Is AMD Radeon RX 6800 XT compatible with Intel Core i5-8400?

Yes, if your motherboard supports the LGA1151 socket. Recommended PSU: 550W.

What FPS can I get with AMD Radeon RX 6800 XT and Intel Core i5-8400?

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

DESKTOP

AMD Radeon RX 6800 XT + Intel Core i5-8400

Q: Does the Intel Core i5-8400 bottleneck the AMD Radeon RX 6800 XT?

At 1080p, the estimated bottleneck is 60%.

Bottleneck Analysis & Gaming FPS Estimates

Severe CPU Bottleneck

Significant bottleneck (~60%). Upgrading the CPU is strongly recommended.

Bottleneck at a Glance

60%

1080p Bottleneck

CPU

60%

1440p Bottleneck

CPU

60%

4K Bottleneck

CPU

Component Specs

16GB

GPU VRAM

300W

GPU TDP

6C/6T

CPU Cores

LGA1151

Socket

🛒 Check AMD Radeon RX 6800 XT Price 🛒 Check Intel Core i5-8400 Price

Estimated FPS in Popular Games (1080p)

Game	Low	High	Ultra	Genre
Grand Theft Auto VI (GTA 6)	88	61	43	Open World
Cyberpunk 2077	126	88	62	Action Rpg
Counter-Strike 2 (CS2)	350	241	173	Fps Shooter
Valorant	465	321	231	Fps Shooter
Grand Theft Auto V (GTA 5)	230	159	114	Open World
Red Dead Redemption 2	159	110	79	Open World
Fortnite	268	185	132	Battle Royale
Call of Duty: Warzone	186	129	92	Battle Royale
Call of Duty: Black Ops 6	184	127	90	Fps Shooter
Apex Legends	313	216	155	Battle Royale
Minecraft (with Shaders)	169	117	84	Sandbox
League of Legends (LoL)	504	348	249	Moba
Dota 2	306	211	152	Moba
PUBG: Battlegrounds	235	162	116	Battle Royale
Overwatch 2	376	259	186	Fps Shooter
Rainbow Six Siege	423	291	209	Fps Shooter
Rust	138	95	68	Survival
Escape from Tarkov	116	80	57	Survival Fps
Hogwarts Legacy	138	95	68	Action Rpg
Elden Ring	169	117	84	Action Rpg
Baldur's Gate 3	149	103	74	Rpg
Starfield	105	73	51	Action Rpg
Helldivers 2	149	103	74	Co Op Shooter
Black Myth: Wukong	124	86	62	Action Rpg
Alan Wake 2	111	77	54	Survival Horror
Palworld	160	111	79	Survival
EA Sports FC 25	268	185	133	Sports
Forza Horizon 5	205	142	101	Racing
The Witcher 3 (Next-Gen)	159	110	78	Action Rpg
Marvel's Spider-Man 2	139	96	69	Action Adventure

Upgrade Recommendations

Current: Intel Core i5-8400

⬆ Intel Core i7-9700K

+49.0% performance gain

Your Intel Core i5-8400 limits the AMD Radeon RX 6800 XT by ~60%. 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: 550W (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: 16GB GDDR — check per-game requirements in the FPS table.

🔋GPU Power Draw: 300W — CPU: 65W

FAQ

Does the Intel Core i5-8400 bottleneck the AMD Radeon RX 6800 XT?

At 1080p, the estimated bottleneck is 60% (CPU).

What PSU do I need?

A quality 550W 80+ Bronze PSU is recommended.

Can I upgrade the CPU without changing my motherboard?

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