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Switchresx 4 Serial Number카테고리 없음 2020. 3. 2. 01:46
Hey all,I've got a 13' 2019 base and an LG Ultrafine 5K display (the original one, not the recent refresh). The Macbook is really struggling to power the 5K display, and gets insanely hot after 3-4 minutes of just being connected to it. I understand the Ultrafine 5K requires a Thunderbolt-3 connection in order to push all of its 14 million pixels, and I know the Blackmagic eGPUs have this. However, they're also disgustingly overpriced for the components ($700 for a Radeon 580 in 2019?).
All of the threads I've been able to find on the subject are from 2018. Have there been any cards/enclosures released in 2019 that also have TB3 output? If not, would a do the trick in driving the display and sparing the laptop from this heat? I'm unsure if Mac OS itself pulls from an eGPU, or if it's an application-to-application basis. No other solutions yet.
If you don't have a then you need a Thunderbolt 3 add-in card.The Blackmagic might help with the heat. I don't know for sure. In the 2019, Both the internal display and any display connected to a Thunderbolt port of the are powered by the iGPU. Connecting an LG 5K display tripples the number of displays (from one to three). I don't know how much that increases heat.
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There's also the heat of the Thunderbolt controller converting DisplayPort signals to Thunderbolt signals. The should reduce the heat from both of those sources but I don't know by how much. I think you're looking at the EDID of the display.
Can you post it here? I would like to see if there's any other useful info in there. 522.61 MHz matches CVT-RB v2 timing for 4K.To see the timing info for the current resolution, double-click the current resolution in the Current Resolutions tab in SwitchResX.I wonder if you can create a 5K resolution with lower refresh rate such as 30 Hz?
SwitchResX lets you create custom timings and scales. Use CVT-RB or CVT-RB v2 timing to create a 5120x2880 30Hz resolution. Hey wanted to provide an update, I bit the bullet and picked up a Black Magic eGPU and plugged it into the the Ultrafine.
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The heat from my laptop is night and day! It seems that my laptop's internal iris GPU still handles tasks on the laptop screen, but all tasks on the external Ultrafine display are handled by the eGPU (including web browsing and os-level rendering of menu screens, etc). This would actually give me the confidence to use my laptop in clamshell mode, surprisingly. For anyone that really doesn't want to go without the Ultrafine's insane resolution, this is a pretty decent setup. I tested this monitor with a bunch of GPUs, as well as the Moshi 5K cable (since it's one of the only bidirectional cables you can buy). At no point was I ever able to get 5K @ 60hz over pure DisplayPort with this monitor. The monitor DOES work with the cable (without Thunderbolt), but I was only ever able to get a maximum of either 4K60 or 5K30 (after hacking EDID data in).
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This is definitely an improvement over the previous version (which ONLY supports Thunderbolt), in the sense that you can now drive it with random GPUs if you just need a lower resolution picture, but you will still never get 5K60 on devices that do not natively output Thunderbolt 3.I also confirmed, for anyone else wondering, that HDMI over USB-C is NOT supported. It must be a DisplayPort signal, so devices like a Nintendo Switch / Galaxy Note (DeX) will not work.