CPU Comparison

Intel Core i9-12900F vs Intel Core i9-12900KS

A side-by-side comparison of specs, performance and value. The Intel Core i9-12900F is a 16-core, 24-thread high-end desktop processor built on Intel’s Alder Lake-S hybrid architecture, combining eight Performance-cores and eight Efficient-cores with up to 5.1 GHz turbo and 30 MB of L3 cache, targeting enthusiasts, creators, and power users who need strong multi-threaded performance without integrated graphics.

Top pick
Intel · Core i9
Intel Core i9-12900F
16C / 24T5.1 GHz65 W
8.6
Full review
Intel · Core i9
Intel Core i9-12900KS
16C / 24T5.5 GHz150 W
8.2
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
High-End Desktop
High-End Desktop
Generation
12th Gen Intel Core (Alder Lake)
12th Gen Core (Alder Lake-S)
Launched
2022
2022
Status
Launched
Discontinued
Codename
Alder Lake-S
Alder Lake-S
Series
Core i9
Core i9
Family
12th Gen Core (Alder Lake-S)
Alder Lake-S
Predecessor
Intel Core i9-11900F (Rocket Lake-S)
Intel Core i9-12900K
Successor
Intel Core i9-13900F (Raptor Lake-S)
Intel Core i9-13900KS

Specifications Compared

Cores & Clocks
Cores
16
16
Threads
24
24
Base Clock
2.4 GHz
3.4 GHz
Boost Clock
5.1 GHz
5.5 GHz
Cache & Power
L3 Cache
30 MB
30 MB
TDP
65 W
150 W
Architecture
Architecture
Alder Lake-S (Hybrid: Golden Cove P-cores + Gracemont E-cores)
Alder Lake-S (Performance Hybrid)
Process Node
Intel 7 (~10 nm ESF)
Intel 7 (10 nm Enhanced SuperFin)
Memory
Memory Type
DDR4, DDR5
DDR4, DDR5
Memory Speed
DDR4-3200, DDR5-4800
DDR4-3200, DDR5-4800
Memory Channels
Dual (2)
Dual (2)
Max Memory
128 GB
128 GB
Platform & I/O
Socket
FCLGA1700
LGA1700
PCIe Version
PCIe 5.0 and 4.0
PCIe 5.0, PCIe 4.0
PCIe Lanes
20
20
Integrated GPU
None
Yes
Unlocked
No
Yes

Performance Compared

Productivity

Intel Core i9-12900FBest89
Intel Core i9-12900KS88

Gaming

Intel Core i9-12900F84
Intel Core i9-12900KSBest90

Virtualization

Intel Core i9-12900FBest90
Intel Core i9-12900KS85

Efficiency

Intel Core i9-12900FBest70
Intel Core i9-12900KS60

Specialized Performance

AI / ML

Intel Core i9-12900FModerate
  • No dedicated NPU; AI workloads rely on CPU vector units (AVX2, DL Boost)
  • Suitable for light CPU‑based inference and small models
  • Not competitive with modern NPUs or high‑end GPUs for large LLMs or diffusion models
Intel Core i9-12900KSLimited
  • No dedicated NPU or AI matrix hardware beyond DLBoost
  • Suitable for CPU-based inference and light AI workloads
  • Modern NPUs on newer CPUs deliver far better AI efficiency

Content Creation

Intel Core i9-12900FExcellent
Adobe Premiere ProDaVinci ResolveBlenderCinema 4DAfter Effects
Intel Core i9-12900KSVery Good
Adobe Premiere ProDaVinci ResolveBlenderCinema 4DAfter Effects

Gaming

Intel Core i9-12900FVery Good
  • High P‑core turbo up to 5.1 GHz benefits many games
  • Modern titles increasingly use E‑cores, so the hybrid design helps more than it hurts
  • 1% lows are typically good when paired with a capable GPU
  • Newer i5/i7 Raptor Lake parts often offer better value and efficiency at similar or better gaming performance
Intel Core i9-12900KSExcellent
  • 5.5 GHz dual-core boost gives excellent 1080p high-refresh performance
  • Typically a few percent faster than the i9-12900K at stock
  • Ryzen 7 5800X3D often matches or beats it in gaming at lower power
  • Limited gains in many GPU-bound scenarios

Industry Impact

Gaming
Moderate
High
Workstations
High
Moderate
Content Creation
High
High
Virtualization
Moderate
Moderate

Best CPU by Use Case

4K Video Editing
Excellent
3D Rendering & VFX
Excellent
Streaming + Gaming
Very Good
Software Compilation
Very Good
General Productivity
Good
Good
High-Refresh-Rate Gaming
Excellent
Competitive / E-Sports Titles
Excellent
Video Editing and Streaming
Very Good
3D Rendering and Content Creation
Very Good

Target Audience

Gamers
Targeted
Targeted
Content Creators
Targeted
Targeted
Developers
Targeted
Targeted
Workstation Users
Targeted
Targeted
Streamers
Targeted
Targeted
Office / Productivity
Students

