Description
Core Ultra 9
RCP (1KU)
$589–$599
Intel® Core™ Ultra Processors — Series 2
Core Ultra 9
285K
Desktop, socket LGA1851. Formerly codenamed Arrow Lake, built on TSMC N3B, launched Q4'24.
24threads
8P + 16E cores
5.7GHz
Max turbo frequency
36MB
Intel® Smart Cache
36TOPS
Overall peak Int8 (CPU+GPU+NPU)
Core topology
01 / DIE MAP
24 physical cores split across two microarchitectures — 8 Performance-cores tuned for peak single-thread clock, and 16 Efficient-cores for parallel throughput per watt. Hover a cell for its clock ceiling.
Performance-core (×8) Efficient-core (×16)
P-core turbo
Up to 5.5 GHz max turbo, base clock 3.7 GHz. Carries Intel® Thermal Velocity Boost to 5.7 GHz single-core.
E-core turbo
Up to 4.6 GHz max turbo, base clock 3.2 GHz — no low-power E-cores on this die.
Multi-core boost
Intel® Turbo Boost Max Technology 3.0 targets the fastest two cores at 5.6 GHz for lightly-threaded bursts.
Power envelope
125 W base, 250 W maximum turbo power draw.
CPU
02 / CORE
Total cores / threads24 / 24
Performance-cores8
Efficient-cores16
Low power E-cores0
Max turbo frequency5.7 GHz
Thermal Velocity Boost5.7 GHz
Turbo Boost Max 3.05.6 GHz
P-core base / turbo3.7 GHz / 5.5 GHz
E-core base / turbo3.2 GHz / 4.6 GHz
Smart Cache36 MB
Total L2 cache40 MB
Base / max turbo power125 W / 250 W
LithographyTSMC N3B
Intel® DL Boost (CPU)Yes
Memory
03 / SUBSYSTEM
Max memory size256 GB
Memory typeUp to DDR5-6400
Memory channels2
ECC supportYes
Graphics
04 / IGPU
GPUIntel® Graphics
Xe-cores4
Base / dynamic frequency300 MHz / 2 GHz
GPU peak TOPS (Int8)8
OutputseDP 1.4b, DP 2.1 UHBR20, HDMI 2.1 FRL
Displays supported4
Max resolution (DP)7680×4320 @ 60Hz
Max resolution (HDMI)7680×4320 @ 60Hz (FRL)
DirectX / OpenGL / OpenCL12 / 4.5 / 3.0
AV1 / HEVC / H.264Encode + Decode
Intel® Quick Sync VideoYes
Intel® DL Boost (GPU)Yes
Platform
05 / GENERAL
Vertical segmentDesktop
Use conditionsPC/Client/Tablet, Workstation
Launch dateQ4 2024
Marketing statusLaunched
Embedded optionsNo
CPU AI frameworksOpenVINO, WindowsML, DirectML, ONNX RT, WebNN
Intel® Core™ Ultra 9 Processor 285K BOX
LE 33,000.00