Core i5-13600K with RTX 3080: Bottleneck & FPS

At 1440p, a Core i5-13600K + RTX 3080 build averages about 88 FPS in AAA games at High settings, with 1% lows near 69 FPS: heavily GPU-limited. The RTX 3080 is the limiting part at every resolution, so the 14-core Core i5-13600K (LGA1700) still has headroom for about 146 FPS and room for a faster card later. In esports titles such as CS2 or Valorant expect around 280 FPS, enough for a 240 Hz monitor, while CPU-heavy games like Microsoft Flight Simulator drop to about 80 FPS with a 27% CPU bottleneck. Its 10 GB of VRAM is fine at 1440p but gets tight at 4K High. With ray tracing on, expect about 46 FPS at 1440p.

Processor

Intel Core i5-13600K

14 cores / 20 threads · LGA1700 · 2022

Graphics card

NVIDIA GeForce RTX 3080

10 GB VRAM · Ray tracing ✓ · 2020

1440p (2560×1440) · High · AAA games · Native · 32 GB · 165 Hz

Change settings

GPU-limited

Heavily GPU-limited at 1440p

The RTX 3080 is the limiting part at 1440p, which is the normal and preferred situation for gaming. The Core i5-13600K has headroom for about 146 FPS, so it can handle a faster GPU later.

CPU146 FPSBottleneck

GPU88 FPSBottleneck

Display165 Hz

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

Avg FPS88

1% low69

CPU load60%

GPU load99%

Bottleneck by resolution

Core i5-13600K + RTX 3080 at High settings in AAA games.

Resolution	Avg FPS	1% low	Bottleneck
1080p (1920×1080)	122	94	GPU 13%
1440p (2560×1440)	88	69	GPU 39%
UW 1440p (3440×1440)	74	57	GPU 50%
4K (3840×2160)	51	40	GPU 65%

FPS by game type

At 1440p, High settings.

Game type	Avg FPS	Limited by
AAA / mixed games Cyberpunk 2077, Black Myth: Wukong, Elden Ring	88	GPU 39%
Competitive esports CS2, Valorant, Fortnite (Performance), League of Legends	280	GPU 25%
CPU-heavy (strategy, sims, MMO) MS Flight Simulator, Cities: Skylines II, WoW, Baldur's Gate 3 Act 3	80	CPU 27%
Ray tracing / path tracing Cyberpunk RT Overdrive, Alan Wake 2, Indiana Jones	46	GPU 63%

Recommendations

Specific to these parts at 1440p.

Your 165 Hz monitor can show more frames than this build delivers. Variable refresh (G-Sync/FreeSync) will keep motion smooth.

GPU upgrades for this CPU

The Core i5-13600K can drive a faster card at 1440p.

Step upRTX 4080 Super≈124 FPS (+40%) · GPU 12%Best match for your CPURX 9070 XT≈119 FPS (+35%) · GPU 16%

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

Core i5-13600K + RTX 3080: quick answers

Does the Core i5-13600K bottleneck the RTX 3080?

1080p: 13% GPU-limited. 1440p: 39% GPU-limited. UW 1440p: 50% GPU-limited. 4K: 65% GPU-limited. At 1440p 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 i5-13600K with RTX 3080 get?

About 122 FPS at 1080p, 88 FPS at 1440p, 74 FPS at UW 1440p, 51 FPS at 4K in AAA games at High settings without upscaling. In esports games like CS2 and Valorant it reaches roughly 280 FPS at 1440p.

What is the best upgrade for a Core i5-13600K + RTX 3080 build?

At 1440p, the most effective upgrade is the RTX 4080 Super or RX 9070 XT. Use the calculator to check other resolutions and settings.