As USB-C becomes the universal standard for phones, tablets, and laptops, many users still wonder:
What’s the difference between USB-C to USB-C and USB-C to USB-A cables?
And more importantly—which one is better for fast charging and everyday use?
If you’re searching for a 100W USB-C fast charging cable, an E-Marked PD cable, or a durable braided USB-C cable, this guide will help you understand the essential differences and choose the right one.
What Is a USB-C to USB-C Cable?
A USB-C to USB-C cable features USB-C connectors on both ends, offering:
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Higher power delivery (up to 100W / 20V 5A)
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Support for USB-C PD (Power Delivery) fast charging
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Fast and stable charging performance
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Wide compatibility with modern USB-C devices
High-power USB-C to USB-C cables typically include an E-Marker chip to ensure safe power transmission.
Best for:
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Charging laptops (MacBook Pro/Air, Surface, Chromebook)
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Fast-charging iPad Pro / Samsung tablets
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Samsung PPS fast charging (Galaxy S20/S10/Note10)
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Anyone who wants maximum charging speed
What Is a USB-C to USB-A Cable?
A USB-C to USB-A cable has:
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One USB-C connector
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One traditional USB-A connector
Because USB-A ports are older and limited, this type of cable:
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Usually supports only basic charging (12W–18W)
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Does not support USB-C PD fast charging
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Is mainly for legacy devices or older chargers
Best for:
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Older USB-A wall chargers
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Car chargers with USB-A ports
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Basic phone charging
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Older laptops and accessories
USB-C to USB-C vs USB-C to USB-A: Key Differences
1. Charging Speed (USB-C Is Much Faster)
USB-C to USB-C cables support:
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✔ USB-C PD 3.0 fast charging
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✔ Quick Charge (QC)
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✔ Up to 100W (20V/5A)
USB-C to USB-A cables are limited by the USB-A port:
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✘ No PD support
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✘ Not suitable for laptop charging
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✔ Only supports standard 12W–18W charging
👉 If you need fast charging for phones, tablets, or laptops, USB-C to USB-C is the only choice.
2. Device Compatibility
USB-C to USB-C cables work with nearly all modern devices:
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MacBook Pro / Air
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iPad Pro
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Samsung Galaxy S20/S10/S9/Note
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Google Pixel
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Switch
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USB-C external SSDs & accessories
USB-C to USB-A is mostly for older:
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Power banks
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Car chargers
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USB-A wall chargers
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Older laptops
3. Data Transfer Speed
USB-C to USB-C cables (e.g., 480Mbps models):
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✔ Suitable for external SSDs, keyboards, accessories
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✘ Not all USB-C cables support video output (depends on USB version)
USB-C to USB-A cables:
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✔ Good for basic data transfer
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✘ Limited by USB-A interface speed
4. Safety and Smart Chip Support
High-power USB-C to USB-C cables often include:
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E-Marker chips (e.g., PD3.0 HUSB331A)
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Intelligent power regulation
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Stable 100W transmission
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Support for PPS fast charging
USB-C to USB-A cables:
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✘ No E-Marker
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✘ Limited voltage & current
Which One Should You Choose?
Choose USB-C to USB-C if you want:
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Maximum fast charging speed
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60W–100W laptop charging
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PD 3.0 or PPS fast charging
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Compatibility with modern USB-C devices
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A future-proof charging cable
Choose USB-C to USB-A if:
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You use old USB-A chargers
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You only need basic phone charging
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You want a low-cost option
⭐ Recommended USB-C to USB-C Cable
If you're looking for a high-quality, fast-charging, and durable cable, consider:
LENTION USB-C to USB-C Fast Charging Cable (CB-CCT)
✔ 100W (20V/5A) fast charging
✔ PD3.0 / QC / PPS supported
✔ Built-in HUSB331A E-Marker chip
✔ Nylon-braided durability + aluminum shell
✔ 10,000+ bend lifespan
✔ Compatible with MacBook, iPad Pro, Samsung, Pixel, and more
Ideal for users who want a safe, reliable, and high-speed USB-C fast charging cable for daily use.
Conclusion
USB-C to USB-C cables offer faster charging, better compatibility, and safer power management.
USB-C to USB-A cables are suitable only for basic charging or older devices.
As USB-C continues to replace older ports, investing in a 100W PD-enabled, E-Marked, durable USB-C to USB-C cable is the best way to future-proof your charging setup.
