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Intel Core Ultra 9 285K

IntelDesktop CPU

Core Ultra 9 285K

Released October 2024.1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026ARK lists Launch Date Q4'24. Intel's press kit says systems from OEM partners start shipping on 24 October 2024, and GamersNexus and other reviews give 24 October 2024 as the release date. Last checked 23 October 2026.

Cores
24
Max boost clock
5.7GHz
L3 cache
36MB
Socket or package
LGA1851

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At a glance

All specs

SourceCalculated

General

Series
Core Ultra 200S5Press releaseintel.com/content/www/us/en/newsroom/resources/press-kit-core-ultra-series-2.htmlRead 14 October 2026Intel's launch release names the Core Ultra 200S desktop processors. ARK lists the Product Collection as Intel Core Ultra Processors (Series 2). Stored as Core Ultra 200S, in the same form as Core Ultra 200S Plus on the 270K Plus.
Model numbers
BX80768285K, BXC80768285K, AT8076806419, AT8076804D442Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/ordering.htmlRead 14 October 2026Ordering codes: BX80768285K (box, spec code SRQD5), BXC80768285K (China box, SRQD5), AT8076806419 (tray, SRQD5) and AT8076804D44 (tray, spec code Q2HA), all stepping B0.
GTIN / EAN
73585855038314Spec databasebuildcores.com/products/CPU/7v3r0osf9/Intel-Core-Ultra-9-285KRead 14 October 2026UPC 735858550383 for the boxed processor, which PB Tech also lists with MPN BX80768285K. The page lists a second UPC and two more EANs without saying which box they belong to, so they are not stored.
Announced
10 October 20245Press releaseintel.com/content/www/us/en/newsroom/resources/press-kit-core-ultra-series-2.htmlRead 14 October 2026Intel press kit: On Oct. 10, 2024, Intel launched its Intel Core Ultra 200S desktop processors (Arrow Lake-S), with systems from OEM partners starting October 24.
Status
Available1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Marketing Status: Launched. Launch Date: Q4'24. The ordering tab shows no discontinuance notice.
Predecessor
Intel Core i9-14900K15Reviewtomshardware.com/pc-components/cpus/intel-core-ultra-9-285k-cpu-reviewRead 23 October 2026Tom's Hardware names the Core i9-14900K as the previous-gen equivalent of the Core Ultra 9 285K.16Reviewclub386.com/intel-core-ultra-9-285k-vs-intel-core-i9-14900kRead 23 October 2026Club386's head-to-head calls the Core Ultra 9 285K the successor of the Core i9-14900K.
Successor
Not available
Launch price (US)
$5896Maker spec sheet (PDF)download.intel.com/newsroom/2024/client-computing/Intel-Core-Ultra-200S-Series-Presentation.pdfRead 14 October 2026Launch briefing deck, embargo 10 October 2024: Launch SKUs and Pricing slide lists the Core Ultra 9 285K at $589 USD. This is Intel's recommended customer price. ARK now shows $589.00 for the tray and $599.00 for the box, and the box price is not stored.
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Desktop1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026
Instruction set
x86-641Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026
Codename
Arrow Lake1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Code Name row reads Products formerly Arrow Lake. Stored as Arrow Lake.
CPU process (as published)
TSMC N3B1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026CPU Lithography row: TSMC N3B.
CPU process node
3nm1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026TSMC N3B is stored as 3 nm, as on the other Arrow Lake desktop products. Intel prints no nm figure.
AVX-512
No1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Instruction Set Extensions lists Intel SSE4.1, SSE4.2 and AVX2 only.

