | Quad-core | 8-core | ASUS ROG Phone 3 has higher processor core quantity than CAT S40. |
| 64-bit Architecture | - | Yes | ASUS ROG Phone 3 has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 650 |
| MEMORY | CAT S40 | ASUS ROG Phone 3 |
|---|
| RAM | 1 GB | LPDDR4X SDRAM - 8 GB | ASUS ROG Phone 3 has more RAM than CAT S40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | ASUS ROG Phone 3 has more internal memory than CAT S40. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 64 GB | - |
| CAMERA | CAT S40 | ASUS ROG Phone 3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 64 Megapixel | ASUS ROG Phone 3 has better camera resolution than CAT S40. |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 24 Megapixel | ASUS ROG Phone 3 has better front camera resolution than CAT S40. |
| BATTERY AND CHARGING | CAT S40 | ASUS ROG Phone 3 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 6000 mAh | ASUS ROG Phone 3 has larger battery capacity than CAT S40. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0, Asus ROG HyperCharge | ASUS ROG Phone 3 has fast charging technology. |
| Standby Time | 936 hours | - | |
| Talk Time | 1080 minutes | - | |
| Run Time Details | Talk: up to 1080 min Standby: up to 936 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S40 | ASUS ROG Phone 3 |
|---|
| Technology | WCDMA (UMTS) / GSM | TD-SCDMA / WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | ASUS ROG Phone 3 has more advanced generation mobile network. |
| Operating System | Android 5.1 (Lollipop) | Android 10 | |
| User Interface | - | ROG UI | |
| Navigation | GPS, A-GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | CAT S40 | ASUS ROG Phone 3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, 5G NR | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.1 | |
| Bluetooth Profiles | - | HFP, OPP, PAN, A2DP, AVRCP, HID | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S40 | ASUS ROG Phone 3 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, AAC +, OGG, eAAC+, MKA, MIDI | Apt-X, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, VP8, VP9, H.265 | - |
| FEATURES | CAT S40 | ASUS ROG Phone 3 |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, ultrasonic sensor | |
| Security Devices | - | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | TTY compatible, E-911 compliant, Face Unlock, Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | MIMO technology, Four microphones with Noise Reduction technology |
| OTHERS | CAT S40 | ASUS ROG Phone 3 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, protective case, 30W fast charger, AeroCooler 3 Fan with USB-C and 3.5mm audio jack | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | - | |
| Max Operating Temperature | 55 °C | - | |
| Min Operating Temperature | -25 °C | - |
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