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Blackmagic Design Blackmagic eGPU Pro vs Sonnet eGFX Breakaway Box 850 T5: Comparison
Blackmagic Design Blackmagic eGPU Pro and Sonnet eGFX Breakaway Box 850 T5 separate most on psu wattage: Blackmagic Design Blackmagic eGPU Pro at 56, Sonnet eGFX Breakaway Box 850 T5 at 850, 93% in favour of Sonnet eGFX Breakaway Box 850 T5. Host Power Delivery splits them by another 15%, again favouring Sonnet eGFX Breakaway Box 850 T5.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Thunderbolt 3 (dual ports for daisy-chaining) | Thunderbolt 5 |
| Brand | Blackmagic Design | Sonnet |
| PSU Wattage | 56-93% | 850 |
| Host Power Delivery | 85-15% | 100 |
| Model | Blackmagic eGPU Pro | eGFX Breakaway Box 850 T5 |
Verdict
Blackmagic Design Blackmagic eGPU Pro
7 / 10 Expert Rating
The strongest official Mac eGPU of the Intel era, let down only by its high price and total discontinuation after Apple Silicon dropped eGPU support.
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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