Intel Core i5-12400
vs
Intel Core i9-12900K

vs

CPU Comparison Result

Below are the results of a comparison of Intel Core i5-12400 and Intel Core i9-12900K processors based on key performance characteristics, as well as power consumption and much more.

Advantages

  • Newer Launch Date: January 2022 (January 2022 vs November 2021)
  • More Total Cores: 16 (6 vs 16)
  • Higher Max Turbo Frequency: 5.20 GHz (4.40 GHz vs 5.20 GHz)
  • Higher Performance-core Max Turbo Frequency: 5.10 GHz (4.40 GHz vs 5.10 GHz)
  • Larger L3 Cache: 30 MB (18 MB vs 30 MB)

Basic

Intel
Label Name
Intel
January 2022
Launch Date
November 2021
Desktop
Platform
Desktop
i5-12400
Model Name
i9-12900K
Alder Lake
Code Name
Alder Lake

CPU Specifications

6
Total Cores
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
16
12
Total Threads
24
6
Performance-cores
8
-
Efficient-cores
8
Yes
Intel Virtualization Technology (VT-x)
Yes
Yes
Intel Virtualization Technology for Directed I/O (VT-d)
Yes
4.40 GHz
Max Turbo Frequency
5.20 GHz
2.50 GHz
Performance-core Base Frequency
3.20 GHz
-
Efficient-core Base Frequency
2.40 GHz
-
Efficient-core Max Turbo Frequency
3.90 GHz
4.40 GHz
Performance-core Max Turbo Frequency
5.10 GHz
Yes
Enhanced Intel SpeedStep Technology
Yes
Yes
Intel Hyper-Threading Technology
Yes
No
Intel Turbo Boost Max Technology 3.0
Yes
-
Intel Turbo Boost Max Technology 3.0 Frequency
5.20 GHz
2.0
Intel Turbo Boost Technology
2.0
18 MB
L3 Cache
30 MB
18 MB Intel® Smart Cache
Cache
30 MB Intel® Smart Cache
FCLGA1700
CPU Socket
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
FCLGA1700
Yes
Intel AES New Instructions
Yes
Intel 7
Technology
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
Intel 7
65 W
TDP
125 W
65 W
Processor Base Power
125 W
117 W
Maximum Turbo Power
241 W
100°C
Max. Operating Temperature
Junction Temperature is the maximum temperature allowed at the processor die.
100°C
5.0 and 4.0
PCI Express Version
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
5.0 and 4.0
20
Max Number of PCI Express Lanes
A PCI Express (PCIe) lane consists of two differential signaling pairs, one for receiving data, one for transmitting data, and is the basic unit of the PCIe bus. Max # of PCI Express Lanes is the total number of supported lanes.
20
64-bit
Instruction Set
An instruction set architecture (ISA) defines the instructions a processor can execute. Common architectures include x86-64, ARM and RISC-V. The ISA determines software compatibility, while optional instruction extensions add specialized capabilities.
64-bit
Yes
Intel 64
Yes
Yes
Intel VT-x with Extended Page Tables (EPT)
Yes
Up to 1x16+4 | 2x8+4
PCI Express Configurations
PCI Express (PCIe) Configurations describe the available PCIe lane configurations that can be used to link to PCIe devices.
Up to 1x16+4 | 2x8+4

Memory Specifications

Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
Memory Type
Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
128 GB
Max Memory Size
Max memory size refers to the maximum memory capacity supported by the processor.
128 GB
2
Memory Channels
The number of memory channels refers to the bandwidth operation for real world application.
2
76.8 GB/s
Max Memory Bandwidth
Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).
76.8 GB/s
-
ECC Memory Support
ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.
Yes

GPU Specifications

Intel® UHD Graphics 730
Integrated Graphics Model
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
Intel® UHD Graphics 770
300 MHz
Graphics Base Frequency
Graphics Base frequency refers to the rated/guaranteed graphics render clock frequency in MHz.
300 MHz
1.45 GHz
Graphics Frequency
1.55 GHz
12
DirectX Support
DirectX* Support indicates support for a specific version of Microsoft’s collection of APIs (Application Programming Interfaces) for handling multimedia compute tasks.
12
24
Execution Units
32
7680 x 4320 @ 60Hz
Max Resolution (DP)
Max Resolution (DP) is the maximum resolution supported by the processor via the DP interface (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your system.
7680 x 4320 @ 60Hz
5120 x 3200 @ 120Hz
Max Resolution (eDP - Integrated Flat Panel)
Max Resolution (Integrated Flat Panel) is the maximum resolution supported by the processor for a device with an integrated flat panel (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your device.
5120 x 3200 @ 120Hz
4096 x 2160 @ 60Hz
Max Resolution (HDMI)
Max Resolution (HDMI) is the maximum resolution supported by the processor via the HDMI interface (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your system.
4096 x 2160 @ 60Hz
4
Number of Displays Supported
4
eDP 1.4b | DP 1.4a | HDMI 2.1
Graphics Output
Graphics Output defines the interfaces available to communicate with display devices.
eDP 1.4b | DP 1.4a | HDMI 2.1
Yes
Intel Clear Video HD Technology
Yes
4.5
OpenGL Support
OpenGL (Open Graphics Library) is a cross-language, multi-platform API (Application Programming Interface) for rendering 2D and 3D vector graphics.
4.5
3.0
OpenCL Support
OpenCL (Open Computing Language) is a multi-platform API (Application Programming Interface) for heterogeneous parallel programming.
3.0
Yes
Intel Quick Sync Video
Yes

AI Specifications

3.0
Intel Gaussian Neural Accelerator
3.0
Yes
Intel Deep Learning Boost (Intel DL Boost) on CPU
Yes

Interfaces and Ports

Yes
Intel Volume Management Device (VMD)
Yes

Miscellaneous

Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2
Intel Standard Manageability (ISM)
Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2
Yes
Execute Disable Bit
Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.
Yes
-
Intel Active Management Technology (AMT)
Yes
Yes
Intel Boot Guard
Yes
-
Intel Hardware Shield Eligibility
Yes
Yes
Intel Control-Flow Enforcement Technology
Yes
Yes
Intel OS Guard
Yes

Benchmarks

Geekbench 6 Single Core
Core i5-12400
2170
Core i9-12900K
2611 +20%
Geekbench 6 Multi Core
Core i5-12400
8817
Core i9-12900K
15434 +75%
Geekbench 5 Single Core
Core i5-12400
1525
Core i9-12900K
2010 +32%
Geekbench 5 Multi Core
Core i5-12400
7415
Core i9-12900K
15795 +113%
Passmark CPU Single Core
Core i5-12400
3531
Core i9-12900K
4173 +18%
Passmark CPU Multi Core
Core i5-12400
19424
Core i9-12900K
41363 +113%
3DMark CPU Profile Single Core
Core i5-12400
914
Core i9-12900K
1076 +18%
3DMark CPU Profile Multi Core
Core i5-12400
5887
Core i9-12900K
11623 +97%