Core i5-12400F vs EPYC 9555P

CPU

GPU

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

•••••••••

EPYC 9555P

64 Cores128 Thrd360 WWMax: 4.4 GHz2024

Popular choices:

i5-12400F•••••••••

Performance Spectrum - CPU

Core i5-12400F

6 / 12

19,532

0.0%

135,441

+593.4%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 7960X

Ryzen Threadripper 7970X

Ryzen Threadripper 9970X

Ryzen Threadripper 9980X

Ryzen Threadripper PRO 9985WX

Ryzen Threadripper PRO 9995WX

About PassMark

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.

Core i5-12400F

2022

Why buy it

✅Costs $7,809 less on MSRP ($174 MSRP vs $7,983 MSRP).
✅Delivers 561.6% more PassMark for each dollar spent, at 112.3 vs 17.0 PassMark/$ ($174 MSRP vs $7,983 MSRP).
✅Draws 65W instead of 360W, a 295W reduction.
✅Includes a boxed cooler (Yes), unlike EPYC 9555P.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9555P across 4 shared CPU benchmark tests.
❌Lower Geekbench multi-core (657 vs 29,406).
❌Less compelling for workstation-style loads than EPYC 9555P, which brings 64 cores / 128 threads and 128 PCIe lanes.

EPYC 9555P

2024

Why buy it

✅Better for gaming: +23.0% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 128 PCIe lanes vs 20.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 17.0 vs 112.3 PassMark/$ ($7,983 MSRP vs $174 MSRP).
❌453.8% higher power demand at 360W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

EPYC 9555P

2024

Why buy it

✅Costs $7,809 less on MSRP ($174 MSRP vs $7,983 MSRP).
✅Delivers 561.6% more PassMark for each dollar spent, at 112.3 vs 17.0 PassMark/$ ($174 MSRP vs $7,983 MSRP).
✅Draws 65W instead of 360W, a 295W reduction.
✅Includes a boxed cooler (Yes), unlike EPYC 9555P.

Why buy it

✅Better for gaming: +23.0% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 128 PCIe lanes vs 20.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9555P across 4 shared CPU benchmark tests.
❌Lower Geekbench multi-core (657 vs 29,406).
❌Less compelling for workstation-style loads than EPYC 9555P, which brings 64 cores / 128 threads and 128 PCIe lanes.

Trade-offs

❌Lower PassMark per dollar, at 17.0 vs 112.3 PassMark/$ ($7,983 MSRP vs $174 MSRP).
❌453.8% higher power demand at 360W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is EPYC 9555P better than Core i5-12400F?

Not in a simple one-size-fits-all way. EPYC 9555P makes more sense for workstation-style multi-core throughput, while Core i5-12400F is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, EPYC 9555P is the better pick here. According to our tests, it delivers 23.0% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 256 MB vs 18 MB.

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

For streaming, content creation, and heavier multitasking, EPYC 9555P is the better fit. You are getting 4375.8% better Geekbench multi-core, backed by 64 cores and 128 threads. It also carries the larger cache pool with 1322.2% larger total L3 cache (256 MB vs 18 MB).

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

EPYC 9555P is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. EPYC 9555P is 4487.9% more expensive on MSRP at $7,983 MSRP versus $174 MSRP, and it gives you a 23.0% average FPS lead across 4 shared CPU game tests in our data. Core i5-12400F is also 561.6% better value on MSRP (112.3 vs 17.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

EPYC 9555P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022), 3D V-Cache and a much larger 256 MB L3 cache instead of 18 MB, and more multi-core headroom with 64 cores / 128 threads instead of 6/12. 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.

