In depth comparison and review of CAT S31 and Oppo A94 5G. 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 S31 | Oppo A94 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 160.1 mm | Oppo A94 5G has greater height than CAT S31. |
| Width | 74.42 mm | 73.4 mm | CAT S31 has greater width than Oppo A94 5G. |
| Depth | 12.6 mm | 7.8 mm | Oppo A94 5G is narrower than CAT S31. |
| Weight | 200 g | 173 g | Oppo A94 5G is lighter than CAT S31. |
| Body Colour | - | Fluid black | |
| Protection | Shockproof, dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | CAT S31 is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.649 W/kg (body), 0.799 W/kg (head) | 0.992 W/kg | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S31 | Oppo A94 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 4.7" | 6.43" | Oppo A94 5G has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | Oppo A94 5G has better screen resolution than CAT S31. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 409 ppi | |
| Max Brightness | - | 800 cd/m² | |
| Display Enhancement Technology | Super Bright Display | - | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | CAT S31 | Oppo A94 5G |
|---|
| Processor Type (CPU) | Qualcomm | MediaTek Dimensity 800U | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | - | 2.4 GHz | |
| Processor Core Qty | Quad-core | 8-core | Oppo A94 5G has higher processor core quantity than CAT S31. |
| Graphics System (GPU) | - | ARM G57 MC3 |
| MEMORY | CAT S31 | Oppo A94 5G |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 8 GB | Oppo A94 5G has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Oppo A94 5G has more internal memory than CAT S31. |
| User Memory | - | 112 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | CAT S31 | Oppo A94 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Oppo A94 5G has better camera resolution than CAT S31. |
| Lens Aperture | - | F/1.7 | |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | - | 79 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | - | 4000 x 3000, 4000 x 2256, 3000 x 3000, 8000 x 6000, 4000 x 1800 | |
| Video Resolutions | 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | - | 119 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 89 degree(s) | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Field of View (4th Camera) | - | 89 degree(s) | |
| Camera Functions (4th Camera) | - | Monochrome |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 16 Megapixel | Oppo A94 5G has better front camera resolution than CAT S31. |
| Lens Aperture (Front) | - | F/2.4 | |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 78 degree(s) | |
| Focus Adjustment | Focus free | - | |
| Still Image Resolutions (Front) | - | 4624 x 3468 | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | CAT S31 | Oppo A94 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4310 mAh | Oppo A94 5G has larger battery capacity than CAT S31. |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology 4.0 | Oppo A94 5G has fast charging technology. |
| Standby Time | 912 hours | 330 hours | CAT S31 has longer standby time than Oppo A94 5G. |
| Talk Time | 1800 minutes | 1320 minutes | CAT S31 has longer battery life when making calls than Oppo A94 5G. |
| Run Time Details | Talk: up to 1800 min Standby: up to 912 hrs |
Talk: up to 1320 min Standby: up to 330 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S31 | Oppo A94 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Oppo A94 5G has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | ColorOS 11.1 (based on Android 11.1) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS |
| COMMUNICATIONS | CAT S31 | Oppo A94 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | LTE, VoLTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 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 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | - | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth | |
| NFC | - | Yes | Oppo A94 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | CAT S31 | Oppo A94 5G |
|---|
| Supported Digital Audio Standards | - | AAC, apt-X, LDAC, SBC, apt-X HD |
|---|
| FEATURES | CAT S31 | Oppo A94 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, 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, proximity sensor, gyro sensor, geomagnetic sensor, gravity sensor, optical sensor, light sensor | |
| Security Devices | - | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | Face Unlock, HD Voice, Wi-Fi Calling, Fingerprint 3.0 | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | Oppo A94 5G |
|---|
| Included Accessories | Power adapter | Headset, SIM card removal tool, USB-C cable, fast charge power adapter, protective case | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | - | |
| Max Depth of Water Resistance | 1.2 m | - | |
| Max Height of Shock Resistance | 1.8 m | - | |
| Max Operating Temperature | 55 °C | - | |
| Min Operating Temperature | -30 °C | - |
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