Core Ultra 7 265K vs Ryzen 9 7945HX3D

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 7 265K

2024

Why buy it

Trade-offs

❌Smaller total L3 cache (30 MB vs 128 MB).
❌Launch MSRP is still $309 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.

Ryzen 9 7945HX3D

2023

Why buy it

✅+326.7% larger total L3 cache (128 MB vs 30 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (57,803 vs 58,789).

Core Ultra 7 265K

2024

Ryzen 9 7945HX3D

2023

Why buy it

✅+326.7% larger total L3 cache (128 MB vs 30 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (30 MB vs 128 MB).
❌Launch MSRP is still $309 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.

Trade-offs

❌Lower PassMark (57,803 vs 58,789).

Quick Answers

So, is Core Ultra 7 265K better than Ryzen 9 7945HX3D?

Yes. Core Ultra 7 265K is the better overall CPU here. You are getting a 1.5% average FPS lead across 50 shared CPU game tests in our data, 1.7% better 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 7 265K is the better pick here. 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 Ultra 7 265K is the better fit. You are getting 1.7% better PassMark, backed by 20 cores and 20 threads.

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

Core Ultra 7 265K is the smarter buy today. Core Ultra 7 265K is at an unclear MSRP at $309 MSRP versus unclear MSRP, and it gives you a 1.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (190.3 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Core Ultra 7 265K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023) and more multi-core headroom with 20 cores / 20 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 7 265K Benchmark Check

Ryzen 9 7945HX3D Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 265K	Ryzen 9 7945HX3D
1080p
low	305 FPS	279 FPS
medium	290 FPS	257 FPS
high	244 FPS	210 FPS
ultra	205 FPS	178 FPS
1440p
low	240 FPS	263 FPS
medium	201 FPS	220 FPS
high	163 FPS	169 FPS
ultra	142 FPS	149 FPS
4K
low	158 FPS	183 FPS
medium	132 FPS	152 FPS
high	102 FPS	116 FPS
ultra	89 FPS	103 FPS

Open Core Ultra 7 265K Open Ryzen 9 7945HX3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 265K	Ryzen 9 7945HX3D
1080p
low	778 FPS	673 FPS
medium	656 FPS	580 FPS
high	548 FPS	432 FPS
ultra	491 FPS	363 FPS
1440p
low	673 FPS	559 FPS
medium	595 FPS	499 FPS
high	499 FPS	385 FPS
ultra	422 FPS	301 FPS
4K
low	395 FPS	314 FPS
medium	357 FPS	284 FPS
high	335 FPS	250 FPS
ultra	292 FPS	211 FPS

Open Core Ultra 7 265K Open Ryzen 9 7945HX3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 265K	Ryzen 9 7945HX3D
1080p
low	851 FPS	1025 FPS
medium	694 FPS	1077 FPS
high	617 FPS	1022 FPS
ultra	528 FPS	875 FPS
1440p
low	731 FPS	884 FPS
medium	599 FPS	805 FPS
high	521 FPS	740 FPS
ultra	442 FPS	647 FPS
4K
low	517 FPS	539 FPS
medium	436 FPS	464 FPS
high	396 FPS	418 FPS
ultra	337 FPS	355 FPS

Open Core Ultra 7 265K Open Ryzen 9 7945HX3D

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 265K	Ryzen 9 7945HX3D
1080p
low	1128 FPS	1051 FPS
medium	1015 FPS	951 FPS
high	889 FPS	833 FPS
ultra	808 FPS	745 FPS
1440p
low	892 FPS	831 FPS
medium	789 FPS	736 FPS
high	687 FPS	645 FPS
ultra	611 FPS	555 FPS
4K
low	604 FPS	607 FPS
medium	542 FPS	544 FPS
high	489 FPS	482 FPS
ultra	432 FPS	416 FPS

Open Core Ultra 7 265K Open Ryzen 9 7945HX3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 7 265K and Ryzen 9 7945HX3D

Core Ultra 7 265K

The Core Ultra 7 265K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,789 points. Launch price was $394.

Ryzen 9 7945HX3D

The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.

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Processing Power

The Core Ultra 7 265K packs 20 cores / 20 threads, while the Ryzen 9 7945HX3D offers 16 cores / 32 threads — the Core Ultra 7 265K has 4 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265K versus 5.4 GHz on the Ryzen 9 7945HX3D — a 1.8% clock advantage for the Core Ultra 7 265K (base: 3.9 GHz vs 2.3 GHz). The Core Ultra 7 265K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen 9 7945HX3D uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Core Ultra 7 265K scores 58,789 against the Ryzen 9 7945HX3D's 57,803 — a 1.7% lead for the Core Ultra 7 265K. L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 128 MB (total) on the Ryzen 9 7945HX3D.

Feature	Core Ultra 7 265K	Ryzen 9 7945HX3D
Cores / Threads	20 / 20+25%	16 / 32
Boost Clock	5.5 GHz+2%	5.4 GHz
Base Clock	3.9 GHz+70%	2.3 GHz
L3 Cache	30 MB (total)	128 MB (total)+327%
L2 Cache	3 MB (per core)+200%	1 MB (per core)
Process	3 nm-40%	5 nm
Architecture	Arrow Lake-S (2024−2025)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	58,789+2%	57,803
Cinebench R23 Multi	36,309	—
Geekbench 6 Single	3,283	—
Geekbench 6 Multi	22,293	—

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Memory & Platform

The Core Ultra 7 265K uses the LGA1851 socket (PCIe 5.0), while the Ryzen 9 7945HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265K versus 5200 on the Ryzen 9 7945HX3D — the Ryzen 9 7945HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 7 265K supports up to 256 GB of RAM compared to 128 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core Ultra 7 265K) vs 28 (Ryzen 9 7945HX3D) — the Ryzen 9 7945HX3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1851 (Core Ultra 7 265K) and FL1 (Ryzen 9 7945HX3D).

Feature	Core Ultra 7 265K	Ryzen 9 7945HX3D
Socket	LGA1851	FL1
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400	5200+103900%
Max RAM Capacity	256 GB+209715100%	128
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	28+40%

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core Ultra 7 265K) vs VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D). Both include integrated graphics — Arc Graphics 64EU (Core Ultra 7 265K) and AMD Radeon 610M (Ryzen 9 7945HX3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 9 7945HX3D rivals Core Ultra 9 285HX.

Feature	Core Ultra 7 265K	Ryzen 9 7945HX3D
Integrated GPU	Yes	Yes
IGPU Model	Arc Graphics 64EU	AMD Radeon 610M
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, AMD-V

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Value Analysis

The Core Ultra 7 265K launched at $309 MSRP, while the Ryzen 9 7945HX3D debuted at $0. On MSRP ($309 vs $0), the Ryzen 9 7945HX3D is $309 cheaper.