Cores and clocks

Core configuration
Core typeCountCoreBase clock (GHz)Max clock (GHz)
Performance8Lion Cove3.75.5
Efficiency16Skymont3.24.6
Source1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Performance-core Base 3.7 GHz and Max Turbo 5.5 GHz, 8 cores. Efficient-core Base 3.2 GHz and Max Turbo 4.6 GHz, 16 cores. Low Power Efficient-cores: 0. Core names come from Intel's launch press deck, which pairs Lion Cove with the P-cores and Skymont with the E-cores.
Cores
24
Cores labelled performance
8
Cores labelled efficiency
16
Threads
241Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Total Threads 24. Intel Hyper-Threading Technology: No.
Max boost clock
5.7GHz1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Max Turbo Frequency 5.7 GHz, which is also the Thermal Velocity Boost Frequency. Turbo Boost Max Technology 3.0 Frequency is 5.6 GHz and Performance-core Max Turbo Frequency is 5.5 GHz.
Unlocked for overclocking
Yes4Maker spec sheet (PDF)download.intel.com/newsroom/2024/client-computing/Product-Brief-Intel-Core-Ultra-200S-series-processors.pdfRead 14 October 2026SKU chart row Unlocked: Yes for the Core Ultra 9 285K.

Cache

L2 cache
40MB1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Total L2 Cache 40 MB.
L3 cache
36MB1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 202636 MB Intel Smart Cache.
AMD 3D V-Cache
No1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026AMD technology. ARK lists only the 36 MB Smart Cache and no stacked cache.

Power and thermals

Base power (TDP)
125W1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Processor Base Power 125 W.
Max turbo power
250W1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Maximum Turbo Power 250 W.
Configurable power range
Not available
Max operating temperature
105°C1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Max Operating Temperature 105 C.

Memory

Memory support
Memory typeModule typeModulesMax speed (MT/s)
DDR5CUDIMM2x1R6,400
DDR5CUDIMM2x2R6,400
Source4Maker spec sheet (PDF)download.intel.com/newsroom/2024/client-computing/Product-Brief-Intel-Core-Ultra-200S-series-processors.pdfRead 14 October 2026Footnote 6: maximum memory speeds are for one DIMM per channel. Up to DDR5-6400 MT/s 1DPC CUDIMM 1Rx8, 1Rx16, 2Rx8. One DIMM per channel in dual channel is two modules, so 2x1R (1Rx8 or 1Rx16) and 2x2R (2Rx8). Intel gives no speed for plain UDIMMs in this brief. Third-party summaries of Intel's datasheet name DDR5-5600 for UDIMMs, which was not confirmed in an Intel document and is not stored.
Max memory speed (official)
6,400MT/s
Memory channels
21Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026
Memory bandwidth (claimed)
Not available
Max memory
256GB1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Max Memory Size 256 GB on ARK. Intel's launch product brief lists 192 GB, so the figure was raised after launch. ARK is the current maker figure.
ECC memory support
Yes1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026ECC Memory Supported: Yes. A supporting board is still required.

Platform

Socket or package
LGA18511Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Sockets Supported: FCLGA1851. Stored without the FC prefix.
Compatible chipsets
Intel Q870, Intel H810, Intel W880, Intel B860, Intel Z8903Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/compatible.htmlRead 14 October 2026Compatible tab lists the Intel Q870, H810, W880, B860 and Z890 chipsets.
CPU PCIe lanes
PCIe generationLanes
520
44
Source1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Max # of PCI Express Lanes is 24 and PCI Express Revision is 5.0 and 4.0. Intel's product brief says up to 20 PCIe 5.0 lanes. The 4 Gen 4 lanes are 24 minus 20. ARK gives no per-generation split.4Maker spec sheet (PDF)download.intel.com/newsroom/2024/client-computing/Product-Brief-Intel-Core-Ultra-200S-series-processors.pdfRead 14 October 2026Expanded I/O: up to 20 PCIe 5.0 lanes. The SKU chart gives CPU PCIe Lanes 24.
CPU PCIe lanes in total
24
Highest PCIe generation
5
Native USB ports
Standard
Thunderbolt 4
Source1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Intel Thunderbolt 4: Yes. Intel gives no port count, so the row has no count.
Native USB4 or Thunderbolt
Yes

