CPUs / Compare
Intel Core i5-12400F vs Intel Core i9-14900K
Product A: Intel
40 of 74 known
Change Intel Core i5-12400F
Product B: Intel
57 of 74 known
Change Intel Core i9-14900K
39 of 66 fields differ
- 22 different values
- 17 known for one only
- 14 the same
- 13 missing for both
Biggest differences
Each bar uses the scale of all 90 CPUs.
- CoresA: 6B: 24Core i9-14900K is 4 times higher.
- Max turbo powerLower is betterA: 117WB: 253WCore i5-12400F is 136 W lower.
- L3 cacheA: 18MBB: 36MBCore i9-14900K is 18 MB higher.
- Base power (TDP)Lower is betterA: 65WB: 125WCore i5-12400F is 60 W lower.
- Max boost clockA: 4.4GHzB: 6GHzCore i9-14900K is 1.6 GHz higher.
- Max memory speed (official, any module type)A: 4,800MT/sB: 5,600MT/sCore i9-14900K is 800 MT/s higher.
All 74 fields
Every value links to where we found it.


General
4 of 13 differ
Series
Model numbers
BX8071512400F, BXC8071512400F, CM8071504555318, CM80715046506092Maker product pageintel.com/content/www/us/en/products/sku/134587/intel-core-i512400f-processor-18m-cache-up-to-4-40-ghz/ordering.htmlRead 15 October 2026Ordering codes: CM8071504555318 (tray, SRL4W, C0), CM8071504650609 (tray, SRL5Z, H0), BX8071512400F (box, SRL4W and SRL5Z), and BXC8071512400F (China box, SRL4W and SRL5Z). All are package FC-LGA16A.
BX8071514900K, BXC8071514900K, CM80715050940172Maker product pageintel.com/content/www/us/en/products/sku/236773/intel-core-i9-processor-14900k-36m-cache-up-to-6-00-ghz/ordering.htmlRead 14 October 2026Ordering codes: BX8071514900K (box, spec code SRN48), BXC8071514900K (China box, SRN48) and CM8071505094017 (tray, SRN48), all stepping B0.
GTIN / EAN
Announced
Status
Predecessor
Not available
Not available
Successor
Not available
Intel Core Ultra 9 285K11Reviewclub386.com/intel-core-ultra-9-285k-vs-intel-core-i9-14900kRead 14 October 2026Club386's head-to-head calls the Core Ultra 9 285K the successor of the Core i9-14900K.15Reviewtomshardware.com/pc-components/cpus/intel-core-ultra-9-285k-cpu-reviewRead 23 October 2026Tom's Hardware names the Core i9-14900K as the previous-gen equivalent of the Core Ultra 9 285K.
Launch price (US)
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Not available
Not available
Segment
Instruction set
Codename
CPU process (as published)
CPU process node
AVX-512
Cores and clocks
7 of 7 differ
Core configuration
AIntel Core i5-12400F
| Core type | Count | Base clock (GHz) | Max clock (GHz) |
|---|---|---|---|
| Performance | 6 | 2.5 | 4.4 |
BIntel Core i9-14900K
| Core type | Count | Base clock (GHz) | Max clock (GHz) |
|---|---|---|---|
| Performance | 8 | 3.2 | 5.6 |
| Efficiency | 16 | 2.4 | 4.4 |
Cores
6
24
Cores labelled performance
6
8
Cores labelled efficiency
0
16
Threads
Max boost clock
Unlocked for overclocking
No5Maker product pageintel.com/content/www/us/en/processors/processor-numbers.htmlRead 15 October 2026Intel's processor numbers page defines the K suffix as high performance, unlocked and the F suffix as requires discrete graphics. The 12400F has no K.6Reviewtomshardware.com/news/intel-core-i5-12400-reviewRead 15 October 2026Tom's Hardware review of the Core i5-12400, 3 January 2022: the Core i5-12400 is a locked chip that cannot be overclocked, and the graphics-less 12400F has the same specs. Intel supports memory overclocking on B660 and Z690 boards. Memory profiles do not count.
Cache
2 of 3 differ
L2 cache
L3 cache
AMD 3D V-Cache
Power and thermals
2 of 4 differ
Base power (TDP)
Max turbo power
Configurable power range
Not available
Not available
Max operating temperature
Memory
5 of 6 differ
Memory support
AIntel Core i5-12400F
| Memory type | Max speed (MT/s) |
|---|---|
| DDR5 | 4,800 |
| DDR4 | 3,200 |
BIntel Core i9-14900K
| Memory type | Module type | Modules | Max speed (MT/s) |
|---|---|---|---|
| DDR5 | UDIMM | 2x1R | 5,600 |
| DDR4 | Not available | Not available | 3,200 |
Source1Maker product pageintel.com/content/www/us/en/products/sku/236773/intel-core-i9-processor-14900k-36m-cache-up-to-6-00-ghz/specifications.htmlRead 14 October 2026Memory Types: Up to DDR5 5600 MT/s and up to DDR4 3200 MT/s. ARK names no module type, rank or configuration. The DDR5 row comes from Intel's product brief. The DDR4 row has no module type or configuration.4Maker product pageintel.com/content/www/us/en/products/docs/processors/core/core-14th-gen-desktop-brief.htmlRead 14 October 2026Footnote: DDR5-5600 MT/s 1DPC UDIMM 1Rx8, 1Rx16. One DIMM per channel in dual channel is two modules, so 2x1R. The text also states continued DDR4 support up to 3200 MT/s.
