

265K vs 9950X3D with RTX 5090 — Worth the Price Difference?
I'm looking at buying an Alienware Area-51 with an RTX 5090 and I'm currently deciding between these two configurations. These are the prices I can get right now, including Dell's current promotions plus a guaranteed 10% member/student discount through my wife.
The Intel configuration has a Core Ultra 7 265K, RTX 5090 32GB, 32GB DDR5-7200, 1TB Gen5 NVMe SSD, 1500W Platinum PSU, and 360mm liquid cooling for $4,346.99 before tax / $4,705.65 out the door.
The AMD configuration has a Ryzen 9 9950X3D, RTX 5090 32GB, 32GB DDR5-6400, 2TB Gen5 NVMe SSD, 1500W Platinum PSU, and 360mm liquid cooling for $5,624.99 before tax / $6,089.07 out the door. So the AMD system is about $1,383 more after tax.
This would pretty much be strictly a gaming PC. I don't do AI work, rendering, Blender, video editing, etc. I mainly play Marvel Rivals, Gears, Battlefield 6, and occasionally COD, and I'm planning on playing at 4K. I know the 9950X3D is the significantly better gaming CPU, but I'm wondering how much that would realistically matter at 4K when both systems have the same RTX 5090, and whether it's actually worth another ~$1,400 for my use.
My other concern is timing. With the recent price increases/spikes on high-end PCs and components, I'm hesitant about whether I should buy now or wait for Labor Day, Black Friday, or other holiday sales. The prices below are what I know I can get if I buy right now, including the guaranteed 10% discount. Obviously nobody knows exactly what Dell will do with future pricing, but would you lock in the 265K/5090 for $4,706 OTD now, spend the extra for the 9950X3D, or wait and see what happens during the holiday sales? I'm planning on keeping the PC for several years, so longevity/future-proofing is also something I'm considering.