Home / Intel Core i5 / Intel Core i5-12400: Performance and Specs

Intel Core i5-12400

Intel Core i5-12400: A Comprehensive Review of the 2025 Processor

March 2025

Key Features: Alder Lake in Action

The Intel Core i5-12400 processor, released in late 2021, remains relevant in 2025 due to its successful combination of price and performance.

Architecture and Process Technology

- Alder Lake — a hybrid architecture divided into Performance-cores (P-cores) and Efficient-cores (E-cores). However, the i5-12400 utilizes only 6 P-cores (12 threads), simplifying the structure and reducing costs.

- Intel 7 (10 nm Enhanced SuperFin) — a process technology that ensures high energy efficiency.

- Frequencies: Base — 2.5 GHz, maximum in turbo mode — 4.4 GHz.

Performance

- Geekbench 6: 2170 (Single-Core), 8817 (Multi-Core). In comparison, this is 15% higher than the Ryzen 5 5600X in single-threaded tasks.

- Cache: 18 MB L3 — sufficient for caching data in games and work applications.

Key Features

- Support for PCIe 5.0 (up to 16 lanes) — relevant for next-gen SSDs and graphics cards.

- Intel UHD Graphics 730 — integrated graphics for office tasks and emergency situations (e.g., in case of discrete graphics card failure).

Compatible Motherboards: Sockets and Chipsets

LGA 1700 Socket — a universal platform for 12th and 13th generation Intel processors.

Recommended Chipsets

1. H610 (from $70): Budget option without overclocking and PCIe 5.0. Suitable for office PCs.

2. B660 (from $110): Optimal choice for i5-12400. Includes PCIe 5.0 for graphics cards, supporting both DDR4/DDR5.

3. H670 (from $140): More PCIe lanes and USB ports. For upgrade-oriented builds.

4. Z690 (from $180): Excessive for i5-12400, but relevant if planning to upgrade to Core i7/i9.

Examples of Motherboards

- MSI Pro B660M-A ($120): Best price/performance ratio, stable operation with DDR4.

- ASUS TUF Gaming H670-Pro ($160): Enhanced power and cooling system.

Memory: DDR4 vs DDR5

The processor supports both types of memory, but the choice depends on the motherboard:

- DDR4-3200: Budget option. 32 GB (2x16 GB) will cost $80–100. Suitable for gaming and most tasks.

- DDR5-4800: More expensive (32 GB — $120–150), but provides a 5-10% increase in bandwidth-sensitive applications (e.g., rendering in Blender).

Tip: For gaming with a graphics card like the NVIDIA RTX 4060, the difference between DDR4 and DDR5 is nearly negligible. DDR5 makes sense in workstations.

Power Supply: Power Calculation

With a TDP of 65 watts, the processor has a modest impact on power consumption. Recommendations:

- Without a discrete graphics card: A PSU of 300–400 watts (e.g., be quiet! Pure Power 11 400W, $55).

- With a graphics card (NVIDIA RTX 4070 or AMD RX 7700 XT): A PSU of 600–650 watts (Corsair RM650x, $100).

- 80 Plus Bronze/Gold certification is essential for stability.

Pros and Cons

Pros:

- Price: $160–180 (new) vs. $220–250 for Ryzen 5 7600X.

- Energy efficiency: Consumes up to 40% less power than the i5-12600K.

- PCIe 5.0: Support for future SSDs and graphics cards.

Cons:

- No overclocking — the multiplier is locked.

- UHD 730 is weaker than AMD Vega 7 in Ryzen 5 5600G.

Use Cases

1. Gaming: In conjunction with RTX 4060 Ti, it provides 60+ FPS in Cyberpunk 2077 (1080p, Ultra).

2. Work Tasks: Quick rendering in Premiere Pro (4K projects), code compilation.

3. Multimedia: Streaming in OBS without lag thanks to 12 threads.

Real User Experience: Users note that the processor efficiently handles 10+ Chrome tabs, Discord, and gaming simultaneously.

Comparison with Competitors

1. AMD Ryzen 5 5600X ($150): Lacks in single-threaded performance (Geekbench 6 SC: 1980) but is cheaper.

2. AMD Ryzen 5 7600X ($220): Stronger in multi-threaded tasks (Geekbench 6 MC: 10500) but requires expensive AM5 motherboards and DDR5.

Conclusion: The i5-12400 surpasses the Ryzen 5 5600X in 2025 but falls short against the Ryzen 5 7600X in heavy work tasks.

Practical Assembly Tips

1. Cooling: The stock cooler is sufficient, but for quieter operation, consider the DeepCool AK400 ($35).

2. Case: Choose models with ventilation (NZXT H510 Flow, $80).

3. Example Build:

- Motherboard: Gigabyte B660 DS3H ($110).

- Memory: Kingston Fury DDR4-3200 32 GB ($90).

- Graphics Card: NVIDIA RTX 4060 ($300).

- Total Price: ~$800 excluding SSD and PSU.

Final Conclusion: Who Should Consider the i5-12400?

This processor is an ideal choice for:

- Gamers looking to save on the CPU to invest more in the graphics card.

- Office users — operates quietly and coolly even under load.

- Upgrade enthusiasts: The LGA 1700 platform allows for an upgrade to i7-13700K without replacing the motherboard.

Why in 2025? The price has dropped to $160–180, and its performance is sufficient for all current tasks. If maximum FPS in 4K or 8K video rendering is not required, it's the optimal choice.

Basic

Label Name

Intel

Platform

Desktop

Launch Date

January 2022

Model Name

The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.

i5-12400

Code Name

Alder Lake

CPU Specifications

Total Cores

Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).

Total Threads

Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.

Performance-cores

Max Turbo Frequency

Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.

