Is AMD Radeon RX 6900 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 6900 XT and Intel Core i5-8400?

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

DESKTOP

AMD Radeon RX 6900 XT + Intel Core i5-8400

Q: Does the Intel Core i5-8400 bottleneck the AMD Radeon RX 6900 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 6900 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)	94	65	46	Open World
Cyberpunk 2077	136	94	66	Action Rpg
Counter-Strike 2 (CS2)	372	256	184	Fps Shooter
Valorant	491	338	243	Fps Shooter
Grand Theft Auto V (GTA 5)	246	170	122	Open World
Red Dead Redemption 2	171	119	85	Open World
Fortnite	286	197	141	Battle Royale
Call of Duty: Warzone	199	137	98	Battle Royale
Call of Duty: Black Ops 6	197	136	97	Fps Shooter
Apex Legends	336	232	167	Battle Royale
Minecraft (with Shaders)	180	124	89	Sandbox
League of Legends (LoL)	531	367	263	Moba
Dota 2	325	224	161	Moba
PUBG: Battlegrounds	251	173	124	Battle Royale
Overwatch 2	403	278	199	Fps Shooter
Rainbow Six Siege	452	311	224	Fps Shooter
Rust	146	101	72	Survival
Escape from Tarkov	123	85	61	Survival Fps
Hogwarts Legacy	149	103	73	Action Rpg
Elden Ring	182	126	90	Action Rpg
Baldur's Gate 3	159	110	79	Rpg
Starfield	112	78	55	Action Rpg
Helldivers 2	160	111	79	Co Op Shooter
Black Myth: Wukong	134	93	67	Action Rpg
Alan Wake 2	120	83	59	Survival Horror
Palworld	172	119	85	Survival
EA Sports FC 25	288	199	143	Sports
Forza Horizon 5	221	153	109	Racing
The Witcher 3 (Next-Gen)	171	118	84	Action Rpg
Marvel's Spider-Man 2	150	103	74	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 6900 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 6900 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.