Strengths & Weaknesses

Intel Core i9-12900F

Pros

  • 16 cores and 24 threads handle heavy multitasking and threaded workloads well
  • PCIe 5.0 from the CPU plus DDR5 support for future‑oriented I/O
  • Strong single‑threaded performance up to 5.1 GHz
  • Hybrid architecture with Thread Director improves real‑world scheduling
  • Widely available at discounted prices as 12th‑gen clears out

Cons

  • No integrated graphics; discrete GPU mandatory
  • Locked multiplier limits overclocking headroom
  • 202 W maximum turbo power demands good cooling and a decent PSU
  • Older Intel 7 process is less efficient than Raptor Lake or Ryzen 7000
  • Platform is end‑of‑life, with no direct upgrade path beyond Raptor Lake on LGA1700
Intel Core i9-12900KS

Pros

  • 5.5 GHz dual-core boost, the highest official Alder Lake clocks
  • Pre-binned silicon for better frequency consistency
  • Strong gaming and single-threaded performance
  • Unlocked multiplier and good overclocking headroom
  • Integrated UHD Graphics 770 for quick-sync and basic display

Cons

  • High power draw and heat output under load
  • Only modest performance gains over the cheaper i9-12900K in many games
  • Later 13th/14th-gen and AMD X3D CPUs often surpass it in gaming and efficiency
  • Discontinued, with limited long-term platform value
  • Requires robust cooling and a strong VRM motherboard

Competitors & Alternatives

Intel Core i9-12900F

  • AMD Ryzen 9 5900X

    High-End Desktop

    Rival
  • AMD Ryzen 9 5950X

    High-End Desktop

    Rival
  • Intel Core i9-12900K

    Enthusiast Desktop

    Rival
    Compare head-to-head
  • Intel Core i7-12700K

    High-End Desktop

    Rival
  • Intel Core i5-13600K

    Mainstream-Enthusiast Desktop

    Rival
  • Intel Core i5-14600KF
    Alt

    Newer Raptor Lake architecture with better single‑thread and efficiency at similar or lower price; best value for most gamers and creators.

  • Intel Core i7-14700KF
    Alt

    More E‑cores and higher clocks give a solid multi‑thread uplift with better platform longevity if you can spend more.

  • AMD Ryzen 9 7900
    Alt

    AM5 platform with DDR5 only and strong efficiency; good if you want a modern, up‑gradable platform without paying Intel prices.

  • Direct successor with more cores (8P+16E) and higher boost clocks; better long‑term choice if you’re staying on LGA1700.

    Compare head-to-head

Intel Core i9-12900KS

  • AMD Ryzen 9 5900X

    High-End Desktop

    Rival
  • AMD Ryzen 7 5800X3D

    Gaming

    Rival
  • Intel Core i9-12900K

    High-End Desktop

    Rival
    Compare head-to-head
  • Intel Core i7-13700K

    High-End Desktop

    Rival
  • Intel Core i9-13900K

    High-End Desktop

    Rival
    Compare head-to-head
  • AMD Ryzen 7 7800X3D
    Alt

    Often faster in gaming at lower power; better long-term platform if you don’t need Intel-specific features.

  • Intel Core i7-14700K
    Alt

    Newer architecture with more E-cores and better multi-threaded performance at similar or lower power.

  • AMD Ryzen 9 7900
    Alt

    More efficient and competitive multi-threaded performance with a modern AM5 platform.

  • Direct successor with significantly higher clocks and more cores if you want top-end Intel performance.

    Compare head-to-head

Our Verdict on Each

A powerful hybrid-core CPU that delivers excellent multi-threaded performance and modern I/O for the price, but lacks integrated graphics and is no longer the newest platform, so it’s best bought at a discount or in a heavily discounted prebuilt.

Best for: Discounted builds where you want 16C/24T and PCIe 5.0 without paying current‑gen prices, especially if you already own a discrete GPU and a Z690/B660 motherboard.

Read the full review

A fast, hot, and expensive special-edition chip that delivers the best Alder Lake clocks and strong gaming performance, but with modest gains over the cheaper i9-12900K and high power draw that demands serious cooling.

Best for: Used or discounted Alder Lake enthusiast build where you specifically want Intel 12th-gen and are comfortable with high power draw and heat.

Read the full review

Frequently Asked Questions

Which is better, Intel Core i9-12900F or Intel Core i9-12900KS?

Based on our editorial ratings, the Intel Core i9-12900F comes out ahead with a score of 8.6/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Which is faster for gaming, Intel Core i9-12900F or Intel Core i9-12900KS?

For gaming, the Intel Core i9-12900KS leads with a gaming performance score of 90/100 among Intel Core i9-12900F and Intel Core i9-12900KS.

Which uses less power?

The Intel Core i9-12900F has the lowest rated TDP. Power draw across these chips: Intel Core i9-12900F (65 W), Intel Core i9-12900KS (150 W).

Do Intel Core i9-12900F and Intel Core i9-12900KS use the same socket?

No. They use different sockets (Intel Core i9-12900F: FCLGA1700, Intel Core i9-12900KS: LGA1700), so each needs a compatible motherboard.

Which is faster in multi-core benchmarks?

The Intel Core i9-12900F posts the highest multi-core benchmark score. Multi-core results: Intel Core i9-12900F (36,739), Intel Core i9-12900KS (15,995). Benchmark figures are approximate and workload-dependent.