Integrated graphics

Integrated graphics
Yes1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026
Integrated GPU
Intel Graphics1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026GPU Name: Intel Graphics.
GPU cores
41Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Xe-cores: 4.
Max GPU clock
2,000MHz1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Graphics Max Dynamic Frequency 2 GHz.
Max displays
41Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026# of Displays Supported: 4.
DisplayPort version
2.1 UHBR201Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Graphics Output: eDP1.4b, DP 2.1 UHBR20, HDMI 2.1 FRL.
HDMI version
2.1 FRL1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Graphics Output: eDP1.4b, DP 2.1 UHBR20, HDMI 2.1 FRL.
Hardware video encode
H.264, H.265 (HEVC), AV11Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026H.264, H.265 (HEVC) and AV1 encode and decode are all listed as Yes.
Hardware video decode
H.264, H.265 (HEVC), AV11Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026H.264, H.265 (HEVC) and AV1 are listed. ARK has no VP9 row, so VP9 is left out.

NPU

NPU performance
13TOPS1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026NPU Peak TOPS (Int8): 13.
Total AI performance
36TOPS1Maker product pageintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 14 October 2026Overall Peak TOPS (Int8): 36.

Measured performance

Cinebench 2024 single-core
143.8points8Reviewtomshardware.com/pc-components/cpus/amd-ryzen-9-9950x3d2-review/3Read 14 October 2026Cinebench 2024 single-core chart: 143.8 CB marks for the Core Ultra 9 285K. Review published 21 April 2026. Test system: ASRock Z890 Taichi, 2x16 GB G.Skill Trident Z Neo RGB DDR5-7200 with XMP (above Intel's official DDR5-6400), Corsair iCue Link H150i RGB, Windows 11 24H2, VBS off, Resizable BAR on, Intel Extreme power profile off. The 24 March 2026 review of the Core Ultra 5 250K Plus shows the same value.
Cinebench 2024 multi-core
2,313points8Reviewtomshardware.com/pc-components/cpus/amd-ryzen-9-9950x3d2-review/3Read 14 October 2026Cinebench 2024 multi-core chart: 2,313 CB marks. Same test system.
Cinebench 2026 single-thread
568points8Reviewtomshardware.com/pc-components/cpus/amd-ryzen-9-9950x3d2-review/3Read 14 October 2026Cinebench 2026 chart titled Single-Core: 568 points. The chip has no SMT, so single-core and single-thread are the same test. Same test system.
Cinebench 2026 multi-core
9,182points8Reviewtomshardware.com/pc-components/cpus/amd-ryzen-9-9950x3d2-review/3Read 14 October 2026Cinebench 2026 multi-core chart: 9,182 points. Same test system.
Geekbench 6 single-core
3,326points11Reviewclub386.com/intel-core-ultra-7-270k-plus-reviewRead 14 October 2026Geekbench 6 single-core chart of the Core Ultra 7 270K Plus review, March 2026: 3,326 points for the Core Ultra 9 285K. Test system: MSI MAG Z890 Tomahawk WiFi II, 32 GB G.Skill Trident Z5 RGB DDR5-7200, Arctic Liquid Freezer III Pro 420, RTX 5090 Founders Edition. Intel Binary Optimisation applies only to the 270K Plus and 250K Plus, so the 285K bar runs without it. Geekbench 6 minor version not stated.
Geekbench 6 multi-core
22,690points11Reviewclub386.com/intel-core-ultra-7-270k-plus-reviewRead 14 October 2026Geekbench 6 multi-core chart of the same review: 22,690 points. Same test system.
Game frame rates
GameGraphics cardWidth (px)Height (px)PresetAverage FPS1 % low FPS
Baldur's Gate 3NVIDIA GeForce RTX 5090 Founders Edition19201080Ultra126.284
F1 2024NVIDIA GeForce RTX 5090 Founders Edition19201080Ultra146.897
Source9Reviewtomshardware.com/pc-components/cpus/amd-ryzen-9-9950x3d2-review/2Read 14 October 2026Per-game charts at 1920x1080 Ultra with average and 1 percent low bars, RTX 5090 Founders Edition. Baldur's Gate 3 126.2 and 84, F1 2024 146.8 and 97. Same test system as the Cinebench results. Upscaling and ray tracing are not stated. Tom's launch review of October 2024 says it tested with Intel's APO active, and the April 2026 charts do not state the APO setting. Cyberpunk 2077, Counter-Strike 2 and Final Fantasy XIV have APO profiles according to Tom's APO coverage, so those three rows and the 17-game power geomean (95.2 W) are not stored. Baldur's Gate 3 and F1 2024 are on none of the APO lists found. Intel's iBOT does not apply to the 285K.

