Side by side comparison and review of CAT S31 and OPPO Reno2 Z. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | CAT S31 | OPPO Reno2 Z |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 161.8 mm | OPPO Reno2 Z has greater height than CAT S31. |
| Width | 74.42 mm | 75.8 mm | OPPO Reno2 Z has greater width than CAT S31. |
| Depth | 12.6 mm | 8.7 mm | OPPO Reno2 Z is narrower than CAT S31. |
| Weight | 200 g | 195 g | OPPO Reno2 Z is lighter than CAT S31. |
| Body Colour | - | Luminous black | Sky white | |
| Body Material | - | Corning Gorilla Glass 5 | |
| 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) | 0.872 W/kg (head), 3.99 W/kg (limb), 1.282 W/kg (body) | |
| 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 Reno2 Z |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 4.7" | 6.5" | OPPO Reno2 Z has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | OPPO Reno2 Z has better screen resolution than CAT S31. |
| Display Format | HD | - | |
| Pixel Density | - | 394 ppi | |
| Max Brightness | - | 430 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 60000:1 | |
| Display Enhancement Technology | Super Bright Display | OnCell technology | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | CAT S31 | OPPO Reno2 Z |
|---|
| Processor Type (CPU) | Qualcomm | MediaTek Helio P90 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Processor Core Qty | Quad-core | - | |
| Graphics System (GPU) | - | IMG 9XM-HP8 |
| MEMORY | CAT S31 | OPPO Reno2 Z |
|---|
| RAM | 2 GB | 8 GB | OPPO Reno2 Z has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | OPPO Reno2 Z has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | CAT S31 | OPPO Reno2 Z |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | OPPO Reno2 Z has better camera resolution than CAT S31. |
| Sensor Size | - | 1/2" | |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Aperture | - | F/1.7 | |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR | |
| Camera Modes | - | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Professional mode, Night scene mode, Portrait Mode 2.0, Portrait bokeh mode | |
| Light Source | LED flash | Dual 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, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | Electronic Image Stabiliser (EIS), NPU Acceleration |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4.0" | |
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Bokeh lens | |
| Lens Aperture (4th Camera) | - | F/2.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Front Camera Design | - | Pop-up | |
| Sensor Resolution (Front) | 2 Megapixel | 16 Megapixel | OPPO Reno2 Z has better front camera resolution than CAT S31. |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 5-element | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | Video bokeh effect | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | CAT S31 | OPPO Reno2 Z |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology 3.0 | OPPO Reno2 Z has fast charging technology. |
| Standby Time | 912 hours | - | |
| Talk Time | 1800 minutes | - | |
| Run Time Details | Talk: up to 1800 min Standby: up to 912 hrs |
Gaming: up to 8 hrs Playback (video): up to 13 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S31 | OPPO Reno2 Z |
|---|
| 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 6.1 (based on Android 9) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | CAT S31 | OPPO Reno2 Z |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| NFC | - | Yes | OPPO Reno2 Z has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S31 | OPPO Reno2 Z |
|---|
| Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio |
|---|
| FEATURES | CAT S31 | OPPO Reno2 Z |
|---|
| 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, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | |
| Security Devices | - | Fingerprint reader (under display) | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | Fingerprint 3.0, SLA Dual Channel Network 2.0 | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | OPPO Reno2 Z |
|---|
| Included Accessories | Power adapter | Headset, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | |
|---|---|---|---|
| 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 | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
