Hello knowledgeable people.I have 2 half-decent computers in the office, 1 opens AutoCAD in 18s, the other in 44s.OK one was relatively new, the other had some apps installed (inc Revit), but go with me... The specs: Microsoft Surface Book 2 Dell




Processor:
Intel Core i7-8650U (8th Gen)
Intel Core i7-7700HQ (7th Gen)


Processor release date:
Q3 2017
Q1 2017


Cores:
4
4


Processor max clock speed:
4.2GHz
3.80 GHz


Processor cache:
8MB
6MB


RAM release date:
2013
2014


RAM qty:
16GB LP DDR3
16GB DDR4-2400


RAM speed:
12.8GB/s
19.2GB/s


Graphics Card:
GeForce GTX 1060
nVidia Quadro M1200


Graphics card release date:
Jul-16
Jan-17


Graphics card memory:
6GB GDDR5
4GB GDDR5


Hard drive:
SSD
SSD
The performance on various tasks (note CAD open time difference):




Criterion:
Performance
Performance


Offline navigation
instant
instant


Online navigation
instant 
instant


Hi-Res photos on cloud:
1 large icon every 3s
1 large icon every 3s


Hi-Res photos local: 
5 large icons every 1s
13 large icons every 1s


10MB Excel file cloud: 
26s
21s


10MB Excel file local: 
14s
13s


Opening CAD:
18s
44s


Opening CAD file:
5s
7s
These are not perfectly accurate timings, but as a basic indicator of performance actually _doing_ what we do all day, it threw up a surprise (to me) in how slow one was opening AutoCAD compared to the other.Note: we have another laptop to throw into the mix, which is older and much less spec'd, which performs similarly to PC2 above when opening AutoCAD:Lenovo:





Processor:
Intel Core i5-7200U
Criterion:
Performance


Processor release date:
Q3 2016
Offline navigation
instant


Cores:
2
Online navigation
2s


Processor max clock speed:
3.10 GHz
Hi-Res photos in Challenger online:
1 large icon every 7s


Processor cache:
3MB
Hi-Res photos in Challenger offline: 
15 large icons every 1s


RAM release date:
2014
10MB Excel file cloud: 
41s


RAM qty:
8GB DDR4-2133
10MB Excel file local: 
11s


RAM speed:
17GB/s
Opening CAD+T
46s


Graphics Card:
Intel HD620
Opening CAD file SGL Duct+
9s


Graphics card release date:
Aug-16




Graphics card memory:
0 (uses 1 stick of system ram)




Hard drive:
SSD


I have no idea how this will look in a forum post, I hope you will be able to see something I can't see - I'm scratching my head!