Blackmagic eGPU or Razer Core X for LG Ultrafine 4K 24 inch?
 
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Blackmagic eGPU or Razer Core X for LG Ultrafine 4K 24 inch?  

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Tim Kaufmann
(@tim_kaufmann)
New Member
Joined: 1 month ago
 

I've got a MacBook Pro 16 inch with an AMD Radeon Pro 5500. While at my desk I use the internal display and two LG Ultrafine 4K 24inch. The MacBook runs incredibly hot, fans at 100% and hands sweaty, even when CPU load is at 5%. Via the macrumors forum I learned that an eGPU could help. I rent a Blackmagic eGPU for a couple days and now I'm sure I want an eGPU. But which one? 

My work: Office and Web Development with many open apps. I don't need much GPU power, just a cool MacBook. I'm happy with the Ultrafines (didn't find any alternatives) and have a Caldigit TS3 Plus docking station. 

I know a Razer Core X/AMD Radeon 5500/5600/5700 / Wacom Link Plus based system will perform better, use less power, charge my MacBook at full speed and can be upgraded. Here's why I'm not sure:

- I read the Razer is louder than the Blackmagic. But how loud is it really, considering I normally do not need that much GPU power (see below)? Will a Noctua fan help or do I need another PSU as well? Should I go for a GPU with zero fan mode?

- I'm quite sure I will be able to control display brightness via the Wacom Link Plus. But how about USB performance, audio and TrueTone?

Thanks a lot, 

Tim

 

This topic was modified 1 month ago

MacBook Pro 16 2019 with internal display and two LG Ultrafine 4K 24 inch, Blackmagic eGPU or Razer Core X / AMD Radeon 5500/5600/5700 / Wacom Link Plus


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joevt
(@joevt)
Noble Member
Joined: 3 years ago
 

@tim_kaufmann, all USB functions of the LG UltraFine 4K will work with the Wacom Link Plus at USB 2.0 speed if it's connected correctly.

You'll need a USB port for power to the Wacom Link Plus (USB-C PD input). The Razer Core X doesn't have extra USB ports for that, so you'll want to connect it to the MacBook Pro or to a wall charger or maybe a powered USB hub or to a port of the LG UltraFine 4K.

You'll need a USB port for data to the Wacom Link Plus (Micro-B input). This one must not be from the display - use a port from the MacBook Pro or the CalDigit TS3 Plus or whatever.

 

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case


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