Is NVIDIA GeForce GTX 1070 Ti compatible with Intel Core i5-8400?

Yes, if your motherboard supports the LGA1151 socket. Recommended PSU: 400W.

What FPS can I get with NVIDIA GeForce GTX 1070 Ti and Intel Core i5-8400?

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

DESKTOP

NVIDIA GeForce GTX 1070 Ti + Intel Core i5-8400

Q: Does the Intel Core i5-8400 bottleneck the NVIDIA GeForce GTX 1070 Ti?

At 1080p, the estimated bottleneck is 31.9%.

Bottleneck Analysis & Gaming FPS Estimates

Severe CPU Bottleneck

Significant bottleneck (~31.9%). Upgrading the CPU is strongly recommended.

Bottleneck at a Glance

31.9%

1080p Bottleneck

CPU

24.4%

1440p Bottleneck

CPU

14.9%

4K Bottleneck

CPU

Component Specs

8GB

GPU VRAM

180W

GPU TDP

6C/6T

CPU Cores

LGA1151

Socket

🛒 Check NVIDIA GeForce GTX 1070 Ti Price 🛒 Check Intel Core i5-8400 Price

Estimated FPS in Popular Games (1080p)

Game	Low	High	Ultra	Genre
Grand Theft Auto VI (GTA 6)	47	32	10	Open World
Cyberpunk 2077	63	44	14	Action Rpg
Counter-Strike 2 (CS2)	206	142	102	Fps Shooter
Valorant	297	205	147	Fps Shooter
Grand Theft Auto V (GTA 5)	122	84	60	Open World
Red Dead Redemption 2	78	54	39	Open World
Fortnite	147	101	72	Battle Royale
Call of Duty: Warzone	102	70	22	Battle Royale
Call of Duty: Black Ops 6	97	67	21	Fps Shooter
Apex Legends	161	111	80	Battle Royale
Minecraft (with Shaders)	96	66	47	Sandbox
League of Legends (LoL)	322	222	159	Moba
Dota 2	180	124	89	Moba
PUBG: Battlegrounds	129	89	64	Battle Royale
Overwatch 2	200	138	99	Fps Shooter
Rainbow Six Siege	232	160	115	Fps Shooter
Rust	81	56	18	Survival
Escape from Tarkov	71	49	15	Survival Fps
Hogwarts Legacy	69	48	15	Action Rpg
Elden Ring	87	60	43	Action Rpg
Baldur's Gate 3	81	56	18	Rpg
Starfield	55	38	12	Action Rpg
Helldivers 2	79	55	17	Co Op Shooter
Black Myth: Wukong	60	42	13	Action Rpg
Alan Wake 2	53	37	11	Survival Horror
Palworld	83	57	40	Survival
EA Sports FC 25	138	95	69	Sports
Forza Horizon 5	100	69	49	Racing
The Witcher 3 (Next-Gen)	80	55	39	Action Rpg
Marvel's Spider-Man 2	72	49	16	Action Adventure

Upgrade Recommendations

Current: Intel Core i5-8400

⬆ Intel Core i7-9700K

+49.0% performance gain

Your Intel Core i5-8400 limits the NVIDIA GeForce GTX 1070 Ti by ~31.9%. Upgrading to Intel Core i7-9700K unlocks ~49.0% more CPU performance on the same socket.

View New Combo Check Price on Amazon

Compatibility & Power

⚡Recommended PSU: 400W (80+ Bronze or better)

🔌CPU Socket: LGA1151 — verify your motherboard compatibility.

⚠️9th Gen Intel CPUs on 300-series motherboards may require a BIOS update.

🎮VRAM: 8GB GDDR — check per-game requirements in the FPS table.

🔋GPU Power Draw: 180W — CPU: 65W

FAQ

Does the Intel Core i5-8400 bottleneck the NVIDIA GeForce GTX 1070 Ti?

At 1080p, the estimated bottleneck is 31.9% (CPU).

What PSU do I need?

A quality 400W 80+ Bronze PSU is recommended.

Can I upgrade the CPU without changing my motherboard?

Yes — as long as you stay on the LGA1151 socket.