Intel Core i9-14900K socket: LGA 1700
The Intel Core i9-14900K uses the LGA 1700 socket, the same one as every 12th, 13th and 14th Gen Core desktop processor. It fits 600 and 700 series motherboards, with a BIOS update needed on some of them.
- Socket
- LGA 1700
- Launched
- October 17, 2023
- Cores and threads
- 24 and 32
- Base power
- 125 W
- Codename
- Raptor Lake Refresh
- Segment
- Desktop
- Family
- Intel Core i9
- Clocks
- 3.2 / 6.0 GHz
Intel Core i9-14900K specifications
| Cores | 24 (8 Performance-cores and 16 Efficient-cores) |
|---|---|
| Threads | 32 |
| Core architecture | Raptor Cove (P-cores) and Gracemont (E-cores) |
| P-core clocks | 3.2 GHz base, up to 5.6 GHz turbo, 5.8 GHz with Turbo Boost Max 3.0, 6.0 GHz with Thermal Velocity Boost |
| E-core clocks | 2.4 GHz base, up to 4.4 GHz turbo |
| Cache | 36 MB Intel Smart Cache (L3) and 32 MB total L2 |
| Processor base power (TDP) | 125 W |
| Maximum turbo power | 253 W |
| Manufacturing process | Intel 7 |
| Memory support | DDR5 up to 5600 MT/s or DDR4 up to 3200 MT/s, two channels, up to 192 GB |
| PCI Express | 20 lanes from the CPU: PCIe 5.0 x16 (or 2 x8) plus PCIe 4.0 x4 |
| Integrated graphics | Intel UHD Graphics 770 |
| Multiplier | Unlocked (K series) |
| ECC memory | Supported on platforms that enable it |
| Package | FCLGA1700 |
| Launch price | $589 (tray) or $599 (boxed), Intel recommended customer price |
Motherboard and chipset compatibility
Intel Core i9-14900K needs a motherboard with a LGA 1700 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| 700 series | Z790, H770, B760 | Needs a BIOS update Newer boards ship ready, but some early stock needs a BIOS update first. Check the version printed on the box or the maker's CPU support list. |
| 600 series | Z690, H670, B660, H610, Q670, W680 | Needs a BIOS update Update the BIOS before installing a 14th Gen processor. |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for LGA 1700.
Recommended GPU pairing
| Recommended tier | High-end 4K |
|---|---|
| Example GPUs | GeForce RTX 4080 Super, Radeon RX 7900 XTX |
| Target resolution | 4K high settings |
Twenty-four cores with boost to 6.0 GHz, 20 PCIe lanes with PCIe 5.0 graphics and DDR5 or DDR4 feed high-end 4K cards from its era. The RTX 4080 Super from January 2024 and the RX 7900 XTX from December 2022 match that class at 4K high settings.
This is a rough match for a new build at the stated resolution, not a limit. A faster card still works and helps at higher resolutions or in games that load the GPU more than the CPU. A slower card is fine for lighter games and office use. The exact balance shifts with the game, the settings and the resolution, so no percentage is given.
LGA 1700 at a glance
| Type | LGA, 1,700 contacts |
|---|---|
| Package size | 45.0 × 37.5 mm |
| Introduced | November 2021 |
| Memory | DDR4 or DDR5, set by the motherboard (one type per board) |
| Cooler mounting holes | 78 × 78 mm |
What the Core i9-14900K is
The Core i9-14900K is the flagship unlocked model of Intel's 14th Gen desktop line, released in October 2023. Reviewers and Wikipedia call the generation Raptor Lake Refresh, because it reuses the Raptor Lake design of the 13th Gen with slightly higher boost clocks. Intel's own specification pages still label the codename Raptor Lake. It has 24 cores: 8 performance cores that run two threads each and 16 efficient cores that run one thread each, for 32 threads in total.
Clock speeds depend on which core type is working and how hot the chip is. The performance cores start at 3.2 GHz and can boost to 5.6 GHz, and Intel's Turbo Boost Max 3.0 and Thermal Velocity Boost raise the best cores to 5.8 GHz and 6.0 GHz when temperature and power allow. The efficient cores run between 2.4 GHz and 4.4 GHz. The 36 MB L3 cache is shared by all cores, and the L2 caches add up to 32 MB.
