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Mac mini 2018 + Sonnet 550w + AMD Radeon VII ?  

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Quentin92
(@quentin92)
New Member
Joined: 3 months ago
Posts: 2
January 12, 2019 11:52 am  

Hi everyone,

I'm a motion designer using mostly After Effects, Premiere, and Maya. I bought about a month ago a sonnet 550w with an RX 580 8GB in it. I'd like to improve the render time of my set-up. My plan is to buy/wait for the Radeon VII which will be released early FEB if I'm not mistaken. Is it worth it? Are my Sonnet and my Mac going to be compatible with that gpu? Should I buy a Vega 64 instead?

Thanks a lot in advance for your help!!  🙂

Mac Mini 2018 + I7 + 32 Gb ram + 256gb - EGPU Sonnet 550W - Sapphire RX580 8gb


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theitsage
(@itsage)
Famed Member Admin
Joined: 2 years ago
Posts: 3680
January 12, 2019 8:04 pm  

The Radeon VII will have similar power demands as the RX Vega 64. Therefore you'd need a 650W+ power supply. In my opinion, getting an RX Vega 56 will be the best choice given its current price, performance in macOS, and your Breakaway 550.

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OliverB
(@oliverb)
Prominent Member
Joined: 5 months ago
Posts: 778
January 13, 2019 1:56 am  
Posted by: theitsage

The Radeon VII will have similar power demands as the RX Vega 64.

Is this a fact or an educated guess?

2018 15" MBP & 2015 13" MBP connected to RTX2080Ti GTX1080Ti GTX1080 Vega56 RX580 R9-290 GTX680


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Eightarmedpet
(@eightarmedpet)
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Quentin92
(@quentin92)
New Member
Joined: 3 months ago
Posts: 2
January 13, 2019 2:08 pm  
Posted by: theitsage

The Radeon VII will have similar power demands as the RX Vega 64. Therefore you'd need a 650W+ power supply. In my opinion, getting an RX Vega 56 will be the best choice given its current price, performance in macOS, and your Breakaway 550.

Thanks, I'll go for this option instead then! And yes apparently, the new Radeon will have similar power demands. I saw that in one of Linus Tech Vids recently.

Mac Mini 2018 + I7 + 32 Gb ram + 256gb - EGPU Sonnet 550W - Sapphire RX580 8gb


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Oscar Castillo
(@oscar-castillo)
New Member
Joined: 2 months ago
Posts: 2
February 23, 2019 8:42 am  

I have 2 Sonnet 550w with Radeon Frontiers and have no issues at all even running stress tests using a 2018 Mac Mini.
I've heard that if you are also trying to charge a laptop then the 650w is a must.

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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