I'm sure I've heard people with the lower-tier model complaining of similar problems.Clearly mine is in a worse state than yours, my MacBook runs EXTREMELY hot with nothing running, the fans hit max rpm and stay there and the device becomes painful to touch underneath and on top.Does this only apply to the 5500M though? The ARM Mali-G72 MP18 is an integrated high-end graphics card for ARM based SoCs (mostly Android based). But not before on one with iris pro only models.It is likely that this is how they use gmux chip to switch between dGPU and iGPU (the iGPU always drives internal display while dGPU drives the external)I have a 16” with the 5500 and the Lg 5k Ultrafine. Benchmark videocards performance analysis: Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D Mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), 3DMark Fire Strike - Graphics Score. AMD Radeon Settings; 19.30: 515 MB: 3/23/2020: Download* MacBook Pro (Retina, 16-inch, 2019) with Radeon Pro 5300M and 5500M; Boot Camp Driver for Windows 10: Display Driver; AMD Radeon Settings; 19.30: 520 MB: 11/20/2019: Download* This SKU also features a narrower bus of 96-bit and 3GB GDDR6 memory in contrast to 4GB on RX 5500M. I haven’t noticed any problems like you’re describing. Radeon Pro 5300M and Radeon Pro 5500M GPUs use GDDR6 memory with 128b memory bus width at up to 12Gbps speed for peak bandwidth of up to 192GB/s, compared to Radeon Pro 555X and Radeon Pro 560X GPUs use GDDR5 memory with 128b memory bus width at up to 6Gbps speed for peak bandwidth of up to 81GB/s. AMD Radeon Pro 5500M vs NVIDIA GeForce GTX 1080 (Laptop) Comparative analysis of AMD Radeon Pro 5500M and NVIDIA GeForce GTX 1080 (Laptop) videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Almost silent when growing / doing light coding in PyCharm. Here are my experiences: I have two USB-C Monitors, one at home and one at work. Thread starter Surfer13134; Start date Nov 21, 2019; Sort (Likes) Forums. The gpu, which does eat quite a bit of power and the thunderbolt chip which also eats up a lot of power.In addition, if you are using an external 4k monitor in scaled resolutions, then that would tax the gpu even more.I have a 13" 2017 Retina touch-bar MBP and run two external monitors on it over TB3 and don't have any fan noise unless I'm doing something on the CPUs to deserve it.