RX 6900 XT GPU versus other GPUs connected to the iMac Pro
June 4th, 2021 by rob-ART morgan, mad scientist
How fast does the AMD Radeon RX 6900 XT run versus other GPUs connected to or installed inside the iMac Pro?
GRAPH LEGEND
RX 6900 XT = AMD Radeon RX 6900 XT connected to the iMac Pro using the OWC Node Titan eGPU and the Dell UP2715K display
VII = AMD Radeon VII connected to the iMac Pro using the OWC Node Titan eGPU and the Dell UP2715K display
RX 5700 XT = AMD Radeon RX 5700 XT connected to the iMac Pro using the OWC Node Titan eGPU and the Dell UP2715K display
Pro Vega 64 = AMD Pro Vega 64 inside the iMac Pro
Testing Note: macOS Big Sur 11.5 Beta
BasemarkGPU - Metal
Official Test at 4K resolution and HIGH Content Quality. (HIGHER Frames per Second = FASTER)
Geekbench 5 - Metal
Metal GPU test. (HIGHER Frames per Second = FASTER)
GFXBench - Metal
Aztec High Tier OFFscreen. (HIGHER Frames per Second = FASTER)
Octane X - Metal
Using 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)
Shadow of Tomb Raider - Metal
Ran built-in benchmark at 3840x2160 High. (HIGHER Frames per Second = FASTER)
WHAT DID WE LEARN?
Even when installed in an eGPU box, the AMD RX 6900 XT renders much faster than other iMac Pro GPUs.
NOTE: the AMD Radeon RX 6000 Series requires Big Sur 11.4 or later when running on a Mac.
We chose the Sapphire Nitro+ Radeon RX 6900 XT because it was 12.2 inches long. Versions longer than that will not fit in the 2019 Mac Pro.
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copyright 2021 Rob Art Morgan
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