OPPO R7s vs. CAT S31

Phone Comparison, Reviews and Tests

Detailed comparison and review of OPPO R7s and CAT S31. 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.

Phone Specifications Comparison

OPPO R7s vs. CAT S31 Comparison Chart
DESIGN AND DIMENSIONS OPPO R7s CAT S31
Product Type Smartphone Smartphone
Form Factor Touch Touch - Rugged
Height 151.8 mm 146 mm OPPO R7s has greater height than CAT S31.
Width 75.4 mm 74.42 mm OPPO R7s has greater width than CAT S31.
Depth 7 mm 12.6 mm OPPO R7s is narrower than OPPO R7s.
Weight 155 g 200 g OPPO R7s is lighter than OPPO R7s.
Body Colour Rose gold -
Protection - Shockproof, dustproof, waterproof
Waterproof (Water-resistant) - Yes CAT S31 is waterproof.
IP rating - IP68
SAR Value 1.066 W/kg (body), 0.799 W/kg (head) 1.649 W/kg (body), 0.799 W/kg (head)
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM, nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD -
DISPLAY OPPO R7s CAT S31
Display Type OLED display LCD display
Display Technology AMOLED IPS
Screen Size (Display Size) 5.5" 4.7" OPPO R7s has larger screen size than CAT S31.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1280 x 720 pixels OPPO R7s has better screen resolution than CAT S31.
Display Format Full HD HD
Pixel Density 401 ppi -
Colour Depth 16.7 million colours -
Display Enhancement Technology - Super Bright Display
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass) Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR OPPO R7s CAT S31
Processor Type (CPU) Qualcomm Snapdragon 615 Qualcomm
Processor Number - MSM8909
Clock Speed 1.5 GHz -
Processor Core Qty 8-core Quad-core OPPO R7s has higher processor core quantity than CAT S31.
Graphics System (GPU) Qualcomm ADRENO 405 -
MEMORY OPPO R7s CAT S31
RAM 4 GB 2 GB OPPO R7s has more RAM than CAT S31.
Internal Memory Size (Storage Capacity) 32 GB 16 GB OPPO R7s has more internal memory than CAT S31.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 128 GB
CAMERA OPPO R7s CAT S31
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 13 Megapixel 8 Megapixel OPPO R7s has better camera resolution than CAT S31.
Lens Aperture F/2.2 -
Focus Adjustment Automatic Automatic
HDR Mode Auto HDR mode -
Camera Modes Panorama -
Face Recognition (Face ID) Face detection - OPPO R7s has face detection.
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) 1280 x 720 (720p) at 120 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 2 Megapixel OPPO R7s has better front camera resolution than CAT S31.
Lens Aperture (Front) F/2.4 -
Focus Adjustment - Focus free
BATTERY AND CHARGING OPPO R7s CAT S31
Battery Capacity (Battery Size) 3070 mAh 4000 mAh CAT S31 has larger battery capacity than OPPO R7s.
Standby Time - 912 hours
Talk Time - 1800 minutes
Run Time Details - Talk: up to 1800 min
Standby: up to 912 hrs
Battery Technology Lithium polymer Lithium Ion
CELLULAR OPPO R7s CAT S31
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System ColorOS 2.1 (based on Android 5.1) Android 7.0 Nougat
Navigation GPS, A-GPS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS OPPO R7s CAT S31
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 4, Band 7, Band 17 Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 2600, FDD 700b FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.0 Bluetooth 4.1
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO R7s CAT S31
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ -
Supported Digital Video Standards MPEG-4, H.264 -
FEATURES OPPO R7s CAT S31
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, proximity sensor, digital compass Accelerometer, ambient light sensor, proximity sensor, digital compass
Additional Phone Features Noise Cancellation Technology Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation
Android Enterprise Recommended - Yes
OTHERS OPPO R7s CAT S31
Included Accessories Power adapter Power adapter
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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