4.40 GHz

Performance-core Base Frequency

2.50 GHz

Performance-core Max Turbo Frequency

Maximum P-core turbo frequency derived from Intel® Turbo Boost Technology.

4.40 GHz

Intel Turbo Boost Technology

Intel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t.

2.0

Intel Hyper-Threading Technology

Intel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.

Yes

Intel Turbo Boost Max Technology 3.0

Intel® Turbo Boost Max Technology 3.0 identifies the best performing core(s) on a processor and provides increased performance on those cores through increasing frequency as needed by taking advantage of power and thermal headroom.

L3 Cache

18 MB

CPU Socket

The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.

FCLGA1700

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

TDP

65 W

Processor Base Power

The time-averaged power dissipation that the processor is validated to not exceed during manufacturing while executing an Intel-specified high complexity workload at Base Frequency and at the junction temperature as specified in the Datasheet for the SKU segment and configuration.

65 W

Maximum Turbo Power

The maximum sustained (>1s) power dissipation of the processor as limited by current and/or temperature controls. Instantaneous power may exceed Maximum Turbo Power for short durations (<=10ms). Note: Maximum Turbo Power is configurable by system vendor and can be system specific.

117 W

Max. Operating Temperature

Junction Temperature is the maximum temperature allowed at the processor die.

100°C

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

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.

Intel 64

Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.

Yes

Instruction Set

The instruction set is a hard program stored inside the CPU that guides and optimizes CPU operations. With these instruction sets, the CPU can run more efficiently. There are many manufacturers that design CPUs, which results in different instruction sets, such as the 8086 instruction set for the Intel camp and the RISC instruction set for the ARM camp. x86, ARM v8, and MIPS are all codes for instruction sets. Instruction sets can be extended; for example, x86 added 64-bit support to create x86-64. Manufacturers developing CPUs that are compatible with a certain instruction set need authorization from the instruction set patent holder. A typical example is Intel authorizing AMD, enabling the latter to develop CPUs compatible with the x86 instruction set.

64-bit

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

Memory Type

Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.

Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s

Max Memory Size

Max memory size refers to the maximum memory capacity supported by the processor.

128 GB

Memory Channels

The number of memory channels refers to the bandwidth operation for real world application.

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

GPU Specifications

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 730

Graphics Base Frequency

Graphics Base frequency refers to the rated/guaranteed graphics render clock frequency in MHz.

300 MHz

Graphics Frequency

Graphics max dynamic frequency refers to the maximum opportunistic graphics render clock frequency (in MHz) that can be supported using Intel® HD Graphics with Dynamic Frequency feature.

1.45 GHz

DirectX Support

DirectX* Support indicates support for a specific version of Microsoft’s collection of APIs (Application Programming Interfaces) for handling multimedia compute tasks.

Execution Units

The Execution Unit is the foundational building block of Intel’s graphics architecture. Execution Units are compute processors optimized for simultaneous Multi-Threading for high throughput compute power.

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

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

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

Number of Displays Supported

Graphics Output

Graphics Output defines the interfaces available to communicate with display devices.

eDP 1.4b | DP 1.4a | HDMI 2.1

Miscellaneous

Intel Deep Learning Boost (Intel DL Boost) on CPU

A new set of embedded processor technologies designed to accelerate AI deep learning use cases. It extends Intel AVX-512 with a new Vector Neural Network Instruction (VNNI) that significantly increases deep learning inference performance over previous generations.

Yes

Intel Virtualization Technology (VT-x)

Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.

Yes

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

Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.

Yes

Intel Standard Manageability (ISM)

Intel® Standard Manageability is the manageability solution for Intel vPro® Essentials platforms and is a subset of Intel® AMT with out-of-band management over Ethernet and Wi-Fi, but no KVM or new life cycle management features.

Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2

Enhanced Intel SpeedStep Technology

Enhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.

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

Cache

CPU Cache is an area of fast memory located on the processor. Intel® Smart Cache refers to the architecture that allows all cores to dynamically share access to the last level cache.

18 MB Intel® Smart Cache

Intel AES New Instructions

Intel® AES New Instructions (Intel® AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, authentication, random number generation, and authenticated encryption.

Yes

Intel Volume Management Device (VMD)

Intel® Volume Management Device (VMD) provides a common, robust method of hot plug and LED management for NVMe-based solid state drives.

Yes

Intel Boot Guard

Intel® Device Protection Technology with Boot Guard helps protect the system’s pre-OS environment from viruses and malicious software attacks.

Yes

Intel Clear Video HD Technology

Intel® Clear Video HD Technology, like its predecessor, Intel® Clear Video Technology, is a suite of image decode and processing technologies built into the integrated processor graphics that improve video playback, delivering cleaner, sharper images, more natural, accurate, and vivid colors, and a clear and stable video picture. Intel® Clear Video HD Technology adds video quality enhancements for richer color and more realistic skin tones.

Yes

Intel VT-x with Extended Page Tables (EPT)

Intel® VT-x with Extended Page Tables (EPT), also known as Second Level Address Translation (SLAT), provides acceleration for memory intensive virtualized applications. Extended Page Tables in Intel® Virtualization Technology platforms reduces the memory and power overhead costs and increases battery life through hardware optimization of page table management.

Yes

Intel Control-Flow Enforcement Technology

CET - Intel Control-flow Enforcement Technology (CET) helps protect against the misuse of legitimate code snippets through return-oriented programming (ROP) control-flow hijacking attacks.

Yes

Intel OS Guard

Yes

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

OpenCL Support

OpenCL (Open Computing Language) is a multi-platform API (Application Programming Interface) for heterogeneous parallel programming.

3.0

Intel Quick Sync Video

Intel® Quick Sync Video delivers fast conversion of video for portable media players, online sharing, and video editing and authoring.

Yes