The processor includes Intel UHD Graphics 770, so a system can start without a graphics card. Intel also sells the Core i9-14900KF, which is the same processor with the integrated graphics switched off and a list price $25 lower.
Socket and motherboard compatibility
The Core i9-14900K goes into an LGA 1700 socket, which Intel introduced in 2021. Any motherboard with that socket is physically correct, but the chipset and the BIOS decide whether it will actually start. Boards with a 700 series chipset (Z790, H770, B760) are the natural match. Boards with a 600 series chipset (Z690, H670, B660, H610, Q670, W680) can run it too, after a BIOS update.
Intel launched the 14th Gen in October 2023, long after most 600 series boards were built, so the update question is real. A board without the right BIOS will not boot with this processor. The usual fixes are a USB BIOS flashback button or an older LGA 1700 processor borrowed for the update. Look up the board on the maker's CPU support page and note the BIOS version listed next to the 14900K.
Changing the multiplier needs a Z-series board. On B760, H770 and the other non-Z chipsets the processor still runs at its rated speeds, and memory overclocking is available on most of them.
Memory, PCIe and cooling
The memory controller supports both DDR5 and DDR4, but the motherboard decides which one you use. On DDR5 boards the official ceiling is DDR5-5600, and on DDR4 boards it is DDR4-3200. Intel lists support for up to 192 GB across two channels. Faster kits work through XMP profiles.
The CPU provides 20 PCIe lanes in total: an x16 link at PCIe 5.0 for the graphics card, which can also be split into two x8 links, and an x4 link at PCIe 4.0 for an SSD. Further lanes come from the chipset on the board.
This is a hot, power hungry processor. Intel rates the base power at 125 W and the maximum turbo power at 253 W, and the chip can sit near the higher figure during long, heavy workloads. Plan for a large air cooler or a liquid cooler. Whatever you choose must support the 78 mm LGA 1700 mounting holes, which the CPU cooler compatibility by socket guide explains.
Stability and microcode updates
Intel confirmed in 2024 that 13th and 14th Gen desktop processors could suffer from a problem it calls Vmin shift instability, caused by elevated voltage requests from microcode and BIOS code. It released microcode updates, including 0x12B, which reach a system only through a motherboard BIOS update, and it recommends its Intel Default Settings profile.
The update reduces the risk going forward. A chip that is already unstable may need to be replaced under warranty. If you buy or reuse a 14900K, install the current BIOS before putting the processor under heavy load.
Upgrade paths before and after the 14900K
Coming from an older system, the 14900K only makes sense with a new motherboard, because LGA 1700 is not compatible with LGA 1200 or earlier sockets. Coming from a 12th Gen chip such as the Intel Core i5-12400F, it is a drop-in swap on the same board, subject to BIOS support and the quality of the board's power delivery.
Intel's later desktop processors, such as the Intel Core Ultra 7 265K, use LGA 1851. Moving up to one of those means replacing the board and, because LGA 1851 boards take DDR5 only, the memory as well.
Frequently asked questions
What socket does the Intel Core i9-14900K use?
It uses LGA 1700, written FCLGA1700 in Intel's documents.
Can the Core i9-14900K run in a Z690 motherboard?
Yes, after a BIOS update that adds 14th Gen support. Without the update the board will not start with this processor. Check the BIOS version in the board maker's CPU support list.
Does the Core i9-14900K work with DDR4 memory?
Yes, on a motherboard that has DDR4 slots, with an official limit of DDR4-3200. A board with DDR5 slots needs DDR5 modules instead. The two types cannot be mixed on one board.
Will a cooler from an LGA 1200 build fit?
Not without an LGA 1700 kit from the cooler maker. The mounting holes are 78 mm apart, compared with 75 mm on LGA 1200.
What is the difference between the 14900K and the 14900KF?
The KF has the integrated graphics disabled, so it needs a graphics card. The rest is the same, and Intel's recommended price is $25 lower for the KF.
Sources and verification
- Intel Core i9-14900K specifications (Intel)
- Intel Core i9-14900K ordering and price information (Intel)
- Intel Core 13th and 14th Gen desktop instability root cause update (Intel)
- LGA 1700 on Wikipedia
Facts last checked against these sources on . Page last edited on .