Core Ultra 9 275HX vs Ryzen 9 7945HX

Core Ultra 9 275HX vs Ryzen 9 7945HX Performance Spectrum

Core Ultra 9 275HX

24 / 24

56,018

+2.9%

54,425

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 7945HX 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 7945HX: 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

✅+2.2% higher Geekbench single-core performance for gaming and desktop responsiveness.

Trade-offs

❌Smaller total L3 cache (36 MB vs 64 MB).
❌No boxed cooler included, unlike Ryzen 9 7945HX.

Ryzen 9 7945HX

2023

Why buy it

✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Laptop Integrated), unlike Core Ultra 9 275HX.

Trade-offs

❌Lower Geekbench single-core performance for gaming (2,774 vs 2,835).
❌Lower Geekbench multi-core (16,214 vs 17,908).

Quick Answers

So, is Core Ultra 9 275HX better than Ryzen 9 7945HX?

Yes. Core Ultra 9 275HX is the better all-around CPU here. It gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data, 10.4% better Geekbench multi-core, 2.9% higher 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 275HX is the better pick. According to our tests, it delivers 1.6% 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 275HX is the stronger fit. You are getting 10.4% better Geekbench multi-core, backed by 24 cores and 24 threads.

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

Core Ultra 9 275HX still makes the most sense overall. Core Ultra 9 275HX comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data.

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 2023) and more multi-core headroom with 24 cores / 24 threads instead of 16/32. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 9 275HX vs Ryzen 9 7945HX 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 7945HX

The Ryzen 9 7945HX is manufactured by AMD. It was released in 2023-03-12. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on CCD = 5 nm, I/O = 6 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 54,425 points. Launch price was $700.

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Processing Power

The Core Ultra 9 275HX packs 24 cores / 24 threads, while the Ryzen 9 7945HX offers 16 cores / 32 threads — the Core Ultra 9 275HX has 8 more cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 275HX versus 5.4 GHz on the Ryzen 9 7945HX — identical boost frequencies (base: 2.7 GHz vs 2.5 GHz). The Core Ultra 9 275HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Ryzen 9 7945HX uses Dragon Range-HX (Zen 4) (2023−2024) (CCD = 5 nm, I/O = 6 nm). In PassMark, the Core Ultra 9 275HX scores 56,018 against the Ryzen 9 7945HX's 54,425 — a 2.9% lead for the Core Ultra 9 275HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,835 vs 2,774, a 2.2% lead for the Core Ultra 9 275HX that directly translates to higher frame rates. Multi-core Geekbench: 17,908 vs 16,214 (9.9% advantage for the Core Ultra 9 275HX). L3 cache: 36 MB (total) on the Core Ultra 9 275HX vs 64 MB (total) on the Ryzen 9 7945HX.

Feature	Core Ultra 9 275HX	Ryzen 9 7945HX
Cores / Threads	24 / 24+50%	16 / 32
Boost Clock	5.4 GHz	5.4 GHz
Base Clock	2.7 GHz+8%	2.5 GHz
L3 Cache	36 MB (total)	64 MB (total)+78%
L2 Cache	3 MB (per core)+200%	1 MB (per core)
Process	3 nm-40%	CCD = 5 nm, I/O = 6 nm
Architecture	Arrow Lake-HX (2025)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	56,018+3%	54,425
Cinebench R23 Multi	—	34,521
Geekbench 6 Single	2,835+2%	2,774
Geekbench 6 Multi	17,908+10%	16,214

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Memory & Platform

The Core Ultra 9 275HX uses the FCBGA2114 socket (PCIe 5.0), while the Ryzen 9 7945HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 275HX versus DDR5-5200 on the Ryzen 9 7945HX — the Core Ultra 9 275HX supports 23.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 9 275HX supports up to 256 GB of RAM compared to 64 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 9 275HX) vs 28 (Ryzen 9 7945HX) — the Ryzen 9 7945HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 9 275HX) and FL1 (Ryzen 9 7945HX).

Feature	Core Ultra 9 275HX	Ryzen 9 7945HX
Socket	FCBGA2114	FL1
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400+23%	DDR5-5200
Max RAM Capacity	256 GB+300%	64 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	24	28+17%

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7945HX 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 7945HX). Both include integrated graphics — Intel Arc Graphics (Core Ultra 9 275HX) and Radeon 610M (Ryzen 9 7945HX) — 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, Ryzen 9 7945HX targets Extreme Gaming / Mobile Workstation. Direct competitor: Core Ultra 9 275HX rivals Ryzen 9 9955HX; Ryzen 9 7945HX rivals Core i9-14900HX.

Feature	Core Ultra 9 275HX	Ryzen 9 7945HX
Integrated GPU	Yes	Yes
IGPU Model	Intel Arc Graphics	Radeon 610M
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	High-End Gaming Laptop	Extreme Gaming / Mobile Workstation