Motakuji :
I'm planning on upgrading my R9 290 reference gpu to R9 390. Haven't decided on which brand, but I'm looking for a silent card. Will R9 390 bottleneck i7 2600 3,9 ghz ?
The second gen i7 2600 is still a pretty good processor and they is no question of bottleneck when you pair it with R9 390. You're good to go.
Consider this:
PCPartPicker part list /
Price breakdown by merchant
Video Card: MSI Radeon R9 390 8GB Video Card ($316.23 @ Amazon)
Total: $316.23
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-08-03 02:02 EDT-0400
Update:
What the user "coolkid215" says is partially right, as it may not be worth the upgrade from 290 to 390 in terms of FPS gain, but that extra 4GB on R9 390 may come in handy when it comes to handling hardware intensive games like the GTA V, The Witcher 3: Wild Hunt, Far Cry 4, Assassin's Creed Unity etc, giving you better smoother gaming experience.
The MSI R9 390 comes with Twin Frozr V cooling tech, one of the best cooling solutions in the industry that offers near silent operation, performance, reliability and durability. Even the person in the video embedded below discusses about how well the cooling tech is implemented and performs in the MSI R9 390.
Watch this to understand why you should buy R9 390:
[video="https://www.youtube.com/watch?v=k9cKZiJw6Pk"][/video]
R9 390 require a quality 600-650W PSU that can deliver 30Amps or more on its +12V rail.
Why MSI Graphics Cards?
Because they make stable, durable and performance oriented products with lowest RMAs. See the images below:
What is RMA?
Return Merchandise Authorization (RMA) is a part of the process of returning a product in order to receive a refund, replacement, or repair during the product's warranty period.
Major Motherboard and Graphics Card Manufacturers RMA Ratings
Read the full article here -
Reliability report: Gigabyte top for motherboards, MSI for graphics cards
You may also consider like R9 390X or GTX 980 Ti, if your budget allows.
Cheers!