13th Gen · data reviewed 2026-11-10
Core i9-13900KS is 24 cores and 32 threads on LGA 1700. Gaming plans it at 150 W (Processor Base Power). The power-limit profile uses 253 W (Maximum Turbo Power, published). With a Radeon RX 9070 XT, the gaming total is 511 W and the minimum size is 650 W.
These open a store search for that wattage class. Prices stay on the store. Disclaimer.
Each row is two memory modules, one NVMe drive, and three fans. Only the GPU changes, so the difference between rows is the card plus nothing else.
| GPU | Board power | Gaming load | Minimum | Both at the limit |
|---|---|---|---|---|
| GeForce RTX 5060 | 145 W | 352 W | 450 W | 455 W · 600 W |
| Radeon RX 9070 XT | 304 W | 511 W | 650 W | 614 W · 850 W |
| GeForce RTX 5090 | 575 W | 782 W | 1,000 W | 885 W · 1,200 W |
Maximum Turbo Power as published on the Intel ARK specification for this SKU. It is an all-core turbo limit, not a typical gaming draw.
Memory in this table is DDR5, which this CPU can also run as DDR4. Switching to DDR4 drops the per-stick allowance from 5 W to 3 W.
The GeForce RTX 5060 row is the small-card case: the CPU and the platform are a large share of the total. The GeForce RTX 5090 row is the flagship case: the graphics card dominates, and the CPU's base-versus-limit gap matters less until you render on every core.
Gaming plan for the Core i9-13900KS: 150 W at its processor base power, 304 W for the Radeon RX 9070 XT at rated board power, and 57 W of platform allowance. The total is 511 W. Minimum size 650 W. Efficiency size 1,200 W.
With a GeForce RTX 5060, the gaming total is 352 W and the minimum is 450 W. The same CPU with a GeForce RTX 5090 is 782 W, minimum 1,000 W. The CPU did not change. The graphics card did.
The power-limit profile with a Radeon RX 9070 XT is 614 W, minimum 850 W. That is both parts on their limits at once. Maximum Turbo Power 253 W is printed by the vendor. Use it for a combined render. A GPU-bound game is the lower row.