Core i9-12900HX vs Ryzen 7 5800X

CPU

GPU

Core i9-12900HX

16 Cores24 Thrd55 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 i9-12900HX vs Ryzen 7 5800X Performance Spectrum

Core i9-12900HX

16 / 24

33,018

+19.1%

27,712

0.0%

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 i9-12900HX 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 i9-12900HX 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 i9-12900HX

2022

Why buy it

✅Draws 55W instead of 105W, a 50W reduction.
✅Newer platform on FCBGA1964 with DDR5 support instead of AM4 and DDR4.
✅100% more PCIe lanes (48 vs 24) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 770, while Ryzen 7 5800X needs a discrete GPU.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 7 5800X.

Trade-offs

❌Lower PassMark per dollar, at 54.5 vs 61.7 PassMark/$ ($606 MSRP vs $449 MSRP).

Ryzen 7 5800X

2020

Why buy it

✅Costs $157 less on MSRP ($449 MSRP vs $606 MSRP).
✅Delivers 13.3% more PassMark for each dollar spent, at 61.7 vs 54.5 PassMark/$ ($449 MSRP vs $606 MSRP).

Trade-offs

❌Lower PassMark (27,712 vs 33,018).
❌90.9% higher power demand at 105W vs 55W.
❌Older platform position on AM4 with DDR4, while Core i9-12900HX moves to FCBGA1964 and DDR5.
❌No integrated graphics, while Core i9-12900HX can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i9-12900HX.

Quick Answers

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

Yes. Core i9-12900HX is the better all-around CPU here. It gives you a 1.5% average FPS lead across 50 shared CPU game tests in our data, 19.1% 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 i9-12900HX is the better pick. According to our tests, it delivers 1.5% 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 i9-12900HX is the stronger fit. You are getting 19.1% better PassMark, backed by 16 cores and 24 threads.

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

Core i9-12900HX is still the faster CPU overall, but Ryzen 7 5800X is easier to justify if budget matters more than peak performance. Core i9-12900HX comes in 35.0% more expensive on MSRP at $606 MSRP versus $449 MSRP, and it still gives you a 1.5% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 5800X is also 13.3% better value on MSRP (61.7 vs 54.5 PassMark/$), 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 i9-12900HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020), a healthier platform with FCBGA1964 and DDR5 instead of AM4, and more multi-core headroom with 16 cores / 24 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

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

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

Core i9-12900HX

The Core i9-12900HX is manufactured by Intel. It was released in 10 May 2022 (3 years ago). It is based on the Alder Lake-HX (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.3 GHz, with boost up to 5 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 33,018 points. Launch price was $499.

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 i9-12900HX packs 16 cores / 24 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Core i9-12900HX has 8 more cores. Boost clocks reach 5 GHz on the Core i9-12900HX versus 4.7 GHz on the Ryzen 7 5800X — a 6.2% clock advantage for the Core i9-12900HX (base: 2.3 GHz vs 3.8 GHz). The Core i9-12900HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i9-12900HX scores 33,018 against the Ryzen 7 5800X's 27,712 — a 17.5% lead for the Core i9-12900HX. L3 cache: 30 MB (total) on the Core i9-12900HX vs 32 MB on the Ryzen 7 5800X.

Feature	Core i9-12900HX	Ryzen 7 5800X
Cores / Threads	16 / 24+100%	8 / 16
Boost Clock	5 GHz+6%	4.7 GHz
Base Clock	2.3 GHz	3.8 GHz+65%
L3 Cache	30 MB (total)	32 MB+7%
L2 Cache	1.25 MB (per core)	512K (per core)+40860%
Process	Intel 7 nm	7 nm, 12 nm
Architecture	Alder Lake-HX (2022)	Vermeer (Zen 3) (2020−2022)
PassMark	33,018+19%	27,712
Cinebench R23 Multi	23,150	—
Geekbench 6 Single	2,426	—
Geekbench 6 Multi	14,620	—

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Memory & Platform

The Core i9-12900HX uses the FCBGA1964 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, DDR4-3200 on the Core i9-12900HX versus DDR4-3200 on the Ryzen 7 5800X — the Core i9-12900HX supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 48 (Core i9-12900HX) vs 24 (Ryzen 7 5800X) — the Core i9-12900HX offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i9-12900HX) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).

Feature	Core i9-12900HX	Ryzen 7 5800X
Socket	FCBGA1964	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800, DDR4-3200+50%	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	48+100%	24

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d, EPT (Core i9-12900HX) vs AMD-V (Ryzen 7 5800X). The Core i9-12900HX includes integrated graphics (UHD Graphics 770), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Core i9-12900HX targets High-end Mobile Performance, Ryzen 7 5800X targets Desktop. Direct competitor: Core i9-12900HX rivals Ryzen 9 6900HX.

Feature	Core i9-12900HX	Ryzen 7 5800X
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 770	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	AMD-V
Target Use	High-end Mobile Performance	Desktop

💰

Value Analysis

At launch, the Core i9-12900HX was priced at $606, while the Ryzen 7 5800X came in at $449. On launch pricing ($606 vs $449), Ryzen 7 5800X was $157 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900HX delivers 54.5 pts/$ vs 61.7 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 12.5% better value option.

Feature	Core i9-12900HX	Ryzen 7 5800X
MSRP	$606	$449-26%
Performance per Dollar	54.5	61.7+13%
Release Date	2022	2020

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