Core i9-12900KS vs EPYC 7D12

Core i9-12900KS vs EPYC 7D12 Performance Spectrum

Core i9-12900KS

16 / 24

43,528

+2.9%

42,285

0.0%

Ryzen 7 7735H

Ryzen 5 7600X

Ryzen AI 9 HX PRO 370

Ryzen 7 9700X

Ryzen 9 7945HX3D

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 i9-12900KS vs EPYC 7D12 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 i9-12900KS vs EPYC 7D12: Pros, Cons & Final Verdict

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

Core i9-12900KS

2022

Why buy it

✅Better for gaming: +38.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $261 less on MSRP ($739 MSRP vs $1,000 MSRP).
✅Delivers 39.3% more PassMark for each dollar spent, at 58.9 vs 42.3 PassMark/$ ($739 MSRP vs $1,000 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of SP3 and DDR4.
✅Integrated graphics onboard with UHD 770, while EPYC 7D12 needs a discrete GPU.

Trade-offs

❌Less compelling for workstation-style loads than EPYC 7D12, which brings 32 cores / 64 threads and 128 PCIe lanes.
❌76.5% higher power demand at 150W vs 85W.

EPYC 7D12

2020

Why buy it

✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 20.
✅Draws 85W instead of 150W, a 65W reduction.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-12900KS across 50 shared CPU benchmark tests.
❌Lower PassMark (42,285 vs 43,528).
❌Lower PassMark per dollar, at 42.3 vs 58.9 PassMark/$ ($1,000 MSRP vs $739 MSRP).
❌Older platform position on SP3 with DDR4, while Core i9-12900KS moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i9-12900KS can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-12900KS better than EPYC 7D12?

Not really, because they are built for different jobs. EPYC 7D12 makes more sense for workstation-style multi-core throughput, while Core i9-12900KS is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i9-12900KS is the better pick. According to our tests, it delivers 38.2% 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, Core i9-12900KS is the stronger fit. You are getting 2.9% better PassMark, backed by 16 cores and 24 threads.

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

Core i9-12900KS is the better buy right now. Core i9-12900KS comes in $261 cheaper on MSRP at $739 MSRP versus $1,000 MSRP, and it still gives you a 38.2% average FPS lead across 50 shared CPU game tests in our data. It is also 39.3% better value on MSRP (58.9 vs 42.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i9-12900KS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020), a healthier platform with LGA1700 and DDR5 instead of SP3, and more multi-core headroom with 16 cores / 24 threads instead of 32/64. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-12900KS vs EPYC 7D12 Technical Specifications

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

Core i9-12900KS

The Core i9-12900KS is manufactured by Intel. It was released in 5 April 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 3.4 GHz, with boost up to 5.3 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 150 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 43,528 points. Launch price was $499.

EPYC 7D12

The EPYC 7D12 is manufactured by AMD. It was released in 2015-01-01. It is based on the Rome (2020) architecture. It features 32 cores and 64 threads. Base frequency is 1.1 GHz, with boost up to 3 GHz. L3 cache: 32 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 85 Watt. Memory support: DDR4. Passmark benchmark score: 42,285 points. Launch price was $800.

⚡

Processing Power

The Core i9-12900KS packs 16 cores / 24 threads, while the EPYC 7D12 offers 32 cores / 64 threads — the EPYC 7D12 has 16 more cores. Boost clocks reach 5.3 GHz on the Core i9-12900KS versus 3 GHz on the EPYC 7D12 — a 55.4% clock advantage for the Core i9-12900KS (base: 3.4 GHz vs 1.1 GHz). The Core i9-12900KS uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the EPYC 7D12 uses Rome (2020) (7 nm). In PassMark, the Core i9-12900KS scores 43,528 against the EPYC 7D12's 42,285 — a 2.9% lead for the Core i9-12900KS. L3 cache: 30 MB (total) on the Core i9-12900KS vs 32 MB (total) on the EPYC 7D12.

Feature	Core i9-12900KS	EPYC 7D12
Cores / Threads	16 / 24	32 / 64+100%
Boost Clock	5.3 GHz+77%	3 GHz
Base Clock	3.4 GHz+209%	1.1 GHz
L3 Cache	30 MB (total)	32 MB (total)+7%
L2 Cache	1.25 MB (per core)+150%	512 kB (per core)
Process	Intel 7 nm	7 nm
Architecture	Alder Lake-S (2022)	Rome (2020)
PassMark	43,528+3%	42,285
Cinebench R23 Multi	27,796	—
Geekbench 6 Single	2,082	—

🧠

Memory & Platform

The Core i9-12900KS uses the LGA1700 socket (PCIe 5.0), while the EPYC 7D12 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i9-12900KS versus 3200 on the EPYC 7D12 — the Core i9-12900KS supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7D12 supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 2 (Core i9-12900KS) vs 8 (EPYC 7D12). PCIe lanes: 20 (Core i9-12900KS) vs 128 (EPYC 7D12) — the EPYC 7D12 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1700 (Core i9-12900KS) and SP3 (EPYC 7D12).

Feature	Core i9-12900KS	EPYC 7D12
Socket	LGA1700	SP3
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800+50%	3200
Max RAM Capacity	128 GB	4096 GB+3100%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	128+540%

🔧

Advanced Features

Only the Core i9-12900KS has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-12900KS) vs VT-x, VT-d, AMD-V (EPYC 7D12). The Core i9-12900KS includes integrated graphics (UHD 770), while the EPYC 7D12 requires a dedicated GPU. Direct competitor: EPYC 7D12 rivals Xeon Gold 6248.

Feature	Core i9-12900KS	EPYC 7D12
Integrated GPU	Yes	No
IGPU Model	UHD 770	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, AMD-V

💰

Value Analysis

At launch, the Core i9-12900KS was priced at $739, while the EPYC 7D12 came in at $1000. On launch pricing ($739 vs $1000), Core i9-12900KS was $261 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900KS delivers 58.9 pts/$ vs 42.3 pts/$ for the EPYC 7D12 — making the Core i9-12900KS the 32.8% better value option.

Feature	Core i9-12900KS	EPYC 7D12
MSRP	$739-26%	$1000
Performance per Dollar	58.9+39%	42.3
Release Date	2022	2020

Search Core i9-12900KS on Amazon

Search EPYC 7D12 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.