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Lightroom very slow / lagging with Eizo 319X 32" 4k display on MacBook Pro

New Here ,
Oct 11, 2022 Oct 11, 2022

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I have upgraded my display to an EIZO Eizo 319X 4k  32" display on MacBook Pro. 
Lightroom is incredibly slow / lagging for even simple operations. 
a) Is it a lightroom problem or does it depends on the hardware. Here the spec of the Macbook pro 2018  i am working with. 
b) I have read elsewhere that Lightroom may not geared up to work on 4k displays 32" in size. Shall i return the screen and get a 27"? When Lightroom will be able to support smmothly a 4k environment?
I need to work on large files to prepare large prints up to 1.8m wide (file size up to 18,000 pixels), currently struggling eve n with 12,000 pixels wide files. Any insightt would be so much appreciated 
license: Creative Cloud
Language setting: en
Operating system: Windows 10 - Home Premium Edition
Version: 10.0.19044
Application architecture: x64
System architecture: x64
Logical processor count: 12
Processor speed: 2.9GHz
SqLite Version: 3.36.0
Built-in memory: 16278.1 MB
Real memory available to Lightroom: 16278.1 MB
Real memory used by Lightroom: 5317.8 MB (32.6%)
Virtual memory used by Lightroom: 17482.7 MB
GDI objects count: 1074
USER objects count: 3400
Process handles count: 4025
Memory cache size: 134.6MB
Internal Camera Raw version: 14.5 [ 1177 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 1511MB / 8139MB (18%)
Camera Raw real memory: 850MB / 16278MB (5%)
System DPI setting: 96 DPI
Desktop composition enabled: Yes
Displays: 1) 4096x2160 EIZO
Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No
Graphics Processor Info:
DirectX: 2.2 Ghz Radeon Pro 555X (27.20.14540.15002) @4GB DDR5







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