Xiaomi MI 9 SE vs. CAT S42

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 SE 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 9 SE vs. CAT S42 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 SE CAT S42
Product Type Smartphone Smartphone
Form Factor Touch Touch - Rugged
Height 147.5 mm 161.3 mm CAT S42 has greater height than Xiaomi MI 9 SE.
Width 70.5 mm 77.2 mm CAT S42 has greater width than Xiaomi MI 9 SE.
Depth 7.45 mm 12.7 mm Xiaomi MI 9 SE is narrower than Xiaomi MI 9 SE.
Weight 155 g 220 g Xiaomi MI 9 SE is lighter than Xiaomi MI 9 SE.
Body Colour Ocean blue | Piano black -
Body Material Glass -
Protection - Shockproof, dustproof, splashproof, waterproof, sandproof, dirtproof, drop-proof
Waterproof (Water-resistant) - Yes CAT S42 is waterproof.
IP rating - IP68, IP69
SAR Value 1.385 W/kg (body), 1.385 W/kg (head) 0.947 W/kg (head), 1.206 W/kg (body), 2.029 W/kg (limb)
Integrated Components - FM radio
Connector Type USB Type-C - 24 pin USB-C USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 9 SE CAT S42
Display Type OLED display LCD display
Display Technology AMOLED IPS
Screen Size (Display Size) 5.97" 5.5" Xiaomi MI 9 SE has larger screen size than CAT S42.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1440 x 720 pixels Xiaomi MI 9 SE has better screen resolution than CAT S42.
Display Format Full HD+ HD+
Pixel Density 432 ppi -
Aspect Ratio - 18:9
Max Brightness 600 cd/m² -
Contrast Ratio 60000:1 -
HDR Yes - Xiaomi MI 9 SE has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Sunshine mode 2.0 Super Bright Display
Display Features Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode -
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI 9 SE CAT S42
Processor Type (CPU) Qualcomm Snapdragon 712 MediaTek Helio A20
Clock Speed 2.3 GHz -
Processor Core Qty 8-core Quad-core Xiaomi MI 9 SE has higher processor core quantity than CAT S42.
64-bit Architecture Yes - Xiaomi MI 9 SE has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 616 -
MEMORY Xiaomi MI 9 SE CAT S42
RAM LPDDR4X SDRAM - 6 GB 3 GB Xiaomi MI 9 SE has more RAM than CAT S42.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Xiaomi MI 9 SE has more internal memory than CAT S42.
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 128 GB
CAMERA Xiaomi MI 9 SE CAT S42
MAIN CAMERA
Number of Main Cameras 3 1
Sensor Resolution 48 Megapixel 13 Megapixel Xiaomi MI 9 SE has better camera resolution than CAT S42.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/1.75 F/2.0 Xiaomi MI 9 SE has better lens aperture than Xiaomi MI 9 SE.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 2x -
Digital Zoom 10x -
Special Effects HDR -
Camera Modes Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode -
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 SE has face detection.
Light Source Dual flash LED flash
Video Resolutions 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, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps -
Camera Features (Functions) Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion Phase Detect Auto-Focus (PDAF)
SECOND CAMERA
Sensor Resolution (2nd Camera) 13 Megapixel -
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.4 -
Field of View (2nd Camera) 123 degree(s) -
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel -
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) F/2.4 -
Pixel Size (3rd Camera) 1 μm -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 5 Megapixel Xiaomi MI 9 SE has better front camera resolution than CAT S42.
Focus Adjustment - Focus free
Special Effects (Front) HDR, Magic mirror -
Camera Modes (Front) AI portrait mode, AI Beautify, AI makeup -
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 SE has face detection.
Camera Features (Front) Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare -
BATTERY AND CHARGING Xiaomi MI 9 SE CAT S42
Battery Capacity (Battery Size) 3070 mAh 4200 mAh CAT S42 has larger battery capacity than Xiaomi MI 9 SE.
Fast Charging Technology Qualcomm Quick Charge 4.0+ - Xiaomi MI 9 SE has fast charging technology.
Battery Technology - Lithium Ion
CELLULAR Xiaomi MI 9 SE CAT S42
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - Android 10
User Interface MIUI 10 -
Intelligent Assistant Google Assistant -
Payment Technology Google Pay Android Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI 9 SE 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 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, 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 IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 9 SE CAT S42
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, apt-X HD -
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4 -
Sound Enhancements Qualcomm TrueWireless Stereo Plus -
FEATURES Xiaomi MI 9 SE 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, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader (under display) -
Additional Phone Features Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo Wet Touchscreen Operation, Glove Touchscreen Operation
OTHERS Xiaomi MI 9 SE CAT S42
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable Power adapter
Compliant Standards TUV Rheinland Certified Safe Fast-Charge System 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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