Is NVIDIA GeForce RTX 4090 compatible with Intel Core Ultra 5 245K?

Yes, if your motherboard supports the LGA1851 socket. Recommended PSU: 750W.

What FPS can I get with NVIDIA GeForce RTX 4090 and Intel Core Ultra 5 245K?

FPS varies by game and preset. See the detailed per-game table above.

DESKTOP

NVIDIA GeForce RTX 4090 + Intel Core Ultra 5 245K

Q: Does the Intel Core Ultra 5 245K bottleneck the NVIDIA GeForce RTX 4090?

At 1080p, the estimated bottleneck is 45.5%.

Bottleneck Analysis & Gaming FPS Estimates

Severe CPU Bottleneck

Significant bottleneck (~45.5%). Upgrading the CPU is strongly recommended.

Bottleneck at a Glance

45.5%

1080p Bottleneck

CPU

39.4%

1440p Bottleneck

CPU

31.8%

4K Bottleneck

CPU

Component Specs

24GB

GPU VRAM

450W

GPU TDP

14C/14T

CPU Cores

LGA1851

Socket

🛒 Check NVIDIA GeForce RTX 4090 Price 🛒 Check Intel Core Ultra 5 245K Price

Estimated FPS in Popular Games (1080p)

Game	Low	High	Ultra	Genre
Grand Theft Auto VI (GTA 6)	202	140	99	Open World
Cyberpunk 2077	279	193	136	Action Rpg
Counter-Strike 2 (CS2)	861	594	425	Fps Shooter
Valorant	1213	837	602	Fps Shooter
Grand Theft Auto V (GTA 5)	526	364	261	Open World
Red Dead Redemption 2	345	239	172	Open World
Fortnite	627	433	309	Battle Royale
Call of Duty: Warzone	435	301	215	Battle Royale
Call of Duty: Black Ops 6	421	291	207	Fps Shooter
Apex Legends	702	485	349	Battle Royale
Minecraft (with Shaders)	405	280	201	Sandbox
League of Legends (LoL)	1313	906	651	Moba
Dota 2	752	519	373	Moba
PUBG: Battlegrounds	551	380	273	Battle Royale
Overwatch 2	861	594	426	Fps Shooter
Rainbow Six Siege	989	682	490	Fps Shooter
Rust	339	235	168	Survival
Escape from Tarkov	295	204	146	Survival Fps
Hogwarts Legacy	304	210	151	Action Rpg
Elden Ring	380	263	188	Action Rpg
Baldur's Gate 3	349	241	173	Rpg
Starfield	240	167	118	Action Rpg
Helldivers 2	342	237	170	Co Op Shooter
Black Myth: Wukong	269	187	134	Action Rpg
Alan Wake 2	237	165	117	Survival Horror
Palworld	360	249	177	Survival
EA Sports FC 25	602	416	299	Sports
Forza Horizon 5	444	307	219	Racing
The Witcher 3 (Next-Gen)	350	242	173	Action Rpg
Marvel's Spider-Man 2	313	216	155	Action Adventure

Upgrade Recommendations

Current: Intel Core Ultra 5 245K

⬆ Intel Core Ultra 7 265K

+19.4% performance gain

Your Intel Core Ultra 5 245K limits the NVIDIA GeForce RTX 4090 by ~45.5%. Upgrading to Intel Core Ultra 7 265K unlocks ~19.4% more CPU performance on the same socket.

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Compatibility & Power

⚡Recommended PSU: 750W (80+ Bronze or better)

🔌CPU Socket: LGA1851 — verify your motherboard compatibility.

⚠️Requires LGA1851 socket motherboard and DDR5 memory.

🎮VRAM: 24GB GDDR — check per-game requirements in the FPS table.

🔋GPU Power Draw: 450W — CPU: 125W

FAQ

Does the Intel Core Ultra 5 245K bottleneck the NVIDIA GeForce RTX 4090?

At 1080p, the estimated bottleneck is 45.5% (CPU).

What PSU do I need?

A quality 750W 80+ Bronze PSU is recommended.

Can I upgrade the CPU without changing my motherboard?

Yes — as long as you stay on the LGA1851 socket.