Intel S1851 Core Ultra 7 265K 20 Core 5.5GHz CPU BX80768265K

CPU Specifications

Total Cores 

20

# of Performance-cores

8

# of Efficient-cores

12

Total Threads 

20

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5.5 GHz

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5.5 GHz

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5.4 GHz

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4.6 GHz

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3.9 GHz

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3.3 GHz

Cache 

30 MB Intel® Smart Cache

Total L2 Cache

36 MB

Processor Base Power 

125 W

Maximum Turbo Power 

250 W

Intel® Deep Learning Boost (Intel® DL Boost) on CPU 

Yes

AI Software Frameworks Supported by CPU

OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

CPU Lithography 

TSMC N3B

Supplemental Information

Marketing Status

Launched

Launch Date 

Q4'24

Embedded Options Available 

No

Use Conditions PRQ report.
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PC/Client/Tablet, Workstation

Memory Specifications

Max Memory Size (dependent on memory type) 

192 GB

Memory Types 

Up to DDR5 6400 MT/s

Maximum Memory Speed

6400 MHz

Max # of Memory Channels 

2

ECC Memory Supported ^‡ 

Yes

GPU Specifications

GPU Name^‡ 

Intel® Graphics

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300 MHz

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2 GHz

GPU Peak TOPS (Int8) 

8

Graphics Output 

DP2.1 UHBR20, HDM2.1 FRL 12GHz, eDP1.4b

X^e-cores

4

Max Resolution (HDMI)^‡ 

4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL)

Max Resolution (DP)‡ 

8K @ 60Hz

Max Resolution (eDP - Integrated Flat Panel)‡ 

4K @ 60Hz

DirectX* Support 

12

OpenGL* Support 

4.5

OpenCL* Support 

3

Intel® Quick Sync Video 

Yes

# of Displays Supported ^‡

4

Device ID

0x7D67

Intel® Deep Learning Boost (Intel® DL Boost) on GPU 

Yes

NPU Specifications

NPU Name^‡

Intel® AI Boost

NPU Peak TOPS (Int8) 

13

Sparsity Support

Yes

Windows Studio Effects Support

Yes

AI Software Frameworks Supported by NPU

OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Expansion Options

Direct Media Interface (DMI) Revision

4

Max # of DMI Lanes

8

Intel® Thunderbolt™ 4 

Yes

Scalability

1S Only

PCI Express Revision 

5.0 and 4.0

PCI Express Configurations ^‡ 

Up to 1x16+2x4, 2x8+2x4,
1x8+4x4

Max # of PCI Express Lanes 

24

Package Specifications

Sockets Supported 

FCLGA1851

Thermal Solution Specification 

PCG 2020A

Max Operating Temperature 

105 °C

Advanced Technologies

Intel® Volume Management Device (VMD) 

Yes

Intel® Gaussian & Neural Accelerator 

3.5

Intel® Thread Director 

Yes

Intel® Speed Shift Technology 

Yes

Intel® Turbo Boost Max Technology 3.0 ^‡ 

Yes

Intel® Turbo Boost Technology ^‡ 

2.0

Intel® 64 ^‡ 

Yes

Instruction Set 

64-bit

Instruction Set Extensions 

Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2

Idle States 

Yes

Enhanced Intel SpeedStep® Technology 

Yes

Thermal Monitoring Technologies 

Yes

Security & Reliability

Intel vPro® Eligibility ^‡ Intel vPro® Enterprise: Commercial platform offering the full set of security, manageability, and stability features for any given Intel processor generation, including Intel® Active Management Technology

• Intel vPro® Essentials: Commercial platform offering a subset of Intel vPro® Enterprise features, including Intel® Hardware Shield and Intel® Standard Manageability
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  Intel vPro® Enterprise, Intel vPro® Platform

  Intel® Threat Detection Technology (TDT)

  Yes

  Intel® Active Management Technology (AMT) ^‡ 

  Yes

  Intel® Standard Manageability (ISM) ^‡ 

  Yes

  Intel® Remote Platform Erase (RPE) ^‡

  Yes

  Intel® One-Click Recovery ^‡

  Yes

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  Yes

  Intel® Control-Flow Enforcement Technology 

  Yes

  Intel® Total Memory Encryption - Multi Key

  Yes

  Intel® AES New Instructions 

  Yes

  Secure Key 

  Yes

  Intel® Trusted Execution Technology ^‡ 

  Yes

  Execute Disable Bit ^‡ 

  Yes

  Intel® OS Guard

  Yes

  Intel® Boot Guard 

  Yes

  Mode-based Execute Control (MBEC) 

  Yes

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  Yes

  Intel® Virtualization Technology with Redirect Protection (VT-rp) ^‡

  Yes

  Intel® Virtualization Technology (VT-x) ^‡ 

  Yes

  Intel® Virtualization Technology for Directed I/O (VT-d) ^‡ 

  Yes

  Intel® VT-x with Extended Page Tables (EPT) ^‡ 

  Yes