Core i9-12900H vs Ryzen 7 5800X

CPU

GPU

Core i9-12900H

14 Cores20 Thrd45 WWMax: 5 GHz2022

Core family

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Ryzen 7 5800X

8 Cores16 Thrd105 WWMax: 4.7 GHz2020

Ryzen family

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Core i9-12900H vs Ryzen 7 5800X Performance Spectrum

Core i9-12900H

14 / 20

27,079

0.0%

27,712

+2.3%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

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 i9-12900H vs Ryzen 7 5800X 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 i9-12900H vs Ryzen 7 5800X: Pros, Cons & Final Verdict

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

Core i9-12900H

2022

Why buy it

✅Draws 45W instead of 105W, a 60W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Iris Xe Graphics 96EU, while Ryzen 7 5800X needs a discrete GPU.

Trade-offs

❌Lower PassMark (27,079 vs 27,712).
❌Smaller total L3 cache (24 MB vs 32 MB).
❌Lower PassMark per dollar, at 43.9 vs 61.7 PassMark/$ ($617 MSRP vs $449 MSRP).

Ryzen 7 5800X

2020

Why buy it

✅+2.3% higher PassMark.
✅+33.3% larger total L3 cache (32 MB vs 24 MB).
✅Costs $168 less on MSRP ($449 MSRP vs $617 MSRP).
✅Delivers 40.6% more PassMark for each dollar spent, at 61.7 vs 43.9 PassMark/$ ($449 MSRP vs $617 MSRP).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌133.3% higher power demand at 105W vs 45W.
❌Older platform position on AM4 with DDR4, while Core i9-12900H moves to FCBGA1744 and DDR5.
❌No integrated graphics, while Core i9-12900H can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-12900H better than Ryzen 7 5800X?

It depends on what you want from the system. For gaming, Core i9-12900H is ahead with a 1.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 5800X pulls ahead with 2.3% better PassMark. Ryzen 7 5800X also has the bigger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the stronger fit. You are getting 2.3% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

Core i9-12900H is still the faster CPU overall, but Ryzen 7 5800X is easier to justify if budget matters more than peak performance. Core i9-12900H comes in 37.4% more expensive on MSRP at $617 MSRP versus $449 MSRP, and it still gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Ryzen 7 5800X is still stronger for heavier multi-core work with 2.3% better PassMark. Ryzen 7 5800X is also 40.6% better value on MSRP (61.7 vs 43.9 PassMark/$), 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 i9-12900H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020) and a healthier platform with FCBGA1744 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-12900H vs Ryzen 7 5800X Technical Specifications

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

Core i9-12900H

The Core i9-12900H 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: 27,079 points. Launch price was $299.

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

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Processing Power

The Core i9-12900H packs 14 cores / 20 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Core i9-12900H has 6 more cores. Boost clocks reach 5 GHz on the Core i9-12900H versus 4.7 GHz on the Ryzen 7 5800X — a 6.2% clock advantage for the Core i9-12900H (base: 2.5 GHz vs 3.8 GHz). The Core i9-12900H uses the Alder Lake-H (2022) architecture (Intel 7 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i9-12900H scores 27,079 against the Ryzen 7 5800X's 27,712 — a 2.3% lead for the Ryzen 7 5800X. L3 cache: 24 MB (total) on the Core i9-12900H vs 32 MB on the Ryzen 7 5800X.

Feature	Core i9-12900H	Ryzen 7 5800X
Cores / Threads	14 / 20+75%	8 / 16
Boost Clock	5 GHz+6%	4.7 GHz
Base Clock	2.5 GHz	3.8 GHz+52%
L3 Cache	24 MB (total)	32 MB+33%
L2 Cache	1.25 MB (per core)	512K (per core)+40860%
Process	Intel 7 nm	7 nm, 12 nm
Architecture	Alder Lake-H (2022)	Vermeer (Zen 3) (2020−2022)
PassMark	27,079	27,712+2%
Cinebench R23 Multi	16,500	—
Geekbench 6 Single	2,400	—
Geekbench 6 Multi	12,900	—

🧠

Memory & Platform

The Core i9-12900H uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i9-12900H versus DDR4-3200 on the Ryzen 7 5800X — the Core i9-12900H supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-12900H) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 600 Series (Mobile) (Core i9-12900H) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).

Feature	Core i9-12900H	Ryzen 7 5800X
Socket	FCBGA1744	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800+50%	DDR4-3200
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	24+20%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: Yes (Core i9-12900H) vs AMD-V (Ryzen 7 5800X). The Core i9-12900H includes integrated graphics (Iris Xe Graphics 96EU), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Core i9-12900H targets Mobile, Ryzen 7 5800X targets Desktop.

Feature	Core i9-12900H	Ryzen 7 5800X
Integrated GPU	Yes	No
IGPU Model	Iris Xe Graphics 96EU	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	Yes	AMD-V
Target Use	Mobile	Desktop

💰

Value Analysis

At launch, the Core i9-12900H was priced at $617, while the Ryzen 7 5800X came in at $449. On launch pricing ($617 vs $449), Ryzen 7 5800X was $168 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900H delivers 43.9 pts/$ vs 61.7 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 33.8% better value option.

Feature	Core i9-12900H	Ryzen 7 5800X
MSRP	$617	$449-27%
Performance per Dollar	43.9	61.7+41%
Release Date	2022	2020

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