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Alienware Graphics Amplifier vs Sonnet eGFX Breakaway Box 650: Comparison

What is the difference between Alienware Graphics Amplifier and Sonnet eGFX Breakaway Box 650?

Start with psu wattage, because it is the widest measured gap between them: Alienware Graphics Amplifier 460 W against Sonnet eGFX Breakaway Box 650 650 W, 29% in favour of Sonnet eGFX Breakaway Box 650. They differ on gpu compatibility too, GTX 10-series through RTX 20-series and equivalent AMD cards,... on the Alienware Graphics Amplifier versus GTX 10-series through RTX 30-series and equivalent AMD cards,... on the Sonnet eGFX Breakaway Box 650.

Which should you buy, Alienware Graphics Amplifier or Sonnet eGFX Breakaway Box 650?

it is not built for anyone wanting USB-C laptop charging through the eGPU cable. It is equally the pick for owners of a compatible older Alienware or Dell G-Series laptop with the Amplifier Port. It is the wrong buy for any laptop without the specific Alienware Graphics Amplifier Port, since the connector is proprietary. The Sonnet eGFX Breakaway Box 650 is the one to take for RTX 3060/3070-class double-wide card builds on Thunderbolt 3. The same goes for Mac users wanting official Apple eGPU certification on a mid-tier budget. It is not the one for RTX 3080 Ti/3090 or RTX 40-series cards that want more PSU headroom. Our rating of the Alienware Graphics Amplifier (6/10): strong bandwidth for its era, but locked to a short list of older Alienware and Dell G-Series laptops. Our rating of the Sonnet eGFX Breakaway Box 650 (7/10): the right-sized Sonnet box for mid-range Thunderbolt 3 cards, officially Mac-certified.

Alienware Graphics Amplifier vs Sonnet eGFX Breakaway Box 650 price

At the last price check the Alienware Graphics Amplifier was $299 and the Sonnet eGFX Breakaway Box 650 $449, a 50% premium.

Frequently asked questions

Do the Alienware Graphics Amplifier and Sonnet eGFX Breakaway Box 650 differ on max gpu length?

Yes. Max GPU Length reads 290 mm on the Alienware Graphics Amplifier versus 310 mm on the Sonnet eGFX Breakaway Box 650.

Is the Cooling Type the same on the Alienware Graphics Amplifier and Sonnet eGFX Breakaway Box 650?

It is. Both are listed at Active Fan, so it is not a reason to pick one over the other.

Specs and benchmarks

  • Brand

    Alienware Graphics Amplifier
    Alienware
    Sonnet eGFX Breakaway Box 650
    Sonnet
  • Connection Standard

    Alienware Graphics Amplifier
    Proprietary
    Sonnet eGFX Breakaway Box 650
    Thunderbolt 3
  • Model Number

    Alienware Graphics Amplifier
    Graphics Amplifier
    Sonnet eGFX Breakaway Box 650
    eGFX Breakaway Box 650
  • Extra Ports

    Alienware Graphics Amplifier
    4
    Sonnet eGFX Breakaway Box 650
    None onboard beyond the GPU's own outputs
  • PSU Wattage

    Alienware Graphics Amplifier
    460 W-29%
    Sonnet eGFX Breakaway Box 650
    650 WBest
  • Max GPU Length

    Alienware Graphics Amplifier
    290 mm-6%
    Sonnet eGFX Breakaway Box 650
    310 mmBest
  • Cooling Type

    Alienware Graphics Amplifier
    Active Fan
    Sonnet eGFX Breakaway Box 650
    Active Fan
  • GPU Compatibility

    Alienware Graphics Amplifier
    GTX 10-series through RTX 20-series and equivalent AMD cards, dual-slot
    Sonnet eGFX Breakaway Box 650
    GTX 10-series through RTX 30-series and equivalent AMD cards, double-wide
  • Price

    Alienware Graphics Amplifier
    Launched around $299 (2015)
    Sonnet eGFX Breakaway Box 650
    Launched around $449 (2018)

    Which one should you pick?

    Choose Alienware Graphics Amplifier if you already have it on hand or find it at a lower price.

    Choose Sonnet eGFX Breakaway Box 650 if you want the higher PSU wattage (650 W vs 460 W) and the higher max GPU length (310 mm vs 290 mm).

    Price comparison

    RetailerAlienware Graphics AmplifierSonnet eGFX Breakaway Box 650
    Amazon

    $299.00

    View on Amazon

    $449.00

    View on Amazon

    Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

    Verdict

    Alienware Graphics Amplifier

    6 / 10 Expert Rating

    Strong bandwidth for its era, but locked to a short list of older Alienware and Dell G-Series laptops.

    Sonnet eGFX Breakaway Box 650

    7 / 10 Expert Rating

    The right-sized Sonnet box for mid-range Thunderbolt 3 cards, officially Mac-certified.

    More comparisons in External GPU Enclosures