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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core Ultra 9 275HX

2025

Why buy it

✅Better for gaming: +5.8% higher average FPS across 4 shared CPU benchmark tests.

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

❌Worse for gaming: lower average FPS than Core Ultra 9 275HX across 4 shared CPU benchmark tests.
❌Lower Geekbench multi-core (16,214 vs 17,908).

Core Ultra 9 275HX

2025

Ryzen 9 7945HX

2023

Why buy it

✅Better for gaming: +5.8% higher average FPS across 4 shared CPU benchmark tests.

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

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

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 275HX across 4 shared CPU benchmark tests.
❌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 overall CPU here. You are getting a 5.8% average FPS lead across 4 shared CPU game tests in our data, 10.4% better Geekbench multi-core, 2.9% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Core Ultra 9 275HX is the better pick here. According to our tests, it delivers 5.8% more average FPS across 4 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 better 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 looks like the safer overall buy. Core Ultra 9 275HX is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 5.8% average FPS lead across 4 shared CPU game tests in our data.

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

Core Ultra 9 275HX is the more future-proof choice 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 should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core Ultra 9 275HX Benchmark Check

Ryzen 9 7945HX Benchmark Check

Path of Exile 2

Preset	Core Ultra 9 275HX	Ryzen 9 7945HX
1080p
low	309 FPS	301 FPS
medium	299 FPS	276 FPS
high	246 FPS	224 FPS
ultra	208 FPS	190 FPS
1440p
low	269 FPS	271 FPS
medium	228 FPS	226 FPS
high	175 FPS	172 FPS
ultra	154 FPS	153 FPS
4K
low	179 FPS	189 FPS
medium	151 FPS	157 FPS
high	112 FPS	119 FPS
ultra	101 FPS	107 FPS

Open Core Ultra 9 275HX Open Ryzen 9 7945HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 9 275HX	Ryzen 9 7945HX
1080p
low	802 FPS	744 FPS
medium	700 FPS	620 FPS
high	565 FPS	466 FPS
ultra	495 FPS	397 FPS
1440p
low	682 FPS	630 FPS
medium	614 FPS	541 FPS
high	505 FPS	419 FPS
ultra	408 FPS	328 FPS
4K
low	382 FPS	355 FPS
medium	349 FPS	309 FPS
high	326 FPS	272 FPS
ultra	283 FPS	230 FPS

Open Core Ultra 9 275HX Open Ryzen 9 7945HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 9 275HX	Ryzen 9 7945HX
1080p
low	866 FPS	893 FPS
medium	708 FPS	712 FPS
high	628 FPS	618 FPS
ultra	537 FPS	533 FPS
1440p
low	744 FPS	718 FPS
medium	611 FPS	572 FPS
high	529 FPS	487 FPS
ultra	453 FPS	418 FPS
4K
low	527 FPS	513 FPS
medium	446 FPS	427 FPS
high	403 FPS	383 FPS
ultra	344 FPS	323 FPS

Open Core Ultra 9 275HX Open Ryzen 9 7945HX

League of Legends

League of Legends

Valorant

Preset	Core Ultra 9 275HX	Ryzen 9 7945HX
1080p
low	1078 FPS	1129 FPS
medium	959 FPS	1006 FPS
high	841 FPS	873 FPS
ultra	757 FPS	768 FPS
1440p
low	862 FPS	900 FPS
medium	756 FPS	790 FPS
high	660 FPS	689 FPS
ultra	585 FPS	584 FPS
4K
low	635 FPS	648 FPS
medium	565 FPS	578 FPS
high	500 FPS	510 FPS
ultra	437 FPS	436 FPS

Open Core Ultra 9 275HX Open Ryzen 9 7945HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 9 275HX and Ryzen 9 7945HX

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.

⚡

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

🧠

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. Both support up to DDR5-6400 memory speed. The Core Ultra 9 275HX supports up to 256 GB of RAM compared to 64 GB — 120% 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	DDR5-5200
Max RAM Capacity	256 GB+300%	64 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	24	28+17%

🔧

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