Max memory speed (official)
4,800MT/s
5,600MT/s
Memory channels
Memory bandwidth (claimed)
Max memory
Platform
0 of 7 differ
Socket or package
Compatible chipsets
Intel B760, Intel H770, Intel Z790, Intel W680, Intel Q670, Intel H610, Intel H670, Intel B660, Intel Z6903Maker product pageintel.com/content/www/us/en/products/sku/134587/intel-core-i512400f-processor-18m-cache-up-to-4-40-ghz/compatible.htmlRead 15 October 2026Compatible tab lists the Intel B760, H770 and Z790 chipsets (700 Series) and the W680, Q670, H610, H670, B660 and Z690 chipsets (600 Series).
Intel B760, Intel H770, Intel Z790, Intel W680, Intel Q670, Intel H610, Intel H670, Intel B660, Intel Z6903Maker product pageintel.com/content/www/us/en/products/sku/236773/intel-core-i9-processor-14900k-36m-cache-up-to-6-00-ghz/compatible.htmlRead 14 October 2026Compatible tab lists the Intel B760, H770, Z790, W680, Q670, H610, H670, B660 and Z690 chipsets, in the 700 and 600 Series.
CPU PCIe lanes
AIntel Core i5-12400F
| PCIe generation | Lanes |
|---|---|
| 5 | 16 |
| 4 | 4 |
Source1Maker product pageintel.com/content/www/us/en/products/sku/134587/intel-core-i512400f-processor-18m-cache-up-to-4-40-ghz/specifications.htmlRead 15 October 2026PCI Express Revision 5.0 and 4.0, Max # of PCI Express Lanes 20, configurations up to 1x16+4 and 2x8+4. The Gen 5 and Gen 4 split comes from Intel's 12th Gen PCI Express document.4Maker spec sheet (PDF)download.intel.com/newsroom/2021/manufacturing/12th-Gen-Intel-Core-PCIe.pdfRead 15 October 2026Intel's 12th Gen PCI Express document: Alder Lake desktop configurations have up to 16 PCIe 5.0 lanes and separate PCIe 4.0 lanes for an SSD, up to 4. All lanes connect directly to the processor. Together with ARK's 20 lanes and its 5.0 and 4.0 revisions this gives 16 plus 4. The PCH lanes are not counted.
BIntel Core i9-14900K
| PCIe generation | Lanes |
|---|---|
| 5 | 16 |
| 4 | 4 |
Source1Maker product pageintel.com/content/www/us/en/products/sku/236773/intel-core-i9-processor-14900k-36m-cache-up-to-6-00-ghz/specifications.htmlRead 14 October 2026PCI Express Revision 5.0 and 4.0, Max # of PCI Express Lanes 20, configurations up to 1x16+4 and 2x8+4. The Gen 5 and Gen 4 split comes from Intel's product brief.4Maker product pageintel.com/content/www/us/en/products/docs/processors/core/core-14th-gen-desktop-brief.htmlRead 14 October 2026SKU table: CPU PCIe 5.0 lanes up to 16 and CPU PCIe 4.0 lanes 4. Together they match the 20 lanes on ARK.
CPU PCIe lanes in total
20
20
Highest PCIe generation
5
5
Native USB ports
Not available
Not available
Native USB4 or Thunderbolt
Not available
Not available
Integrated graphics
6 of 9 differ
Integrated graphics
Integrated GPU
Not available
GPU cores
Not available
Not available
Max GPU clock
Not available
Max displays
Not available
DisplayPort version
Not available
Hardware video encode
Not available
Not available
Hardware video decode
Not available
Not available
NPU
None of 2 known
NPU performance
Not available
Not available
Total AI performance
Not available
Not available
Measured performance
7 of 7 differ
Cinebench 2024 multi-core
Not available
Cinebench 2026 single-thread
Not available
Cinebench 2026 multi-core
Not available
Geekbench 6 multi-core
Not available
Game frame rates
AIntel Core i5-12400F
Not availableBIntel Core i9-14900K
| Game | Graphics card | Width (px) | Height (px) | Preset | Average FPS | 1 % low FPS |
|---|---|---|---|---|---|---|
| Baldur's Gate 3 | NVIDIA GeForce RTX 5090 Founders Edition | 1920 | 1080 | Ultra | 142.5 | 95 |
| F1 2024 | NVIDIA GeForce RTX 5090 Founders Edition | 1920 | 1080 | Ultra | 176.1 | 119 |
Measured power and temperature
3 of 5 differ
CPU power while gaming (measured)
Not available
Not available
CPU power at idle (measured)
Not available
CPU temperature in stress test
Not available
Not available
In the box
2 of 2 differ
Cooler in the box
Included cooler
Not available
Links
Not compared
Product page
Spec sheet
Not available
www.intel.com/content/www/us/en/products/docs/processors/core/core-14th-gen-desktop-brief.html4Maker product pageintel.com/content/www/us/en/products/docs/processors/core/core-14th-gen-desktop-brief.htmlRead 14 October 202614th Gen Intel Core desktop processors product brief. Its SKU table has one column for the Core i9 family, not a separate 14900K column.
Manual
Not available
Not available
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)













