Home/Processors/Intel Core Ultra 9 285K
Intel Core Ultra 9 285K
Intel Desktop CPU

Intel Core Ultra 9 285K

91A+
Cores24
Threads24
Boost Clock5.5 GHz
TDP125 W
SocketFCLGA-1851
Process3 nm
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Benchmarks

Cinebench 2024 Single-Core141
Cinebench 2024 Multi-Core2261
TDP125 W Boost: 250 W
Cache L336MB
Cinebench 2024 (Single)141
Cinebench 2024 (Multi)2261
Geekbench 6 (Single-Core)3379
Geekbench 6 (Multi-Core)23,095
Passmark CPU (Single-Core)5085
Passmark CPU (Multi-Core)67,230
Blender CPU554.43
iGPU FLOPS2 TFLOPS

Full specifications

GeekBench v6

File compression
1560 MB/sec
Clang compilation
242.2 Klines/sec
HTML 5 Browser
479.5 pages/sec
PDF Renderer
622.1 Mpixels/sec
Text processing
371.2 pages/sec
Background blur
95.4 images/sec
Photo processing
164.2 images/sec
Ray tracing
52.3 Mpixels/sec

PassMark

Integer math
172.3 GOps/sec
Floating point math
224.2 GOps/sec
Find prime numbers
542M Primes/sec
Random string sorting
94.9M Strings/sec
Data encryption
57.7 GBytes/sec
Data compression
789.7 MBytes/sec
Physics
3933 Frames/sec
Extended instructions
62.3B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
18.1 PPW
Geekbench 6 Multi / Watt
184.8 PPW
Passmark CPU Mark / Watt
537.8 PPW
Blender / Watt
4.44 PPW

General

Vendor
Intel
Released
October 11, 2024
Type
Desktop
Instruction Set
x86-64
Codename
Arrow Lake
Model number
285K
Integrated GPU
Arc iGPU (4-Cores)
AMD Equivalent
- AMD Ryzen 9 9950X

CPU

P-Cores
8
P-Threads
8
Base Frequency (P)
3.7 GHz
Turbo Boost Frequency (P)
5.5 GHz
E-Cores
16
E-Threads
16
Base Frequency (E)
3.2 GHz
Turbo Boost Frequency (E)
4.6 GHz
Total Cores
24
Total Threads
24
Bus Frequency
100 MHz
Multiplier
37x
L1 Cache
192K (per core)
L2 Cache
3MB (per core)
L3 Cache
36MB (shared)
Unlocked Multiplier
Yes

Package

Fabrication Process
3 nm
TDP (PL1)
125 W
Max. Boost TDP (PL2)
250 W
Socket
FCLGA-1851
Peak Temperature
105°C

iGPU

Integrated Graphics
Intel Arc iGPU (4-Cores)
GPU Base Clock
300 MHz
GPU Boost Clock
2000 MHz
Shading Units
512
TMUs
32
ROPs
16
Execution Units
64
TGP
14 W

Memory Support

Memory Types
- DDR5-6400
Max. Memory Size
192 GB
Memory Channels
2
Max. Memory Bandwidth
102.4 GB/s
ECC Support
Yes

Misc

Official Site
Intel Core Ultra 9 285K official page
PCI Express Version
5.0
PCI Express Lanes
24
Technologies
- Compute: ABM, ADX, AI Boost 3.0, AVX-VNNI, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, SHA - Performance: CFET, EIST, TBMT 3.0, TBT 2.0, TVB, Thread Director - Virtualization: VT-d, VT-rp, VT-x - Security: MBEC, RDRAND, SIPP, TDT, TXT, XD bit, vPro

Specifications compiled from NanoReview. Last updated 2026-09-27.

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