Alcatel U3 3G vs. CAT S31

Phone Comparison, Reviews and Tests

Side by side comparison and review of Alcatel U3 3G and CAT S31. 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.

Phone Specifications Comparison

Alcatel U3 3G vs. CAT S31 Comparison Chart
DESIGN AND DIMENSIONS Alcatel U3 3G CAT S31
Product Type Smartphone Smartphone
Form Factor Touch Touch - Rugged
Height 121.3 mm 146 mm CAT S31 has greater height than Alcatel U3 3G.
Width 64.4 mm 74.42 mm CAT S31 has greater width than Alcatel U3 3G.
Depth 9.7 mm 12.6 mm Alcatel U3 3G is narrower than Alcatel U3 3G.
Weight 102 g 200 g Alcatel U3 3G is lighter than Alcatel U3 3G.
Body Colour Volcano 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)
Integrated Components FM radio -
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
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Alcatel U3 3G CAT S31
Display Type LCD display LCD display
Display Technology TFT IPS
Screen Size (Display Size) 4" 4.7" CAT S31 has larger screen size than Alcatel U3 3G.
Screen Resolution (Display Resolution) 800 x 480 pixels 1280 x 720 pixels CAT S31 has better screen resolution than Alcatel U3 3G.
Display Format - HD
Display Enhancement Technology - Super Bright Display
Display Protection (Screen Protector) - Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR Alcatel U3 3G CAT S31
Processor Type (CPU) - Qualcomm
Processor Number - MSM8909
Clock Speed 1.3 GHz -
Processor Core Qty Dual-core Quad-core CAT S31 has higher processor core quantity than Alcatel U3 3G.
MEMORY Alcatel U3 3G CAT S31
RAM 512 MB 2 GB CAT S31 has more RAM than Alcatel U3 3G.
Internal Memory Size (Storage Capacity) 4 GB 16 GB CAT S31 has more internal memory than Alcatel U3 3G.
User Memory 700 MB -
Supported Flash Memory Cards (Expandable Memory) microSDHC - up to 32 GB microSDHC, microSDXC - up to 128 GB
CAMERA Alcatel U3 3G CAT S31
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 2 Megapixel 8 Megapixel CAT S31 has better camera resolution than Alcatel U3 3G.
Focus Adjustment Focus free Automatic
Light Source LED light LED flash
Video Resolutions - 1280 x 720 (720p) at 120 fps
Camera Features (Functions) Interpolated to 3MP -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 0.3 Megapixel 2 Megapixel CAT S31 has better front camera resolution than Alcatel U3 3G.
Focus Adjustment - Focus free
Light Source (Front) LED flash -
Camera Features (Front) Interpolated to 1.3MP -
BATTERY AND CHARGING Alcatel U3 3G CAT S31
Battery Capacity (Battery Size) 1500 mAh 4000 mAh CAT S31 has larger battery capacity than Alcatel U3 3G.
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 Alcatel U3 3G CAT S31
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 3G 4G CAT S31 has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) Android 7.0 Nougat
Navigation GPS, A-GPS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Alcatel U3 3G CAT S31
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+ 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 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 900 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
Wireless Interface IEEE 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 4.0 Bluetooth 4.1
Messaging Services SMS, MMS SMS, MMS
FEATURES Alcatel U3 3G CAT S31
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 Proximity sensor, G-sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Additional Phone Features Radio Data Service (RDS) Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation
Android Enterprise Recommended - Yes
OTHERS Alcatel U3 3G 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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