Core i9-14900K with RTX 5090: Bottleneck & FPS

The Core i9-14900K and RTX 5090 pair well, with the graphics card setting the pace at 4K: about 119 FPS on average in AAA games at High settings, with 1% lows around 93 FPS. At 1080p and 1440p the Core i9-14900K becomes the limit (44% CPU bottleneck at 1080p); from UW 1440p upward the RTX 5090 takes over and the CPU has capacity to spare. In esports titles such as CS2 or Valorant expect around 365 FPS, enough for a 240 Hz monitor, while CPU-heavy games like Microsoft Flight Simulator drop to about 88 FPS with a 42% CPU bottleneck. With ray tracing enabled, expect about 70 FPS at 4K.

Processor

Intel Core i9-14900K

24 cores / 32 threads · LGA1700 · 2023

Graphics card

NVIDIA GeForce RTX 5090

32 GB VRAM · Ray tracing ✓ · 2025

4K (3840×2160) · High · AAA games · Native · 32 GB · 165 Hz

Change settings

GPU-limited

GPU-limited, CPU has headroom at 4K

The RTX 5090 is the limiting part at 4K, which is the normal and preferred situation for gaming. The Core i9-14900K has headroom for about 160 FPS, so it can handle a faster GPU later.

CPU160 FPSBottleneck

GPU121 FPSBottleneck

Display165 Hz

Max frames each part can deliver. Frames pile up in front of the slower one.

Avg FPS119

1% low93

CPU load74%

GPU load99%

Bottleneck by resolution

Core i9-14900K + RTX 5090 at High settings in AAA games.

Resolution	Avg FPS	1% low	Bottleneck
1080p (1920×1080)	160	112	CPU 44%
1440p (2560×1440)	157	110	CPU 20%
UW 1440p (3440×1440)	149	109	Balanced
4K (3840×2160)	119	93	GPU 25%

FPS by game type

At 4K, High settings.

Game type	Avg FPS	Limited by
AAA / mixed games Cyberpunk 2077, Black Myth: Wukong, Elden Ring	119	GPU 25%
Competitive esports CS2, Valorant, Fortnite (Performance), League of Legends	365	Balanced
CPU-heavy (strategy, sims, MMO) MS Flight Simulator, Cities: Skylines II, WoW, Baldur's Gate 3 Act 3	88	CPU 42%
Ray tracing / path tracing Cyberpunk RT Overdrive, Alan Wake 2, Indiana Jones	70	GPU 49%

Recommendations

Specific to these parts at 4K.

This build is well matched at these settings. No changes needed.

Upgrade suggestions

The smallest upgrades that balance this build.

No faster graphics card than the RTX 5090 is available, so this is as fast as this build gets at 4K. Use DLSS or FSR for more FPS.

Browse all 577 popular builds or open this build in the bottleneck calculator to try other settings.

Core i9-14900K + RTX 5090: quick answers

Does the Core i9-14900K bottleneck the RTX 5090?

1080p: 44% CPU-limited. 1440p: 20% CPU-limited. UW 1440p: balanced. 4K: 25% GPU-limited. At 4K the CPU keeps up, so this is a sensible pairing. A GPU-limited result is the normal, healthy state for gaming.

How many FPS does the Core i9-14900K with RTX 5090 get?

About 160 FPS at 1080p, 157 FPS at 1440p, 149 FPS at UW 1440p, 119 FPS at 4K in AAA games at High settings without upscaling. In esports games like CS2 and Valorant it reaches roughly 365 FPS at 4K.

What is the best upgrade for a Core i9-14900K + RTX 5090 build?

There is no faster graphics card to move to, and the Core i9-14900K already keeps the RTX 5090 fed at 4K. Use DLSS or FSR upscaling for more FPS.