Autel MaxiSys Ultra S2 vs. Ultra: Detailed Comparison

When choosing between the Autel MaxiSys Ultra S2 and the MaxiSys Ultra, understanding the differences in hardware, software, cloud services, and expandability will help you decide which tool best fits your needs.

1. Hardware Comparison

MaxiSys Ultra

• Processor: Samsung 8-core
• Memory: 8GB RAM / 256GB ROM
• Battery: 18,000 mAh
• OS: Android 11
• Display: 12.7-inch, 2732 × 2048 resolution
• Interfaces: HDMI, 2 USB Type A, USB Mini, SD card (up to 256GB)
• Audio: Dual speakers, 4 microphones, audio jack
• Cameras: 16MP front & rear
• Lower Computer: MaxiFlash VCMI

MaxiSys Ultra S2

• Processor: Qualcomm 8-core (faster and more efficient)
• Memory: 12GB RAM / 512GB ROM
• Battery: 18,000 mAh
• OS: Android 13
• Display: 13.7-inch, 2176 × 1600 resolution
• Interfaces: HDMI 2.0, 2 USB Type A, 1 USB Type-C, SD card (up to 256GB)
• Audio: Dual speakers, 4 microphones, audio jack
• Cameras: 16MP front & rear
• Lower Computer: MaxiFlash VCMI 2
• Extra: Supports DC fast charging; dual Wi-Fi connection (host and VCMI can connect separately)

Verdict: Ultra S2 offers more powerful hardware, larger memory, newer Android version, bigger screen, and improved connectivity.

2. Software Comparison

Shared Functions

• Read/Clear codes, ECU info, freeze frame, active tests
• Service & special functions
• Guided functions (VW, Audi, Skoda, Seat, MAN LD)
• High-voltage diagnostics (requires EV box)
• McLaren & Tesla diagnosis
• Online programming/coding (varies by brand)
• Topology map & data stream

Ultra

• Data Stream 2.0 (single system)
• Topology Map 2.0
• ECU programming/coding: Mercedes-Benz, BMW, Mini, Audi, Porsche, VW

Ultra S2

• Data Stream 3.0 (multi-system)
• Topology Map 3.0
• Broader ECU programming/coding (supports more brands, including Nissan GT-R, Infiniti, Hyundai, Kia, Subaru, Land Rover, Jaguar, Renault, GreatWall)
• Offline programming support for more vehicles
• AI voice assistant, digital vehicle detection, independent vehicle ID entry
• High-voltage system diagnostics without EV box binding

Verdict: Ultra S2 adds more advanced features, broader offline programming support, and AI capabilities.

3. Cloud Services & Expandability

Both Models Support:

• Remote Expert (except Europe)
• Report management
• J2534 & RP1210
• DoIP & CAN FD
• Pre & post scan
• Auto VIN, Wi-Fi printing
• Optional add-ons: oscilloscope, multimeter, 4-wheel alignment, battery test, EV Box
• Security Gateway unlock (FCA, Renault, Nissan, VAG, Benz AutoAuth)

Ultra S2 Advantages:

• Oscilloscope 3.0 (improved analysis)
• Digital vehicle inspection with scan reports

Verdict: Both are expandable, but Ultra S2 adds newer cloud and oscilloscope functions.

4. How to Choose

MaxiSys Ultra (Cost-Effective Option)

• Best for: Comprehensive repair shops seeking flagship-level performance at a lower cost.
• Strengths:
  • Solid hardware and software capabilities
  • Data Stream 2.0 & Topology Map 2.0
  • Full support for diagnostics, coding, and programming of major brands
  • More affordable

MaxiSys Ultra S2 (Latest Flagship)

• Best for: High-end repair shops demanding cutting-edge performance, AI, and advanced features.
• Strengths:
  • Stronger hardware with more RAM/ROM
  • Data Stream 3.0 & Topology Map 3.0
  • AI voice assistant and digital vehicle detection
  • Enhanced offline programming and broader coverage
  • High-voltage system diagnosis without EV box
  • Larger display and faster performance

Summary

• Ultra: Reliable, powerful, and budget-friendly flagship tool for most repair shops.
• Ultra S2: Premium model with advanced hardware, AI, expanded software, and improved connectivity.

Key Differences at a Glance:

• Hardware: Ultra S2 has a faster CPU, more memory, and bigger screen.
• Software: Ultra S2 adds AI, digital vehicle detection, and wider programming coverage.
• Connectivity: Ultra S2 supports dual Wi-Fi and fast charging.
• Diagnostics: Ultra S2 performs high-voltage diagnosis without an EV box.
• Price: Ultra is more affordable, Ultra S2 is premium-priced.

Recommendation: Choose MaxiSys Ultra if you want strong performance at a lower cost. Choose MaxiSys Ultra S2 if you need the latest flagship technology and AI-powered features.

How to Bind Autel MaxiSys Ultra/Ultra S2 with EVDiag Box

When performing High Voltage System Diagnosis, Battery Pack Offline Testing, Component Testing, or SOH (State of Health) Battery Health Assessment with Autel tools such as MS909, MS919, MaxiSys Ultra, or Ultra S2, it is necessary to bind the Autel EVDiag Box to your device. Follow the steps below to complete the binding process.

Menu Path

MaxiSys → Settings → EVDiag Box Settings

Binding Steps

Step 1:
Connect the Autel EVDiag Box and its adapters to the supported Autel diagnostic scanner.

Step 2:
Read the serial number and link the EVDiag Box in the settings menu.

Once completed, the Autel EVDiag Box will be successfully bound to your Autel device, enabling high-voltage diagnostic and battery testing functions.

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