Vega 46 vs Radeon 580

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Vega 46 vs Radeon 580

Postby fatihayoglu » Mon Aug 05, 2019 11:55 am

Hi guys,
Does anybody have a direct comparison of these 2 cards for iMac? There is £400 price difference and I wonder if it worth the extra,
Late 2015 iMac 5K, 4Ghz, 40GB RAM, 512GB SSD, 4GB GPU
Nikon D750, 20 f/1.8G, 35 f/2D, 50 f/1.8D, 85 f/1.8D, 24-70 f/2.8E, 70-200 f/2.8G
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Re: Vega 46 vs Radeon 580

Postby David S. » Wed Aug 14, 2019 11:16 am

I’d love to know the answer to this myself - I was planning to update to a new 15” MacBook Pro in the next month or so, but part of me is thinking that for the same price, I can update my 2014 27” iMac

I was also wondering about the benefits of adding the extra £400 for the Radeon Vega 48 upgrade if I went down that route. Would be great to know the difference from a C1 perspective.
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Re: Vega 46 vs Radeon 580

Postby Brian Jones » Wed Aug 14, 2019 9:21 pm

Can't speak for those cards specifically, but I wish I would have sprung for the D700 in my mac pro back in 2013. $700 at the time. There is not easy way to upgrade. Especially with C1, the GPU will give your system very long legs. It's money well spent, but won't seem like it today.

My 2013 6-core D500 Mac Pro is 30% faster than my 2018 6-core I9 MacBook pro with a Radeon 580 eGPU attached. when processing files. 6 years is mighty long legs for a computer to still be relevant.
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Re: Vega 46 vs Radeon 580

Postby Wesley » Fri Aug 16, 2019 4:38 am

If you're working on a high pixel density display than the answer is always yes, get the better GPU.

iMac always had under speced GPU for its 5K display.
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