Core i5-12400F vs EPYC 7551P

CPU

GPU

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

•••••••••

EPYC 7551P

32 Cores64 Thrd180 WWMax: 3 GHz2017

Popular choices:

i5-12400F•••••••••

Performance Spectrum - CPU

Core i5-12400F

6 / 12

19,532

0.0%

38,111

+95.1%

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

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

✅Better for gaming: +4.9% higher average FPS across 43 shared CPU benchmark tests.
✅Costs $1,926 less on MSRP ($174 MSRP vs $2,100 MSRP).
✅Delivers 518.5% more PassMark for each dollar spent, at 112.3 vs 18.1 PassMark/$ ($174 MSRP vs $2,100 MSRP).
✅Draws 65W instead of 180W, a 115W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Lower PassMark (19,532 vs 38,111).
❌Smaller total L3 cache (18 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7551P, which brings 32 cores / 64 threads and 128 PCIe lanes.

EPYC 7551P

2017

Why buy it

✅+95.1% higher PassMark.
✅+255.6% larger total L3 cache (64 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 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 Core i5-12400F across 43 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 18.1 vs 112.3 PassMark/$ ($2,100 MSRP vs $174 MSRP).
❌176.9% higher power demand at 180W vs 65W.
❌Older platform position on TR4 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

EPYC 7551P

2017

Why buy it

✅Better for gaming: +4.9% higher average FPS across 43 shared CPU benchmark tests.
✅Costs $1,926 less on MSRP ($174 MSRP vs $2,100 MSRP).
✅Delivers 518.5% more PassMark for each dollar spent, at 112.3 vs 18.1 PassMark/$ ($174 MSRP vs $2,100 MSRP).
✅Draws 65W instead of 180W, a 115W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of TR4 and DDR4.

Why buy it

✅+95.1% higher PassMark.
✅+255.6% larger total L3 cache (64 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 20.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (19,532 vs 38,111).
❌Smaller total L3 cache (18 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7551P, which brings 32 cores / 64 threads and 128 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 43 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 18.1 vs 112.3 PassMark/$ ($2,100 MSRP vs $174 MSRP).
❌176.9% higher power demand at 180W vs 65W.
❌Older platform position on TR4 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core i5-12400F better than EPYC 7551P?

Not in a simple one-size-fits-all way. EPYC 7551P 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 streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, EPYC 7551P is the better fit. You are getting 95.1% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 255.6% larger total L3 cache (64 MB vs 18 MB).

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

Core i5-12400F is the smarter buy today. Core i5-12400F is $1,926 cheaper on MSRP at $174 MSRP versus $2,100 MSRP, and it gives you a 4.9% average FPS lead across 43 shared CPU game tests in our data. The trade-off is that EPYC 7551P is still stronger for heavier multi-core work with 95.1% better PassMark. It is also 518.5% better value on MSRP (112.3 vs 18.1 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Core i5-12400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2017) and a healthier platform with LGA1700 and DDR5 instead of TR4. 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 7551P Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	EPYC 7551P
1080p
low	183 FPS	187 FPS
medium	168 FPS	165 FPS
high	139 FPS	132 FPS
ultra	119 FPS	105 FPS
1440p
low	153 FPS	153 FPS
medium	132 FPS	127 FPS
high	106 FPS	97 FPS
ultra	89 FPS	78 FPS
4K
low	87 FPS	71 FPS
medium	81 FPS	63 FPS
high	64 FPS	48 FPS
ultra	49 FPS	39 FPS

Open Core i5-12400F Open EPYC 7551P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	EPYC 7551P
1080p
low	471 FPS	207 FPS
medium	397 FPS	188 FPS
high	341 FPS	160 FPS
ultra	301 FPS	131 FPS
1440p
low	407 FPS	178 FPS
medium	351 FPS	163 FPS
high	309 FPS	141 FPS
ultra	265 FPS	111 FPS
4K
low	282 FPS	112 FPS
medium	248 FPS	103 FPS
high	229 FPS	92 FPS
ultra	196 FPS	75 FPS

Open Core i5-12400F Open EPYC 7551P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	EPYC 7551P
1080p
low	488 FPS	620 FPS
medium	488 FPS	518 FPS
high	488 FPS	466 FPS
ultra	488 FPS	399 FPS
1440p
low	488 FPS	517 FPS
medium	488 FPS	432 FPS
high	485 FPS	378 FPS
ultra	434 FPS	325 FPS
4K
low	442 FPS	383 FPS
medium	389 FPS	308 FPS
high	337 FPS	270 FPS
ultra	274 FPS	220 FPS

Open Core i5-12400F Open EPYC 7551P

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	EPYC 7551P
1080p
low	488 FPS	834 FPS
medium	488 FPS	758 FPS
high	488 FPS	651 FPS
ultra	488 FPS	561 FPS
1440p
low	488 FPS	667 FPS
medium	488 FPS	584 FPS
high	488 FPS	500 FPS
ultra	473 FPS	420 FPS
4K
low	488 FPS	475 FPS
medium	450 FPS	427 FPS
high	391 FPS	375 FPS
ultra	330 FPS	320 FPS

Open Core i5-12400F Open EPYC 7551P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and EPYC 7551P

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 7551P

The EPYC 7551P is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 38,111 points. Launch price was $2,100.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the EPYC 7551P offers 32 cores / 64 threads — the EPYC 7551P has 26 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3 GHz on the EPYC 7551P — a 37.8% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the EPYC 7551P uses Naples (2017−2018) (14 nm). In PassMark, the Core i5-12400F scores 19,532 against the EPYC 7551P's 38,111 — a 64.5% lead for the EPYC 7551P. L3 cache: 18 MB (total) on the Core i5-12400F vs 64 MB (total) on the EPYC 7551P.

Feature	Core i5-12400F	EPYC 7551P
Cores / Threads	6 / 12	32 / 64+433%
Boost Clock	4.4 GHz+47%	3 GHz
Base Clock	2.5 GHz+25%	2 GHz
L3 Cache	18 MB (total)	64 MB (total)+256%
L2 Cache	1.25 MB (per core)+150%	512K (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-S (2022)	Naples (2017−2018)
PassMark	19,532	38,111+95%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the EPYC 7551P uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus 2666 on the EPYC 7551P — the EPYC 7551P supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7551P supports up to 2048 of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 8 (EPYC 7551P). PCIe lanes: 20 (Core i5-12400F) vs 128 (EPYC 7551P) — the EPYC 7551P offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and SP3 (EPYC 7551P).

Feature	Core i5-12400F	EPYC 7551P
Socket	LGA1700	TR4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR5-4800, DDR4-3200	2666+53220%
Max RAM Capacity	128 GB+6553500%	2048
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	20	128+540%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V, IOMMU (EPYC 7551P). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; EPYC 7551P rivals Xeon Platinum 8160.

Feature	Core i5-12400F	EPYC 7551P
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	No
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	AMD-V, IOMMU
Target Use	Gaming Performance/Value	—

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the EPYC 7551P debuted at $2100. On MSRP ($174 vs $2100), the Core i5-12400F is $1926 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 18.1 pts/$ for the EPYC 7551P — making the Core i5-12400F the 144.3% better value option.