In addition to discussing the number of cores in the 12400, this article will discuss recommendations for compatible motherboards, CPU coolers, and memory.
Intel Core i5-12400
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How Many Cores Do 12400 CPUs Have?
Intel's Core i5-12400 CPUs have 6 Performance (P) cores and 0 Efficiency (E) cores for a total of 6 cores.
The P cores are comparable to previous generation cores. They support Hyper-Threading, which means they provide two threads each.
E cores are focused on adding additional threads in an energy-efficient manner. They take up much less room on the CPU and generate less heat. However, their smaller cache and minimal interconnect capabilities make them more appropriate for offloading background tasks.
The Intel Thread Director handles scheduling between the types of cores. Running a game will primarily use P cores. At the same time, the Intel Thread Director may offload operating system tasks and low priority periodic events to E cores.
Check out our Recommended Motherboards for the 12th Gen 12400
below.
Which Operating Systems Can Make Optimal Use of the E Cores?
The Intel Thread Director is used to help operating systems determine onto which cores to schedule work.
At least Windows 11 or Linux kernel 5.18 are required to make optimal use of the Intel Thread Director.
Linux support for the Intel Thread Director is included in version 5.18 of the kernel. Some improvements have been backported to earlier releases. Ubuntu 22.04 users can get backported performance improvements in the 5.15.35 kernel.
How Many Threads Does the 12400 Have?
Hyper-Threading is only available on Performance cores. One thread for each of the 0 Efficiency cores plus two threads for each of the 6 Performance cores results in a total of 12 threads.
At What Frequency Does the 12400 Run?
Prior to Intel's 12th generation of processors, CPUs had a single base frequency and max turbo frequency. With Intel's 12th and 13th generation processors, the Efficiency and Performance cores use two individual sets of frequency values.
The 6 Performance cores have a 2.50 GHz base frequency and support a 4.40 GHz max turbo frequency.
What Does the Lack of a Suffix in the 12400 Name Mean?
| N | "N" means it's a bespoke CPU for a company such as Apple. |
The 12400 model name doesn't have an F suffix. Non-F CPUs contain integrated graphics, and a separate graphics card isn't required if your motherboard includes video-output connectors (e.g., HDMI).
The 12400 model name doesn't have a K suffix. Non-K CPUs can not be overclocked.
CPU Cooling for the 12400
A CPU cooler's TDP (Thermal Design Power) rating indicates how much heat it can dissipate in watts. If the cooler can't keep your CPU cool enough, your CPU may throttle (slow down), and your cooler will constantly run at full speed.
Intel CPU specifications indicate this power dissipation number as "Processor Base Power" and "Maximum Turbo Power."
The Core i5-12400 has a base TDP of 65 watts and a max turbo TDP of 117 watts.
A CPU cooler can still work with a lower TDP rating than the TDP of a CPU. However, the CPU will eventually throttle itself to a lower frequency to allow itself to cool.
The CPU may not achieve or maintain maximum turbo speeds without adequate cooling.
Learn more in Choosing the Best CPU Cooler for Intel's Core i5-12400.
The distance between heatsink screw holes for the LGA 1700 socket increased to 78x78 mm from the 75x75 mm spacing typical of recent sockets. This new spacing means you'll need a new cooler/
Intel Core i5-12400
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Motherboard Requirements for Core i5-12400 Processors
For Intel's 12th generation Core i5 12400 processor, you'll need a motherboard with an LGA 1700 socket and a compatible 700-series or 600-series chipset. However, 600-series chipsets were designed for the 12th generations Core processors and may limit the capabilities of your system.
Motherboards for Intel processors are made with chipsets provided by Intel. Each chipset offers a unique set of capabilities. However, motherboards must explicitly support features and capabilities for you to use them. Verify that a motherboard supports the features and capabilities you desire.
The lack of a "K" suffix in the model name 12400 means it doesn't support overclocking. Because of this, you may not need to use the top of the line Z690-based or Z790-based motherboards that typically support overclocking. Instead, you can use a motherboard with Intel's other 700-series or 600-series desktop chipsets (e.g., H770, B760, H670, B660, H610).
The W680 and Q670 chipsets are intended for workstation and business use cases; their availability in stand-alone motherboards is limited.
For a detailed comparison of these chipsets, check out my article Which Chipsets Work With Intel's Core i5-12400 CPU?.
Find Z790 Chipset Motherboards on Amazon (affiliate link).
