CAT S31 vs. OPPO Reno8 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of CAT S31 and OPPO Reno8 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.

Phone Specifications Comparison

CAT S31 vs. OPPO Reno8 5G Comparison Chart
DESIGN AND DIMENSIONS CAT S31 OPPO Reno8 5G
Product Type Smartphone Smartphone
Form Factor Touch - Rugged Touch
Height 146 mm 160 mm OPPO Reno8 5G has greater height than CAT S31.
Width 74.42 mm 73.4 mm CAT S31 has greater width than OPPO Reno8 5G.
Depth 12.6 mm 7.67 mm OPPO Reno8 5G is narrower than CAT S31.
Weight 200 g 179 g OPPO Reno8 5G is lighter than CAT S31.
Body Colour - Shimmer black | Gold shimmer
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) 0.96 W/kg (head), 1.288 W/kg (body), 2.756 W/kg (limb)
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY CAT S31 OPPO Reno8 5G
Display Type LCD display OLED display
Display Technology IPS Rigid AMOLED
Screen Size (Display Size) 4.7" 6.4" OPPO Reno8 5G has larger screen size than CAT S31.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2400 x 1080 pixels OPPO Reno8 5G has better screen resolution than CAT S31.
Display Format HD Full HD
Pixel Density - 409 ppi
Max Brightness - 800 cd/m²
Colour Depth - 16.7 million colours
HDR - Yes OPPO Reno8 5G has HDR.
Display Enhancement Technology Super Bright Display -
Display Refresh Rate - 90 Hz
Touch Sampling Rate - 180 Hz
Display Features - O1 Ultra Vision Engine, Eye Care, 97% NTSC, 95% DCI-P3
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR CAT S31 OPPO Reno8 5G
Processor Type (CPU) Qualcomm MediaTek Dimensity 1300
Processor Number MSM8909 -
Clock Speed - 3 GHz
Processor Core Qty Quad-core 8-core OPPO Reno8 5G has higher processor core quantity than CAT S31.
Graphics System (GPU) - ARM Mali-G77 MC9
MEMORY CAT S31 OPPO Reno8 5G
RAM 2 GB LPDDR4X SDRAM - 8 GB OPPO Reno8 5G has more RAM than CAT S31.
Internal Memory Size (Storage Capacity) 16 GB 256 GB OPPO Reno8 5G has more internal memory than CAT S31.
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB -
CAMERA CAT S31 OPPO Reno8 5G
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 8 Megapixel 50 Megapixel OPPO Reno8 5G has better camera resolution than CAT S31.
Sensor Size - 1/1.56"
Sensor Name - Sony Exmor RS IMX766 sensor
Lens Aperture - F/1.8
Lens Construction - 7-element
Field of View (FoV) - 86 degree(s)
Focus Adjustment Automatic Automatic
Special Effects - Stickers, DOL-HDR
Camera Modes - Panorama, Time-lapse mode, Slow motion mode, Pro mode, HYPERLAPSE, Portrait, Night, Macro slow-motion video, Dual-View Video, Extra HD, Text scanner
Light Source LED flash -
Video Resolutions 1280 x 720 (720p) at 120 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps
Camera Features (Functions) - AI Portrait, All Pixel OmniDirectional PDAF
SECOND CAMERA
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) - 112 degree(s)
THIRD CAMERA
Lens Element Qty (3rd Camera) - 3-element
Field of View (3rd Camera) - 89 degree(s)
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 2 Megapixel 32 Megapixel OPPO Reno8 5G has better front camera resolution than CAT S31.
Sensor Size (Front) - 1/2.74"
Sensor Name (Front) - Sony IMX709 sensor
Lens Aperture (Front) - F/2.4
Lens Element Qty (Front) - 5-element
Field of View (Front) - 85 degree(s)
Focus Adjustment Focus free -
Special Effects (Front) - RGB, Stickers, DOL-HDR
Camera Modes (Front) - Panorama, Time-lapse mode, night mode, Portrait, Dual-View Video
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) - AI portrait retouching
BATTERY AND CHARGING CAT S31 OPPO Reno8 5G
Battery Capacity (Battery Size) 4000 mAh 4500 mAh OPPO Reno8 5G has larger battery capacity than CAT S31.
Fast Charging Technology - Qualcomm Quick Charge, VOOC Flash Charge technology, SuperVOOC Flash Charge technology, Power Delivery OPPO Reno8 5G 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
-
Battery Technology Lithium Ion -
CELLULAR CAT S31 OPPO Reno8 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G OPPO Reno8 5G has more advanced generation mobile network.
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, QZSS
COMMUNICATIONS CAT S31 OPPO Reno8 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE FDD-LTE, TDD-LTE, 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 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 12, Band 17, 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 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, 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, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.1 Bluetooth 5.3 BLE
NFC - Yes OPPO Reno8 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA CAT S31 OPPO Reno8 5G
Supported Digital Audio Standards - AAC, LDAC, SBC, apt-X HD
FEATURES CAT S31 OPPO Reno8 5G
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, optical sensor, light sensor, gyroscope
Security Devices - Fingerprint reader (under display), face recognition
Additional Phone Features Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation MIMO technology, Air Gesture, MU-MIMO technology, Step counter, AI System Booster, Battery Health Engine, Super-Conductive VC Liquid Cooling System
Android Enterprise Recommended Yes -
OTHERS CAT S31 OPPO Reno8 5G
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards MIL-STD 810G, IP68 TUV SUD, SGS Eye Care Display Certification, Netflix HD Certification, Amazon Prime Video HD Certification
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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