Consider using the Laptop Finder feature on LapTopMag.com. After answering about a half dozen multiple choices questions, it displays a list of up to 10 laptops to consider based on the selection criteria entered while answering the questions.
The requirements of a 17" display and 4 GB of graphics memory will add a significant amount to the laptop cost and limit the selection of applicable laptops.
Based on your stated requirements and some that I inferred ($1K or less target budget and average battery duration), these are the top 5 suggestions generated by the Finder.
- Lenovo ThinkPad P71 - $1259
- PowerSpec 1710 - $1400
- Dell Inspirion 17 7000 2-in-1 (7th Gen Core) - $900
- Acer Predator Helios 300 (17 inch) - $1357
- OriginPC Eon 17-X (2018) - $3712
Full disclosure: this website does contain header and right vertical banner advertisements. (I've seen some for Dell & Acer.) That could influence the results generated by the Laptop Finder.
Regarding the processor selection, version 8 is significantly faster and more power efficient than version 7 for the i5 and i7 Intel processors. For many performance tests, an i5 version 8 processor will outperform an i7 version 7 processor. The Intel 8th Gen vs 7th Gen page on LapTopMag.com covers this.
Retailers are just beginning to switch from version 7 to 8. A recent Best Buy website search had about a 2 to 1 ratio of v7 to v8 laptops. So be aware of this difference.
From laptopmag.com on 4/6/2018: Which Laptop CPU is Right for You?