Core Ultra 9 275HX vs Ryzen 9 9900X

Core Ultra 9 275HX vs Ryzen 9 9900X Performance Spectrum

Core Ultra 9 275HX

24 / 24

56,018

+2.7%

54,530

0.0%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper PRO 5995WX

Ryzen Threadripper 9970X

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 Ultra 9 275HX vs Ryzen 9 9900X 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 Ultra 9 275HX vs Ryzen 9 9900X: Pros, Cons & Final Verdict

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

Core Ultra 9 275HX

2025

Why buy it

✅Draws 55W instead of 120W, a 65W reduction.

Trade-offs

❌Lower Geekbench single-core performance for gaming (2,835 vs 3,401).
❌Lower Geekbench multi-core (17,908 vs 19,756).
❌Smaller total L3 cache (36 MB vs 64 MB).

Ryzen 9 9900X

2024

Why buy it

✅+20% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅+77.8% larger total L3 cache (64 MB vs 36 MB).

Trade-offs

❌Launch MSRP is still $499 MSRP, while Core Ultra 9 275HX mostly shows up through inconsistent older-market listings.
❌118.2% higher power demand at 120W vs 55W.

Quick Answers

So, is Ryzen 9 9900X better than Core Ultra 9 275HX?

Yes. Ryzen 9 9900X is the better all-around CPU here. It gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data and 10.3% better Geekbench multi-core, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 9900X is the better pick. According to our tests, it delivers 0.5% 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, Ryzen 9 9900X is the stronger fit. You are getting 10.3% better Geekbench multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 77.8% larger total L3 cache (64 MB vs 36 MB).

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

Ryzen 9 9900X is the better buy right now. Ryzen 9 9900X comes in at an unclear MSRP at $499 MSRP versus unclear MSRP, and it still gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (109.3 vs 0.0 PassMark/$), 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 Ultra 9 275HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2024). That makes it the safer long-term bet.

Core Ultra 9 275HX vs Ryzen 9 9900X Technical Specifications

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

Core Ultra 9 275HX

The Core Ultra 9 275HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.7 GHz, with boost up to 5.4 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 56,018 points. Launch price was $600.

Ryzen 9 9900X

The Ryzen 9 9900X is manufactured by AMD. It was released in 15 August 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 54,530 points. Launch price was $499.

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Processing Power

The Core Ultra 9 275HX packs 24 cores / 24 threads, while the Ryzen 9 9900X offers 12 cores / 24 threads — the Core Ultra 9 275HX has 12 more cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 275HX versus 5.6 GHz on the Ryzen 9 9900X — a 3.6% clock advantage for the Ryzen 9 9900X (base: 2.7 GHz vs 4.4 GHz). The Core Ultra 9 275HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Ryzen 9 9900X uses Granite Ridge (2024−2025) (4 nm). In PassMark, the Core Ultra 9 275HX scores 56,018 against the Ryzen 9 9900X's 54,530 — a 2.7% lead for the Core Ultra 9 275HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,835 vs 3,401, a 18.2% lead for the Ryzen 9 9900X that directly translates to higher frame rates. Multi-core Geekbench: 17,908 vs 19,756 (9.8% advantage for the Ryzen 9 9900X). L3 cache: 36 MB (total) on the Core Ultra 9 275HX vs 64 MB (total) on the Ryzen 9 9900X.

Feature	Core Ultra 9 275HX	Ryzen 9 9900X
Cores / Threads	24 / 24+100%	12 / 24
Boost Clock	5.4 GHz	5.6 GHz+4%
Base Clock	2.7 GHz	4.4 GHz+63%
L3 Cache	36 MB (total)	64 MB (total)+78%
L2 Cache	3 MB (per core)+200%	1 MB (per core)
Process	3 nm-25%	4 nm
Architecture	Arrow Lake-HX (2025)	Granite Ridge (2024−2025)
PassMark	56,018+3%	54,530
Cinebench R23 Multi	—	33,003
Geekbench 6 Single	2,835	3,401+20%
Geekbench 6 Multi	17,908	19,756+10%

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Memory & Platform

The Core Ultra 9 275HX uses the FCBGA2114 socket (PCIe 5.0), while the Ryzen 9 9900X uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 275HX versus DDR5-5600 on the Ryzen 9 9900X — the Core Ultra 9 275HX supports 14.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 256 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 24 PCIe lanes. Chipset compatibility: HM870,WM880 (Core Ultra 9 275HX) and A620,B650,X670,X870 (Ryzen 9 9900X).

Feature	Core Ultra 9 275HX	Ryzen 9 9900X
Socket	FCBGA2114	AM5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400+14%	DDR5-5600
Max RAM Capacity	256 GB	256 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	24	24

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9900X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 9 275HX) vs AMD-V (Ryzen 9 9900X). Both include integrated graphics — Intel Arc Graphics (Core Ultra 9 275HX) and Radeon 610M (Ryzen 9 9900X) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 9 275HX targets High-End Gaming Laptop. Direct competitor: Core Ultra 9 275HX rivals Ryzen 9 9955HX.