Measured power and temperature

CPU power in multi-thread load (measured)
182W10Measurementtomshardware.com/pc-components/cpus/amd-ryzen-9-9950x3d2-review/4Read 14 October 2026Cinebench 2024 multi-core render, EPS12V measured with HWiNFO and Benchlab, average 182 W. The chart title reads Higher is better, which is a label error for watts. Tom's says all power is captured between the power supply and the motherboard. Same test system as the game results. The 250K Plus review of March 2026 shows the same 182 W.
CPU power while gaming (measured)
Not available
CPU power at idle (measured)
27W10Measurementtomshardware.com/pc-components/cpus/amd-ryzen-9-9950x3d2-review/4Read 14 October 2026Idle Power Consumption chart, EPS12V measured with HWiNFO and Benchlab, average 27 W. Same test system.
CPU temperature in stress test
77°C12Reviewhwbusters.com/cpu/intel-core-ultra-9-285k-cpu-review-performance-thermals-power-analysis/10Read 14 October 2026Max Operating Temperature (Blender) chart, review of 24 October 2024: 77 C at the Intel Default (Performance) profile. The Extreme profile bar reads 84 C and is not stored. Test system: Gigabyte Z890 Aorus Elite WiFi7 ICE with BIOS F9, XPG Lancer DDR5-6000 2x16 GB, Noctua NH-D15 G2, open bench, ambient 27 C plus or minus 2 C. Blender average power on the same page is 240.5 W.
All-core clock in stress test
5.4GHz13Reviewgamersnexus.net/cpus/get-it-together-intel-core-ultra-9-285k-cpu-review-benchmarks-vs-7800x3d-9950x-moreRead 14 October 2026GamersNexus review of 24 October 2024: in a Blender workload the 285K maintains an average P-core frequency of 5400 MHz. The fastest group is the P-cores, so 5.4 GHz is stored. The same test gives an all-core average of 4867 MHz with the E-cores included. The article text does not name the cooler or memory, and the review used the latest microcode and Windows 24H2 at publication.

In the box

Cooler in the box
No14Spec databasebuildcores.com/products/CPU/7v3r0osf9/Intel-Core-Ultra-9-285KRead 14 October 2026Includes Cooler: No, for the boxed product. Intel's ordering tab names no included cooler and its boxed processor page says processors need a thermal solution for the 125 W base power. PB Tech and Staples also say the box has no cooler.
Included cooler
Not available

Warranty

Manufacturer warranty (source market)
3years7Maker spec sheet (PDF)intel.com/content/dam/support/us/en/documents/processors/Intel-Core-Ultra-Desktop-Processor-Series-2-Limited-Warranty-Terms-and-Conditions.pdfRead 14 October 2026Intel Boxed Processors Limited Warranty for Core Ultra desktop processors (Series 2): 3 years from the purchase date of the boxed product. A tray processor is covered by the seller. Global terms, with consumer-law exceptions outside the US.

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINLaunch price (US)Markets
BX80768285K735858550383$589Not available
BXC80768285KNot availableNot availableCN
AT8076806419Not availableNot availableNot available
AT8076804D44Not availableNot availableNot available

Sources

We read 16 sources for this CPU. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 35 fields
  2. Read 14 October 2026Backs 2 fields
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  12. Read 14 October 2026Backs 1 field
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  14. Read 14 October 2026Backs 3 fields
  15. Read 23 October 2026Backs 1 field
  16. Read 23 October 2026Backs 1 field

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