Core i5-12400F Benchmark Check

EPYC 9555P Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	EPYC 9555P
1080p
low	183 FPS	171 FPS
medium	168 FPS	142 FPS
high	139 FPS	122 FPS
ultra	119 FPS	99 FPS
1440p
low	153 FPS	150 FPS
medium	132 FPS	121 FPS
high	106 FPS	99 FPS
ultra	89 FPS	83 FPS
4K
low	87 FPS	84 FPS
medium	81 FPS	73 FPS
high	64 FPS	57 FPS
ultra	49 FPS	47 FPS

Open Core i5-12400F Open EPYC 9555P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	EPYC 9555P
1080p
low	471 FPS	655 FPS
medium	397 FPS	566 FPS
high	341 FPS	459 FPS
ultra	301 FPS	397 FPS
1440p
low	407 FPS	546 FPS
medium	351 FPS	483 FPS
high	309 FPS	404 FPS
ultra	265 FPS	328 FPS
4K
low	282 FPS	331 FPS
medium	248 FPS	295 FPS
high	229 FPS	268 FPS
ultra	196 FPS	236 FPS

Open Core i5-12400F Open EPYC 9555P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	EPYC 9555P
1080p
low	488 FPS	747 FPS
medium	488 FPS	634 FPS
high	488 FPS	590 FPS
ultra	488 FPS	519 FPS
1440p
low	488 FPS	561 FPS
medium	488 FPS	474 FPS
high	485 FPS	434 FPS
ultra	434 FPS	376 FPS
4K
low	442 FPS	405 FPS
medium	389 FPS	326 FPS
high	337 FPS	288 FPS
ultra	274 FPS	229 FPS

Open Core i5-12400F Open EPYC 9555P

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	EPYC 9555P
1080p
low	488 FPS	1005 FPS
medium	488 FPS	902 FPS
high	488 FPS	778 FPS
ultra	488 FPS	702 FPS
1440p
low	488 FPS	809 FPS
medium	488 FPS	704 FPS
high	488 FPS	603 FPS
ultra	473 FPS	533 FPS
4K
low	488 FPS	574 FPS
medium	450 FPS	510 FPS
high	391 FPS	447 FPS
ultra	330 FPS	392 FPS

Open Core i5-12400F Open EPYC 9555P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and EPYC 9555P

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

EPYC 9555P

The EPYC 9555P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 360 Watt. Memory support: DDR5. Passmark benchmark score: 135,441 points. Launch price was $7,983.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the EPYC 9555P offers 64 cores / 128 threads — the EPYC 9555P has 58 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 4.4 GHz on the EPYC 9555P — identical boost frequencies (base: 2.5 GHz vs 3.2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the EPYC 9555P uses Turin (2024) (4 nm). In PassMark, the Core i5-12400F scores 19,532 against the EPYC 9555P's 135,441 — a 149.6% lead for the EPYC 9555P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 2,815, a 49.4% lead for the EPYC 9555P that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 29,406 (191.3% advantage for the EPYC 9555P). L3 cache: 18 MB (total) on the Core i5-12400F vs 256 MB (total) on the EPYC 9555P.

Feature	Core i5-12400F	EPYC 9555P
Cores / Threads	6 / 12	64 / 128+967%
Boost Clock	4.4 GHz	4.4 GHz
Base Clock	2.5 GHz	3.2 GHz+28%
L3 Cache	18 MB (total)	256 MB (total)+1322%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	4 nm-43%
Architecture	Alder Lake-S (2022)	Turin (2024)
PassMark	19,532	135,441+593%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	2,815+66%
Geekbench 6 Multi	657	29,406+4376%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the EPYC 9555P uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800, DDR4-3200 memory speed. The Core i5-12400F supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 12 (EPYC 9555P). PCIe lanes: 20 (Core i5-12400F) vs 128 (EPYC 9555P) — the EPYC 9555P offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and SP5 (EPYC 9555P).

Feature	Core i5-12400F	EPYC 9555P
Socket	LGA1700	SP5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-6000
Max RAM Capacity	128 GB	6 TB+4700%
RAM Channels	2	12+500%
ECC Support	No	Yes
PCIe Lanes	20	128+540%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V, SEV-SNP (EPYC 9555P). Primary use case: Core i5-12400F targets Gaming Performance/Value, EPYC 9555P targets Data Center / Single Socket. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; EPYC 9555P rivals Xeon 6979P.

Feature	Core i5-12400F	EPYC 9555P
Integrated GPU	No	No
Virtualization	VT-x, VT-d, EPT	AMD-V, SEV-SNP
Target Use	Gaming Performance/Value	Data Center / Single Socket

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the EPYC 9555P debuted at $7983. On MSRP ($174 vs $7983), the Core i5-12400F is $7809 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 17.0 pts/$ for the EPYC 9555P — making the Core i5-12400F the 147.5% better value option.