Intel
Intel Core i9-12900KF
Intel's unlocked Alder Lake flagship without integrated graphics for LGA1700, launched in the fourth quarter of 2021: 16 cores (8 performance, 8 efficient) and 24 threads, up to 5.2 GHz, 125 W base power and 241 W maximum turbo power.
Pros
- 16 cores (8 P-cores, 8 E-cores) and 24 threads at up to 5.2 GHz
- Unlocked multiplier for overclocking
- 30 MB cache and support for both DDR5-4800 and DDR4-3200 memory
- PCIe 5.0 and 4.0 support from the CPU
Cons
- No integrated graphics, so a discrete graphics card is required
- 241 W maximum turbo power demands a high-end cooler
- Requires an LGA1700 motherboard
- Intel's listed price is a $620-$630 range
Good
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the Intel Core i9-12900KF
General
- Announced
- 2021
- Socket
- LGA1700
- Process
- 10 nm
- Base TDP
- 125 W
- Max turbo power
- 241 W
- Unlocked multiplier
- Yes
Cores & Clocks
- Cores
- 16
- Performance cores
- 8
- Efficiency cores
- 8
- Threads
- 24
- Base clock
- 3.2 GHz
- Boost clock
- 5.2 GHz
- L2 cache
- 14 MB
- L3 cache
- 30 MB
Integrated GPU
- iGPU
- None
Memory
- Memory support
- DDR5-4800 / DDR4-3200
- Max memory
- 128 GB
- Memory channels
- 2
Platform
- PCIe version
- 5
- CPU PCIe lanes
- 20
Benchmarks
- PassMark
- 40,442Top 21%
- PassMark (single thread)
- 4,117Top 27%
Quick answers
Is the Intel Core i9-12900KF good in 2026?
The Intel Core i9-12900KF earns an Inno Score of 68/100 (“Good”) based on its specs and benchmark results. Intel's unlocked Alder Lake flagship without integrated graphics for LGA1700, launched in the fourth quarter of 2021: 16 cores (8 performance, 8 efficient) and 24 threads, up to 5.2 GHz, 125 W base power and 241 W maximum turbo power.
What are the key specs of the Intel Core i9-12900KF?
Cores: 16 · Threads: 24 · Boost clock: 5.2 GHz · Socket: LGA1700
What are the closest alternatives to the Intel Core i9-12900KF?
Its closest rivals on InnoReviews are Intel Core Ultra 5 245, Intel Core i7-13700, Intel Core i5-14600KF — open the comparison pages for a spec-by-spec breakdown.
