Pro W6800 versus RX 6000 series GPUs in the 2019 Mac Pro
July 27th, 2021 by rob-ART morgan, mad scientist
We tested the Pro W6800 to see how it compared to the RX 6800 XT and RX 6900 XT GPUs.
RX 6900 XT = AMD Radeon RX 6900 XT
RX 6800 XT = AMD Radeon RX 6800 XT
Pro W6800 = AMD Radeon Pro W6800
Testing Platform: 2019 Mac Pro, 3.3GHz 12-Core Xeon W CPU, 96GB RAM, macOS Big Sur 11.5.
BasemarkGPU - Metal
Official Test at 4K resolution and HIGH Content Quality. (HIGHER Frames per Second = FASTER)
Geekbench 5 - Metal
Metal GPU test. (HIGHER Rating = FASTER)
Using AMD's ProRender with BMW sample image. (LOWER time in Seconds = FASTER)
Octane X - Metal
Render Benchmark Trench. (LOWER time in Seconds = FASTER)
DaVinci Resolve 17 - Metal
Playback the Candle 1080p project using triple noise reduction. (HIGHER Frames per Second = FASTER)
TW: Warhammer II - Metal
Ran Skaven built-in benchmark at 3840x2160 High. (HIGHER Frames per Second = FASTER)
WHAT DID WE LEARN?
The AMD Radeon Pro W6800 GPU can't keep up with the RX 6900 XT or RX 6800 XT -- even though it is has twice the memory (32GB vs 16GB). And it is no bargain at the current prices.
We used a mini DisplayPort to DisplayPort adapter to connect the Pro W6800 to our Dell UP2715K display. I've ordered additional mini DisplayPort dongles so that I can connect two DisplayPort cables to the Dell to get 5K.
We also ran the tests (except Warhammer) using a LG UltraFine 5K display connected to the Pro Vega II Duo. The W6800 ran at the same speeds as when it was connected to the Dell display.
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copyright 2021 Rob Art Morgan
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