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Essentials
Product Collection
Vertical Segment
Processor Number
Lithography
Product Collection
 9th Generation Intel® Core™ i5 Processors
Vertical Segment
 Desktop
Processor Number
 i5-9400F
Lithography
 14 nm
Product Collection
 9th Generation Intel® Core™ i5 Processors
Vertical Segment
 Desktop
Processor Number
 i5-9400F
Lithography
 14 nm
CPU Specifications
Total Cores
Total Threads
Max Turbo Frequency
Intel® Turbo Boost Technology 2.0 Frequency‡
Processor Base Frequency
Cache
Bus Speed
TDP
Total Cores
 6
Total Threads
 6
Max Turbo Frequency
 4.10 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡
 4.10 GHz
Processor Base Frequency
 2.90 GHz
Cache
 9 MB Intel® Smart Cache
Bus Speed
 8 GT/s
TDP
 65 W
Total Cores
 6
Total Threads
 6
Max Turbo Frequency
 4.10 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡
 4.10 GHz
Processor Base Frequency
 2.90 GHz
Cache
 9 MB Intel® Smart Cache
Bus Speed
 8 GT/s
TDP
 65 W
Supplemental Information
Marketing Status
Launch Date
Embedded Options Available
Use Conditions
Datasheet
Marketing Status
 Discontinued
Launch Date
 Q1'19
Embedded Options Available
 No
Use Conditions
 PC/Client/Tablet
Datasheet
 View now
Marketing Status
 Discontinued
Launch Date
 Q1'19
Embedded Options Available
 No
Use Conditions
 PC/Client/Tablet
Datasheet
 View now
Memory Specifications
Max Memory Size (dependent on memory type)
Memory Types
Max # of Memory Channels
Max Memory Bandwidth
ECC Memory Supported ‡
Max Memory Size (dependent on memory type)
 128 GB
Memory Types
 DDR4-2666
Max # of Memory Channels
 2
Max Memory Bandwidth
 41.6 GB/s
ECC Memory Supported ‡
 No
Max Memory Size (dependent on memory type)
 128 GB
Memory Types
 DDR4-2666
Max # of Memory Channels
 2
Max Memory Bandwidth
 41.6 GB/s
ECC Memory Supported ‡
 No
Expansion Options
Scalability
PCI Express Revision
PCI Express Configurations ‡
Max # of PCI Express Lanes
Scalability
 1S Only
PCI Express Revision
 3.0
PCI Express Configurations ‡
 Up to 1x16, 2x8, 1x8+2x4
Max # of PCI Express Lanes
 16
Scalability
 1S Only
PCI Express Revision
 3.0
PCI Express Configurations ‡
 Up to 1x16, 2x8, 1x8+2x4
Max # of PCI Express Lanes
 16
Package Specifications
Sockets Supported
Max CPU Configuration
Thermal Solution Specification
TJUNCTION
Package Size
Sockets Supported
 FCLGA1151
Max CPU Configuration
 1
Thermal Solution Specification
 PCG 2015C (65W)
TJUNCTION
 100°C
Package Size
 37.5mm x 37.5mm
Sockets Supported
 FCLGA1151
Max CPU Configuration
 1
Thermal Solution Specification
 PCG 2015C (65W)
TJUNCTION
 100°C
Package Size
 37.5mm x 37.5mm
Advanced Technologies
Intel® Optane™ Memory Supported ‡
Intel® Turbo Boost Technology ‡
Intel® Hyper-Threading Technology ‡
Intel® Transactional Synchronization Extensions
Intel® 64 ‡
Instruction Set
Instruction Set Extensions
Idle States
Enhanced Intel SpeedStep® Technology
Thermal Monitoring Technologies
Intel® Identity Protection Technology ‡
Intel® Optane™ Memory Supported ‡
 Yes
Intel® Turbo Boost Technology ‡
 2.0
Intel® Hyper-Threading Technology ‡
 No
Intel® Transactional Synchronization Extensions
 No
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
Intel® Identity Protection Technology ‡
 Yes
Intel® Optane™ Memory Supported ‡
 Yes
Intel® Turbo Boost Technology ‡
 2.0
Intel® Hyper-Threading Technology ‡
 No
Intel® Transactional Synchronization Extensions
 No
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
Intel® Identity Protection Technology ‡
 Yes
Security & Reliability
Intel® Secure Key
Intel® AES New Instructions
Intel® Software Guard Extensions (Intel® SGX)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Trusted Execution Technology ‡
Execute Disable Bit ‡
Intel® Boot Guard
Intel® Stable IT Platform Program (SIPP)
Intel® Virtualization Technology (VT-x) ‡
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Intel® VT-x with Extended Page Tables (EPT) ‡
Intel® Secure Key
 Yes
Intel® AES New Instructions
 Yes
Intel® Software Guard Extensions (Intel® SGX)
 Yes with Intel® ME
Intel® Memory Protection Extensions (Intel® MPX)
 Yes
Intel® OS Guard
 Yes
Intel® Trusted Execution Technology ‡
 No
Execute Disable Bit ‡
 Yes
Intel® Boot Guard
 Yes
Intel® Stable IT Platform Program (SIPP)
 No
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
Intel® Secure Key
 Yes
Intel® AES New Instructions
 Yes
Intel® Software Guard Extensions (Intel® SGX)
 Yes with Intel® ME
Intel® Memory Protection Extensions (Intel® MPX)
 Yes
Intel® OS Guard
 Yes
Intel® Trusted Execution Technology ‡
 No
Execute Disable Bit ‡
 Yes
Intel® Boot Guard
 Yes
Intel® Stable IT Platform Program (SIPP)
 No
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
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