Find H770 Chipset Motherboards on Amazon (affiliate link).
Find B760 Chipset Motherboards on Amazon (affiliate link).
Find Z690 Chipset Motherboards on Amazon (affiliate link).
Find H670 Chipset Motherboards on Amazon (affiliate link).
Find B660 Chipset Motherboards on Amazon (affiliate link).
Find H610 Chipset Motherboards on Amazon (affiliate link).
Recommended Motherboards for the 12th Gen 12400
DDR5 Motherboard: Gigabyte Z690 AORUS Master
- Our recommended DDR5 motherboard to pair with the Core i5-12400 is Gigabyte's Z690 AORUS Master:
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- PCIe 5.0 support
- It supports up to 128 GB of DDR5 memory (DDR5 provides the fastest memory speeds)!
- 10 Gbps Ethernet port is faster than any home Internet speed available with tons of room to spare for file transfers.
- Wi-Fi 6E makes it easy to reach the fastest speeds and future-proof your Wi-Fi system.
- Bluetooth 5.2 is great for streaming music to Bluetooth headphones.
- Four x4 NVMe M.2 slots, which is fantastic! Three of these run at PCIe 4.0 speeds, and one at PCIe 3.0 speeds.
- USB 3.2 Gen 2x2 offers 20 Gbps USB speeds!
- Check the latest price of the GIGABYTE Z690 AORUS Master on Amazon (affiliate link).
DDR4 Motherboard: Gigabyte Z690 AORUS Elite AX DDR4
- Our recommended DDR4 motherboard to pair with the Core i5-12400 is Gigabyte's Z690 AORUS Elite AX DDR4:
GIGABYTE Z690 AORUS Elite AX DDR4 Check Price on Amazon Amazon Affiliate Link
- PCIe 5.0 support
- It supports up to 128 GB of DDR4 memory!
- 2.5 Gb Ethernet port is faster than most home Internet speeds with room to spare for file transfers.
- Wi-Fi 6
- Bluetooth 5.2 is great for streaming music to Bluetooth headphones.
- Four x4 NVMe M.2 slots, which is fantastic! All four of these run at PCIe 4.0 speeds.
- USB 3.2 Gen 2x2 offers 20 Gbps USB speeds!
- Check the latest price of the GIGABYTE Z690 AORUS Elite AX DDR4 on Amazon (affiliate link).
Recommended LGA 1700 Coolers
Locked Intel CPUs may come with a stock CPU cooler. These CPU models do not have a "K" in the name. While stock coolers will prevent your CPU from overheating, your CPU will throttle its performance during games and other intensive tasks. Higher TDP coolers will keep your CPU at turbo speeds for longer durations. Stock coolers are often quite loud at their maximum speed.
The LGA 1700 socket will require a CPU cooler that supports the new socket size. Some manufacturers are releasing upgrade kits for LGA 1200 heatsinks to support the new size.
Best AIO Liquid Cooler: Enermax Liqmax III 360
- This Enermax liquid cooler has an excellent cooling capability with a 360-watt TDP (Thermal Design Power).
- Supports a variety of CPU sockets, including Intel LGA 2066, 2011-3, 2011, 1700, 1200, 1366, 1156, 1155, 1151, 1150 and AMD AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1.
- Quiet operation at 14-27 dBA.
- You can get the LGA 1700 Enermax Mounting Kit for LIQMAX III on Amazon (affiliate link) or request a free LGA 1700 mounting kit via the LGA 1700 Mounting Kit Request Form.
- Make sure your computer case dimensions support this, as it will take up a decent amount of space!
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Best Dual-Fan Air CPU Cooler: Noctua NH-D15
- Dual 140 mm fans provide 220-watt TDP (183 NSPR) of cooling capability.
- Supports a variety of CPU sockets, including Intel LGA 1700, 1200, 1156, 1155, 1151, 1150, 2011, 2066 and AMD AM4, AM3, AM3+, AM2, AM2+, FM2, FM2+.
- Quiet operation at 24.6 dBA.
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Runner-Up - Dual-Fan Air CPU Cooler: Thermaltake TOUGHAIR 510
- This CPU cooler doesn't have any fancy LED lights, but the dual 120 mm fans do a great job of cooling LGA 1700 CPUs.
- Suppose you think this cooler will take up too much space. In that case, Thermaltake has a few single-fan TOUGHAIR variants which use different orientations.
- This CPU cooler has a 2000 RPM max speed for optimal cooling.
