Photo: Intel · Official press image (media use)
Core Ultra 9 285K
- Part typeCPU
- Cores24
- Threads24
- Boost clock5.70 GHz
- Rated power (TDP/TGP)125 W
- SocketFCLGA1851
Official sources Every value below links to the official page it came from.
Zynverse Score · spec-based, not a review · 100% of scored specs known
Calculated only from official specs with fixed, published rules. How the score works
Core Ultra 9 285K overview
Intel Core Ultra 9 285K was announced on 10 October 2024. It is a 24-core, 24-thread desktop processor (Arrow Lake). It boosts up to 5.70 GHz and has 36 MB of L3 cache. It uses the FCLGA1851 socket and supports DDR5 up to 6400 MT/s, 2 channels, max 256 GB memory. Rated power: 125 W.
Written from the official specs below — no guesses. Full specs and sources follow.
Full specifications
Launch
| Release date | 24 Oct 2024 Official · intel.com · checked 28 Oct 2026 |
|---|---|
| Part type | CPU Official · intel.com · checked 28 Oct 2026 |
Core
| Cores | 24 Official · intel.com · checked 28 Oct 2026 |
|---|---|
| Threads | 24 Official · intel.com · checked 28 Oct 2026 |
| Base clock | 3.70 GHz Official · intel.com · checked 28 Oct 2026 |
| Boost clock | 5.70 GHz Official · intel.com · checked 28 Oct 2026 |
| L3 cache | 36 MB Official · intel.com · checked 28 Oct 2026 |
| Process | TSMC N3B Official · intel.com · checked 28 Oct 2026 |
| Architecture | Arrow Lake Official · intel.com · checked 28 Oct 2026 |
| Socket | FCLGA1851 Official · intel.com · checked 28 Oct 2026 |
| Integrated graphics | Intel Graphics (4 Xe-cores, up to 2 GHz) Official · intel.com · checked 28 Oct 2026 |
Memory
| Memory support | DDR5 up to 6400 MT/s, 2 channels, max 256 GB Official · intel.com · checked 28 Oct 2026 |
|---|
Power & connection
| Rated power (TDP/TGP) | 125 W Official · intel.com · checked 28 Oct 2026 |
|---|---|
| Interface | PCIe 5.0 and 4.0 Official · intel.com · checked 28 Oct 2026 |
Missing a spec? We only add a value once we find it in an official source. Spotted a mistake? Tell us with the source link.
Accessories for the Core Ultra 9 285K
Worked out from this phone’s official specs — what fits, what doesn’t, and what to look for.
Motherboard
You need a motherboard with the FCLGA1851 socket; check the board maker's CPU support list and BIOS version.
FCLGA1851Memory
Supported memory: DDR5 up to 6400 MT/s, 2 channels, max 256 GB.
CPU cooler
Pick a cooler rated above the processor's 125 W; check whether a cooler is in the box.
125 WCore Ultra 9 285K: common questions
When was the Intel Core Ultra 9 285K announced?
It was announced on 10 October 2024.
How many cores does the Intel Core Ultra 9 285K have?
Cores: 24.
How much power does the Intel Core Ultra 9 285K use?
Rated power (TDP/TGP): 125 W.
When did the Intel Core Ultra 9 285K go on sale?
Release date: 24 Oct 2024.
What is the memory support of the Intel Core Ultra 9 285K?
Memory support: DDR5 up to 6400 MT/s, 2 channels, max 256 GB.
What is the part type of the Intel Core Ultra 9 285K?
Part type: CPU.
How many threads does the Intel Core Ultra 9 285K have?
Threads: 24.
What is the base clock of the Intel Core Ultra 9 285K?
Base clock: 3.70 GHz.
What is the interface of the Intel Core Ultra 9 285K?
Interface: PCIe 5.0 and 4.0.
What is the boost clock of the Intel Core Ultra 9 285K?
Boost clock: 5.70 GHz.
What is the l3 cache of the Intel Core Ultra 9 285K?
L3 cache: 36 MB.
What is the process of the Intel Core Ultra 9 285K?
Process: TSMC N3B.
What is the architecture of the Intel Core Ultra 9 285K?
Architecture: Arrow Lake.
Which socket does the Intel Core Ultra 9 285K use?
Socket: FCLGA1851.
What is the integrated graphics of the Intel Core Ultra 9 285K?
Integrated graphics: Intel Graphics (4 Xe-cores, up to 2 GHz).
Guides & news for Core Ultra 9 285K owners
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