Intel Core i5-12400F vs Intel Core i5-9400F

Essentials

Intel Core i5-12400F	Intel Core i5-9400F
Product Collection
12th Generation Intel® Core™ i5 Processors	9th Generation Intel® Core™ i5 Processors
Code Name
Products formerly Alder Lake	Products formerly Coffee Lake
Vertical Segment
Desktop	Desktop
Processor Number
i5-12400F	i5-9400F
Lithography
Intel 7	14 nm
Use Conditions
PC/Client/Tablet	PC/Client/Tablet

Intel Core i5-12400F	Intel Core i5-9400F
Total Cores
6	6
# of Performance-cores
6	n/a
Total Threads
12	6
Max Turbo Frequency
4.40 GHz	4.10 GHz
Performance-core Max Turbo Frequency
4.40 GHz	n/a
Performance-core Base Frequency
2.50 GHz	n/a
Cache
18 MB Intel® Smart Cache	9 MB Intel® Smart Cache
Total L2 Cache
7.5 MB	n/a
Processor Base Power
65 W	n/a
Maximum Turbo Power
117 W	n/a
Intel® Turbo Boost Technology 2.0 Frequency
n/a	4.10 GHz
Processor Base Frequency
n/a	2.90 GHz
Bus Speed
n/a	8 GT/s
TDP
n/a	65 W

Intel Core i5-12400F	Intel Core i5-9400F
Max Memory Size (dependent on memory type)
128 GB	128 GB
Memory Types
Up to DDR5 4800 MT/s, Up to DDR4 3200 MT/s	DDR4-2666
Max # of Memory Channels
2	2
Max Memory Bandwidth
76.8 GB/s	41.6 GB/s
ECC Memory Supported
n/a	No

Intel Core i5-12400F	Intel Core i5-9400F
Direct Media Interface (DMI) Revision
4.0	n/a
Max # of DMI Lanes
8	n/a
Scalability
1S Only	1S Only
PCI Express Revision
5.0 and 4.0	3.0
PCI Express Configurations
Up to 1x16+4, 2x8+4	Up to 1x16, 2x8, 1x8+2x4
Max # of PCI Express Lanes
20	16

Intel Core i5-12400F	Intel Core i5-9400F
Sockets Supported
FCLGA1700	FCLGA1151
Max CPU Configuration
1	1
Thermal Solution Specification
PCG 2020C	PCG 2015C (65W)
T_JUNCTION
100°C	100°C
Package Size
45.0 mm x 37.5 mm	37.5mm x 37.5mm

Intel Core i5-12400F	Intel Core i5-9400F
Intel® Gaussian & Neural Accelerator
3.0	n/a
Intel® Thread Director
No	n/a
Intel® Deep Learning Boost (Intel® DL Boost)
Yes	n/a
Intel® Optane™ Memory Supported
Yes	Yes
Intel® Speed Shift Technology
Yes	n/a
Intel® Turbo Boost Max Technology 3.0
No	n/a
Intel® Turbo Boost Technology
2.0	2.0
Intel® Hyper-Threading Technology
Yes	No
Intel® 64
Yes	Yes
Instruction Set
64-bit	64-bit
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Idle States
Yes	Yes
Enhanced Intel SpeedStep® Technology
Yes	Yes
Thermal Monitoring Technologies
Yes	Yes
Intel® Volume Management Device (VMD)
Yes	n/a
Intel® Transactional Synchronization Extensions
n/a	No
Intel® Identity Protection Technology
n/a	Yes

Intel Core i5-12400F	Intel Core i5-9400F
Intel® Standard Manageability (ISM)
Yes	n/a
Intel® Control-Flow Enforcement Technology
Yes	n/a
Intel® AES New Instructions
Yes	Yes
Secure Key
Yes	Yes
Intel® OS Guard
Yes	Yes
Execute Disable Bit
Yes	Yes
Intel® Boot Guard
Yes	Yes
Mode-based Execute Control (MBEC)
Yes	n/a
Intel® Virtualization Technology (VT-x)
Yes	Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Yes	Yes
Intel® VT-x with Extended Page Tables (EPT)
Yes	Yes
Intel® Software Guard Extensions (Intel® SGX)
n/a	Yes with Intel® ME
Intel® Memory Protection Extensions (Intel® MPX)
n/a	Yes
Intel® Trusted Execution Technology
n/a	No
Intel® Stable IT Platform Program (SIPP)
n/a	No