Am currently using 2500k at 4.4GHz with AMD RX480/small SSD, am wondering if I'll see an improvement on upgrading to AMD1700 with larger M.2 SSD?
>>346162
Userbenchmark says no, unless your loads use more than four cores: http://cpu.userbenchmark.com/Compare/Intel-Core-i5-2500K-vs-AMD-Ryzen-7-1700/619vs3917
It's the same performance per thread as a stock 2500K, so you should expect a significant drop in per-thread performance unless you overclock the 1700 just as hard as your 2500K.
That said, it reportedly can take a 33% overclock, so it might be worth a twirl.
>>346162
The SSD will make a big difference though.
Some Sandy Bridge boards can boot off NVMe, and a lot of boards you can modify your BIOS to add NVMe boot.
Make sure you're actually getting an NVMe M.2: M.2 is just the connector and board layout, and you can run a bunch of different protocols over it including USB for wifi cards and SATA for cheap SSDs.
>>346240
And thanks for the NVMe tip, had not noticed that distinction yet.