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ProGrade 512GB vs Sony Tough 128GB (UHS-II SD "Fight")

Started 9 months ago | Discussions thread
OP RLight Senior Member • Posts: 4,417
Re: ProGrade 512GB vs Sony Tough 128GB (UHS-II SD "Fight")

I gotta have the mod strike this down. Turns out there is some kind of buffer limit on DIGIC8 that I discovered when changing my testing regimen to include tightly constrained shooting and account for buffer cache limits. Turns out, the processor itself, not just it's RAM, has some limits. Folks have been saying 160mb/sec bus limits, but that's not true either. I got 107 CRAWs on both cards, and 67 full RAWs on both cards, exactly, each time, again and again when shooting fixed focus, with the lens cap on, and fixed exposure. With each RAW weighing 4.24MB. There's some kind of data/pixel limit, as the "weight" of those doesn't add up to being a RAM/on chip cache constraint either. We're talking 4.24x107? See what I mean, I put out more during my previous testing. I gotta redo this all from scratch and get back to you guys.

The Prograde is a second faster clearing the buffer, btw. So it is faster, but I'm not sure that totally counts here. More to come on the matter.

 RLight's gear list:RLight's gear list
Canon EOS R3 Canon EOS R50 Canon RF 28-70mm F2L USM Canon RF-S 18-45mm Canon RF-S 55-210mm F5.0-7.1 IS STM
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