Xiaomi MI A1 vs. CAT S42

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI A1 and CAT S42. 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

Xiaomi MI A1 vs. CAT S42 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A1 CAT S42
Product Type Smartphone Smartphone
Form Factor Touch Touch - Rugged
Height 155.4 mm 161.3 mm CAT S42 has greater height than Xiaomi MI A1.
Width 75.8 mm 77.2 mm CAT S42 has greater width than Xiaomi MI A1.
Depth 7.3 mm 12.7 mm Xiaomi MI A1 is narrower than Xiaomi MI A1.
Weight 165 g 220 g Xiaomi MI A1 is lighter than Xiaomi MI A1.
Body Colour Black -
Body Material Metal -
Protection - Shockproof, dustproof, splashproof, waterproof, sandproof, dirtproof, drop-proof
Waterproof (Water-resistant) - Yes CAT S42 is waterproof.
IP rating - IP68, IP69
SAR Value 0.76 W/kg (body), 1.75 W/kg (head) 0.947 W/kg (head), 1.206 W/kg (body), 2.029 W/kg (limb)
Integrated Components FM radio FM radio
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Xiaomi MI A1 CAT S42
Display Type LCD display LCD display
Display Technology LTPS IPS IPS
Screen Size (Display Size) 5.5" 5.5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1440 x 720 pixels Xiaomi MI A1 has better screen resolution than CAT S42.
Display Format Full HD HD+
Pixel Density 403 ppi -
Aspect Ratio - 18:9
Max Brightness 450 cd/m² -
Display Enhancement Technology - Super Bright Display
Display Features 2.5D curved glass -
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI A1 CAT S42
Processor Type (CPU) Qualcomm Snapdragon 625 MediaTek Helio A20
Clock Speed 2 GHz -
Processor Core Qty 8-core Quad-core Xiaomi MI A1 has higher processor core quantity than CAT S42.
Graphics System (GPU) Qualcomm ADRENO 506 -
MEMORY Xiaomi MI A1 CAT S42
RAM 4 GB 3 GB Xiaomi MI A1 has more RAM than CAT S42.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 128 GB
CAMERA Xiaomi MI A1 CAT S42
MAIN CAMERA
Number of Main Cameras 2 1
Sensor Resolution 12 Megapixel 13 Megapixel CAT S42 has better camera resolution than Xiaomi MI A1.
Lens Type Wide-angle lens -
Lens Aperture F/2.2 F/2.0 CAT S42 has better lens aperture than Xiaomi MI A1.
Lens Construction 5-element -
Focus Adjustment Automatic Automatic
Optical Zoom 2x -
Digital Zoom 10x -
Special Effects HDR, Beautify 3.0 -
Camera Modes Panorama, Continuous shot, low-light shots -
Face Recognition (Face ID) Face recognition - Xiaomi MI A1 has face detection.
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps -
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash Phase Detect Auto-Focus (PDAF)
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel -
Lens Type (2nd Camera) Telephoto lens -
Lens Aperture (2nd Camera) F/2.6 -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 5 Megapixel Both phones have the same front camera resolution.
Focus Adjustment - Focus free
Camera Modes (Front) Beautify with 36 smart beauty profiles -
Face Recognition (Face ID) Face recognition - Xiaomi MI A1 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Self-timer -
BATTERY AND CHARGING Xiaomi MI A1 CAT S42
Battery Capacity (Battery Size) 3080 mAh 4200 mAh CAT S42 has larger battery capacity than Xiaomi MI A1.
Battery Technology Lithium Ion Lithium Ion
CELLULAR Xiaomi MI A1 CAT S42
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android Android 10
Intelligent Assistant Google Assistant -
Payment Technology - Android Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI A1 CAT S42
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-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 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28
4G LTE Frequency FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles HID -
NFC - Yes CAT S42 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI A1 CAT S42
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB -
Supported Digital Video Standards MKV, XviD, MPEG-4, M4V -
Sound Enhancements Dirac HD Sound -
FEATURES Xiaomi MI A1 CAT S42
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, gyro sensor, hall sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader -
Additional Phone Features Noise suppression by Fortemedia Wet Touchscreen Operation, Glove Touchscreen Operation
OTHERS Xiaomi MI A1 CAT S42
Included Accessories Power adapter Power adapter
Compliant Standards - MIL-STD 810G, IP68, IP69
Max Depth of Water Resistance - 1.5 m
Max Height of Shock Resistance - 1.8 m
Max Operating Temperature - 55 °C
Min Operating Temperature - -25 °C
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