- 180-watt TDP (Thermal Design Power).
Thermaltake TOUGHAIR 510 Check Price on Amazon Amazon Affiliate Link
Our Recommended RAM
Before purchasing memory, review your motherboard specification to verify which speeds are supported. For example, if a DDR4 motherboard stated that it supports "DDR4 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200 / 3000," that would mean that it could support DDR4-3400, DDR4-3333, and DDR4-3300 with memory overclocking, and DDR4-3200 and DDR4-3000 at stock speeds. Motherboard specifications also indicate the maximum capacity per stick of RAM (DIMM) and across all slots.
Best Stock-Speed DDR5 RAM for 12400: Corsair Vengeance 4800 MHz
The Corsair Vengeance (4800 MHz version) DDR5 RAM is a highly dependable option for users seeking a balanced performance upgrade to pair with their Intel Core i5 12400 CPU. With a 32 GB capacity in a 2-module kit, this RAM offers sufficient memory for intensive tasks like gaming, content creation, and video editing.
Find the Corsair Vengeance DDR5 4800 MHz RAM on Amazon (affiliate link).
This RAM boasts a clock speed of 4800 MHz and a latency of 17 ns (40-40-40-77 timings), enabling the Corsair Vengeance DDR5 RAM to deliver swift and efficient performance. The DDR5 iteration of this RAM has made significant strides compared to its predecessors, boasting faster speeds and reduced latency compared to previous generations, which positions it as one of the most cutting-edge memory modules available. It is well-suited for demanding tasks that necessitate speedy data processing.
The Corsair Vengeance DDR5 RAM is a valuable addition to any value gaming rig or workstation, perfectly complementing the Intel Core i5 12400 CPU. The modest voltage of 1.10 volts ensures that this RAM is energy-conscious and doesn't consume excessive power. The top-notch aluminum heatsinks offer superb thermal management and bestow the modules with a sleek and premium appearance while avoiding conflict with a CPU cooler. Furthermore, the Intel XMP 3.0 profile guarantees that the RAM is fine-tuned for Intel processors, delivering users a smooth and dependable experience.
The only downside to this RAM is that it has a lower clock speed, which is intentional since it's meant for people who want stock-speed DDR5 RAM without the desire to overclock.
Read the full overview of the Corsair Vengeance 32 GB DDR5-4800 CL40 RAM.
Best Overclocking DDR5 RAM for 12400: G.Skill RipJaws S5 5200 MHz
The G.Skill RipJaws S5 (5200 MHz version) DDR5 RAM stands out as a superb option for users to pair with their Intel Core i5 12400 CPU and those who want the ability to overclock their RAM to higher speeds. This 32 GB kit, comprising two 16 GB modules, offers great memory capacity, making it perfect for intensive applications such as gaming, content creation, and video editing.
Find the G.Skill RipJaws S5 DDR5 5200 MHz RAM on Amazon (affiliate link).
Sporting an impressive clock speed of 5200 MHz and a latency of 11 ns (28-34-34-83 timings), the G.Skill RipJaws S5 DDR5 RAM delivers outstanding performance at breakneck speeds. It is well-suited for tasks that necessitate rapid data processing. The DDR5 iteration of this RAM has made significant strides compared to its predecessors, boasting faster speeds and reduced latency compared to previous generations, which positions it as one of the most cutting-edge memory modules available.
The G.Skill RipJaws S5 DDR5 RAM is essential to any high-performance gaming rig or workstation, working well with the Intel Core i5 12400 CPU. Its voltage of 1.35 volts is around average for most RAM. The premium aluminum heatsinks provide excellent thermal management and lend the modules a sophisticated and luxurious appearance. Furthermore, the Intel XMP 3.0 profile guarantees that the RAM is fine-tuned for Intel processors, delivering users a smooth and dependable experience.
The only downside to this RAM is that it's a little costly due to it being a higher clock speed DDR5 kit compared to the stock-speed version, but it's worth it for the speed boost.
Read the full overview of the G.Skill RipJaws S5 32 GB DDR5-5200 CL28 RAM.
Best Stock-Speed DDR4 RAM for 12400: Corsair Vengeance LPX 3200 MHz
The Corsair Vengeance LPX DDR4 RAM (3200 MHz variant) is a reliable choice for users looking to achieve a harmonious performance boost when paired with their Intel Core i5 12400 CPU. This 2-module kit offers a 32 GB capacity, providing ample memory for demanding tasks such as gaming, content creation, and video editing.
