Core Ultra 7 265K vs Core Ultra 9 285HX

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 7 265K vs Core Ultra 9 285HX 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 7 265K vs Core Ultra 9 285HX: 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 7 265K

2024

Why buy it

✅+5.7% higher Geekbench single-core performance for gaming and desktop responsiveness.

Trade-offs

❌Smaller total L3 cache (30 MB vs 36 MB).
❌Launch MSRP is still $309 MSRP, while Core Ultra 9 285HX mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.

Core Ultra 9 285HX

2025

Why buy it

✅+20% larger total L3 cache (36 MB vs 30 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower Geekbench single-core performance for gaming (3,106 vs 3,283).
❌Lower Geekbench multi-core (22,200 vs 22,293).

Quick Answers

So, is Core Ultra 7 265K better than Core Ultra 9 285HX?

Yes. Core Ultra 7 265K is the better all-around CPU here. It gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data, 0.4% better Geekbench multi-core, and 0.1% higher PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core Ultra 7 265K is the better pick. According to our tests, it delivers 2.2% 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 stronger fit. You are getting 0.4% better Geekbench multi-core, 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 better buy right now. Core Ultra 7 265K comes in at an unclear MSRP at $309 MSRP versus unclear MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (190.3 vs 0.0 PassMark/$), so 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 285HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2024) and 20% larger total L3 cache (36 MB vs 30 MB). That makes it the safer long-term bet.

Core Ultra 7 265K vs Core Ultra 9 285HX Technical Specifications

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

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.

Core Ultra 9 285HX

The Core Ultra 9 285HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.8 GHz, with boost up to 5.5 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: 58,732 points. Launch price was $650.

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Processing Power

The Core Ultra 7 265K packs 20 cores / 20 threads, while the Core Ultra 9 285HX offers 24 cores / 24 threads — the Core Ultra 9 285HX has 4 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265K versus 5.5 GHz on the Core Ultra 9 285HX — identical boost frequencies (base: 3.9 GHz vs 2.8 GHz). Both are built on the Arrow Lake-S (2024−2025) architecture using a 3 nm process. In PassMark, the Core Ultra 7 265K scores 58,789 against the Core Ultra 9 285HX's 58,732 — a 0.1% lead for the Core Ultra 7 265K. Geekbench 6 single-core — the metric most relevant to gaming — records 3,283 vs 3,106, a 5.5% lead for the Core Ultra 7 265K that directly translates to higher frame rates. Multi-core Geekbench: 22,293 vs 22,200 (0.4% advantage for the Core Ultra 7 265K). L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 36 MB (total) on the Core Ultra 9 285HX.

Feature	Core Ultra 7 265K	Core Ultra 9 285HX
Cores / Threads	20 / 20	24 / 24+20%
Boost Clock	5.5 GHz	5.5 GHz
Base Clock	3.9 GHz+39%	2.8 GHz
L3 Cache	30 MB (total)	36 MB (total)+20%
L2 Cache	3 MB (per core)	3 MB (per core)
Process	3 nm	3 nm
Architecture	Arrow Lake-S (2024−2025)	Arrow Lake-S (2024−2025)
PassMark	58,789	58,732
Cinebench R23 Multi	36,309	—
Geekbench 6 Single	3,283+6%	3,106
Geekbench 6 Multi	22,293	22,200

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Memory & Platform

The Core Ultra 7 265K uses the LGA1851 socket (PCIe 5.0), while the Core Ultra 9 285HX uses FCBGA2114 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Core Ultra 7 265K supports up to 256 GB of RAM compared to 192 GB — 33.3% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core Ultra 7 265K) vs 24 (Core Ultra 9 285HX) — the Core Ultra 9 285HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1851 (Core Ultra 7 265K) and Intel HM870 (Core Ultra 9 285HX).

Feature	Core Ultra 7 265K	Core Ultra 9 285HX
Socket	LGA1851	FCBGA2114
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400	DDR5-6400
Max RAM Capacity	256 GB+33%	192 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	24+20%

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Core Ultra 7 265K supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 7 265K) vs true (Core Ultra 9 285HX). Both include integrated graphics — Arc Graphics 64EU (Core Ultra 7 265K) and Intel Arc Graphics (Core Ultra 9 285HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core Ultra 9 285HX rivals Ryzen 9 7945HX3D.