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GIGABYTE RX 580 Gaming Box vs Sonnet eGFX Breakaway Box 850 T5: Comparison
GIGABYTE RX 580 Gaming Box and Sonnet eGFX Breakaway Box 850 T5 differ on connection standard: GIGABYTE RX 580 Gaming Box at Thunderbolt 3, Sonnet eGFX Breakaway Box 850 T5 at Thunderbolt 5.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Thunderbolt 3 | Thunderbolt 5 |
| Brand | GIGABYTE | Sonnet |
| Host Power Delivery | 100 | 100 |
| Model | RX 580 Gaming Box | eGFX Breakaway Box 850 T5 |
| GPU Compatibility | Fixed: pre-installed Radeon RX 580 8GB GDDR5 (not swappable) | NVIDIA RTX 50/40/30-series, AMD RX 9000/7000/6000-series |
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 850 T5
9 / 10 Expert Rating
The Thunderbolt 5 performance leader — 92% of desktop GPU performance, triple-wide support up to 345mm, and single-cable 100W charging.
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