Find the Corsair Vengeance LPX DDR4 3200 MHz RAM on Amazon (affiliate link).
Featuring a clock speed of 3200 MHz and a 10 ns latency (16-20-20-38 timings), the Corsair Vengeance LPX DDR4 RAM ensures rapid and effective performance. However, it is worth noting that DDR4 technology is less cutting-edge than DDR5 and may deliver a different caliber of performance in certain situations. While DDR4 has made strides compared to its predecessors, it is less speedy and efficient than the most recent DDR5 iterations.
The Corsair Vengeance LPX DDR4 RAM is valuable for any budget-conscious gaming rig or workstation, harmonizing well with the Intel Core i5 12400 CPU. Its voltage of 1.35 volts is around average for most DDR4 RAM. The high-quality aluminum heatsinks provide excellent thermal management and endow the modules with a sleek, premium appearance that doesn't interfere with CPU coolers. The Intel XMP 2.0 profile also ensures that the RAM is optimally configured for Intel processors, offering users a stable and reliable experience.
The primary drawback of this RAM is its lower clock speed, which is by design as it caters to individuals who prefer stock-speed RAM without the need for overclocking and opt for DDR4 over DDR5.
Read the full overview of the Corsair Vengeance LPX 32 GB DDR4-3200 CL16 RAM.
Best Overclocking DDR4 RAM for 12400: Corsair Vengeance LPX 3600 MHz
The Corsair Vengeance LPX (3600 MHz version) DDR4 RAM is a highly dependable option for users seeking a balanced performance upgrade to pair with their Intel Core i5 12400 CPU and those who want the ability to overclock their RAM to higher speeds. With a 32 GB capacity in a 2-module kit, this RAM offers sufficient memory for intensive tasks like gaming, content creation, and video editing.
Find the Corsair Vengeance LPX DDR4 3600 MHz RAM on Amazon (affiliate link).
This RAM boasts a clock speed of 3600 MHz and a latency of 10 ns (18-22-22-42 timings), enabling the Corsair Vengeance LPX DDR4 RAM to deliver swift and efficient performance. With that said, DDR4 is not as advanced as DDR5 RAM and does not offer the same level of performance in some instances. While DDR4 has improved performance compared to older versions, it is not as fast or efficient as the latest iterations of DDR5 RAM.
The Corsair Vengeance LPX DDR4 RAM is a valuable addition to any value gaming rig or workstation, complementing the Intel Core i5 12400 CPU. Its voltage of 1.35 volts is around average for most DDR4 RAM. The top-notch aluminum heatsinks offer superb thermal management and bestow the modules with a sleek and premium appearance while avoiding conflict with a CPU cooler. Furthermore, the Intel XMP 2.0 profile guarantees that the RAM is fine-tuned for Intel processors, delivering users a smooth and dependable experience.
The only downside to this RAM is that it has a lower clock speed than DDR5, which is intentional since it's meant for people who want the less expensive DDR4 RAM.
Read the full overview of the Corsair Vengeance LPX 32 GB DDR4-3600 CL18 RAM.
Intel Core i5-12400
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Learn More About the Intel Core i5-12400
- Which Chipsets Work With Intel's Core i5-12400 CPU?
- Choosing the Best CPU Cooler for Intel's Core i5-12400
- Choosing the Best Power Supply for Intel's Core i5-12400
- Is the Core i5-12400 CPU Good for Gaming?
- Best RAM for the Intel Core i5-12400 CPU
- Choosing the Best Motherboard for Intel's Core i5-12400
- How Many Cores Do Intel Core i5-12400 CPUs Have?
- What Is the TDP of the Core i5-12400 CPU?
You can find detailed 12400 specifications on Intel's site.
Other Considerations When Building a PC
Want to brush up on other new technologies to consider when building a computer? Check out these articles:
- Cases:
- CPUs:
- The Best CPUs for Gaming
- Which Intel and AMD CPUs Support PCIe 5.0?
- Which Intel and AMD CPUs Support PCIe 4.0?
- LGA 1700 CPU List
- LGA 1200 CPU List
- Look up an Intel or AMD CPU on TechReviewer for related recommendations:
- The Best CPUs for Gaming
- CPU Coolers:
- Storage:
- Memory:
- PCI-Express:
- Motherboards:
- Graphics Cards:
- Power Supplies:
- Keyboards:
- Monitors:
A Note From the Authors
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