Core i9-12900 vs Core Ultra 9 285H

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 i9-12900 vs Core Ultra 9 285H 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 i9-12900 vs Core Ultra 9 285H: Pros, Cons & Final Verdict

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

Core i9-12900

2022

Why buy it

✅+25% larger total L3 cache (30 MB vs 24 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 285H across 50 shared CPU benchmark tests.
❌Lower PassMark (33,695 vs 34,327).
❌Launch MSRP is still $519 MSRP, while Core Ultra 9 285H mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.

Core Ultra 9 285H

2025

Why buy it

✅Better for gaming: +4.1% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 65W, a 20W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (24 MB vs 30 MB).

Quick Answers

So, is Core Ultra 9 285H better than Core i9-12900?

Yes. Core Ultra 9 285H is the better all-around CPU here. It gives you a 4.1% average FPS lead across 50 shared CPU game tests in our data, 1.9% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core Ultra 9 285H is the better pick. According to our tests, it delivers 4.1% 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 Ultra 9 285H is the stronger fit. You are getting 1.9% better PassMark, backed by 16 cores and 16 threads.

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

Core Ultra 9 285H is still the faster CPU overall, but Core i9-12900 is easier to justify if budget matters more than peak performance. Core Ultra 9 285H comes in at an unclear MSRP at unclear MSRP versus $519 MSRP, and it still gives you a 4.1% average FPS lead across 50 shared CPU game tests in our data. Core i9-12900 is also 100.0% better value on MSRP (64.9 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core Ultra 9 285H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2022) and more multi-core headroom with 16 cores / 16 threads instead of 16/24. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-12900 vs Core Ultra 9 285H Technical Specifications

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

Core i9-12900

The Core i9-12900 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 16 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 5.1 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): 65 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 33,695 points. Launch price was $489.

Core Ultra 9 285H

The Core Ultra 9 285H is manufactured by Intel. It was released in 13 January 2025 (less than a year ago). It is based on the Arrow Lake-H (2025) architecture. It features 16 cores and 16 threads. Base frequency is 2.9 GHz, with boost up to 5.4 GHz. L3 cache: 24 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 45 Watt. Memory support: DDR5-6400. Passmark benchmark score: 34,327 points. Launch price was $651.

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Processing Power

The Core i9-12900 packs 16 cores / 24 threads, matching the Core Ultra 9 285H's 16 cores. Boost clocks reach 5.1 GHz on the Core i9-12900 versus 5.4 GHz on the Core Ultra 9 285H — a 5.7% clock advantage for the Core Ultra 9 285H (base: 2.4 GHz vs 2.9 GHz). The Core i9-12900 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core Ultra 9 285H uses Arrow Lake-H (2025) (3 nm). In PassMark, the Core i9-12900 scores 33,695 against the Core Ultra 9 285H's 34,327 — a 1.9% lead for the Core Ultra 9 285H. L3 cache: 30 MB (total) on the Core i9-12900 vs 24 MB (total) on the Core Ultra 9 285H.

Feature	Core i9-12900	Core Ultra 9 285H
Cores / Threads	16 / 24	16 / 16
Boost Clock	5.1 GHz	5.4 GHz+6%
Base Clock	2.4 GHz	2.9 GHz+21%
L3 Cache	30 MB (total)+25%	24 MB (total)
L2 Cache	1.25 MB (per core)	3 MB (per core)+140%
Process	Intel 7 nm	3 nm-57%
Architecture	Alder Lake-S (2022)	Arrow Lake-H (2025)
PassMark	33,695	34,327+2%
Cinebench R23 Multi	—	26,500
Geekbench 6 Single	—	2,720
Geekbench 6 Multi	—	15,330

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Memory & Platform

The Core i9-12900 uses the LGA1700 socket (PCIe 5.0), while the Core Ultra 9 285H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i9-12900 versus LPDDR5x-8400, DDR5-6400 on the Core Ultra 9 285H — the Core Ultra 9 285H supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 9 285H supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-12900) vs 28 (Core Ultra 9 285H) — the Core Ultra 9 285H offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i9-12900) and SoC (Core Ultra 9 285H).

Feature	Core i9-12900	Core Ultra 9 285H
Socket	LGA1700	FCBGA2049
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	4800	LPDDR5x-8400, DDR5-6400+75%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	28+40%

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i9-12900) vs VT-x, VT-d, EPT (Core Ultra 9 285H). Both include integrated graphics — Intel UHD Graphics 770 (Core i9-12900) and Intel Arc 140T (8 Xe-cores) (Core Ultra 9 285H) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 9 285H targets High-end Mobile Workstation. Direct competitor: Core i9-12900 rivals Ryzen 9 5900; Core Ultra 9 285H rivals Ryzen AI 9 HX 375.

Feature	Core i9-12900	Core Ultra 9 285H
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 770	Intel Arc 140T (8 Xe-cores)
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	—	High-end Mobile Workstation