Core i9-12900HK vs EPYC 7551

Core i9-12900HK vs EPYC 7551 Performance Spectrum

Core i9-12900HK

14 / 20

25,512

0.0%

25,844

+1.3%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

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.

Core i9-12900HK vs EPYC 7551 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-12900HK vs EPYC 7551: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-12900HK

2022

Why buy it

✅Better for gaming: +13.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 180W, a 135W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of TR4 and DDR4.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Iris Xe Graphics G7 (96EUs), while EPYC 7551 needs a discrete GPU.

Trade-offs

❌Lower PassMark (25,512 vs 25,844).
❌Smaller total L3 cache (24 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7551, which brings 32 cores / 64 threads.

EPYC 7551

2017

Why buy it

✅+1.3% higher PassMark.
✅+166.7% larger total L3 cache (64 MB vs 24 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-12900HK across 50 shared CPU benchmark tests.
❌300% higher power demand at 180W vs 45W.
❌Older platform position on TR4 with DDR4, while Core i9-12900HK moves to FCBGA1744 and DDR5.
❌No integrated graphics, while Core i9-12900HK can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i9-12900HK.

Quick Answers

So, is Core i9-12900HK better than EPYC 7551?

Not really, because they are built for different jobs. EPYC 7551 makes more sense for workstation-style multi-core throughput, while Core i9-12900HK is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, EPYC 7551 is the stronger fit. You are getting 1.3% better PassMark, backed by 32 cores and 64 threads. It also has the larger cache pool with 166.7% larger total L3 cache (64 MB vs 24 MB).

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

Core i9-12900HK still makes the most sense overall. Core i9-12900HK comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 13.5% average FPS lead across 50 shared CPU game tests in our data.

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

Core i9-12900HK makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2017) and a healthier platform with FCBGA1744 and DDR5 instead of TR4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-12900HK vs EPYC 7551 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-12900HK

The Core i9-12900HK is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-H (2022) architecture. It features 14 cores and 20 threads. Base frequency is 2.5 GHz, with boost up to 5 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 25,512 points. Launch price was $299.

EPYC 7551

The EPYC 7551 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: 25,844 points. Launch price was $3,400.

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Processing Power

The Core i9-12900HK packs 14 cores / 20 threads, while the EPYC 7551 offers 32 cores / 64 threads — the EPYC 7551 has 18 more cores. Boost clocks reach 5 GHz on the Core i9-12900HK versus 3 GHz on the EPYC 7551 — a 50% clock advantage for the Core i9-12900HK (base: 2.5 GHz vs 2 GHz). The Core i9-12900HK uses the Alder Lake-H (2022) architecture (Intel 7 nm), while the EPYC 7551 uses Naples (2017−2018) (14 nm). In PassMark, the Core i9-12900HK scores 25,512 against the EPYC 7551's 25,844 — a 1.3% lead for the EPYC 7551. L3 cache: 24 MB (total) on the Core i9-12900HK vs 64 MB (total) on the EPYC 7551.

Feature	Core i9-12900HK	EPYC 7551
Cores / Threads	14 / 20	32 / 64+129%
Boost Clock	5 GHz+67%	3 GHz
Base Clock	2.5 GHz+25%	2 GHz
L3 Cache	24 MB (total)	64 MB (total)+167%
L2 Cache	1.25 MB (per core)	512K (per core)+40860%
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-H (2022)	Naples (2017−2018)
PassMark	25,512	25,844+1%
Cinebench R23 Multi	18,197	—
Geekbench 6 Single	1,938	—
Geekbench 6 Multi	13,317	—

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Memory & Platform

The Core i9-12900HK uses the FCBGA1744 socket (PCIe 5.0), while the EPYC 7551 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i9-12900HK	EPYC 7551
Socket	FCBGA1744	TR4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800, DDR4-3200	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	28	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i9-12900HK) / not specified (EPYC 7551). The Core i9-12900HK includes integrated graphics (Iris Xe Graphics G7 (96EUs)), while the EPYC 7551 requires a dedicated GPU. Primary use case: Core i9-12900HK targets Enthusiast Gaming Laptop. Direct competitor: Core i9-12900HK rivals Ryzen 9 6900HX.

Feature	Core i9-12900HK	EPYC 7551
Integrated GPU	Yes	—
IGPU Model	Iris Xe Graphics G7 (96EUs)	—
Unlocked	Yes	—
AVX-512	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Enthusiast Gaming Laptop	—