IntelReleased 2024

Intel Core Ultra 9 285K

Name: Intel Core Ultra 9 285K
Brand: Intel
SKU: intel-core-ultra-9-285k
Price: 480.00 GBP
Availability: InStock

Intel's Arrow Lake flagship with 24 cores, a 5.7 GHz boost ceiling, and full OC access on the new LGA1851 platform with DDR5-only support.

94/100

Outstanding

Overall score · how we rate

24 cores5.7 GHz boostLGA1851 socketDDR5 onlyUnlocked multiplier

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Why we rate it

5.7 GHz Arrow Lake flagship boost
LGA1851 with future upgrade path
24 cores for demanding productivity
Better efficiency than 14th gen
No HyperThreading, 24 threads only
Gaming trails AMD V-Cache chips

Score profile

Where the Intel Core Ultra 9 285K wins and loses

Scored against the cpus class

Multi-threaded performance

Gaming performance

Power efficiency

Platform modernity

Full specification

Specifications

Grouped · supported features marked in blue

General info

ManufacturerIntel

FamilyCore Ultra 9

SocketLGA 1851

Compatible chipsetIntel 800 Series

PCIe version5

Cores and threads

Cores24

P-cores8

E-cores16

Clocks and cache

Turbo / boost clock5.7 GHz

Memory

DDR memory versionDDR5

Power

Base TDP125 W

Features and IO

Unlocked multiplierYes

Watch it in action

Head to head

Intel Core Ultra 9 285K vs Intel Intel Core Ultra 7 265K

Highlighted cell = better in that row

Intel Core Ultra 9 285KIntel Core Ultra 7 265K

	IntelIntel Core Ultra 9 285KThis page	IntelIntel Core Ultra 7 265K
Overall score	94 /100Better	88 /100
Core count	24Better	20
Thread count	—	20
Boost clock	5.7 GHzBetter	5.5 GHz
Base clock	—	3.9 GHz
TDP	125 W	125 W
L3 cache	—	30 MB

Who it's for

Is the Intel Core Ultra 9 285K right for you?

Buy it if

New builds wanting Intel's current-gen architecture

Builders starting fresh who want Intel's newest platform, future upgrade potential, and strong productivity performance. The 285K is Arrow Lake's strongest desktop chip for these priorities.

Skip it if

Gaming-first builders or budget-conscious buyers

For gaming, AMD's V-Cache chips lead on AM5. For budget-sensitive builds, the LGA1851 platform cost (board plus DDR5) is higher than AMD AM5 at comparable performance levels.

Intel platform enthusiast creator

Wants Intel's current-gen flagship on LGA1851 for heavy rendering, video work, and gaming. The 285K's 24 cores and efficiency on Intel 3 deliver a capable all-round performance profile.

excellent

Long-term Intel build planner

Building a system with multi-year upgrade plans. LGA1851 offers future Intel CPU upgrades; the 285K is the performance starting point that's upgradeable later.

good

Heavy productivity workloads

Compiles large codebases, renders regularly, or handles scientific computing. Arrow Lake's efficiency and 24 cores deliver strong throughput at lower power than 14th gen equivalents.

good

Pure gaming buyer

Gaming frame rates are the primary measure. AMD's 9800X3D and 9850X3D outperform the 285K in gaming. AM5 with V-Cache is the gaming-first choice.

skip

Common questions

Before you buy

Is the Core Ultra 9 285K better than the i9-14900K for gaming?

Generally no, despite being newer. Arrow Lake's gaming performance improved with patches but still trails the best Raptor Lake chips. For gaming, AMD's V-Cache chips are the clear leaders.

Why does the Core Ultra 9 285K have no HyperThreading?

Intel removed HyperThreading from Arrow Lake P-cores as part of the architectural redesign. With 24 cores, the 285K has 24 threads. E-cores compensate for parallelism but the change affects HT-dependent workload scaling.

What memory does the Core Ultra 9 285K use?

DDR5 only. LGA1851 does not support DDR4. Budget for DDR5 memory as part of the total platform cost.

Will future Intel CPUs work in LGA1851 boards?

Yes. LGA1851 is intended to receive future Intel generations, unlike LGA1700 which ended with 14th gen. This is the platform's main advantage for builders planning long-term.

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