PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 5 8400F

2024

Why buy it

✅Costs $146 less on MSRP ($303 MSRP vs $449 MSRP).
✅Delivers 31.3% more PassMark for each dollar spent, at 81.0 vs 61.7 PassMark/$ ($303 MSRP vs $449 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
❌Lower PassMark (24,554 vs 27,712).
❌Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +6.3% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 61.7 vs 81.0 PassMark/$ ($449 MSRP vs $303 MSRP).
❌61.5% higher power demand at 105W vs 65W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 8400F moves to AM5 and DDR5.

Ryzen 5 8400F

2024

Ryzen 7 5800X

2020

Why buy it

✅Costs $146 less on MSRP ($303 MSRP vs $449 MSRP).
✅Delivers 31.3% more PassMark for each dollar spent, at 81.0 vs 61.7 PassMark/$ ($303 MSRP vs $449 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.

Why buy it

✅Better for gaming: +6.3% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
❌Lower PassMark (24,554 vs 27,712).
❌Smaller total L3 cache (16 MB vs 32 MB).

Trade-offs

❌Lower PassMark per dollar, at 61.7 vs 81.0 PassMark/$ ($449 MSRP vs $303 MSRP).
❌61.5% higher power demand at 105W vs 65W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 8400F moves to AM5 and DDR5.

Quick Answers

So, is Ryzen 7 5800X better than Ryzen 5 8400F?

Yes. Ryzen 7 5800X is the better overall CPU here. You are getting a 6.3% average FPS lead across 50 shared CPU game tests in our data and 12.9% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 5800X is the better pick here. According to our tests, it delivers 6.3% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the better fit. You are getting 12.9% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 7 5800X is still the faster CPU overall, but Ryzen 5 8400F makes more sense if price matters more than absolute performance. Ryzen 7 5800X is 48.2% more expensive on MSRP at $449 MSRP versus $303 MSRP, and it gives you a 6.3% average FPS lead across 50 shared CPU game tests in our data. Ryzen 5 8400F is also 31.3% better value on MSRP (81.0 vs 61.7 PassMark/$), which is why it is easier to justify for price-conscious builds on paper. That said, if you already own a compatible AM5 + DDR5 setup, Ryzen 5 8400F can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

Which one is more future-proof for 2026 and beyond?

Ryzen 5 8400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020) and a healthier platform with AM5 and DDR5 instead of AM4. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Ryzen 5 8400F Benchmark Check

Ryzen 7 5800X Benchmark Check

Path of Exile 2

Preset	Ryzen 5 8400F	Ryzen 7 5800X
1080p
low	178 FPS	206 FPS
medium	151 FPS	178 FPS
high	123 FPS	146 FPS
ultra	102 FPS	110 FPS
1440p
low	151 FPS	170 FPS
medium	124 FPS	142 FPS
high	101 FPS	115 FPS
ultra	84 FPS	88 FPS
4K
low	81 FPS	83 FPS
medium	72 FPS	74 FPS
high	58 FPS	59 FPS
ultra	45 FPS	46 FPS

Open Ryzen 5 8400F Open Ryzen 7 5800X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 8400F	Ryzen 7 5800X
1080p
low	374 FPS	662 FPS
medium	316 FPS	558 FPS
high	278 FPS	466 FPS
ultra	238 FPS	417 FPS
1440p
low	326 FPS	563 FPS
medium	282 FPS	493 FPS
high	255 FPS	423 FPS
ultra	214 FPS	361 FPS
4K
low	243 FPS	350 FPS
medium	215 FPS	308 FPS
high	198 FPS	288 FPS
ultra	165 FPS	250 FPS

Open Ryzen 5 8400F Open Ryzen 7 5800X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 8400F	Ryzen 7 5800X
1080p
low	614 FPS	693 FPS
medium	614 FPS	651 FPS
high	614 FPS	570 FPS
ultra	614 FPS	464 FPS
1440p
low	614 FPS	693 FPS
medium	603 FPS	573 FPS
high	522 FPS	498 FPS
ultra	446 FPS	413 FPS
4K
low	492 FPS	484 FPS
medium	431 FPS	410 FPS
high	369 FPS	363 FPS
ultra	303 FPS	302 FPS

Open Ryzen 5 8400F Open Ryzen 7 5800X

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 8400F	Ryzen 7 5800X
1080p
low	614 FPS	693 FPS
medium	614 FPS	693 FPS
high	614 FPS	693 FPS
ultra	614 FPS	693 FPS
1440p
low	614 FPS	693 FPS
medium	614 FPS	693 FPS
high	614 FPS	672 FPS
ultra	601 FPS	593 FPS
4K
low	610 FPS	604 FPS
medium	548 FPS	550 FPS
high	490 FPS	495 FPS
ultra	426 FPS	436 FPS

Open Ryzen 5 8400F Open Ryzen 7 5800X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 8400F and Ryzen 7 5800X

Ryzen 5 8400F

The Ryzen 5 8400F is manufactured by AMD. It was released in 1 April 2024 (1 year ago). It is based on the Phoenix (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 4.2 GHz, with boost up to 4.7 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 24,554 points. Launch price was $170.

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

⚡

Processing Power

The Ryzen 5 8400F packs 6 cores / 12 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 2 more cores. Boost clocks reach 4.7 GHz on the Ryzen 5 8400F versus 4.7 GHz on the Ryzen 7 5800X — identical boost frequencies (base: 4.2 GHz vs 3.8 GHz). The Ryzen 5 8400F uses the Phoenix (2023−2024) architecture (4 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 5 8400F scores 24,554 against the Ryzen 7 5800X's 27,712 — a 12.1% lead for the Ryzen 7 5800X. L3 cache: 16 MB (total) on the Ryzen 5 8400F vs 32 MB on the Ryzen 7 5800X.

Feature	Ryzen 5 8400F	Ryzen 7 5800X
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.7 GHz	4.7 GHz
Base Clock	4.2 GHz+11%	3.8 GHz
L3 Cache	16 MB (total)	32 MB+100%
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	4 nm-43%	7 nm, 12 nm
Architecture	Phoenix (2023−2024)	Vermeer (Zen 3) (2020−2022)
PassMark	24,554	27,712+13%

🧠

Memory & Platform

The Ryzen 5 8400F uses the AM5 socket (PCIe 4.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Ryzen 5 8400F	Ryzen 7 5800X
Socket	AM5	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

🔧

Advanced Features

Virtualization: not specified (Ryzen 5 8400F) / AMD-V (Ryzen 7 5800X). Primary use case: Ryzen 7 5800X targets Desktop.

Feature	Ryzen 5 8400F	Ryzen 7 5800X
Integrated GPU	—	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Desktop

💰

Value Analysis

The Ryzen 5 8400F launched at $303 MSRP, while the Ryzen 7 5800X debuted at $449. On MSRP ($303 vs $449), the Ryzen 5 8400F is $146 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 5 8400F delivers 81.0 pts/$ vs 61.7 pts/$ for the Ryzen 7 5800X — making the Ryzen 5 8400F the 27.1% better value option.