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GIGABYTE RX 580 Gaming Box vs Sonnet eGFX Breakaway Box 650: Comparison
GIGABYTE RX 580 Gaming Box and Sonnet eGFX Breakaway Box 650 separate most on host power delivery: GIGABYTE RX 580 Gaming Box at 100, Sonnet eGFX Breakaway Box 650 at 87, 13% in favour of GIGABYTE RX 580 Gaming Box.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Thunderbolt 3 | Thunderbolt 3 |
| Brand | GIGABYTE | Sonnet |
| Extra Ports | 2x USB 3.0 Type-A, HDMI + 3x DisplayPort on the card | None onboard beyond the GPU's own outputs |
| Host Power Delivery | 100 | 87-13% |
| Cooling Type | Active, dual-fan blower | Active Fan |
| Model | RX 580 Gaming Box | eGFX Breakaway Box 650 |
| GPU Compatibility | Fixed: pre-installed Radeon RX 580 8GB GDDR5 (not swappable) | GTX 10-series through RTX 30-series and equivalent AMD cards, double-wide |
| Price | Launched around $399-449 (2018) | Launched around $449 (2018) |
Price comparison
| Retailer | GIGABYTE RX 580 Gaming Box | Sonnet eGFX Breakaway Box 650 |
|---|---|---|
| Amazon | 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
GIGABYTE RX 580 Gaming Box
6 / 10 Expert Rating
A dated but genuinely plug-and-play option for 1080p eGPU gaming, now most sensible as a budget used-market pickup rather than a current recommendation.
Sonnet eGFX Breakaway Box 650
7 / 10 Expert Rating
The right-sized Sonnet box for mid-range Thunderbolt 3 cards, officially Mac-certified.
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