Detailed comparison and review of CAT S31 and OPPO A17. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | CAT S31 | OPPO A17 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2477 | |
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 164.2 mm | OPPO A17 has greater height than CAT S31. |
| Width | 74.42 mm | 75.6 mm | OPPO A17 has greater width than CAT S31. |
| Depth | 12.6 mm | 8.3 mm | OPPO A17 is narrower than CAT S31. |
| Weight | 200 g | 189 g | OPPO A17 is lighter than CAT S31. |
| Body Colour | - | Lake blue | Midnight black | |
| Protection | Shockproof, dustproof, waterproof | Splash-resistant | |
| Waterproof (Water-resistant) | Yes | - | CAT S31 is waterproof. |
| IP rating | IP68 | IPX4 | |
| Repairability Index | - | 7.4 (out of 10) | |
| SAR Value | 1.649 W/kg (body), 0.799 W/kg (head) | 0.94 W/kg (body), 0.81 W/kg (head), 1.99 W/kg (limb) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B 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 A17 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 4.7" | 6.56" | OPPO A17 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1612 x 720 pixels | OPPO A17 has better screen resolution than CAT S31. |
| Display Format | HD | HD+ | |
| Pixel Density | - | 269 ppi | |
| Aspect Ratio | - | 20.1:9 | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | Super Bright Display | - | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | - | Night mode, Eye comfort mode, 100% DCI-P3, 96% NTSC, 100% sRGB, 72% NTSC | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Panda Glass MN228 |
| PROCESSOR | CAT S31 | OPPO A17 |
|---|
| Processor Type (CPU) | Qualcomm | MediaTek Helio G35 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | Quad-core | 8-core | OPPO A17 has higher processor core quantity than CAT S31. |
| Graphics System (GPU) | - | IMG GE8320 |
| MEMORY | CAT S31 | OPPO A17 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 4 GB + up to 4 GB virtual extension | OPPO A17 has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | OPPO A17 has more internal memory than CAT S31. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | CAT S31 | OPPO A17 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 50 Megapixel | OPPO A17 has better camera resolution than CAT S31. |
| Sensor Size | - | 1/2.76" | |
| Sensor Name | - | Samsung S5KJN1 | |
| Lens Aperture | - | F/1.8 | |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | - | 77 degree(s) | |
| Pixel Size | - | 0.64 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Digital Zoom | - | 5x | |
| Special Effects | - | Stickers | |
| Camera Modes | - | Panorama, Time-lapse mode, Expert Mode, Night | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | Google Lens, open-loop motor, Panda Glass MN228 (protective lens glass) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 0.3 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.8 | |
| Lens Element Qty (2nd Camera) | - | 2-element | |
| Field of View (2nd Camera) | - | 60 degree(s) | |
| Camera Features (2nd Camera) | - | IR lens |
| THIRD CAMERA |
|---|
| Field of View (3rd Camera) | - | 55 degree(s) |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 5 Megapixel | OPPO A17 has better front camera resolution than CAT S31. |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | - | F/2.2 | |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | - | 76.8 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Min Focal Length (Front) | - | 27 mm | |
| Special Effects (Front) | - | HDR, Stickers | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, Portrait | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | Face retouching |
| BATTERY AND CHARGING | CAT S31 | OPPO A17 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | OPPO A17 has larger battery capacity than CAT S31. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 190 min | |
| Standby Time | 912 hours | 790 hours | CAT S31 has longer standby time than OPPO A17. |
| Talk Time | 1800 minutes | 1254 minutes | CAT S31 has longer battery life when making calls than OPPO A17. |
| Run Time Details | Talk: up to 1800 min Standby: up to 912 hrs |
Standby: up to 790 hrs Playback (Music): up to 27.4 hrs Playback (video): up to 20 hrs Talk: up to 1254 min |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S31 | OPPO A17 |
|---|
| 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 | ColorOS 12.1 (based on Android 12) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | CAT S31 | OPPO A17 |
|---|
| 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 8, 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 900, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.3 BLE | |
| Messaging Services | SMS, MMS | - |
| MEDIA | CAT S31 | OPPO A17 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, TS, WebM, MP4 | |
| Sound Enhancements | - | Dirac audio optimisation |
| FEATURES | CAT S31 | OPPO A17 |
|---|
| Phone Functions | 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, geomagnetic sensor, gravity sensor, light sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | OTG Reverse Charge | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | OPPO A17 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, protective case, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | IPX4 | |
| 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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