Building a system with few questions

[Secro]

Hello, I’ve tried setting up a new system I want to buy, price ceiling would be around 1800€. PC is for gaming (occasional streaming), mainly World of warcraft but also other games. Since I know prices are different in EU countries it won’t be easy to hit that, this is what I managed to put into it and the market price is around 1835€:
CPU: AMD Ryzen 7 7800X3D
GPU: RTX 4070
Motherboard: ASUS TUF GAMING B650-PLUS WIFI
RAM: Kingston 32GB KIT DDR5 6000MHz CL36 FURY
PSU: Zalman WATTTERA ZM800-EBTII
Case: NZXT H7
CPU fan: Endorfy Fortis 5
SSD: Kingston KC3000 NVMe 1TB

The answers to my questions I feel like are different all around the internet, si I’d be glad to have it answered directly.

1. AMD/Nvidia gpus. I know for gaming AMD should be better but I’ve had 2 in the past (latest 5600XT) they both had problems with freezing/restarting system I expect it was because of drivers. So I’m kinda against AMD because of that, but still I’d like to know opinions about RTX 4070 vs RX 7900 XT?
2. DDR4 vs DDR5. I’ve read so much about problems with ddr5s so is that still the case, is the extra performance worth the potential issues?
3. Since CPU is the most important for WoW, I put Ryzen 7 7800X3D there but still don’t know if AMD Ryzen 9 5900X wouldn’t be better to fit in my price? Don’t know how is it with games and usage of cpu cores, so i’m not sure if its better to have bigger frequency or more cores.

If there is a system at my price point that would be way better than my suggested feel free to post that one, I’m not stuck on this one.

[phillpower2]

CPU: AMD Ryzen 7 7800X3D
RAM: Kingston 32GB KIT DDR5 6000MHz CL36 FURY

The RAM is no good for the CPU, AMD state here up to 5200MHz.

PSU: Zalman WATTTERA ZM800-EBTII

Don`t skimp on the PSU, you need something from the Corsair RM range, EVGA or Seasonic, minimum of a seven year warranty but preferably ten.

Have a look at builds at Logical Increments change the location to a country that is in the Euro.

[Secro]

Thanks, that website seems great, this is probably what i’d go for, but still need to know if it’s better to have AMD or nvidia gpu. Those two on the screenshot go for ± the same price, in that case I’d prefer nvidia but i don’t know if there is some performance difference or anything.
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Also I’d go for i7 13700k since it’s in a sale and costs only 40€ more than i5. But I’ve seen that some motherboards need bios update first before running this gen processors, is this still the case? I don’t have any older intel cpu

[phillpower2]

GeForce RTX 4070 vs Radeon RX 6800 XT

We will need to have any potential MB details to be able to check compatibility but what we can tell you is to avoid KF and F versions of CPU as they do not have on die video which you need for back up and for me something real important which is to use for the initial build so that you can get Windows and the system drivers installed before you fit the GPU.

[phillpower2]

Being that the OP revisited the forum but chose not to reply this thread will be marked and closed.