Intel Core i9 14900KF vs i9 12900KF
We compared two desktop CPUs: the 3.2 GHz Intel Core i9 14900KF with 24-cores against the 3.2 GHz i9 12900KF with 16-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Value for money (Beta)
Key Differences
Advantages of Intel Core i9 14900KF
- Newer - released 2 years later
- Has 8 more physical cores
- Supports up to 192 GB DDR5-5600 RAM
- Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- 18% higher Turbo Boost frequency (6 GHz vs 5.1 GHz)
- Around 12.8 GB/s (17%) higher theoretical memory bandwidth
- 20% faster in a single-core Geekbench v6 test - 3220 vs 2686 points
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | 690 | - |
| Cinebench 2026 (Multi) | 7372 | - |
Cinebench Scores (19th and 77th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1590 MB/sec | 1150 MB/sec |
| Clang compilation | 200.6 Klines/sec | 141 Klines/sec |
| HTML 5 Browser | 491.5 pages/sec | 363.2 pages/sec |
| PDF Renderer | 554.9 Mpixels/sec | 475.6 Mpixels/sec |
| Text processing | 315.7 pages/sec | 274.8 pages/sec |
| Background blur | 74.9 images/sec | 66.8 images/sec |
| Photo processing | 151.1 images/sec | 138.5 images/sec |
| Ray tracing | 44.2 Mpixels/sec | 33.9 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 208.3 GOps/sec | 138.3 GOps/sec |
| Floating point math | 151.4 GOps/sec | 104.8 GOps/sec |
| Find prime numbers | 228M Primes/sec | 138M Primes/sec |
| Random string sorting | 86.4M Strings/sec | 56.7M Strings/sec |
| Data encryption | 46.2 GBytes/sec | 29.2 GBytes/sec |
| Data compression | 780.5 MBytes/sec | 532.8 MBytes/sec |
| Physics | 3112 Frames/sec | 2054 Frames/sec |
| Extended instructions | 44.5B Matrices/sec | 33.4B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 16.6 PPW | 11.7 PPW |
| Geekbench 6 Multi / Watt | 163 PPW | 129.1 PPW |
| Passmark CPU Mark / Watt | 464.5 PPW | 324 PPW |
| Blender / Watt | 4.13 PPW | 2.92 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core i9 14900KF
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-08-04 (muffo) | Cinebench 2026 | 690 / 7372 |
| 📘 2026-05-06 (Alfredo) | Cinebench 2024 | 133 / 1883 |
| 📘 2026-01-15 (crysis1974) | Cinebench 2024 | 135 / 2070 |
| 📘 2026-01-15 (crysis1974) | Cinebench 2024 | 135 / 2070 |
| 📘 2026-01-04 (JJ) | Cinebench 2024 | 126 / 2086 |
Intel Core i9 12900KF
No benchmark results yet
Specifications
Full technical specification of Intel Core i9 14900KF and i9 12900KFGeneral
| Vendor | Intel | Intel |
| Released | October 16, 2023 | October 27, 2021 |
| Type | Desktop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Raptor Lake Refresh | Alder Lake |
| Model number | i9-14900KF | i9-12900KF |
| Integrated GPU | No | No |
| Rival Equivalent | - AMD Ryzen 9 7900X | - AMD Ryzen 9 5950X |
| Successor | - | - Intel Core i9 14900KF |
Intel CPU rating (9th and 49th place)
CPU
| P-Cores | 8 | 8 |
| P-Threads | 16 | 16 |
| Base Frequency (P) | 3.2 GHz | 3.2 GHz |
| Turbo Boost Frequency (P) | 6 GHz | 5.1 GHz |
| E-Cores | 16 | 8 |
| E-Threads | 16 | 8 |
| Base Frequency (E) | 2.4 GHz | 2.4 GHz |
| Turbo Boost Frequency (E) | 4.4 GHz | 3.9 GHz |
| Total Cores | 24 | 16 |
| Total Threads | 32 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 32x | 32x |
| L1 Cache | 80K (per core) | 64K (per core) |
| L2 Cache | 2MB (per core) | 14MB (shared) |
| L3 Cache | 36MB (shared) | 30MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Fabrication Process | 10 nm | 10 nm |
| TDP (PL1) | 125 W | 125 W |
| Max. Boost TDP (PL2) | 253 W | 241 W |
| Socket | LGA-1700 | LGA-1700 |
| Peak Temperature | 100°C | 100°C |
Desktop CPU ranking (16th and 51st place)
Memory Support
| Memory Types | - DDR5-5600 - DDR4-3200 |
- DDR5-4800 - DDR4-3200 |
| Max. Memory Size | 192 GB | 128 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 89.6 GB/s | 76.8 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official Site | Intel Core i9 14900KF official page | Intel Core i9 12900KF official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 20 | 20 |
Cast your vote
Total votes: 13