Intel
Intel Core i9-12900KF vs Intel Core i9-9920X
Full comparison of specs, performance and benchmarks
Intel
Core i9-9920X
Aggregate performance score
We've compared Core i9-12900KF and Core i9-9920X across specs and all relevant benchmarks.
↗Core i9-12900KF outperforms Core i9-9920X by 63% based on our aggregate benchmark results.+63%
Scores are normalized on the Head to Head scale. Higher is better.Intel Core i9-12900KF vs Intel Core i9-9920X: key takeaway
The comparison of Core i9-12900KF and Core i9-9920X shows a 69% advantage for Core i9-12900KF in gaming performance, while Core i9-9920X may still be stronger in efficiency and feature set. Use the sections below to check whether that lead comes from real FPS, specifications, efficiency, price or platform features.
SUMMARY PROFILE
Verified-metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
IntelPerformance
Single-core
Multi-core
L3 cache
Efficiency
2716
8775
5455
10
1412
COMPARISON RESULT
Core i9-12900KF is the best overall choice
Core i9-12900KF leads in overall performance, while Core i9-12900KF offers better price-to-performance. Check results in your applications before making the final choice.
Core i9-12900KF leads in the combined performance index
Core i9-9920X costs less
OVERALL SCORE
Overview
Scores are calculated from specifications, performance, and efficiency.
The Summary score section compares Core i9-12900KF and Core i9-9920X with normalized H2H data, turning specifications, tests and value signals into practical buying context.
GamesDirectX, OpenCL, and Vulkan performance
27Better
16
Professional applications3D modeling, video editing, and rendering
26Better
18
AI and machine learningMachine-learning and AI capabilities
23Better
16
Power efficiencyPower consumption across workloads
14Better
12
Head to Head scoreOverall catalog score
24Better
15
FULL COMPARISON
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
The Specifications section compares Core i9-12900KF and Core i9-9920X with normalized H2H data, turning specifications, tests and value signals into practical buying context.
Release date20212018
Device classDesktopDesktop
PassMark41193Better25208
Cores / Threads8P+8E / 2412 / 24Better
PBP / MTP125 / 241 W165 WBetter
SocketLGA1700LGA2066Better
ArchitectureAlder LakeSkylake-X
Clock speedP 3,2 - 5,2 GHz / E 2,4 - 3,9 GHz3,5 - 4,5 GHzBetter
Base clock3200 MHz3500 MHzBetter
Boost clock5200 MHzBetter4500 MHz
L1 cache80 KB per P-core, 96 KB per E-coreBetter64 KB per core
L2 cache1.25 MB per P-core, 2 MB per E-core clusterBetter1 MB per core
L3 cache30 MBBetter19.25 MB
Power consumption125 / 241 WBetter165 W
Process node10 nm (Intel 7)Better14 nm
Memory supportDDR5-4800 / DDR4-3200BetterDDR4-2666
Integrated graphics—No
HEAD TO HEAD · CALCULATED INDEX
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
The Benchmarks section compares Core i9-12900KF and Core i9-9920X with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H Single-core IndexH2H Index / 100877515%
H2H Multi-core IndexH2H Index / 10054552%
H2H Productivity IndexH2H Index / 10056536%
H2H Rendering IndexH2H Index / 10043442%
H2H Value IndexH2H Index / 100000%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
HEAD TO HEAD · CALCULATED INDEX
H2H AI workload indices
Estimated workload profiles based on available performance and memory data.
The Detailed comparison section compares Core i9-12900KF and Core i9-9920X with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H ML Preprocessing IndexH2H Index / 100191153%
H2H CPU Inference IndexH2H Index / 100211347%
H2H Local LLM CPU IndexH2H Index / 10016956%
H2H Data Pipeline IndexH2H Index / 100221351%
H2H Computer Vision CPU IndexH2H Index / 100201250%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
AI EXPLAIN · HEAD TO HEAD
Explain this comparison
Beyond percentages: causes, relevant specifications, and practical impact behind every chart.
What AI will explain
Overall score, radar, FPS, synthetic tests, specifications, efficiency, and value.
REAL CONFIGURATIONS
Owner experiences
Real builds, results, and community feedback.
♢Moderator reviewed☆Helpful to the community🏅Expert badges
Frequently asked comparison questions
Short recommendations based on performance, memory, power consumption, and intended use.
01Which is better for gaming: Core i9-12900KF or Core i9-9920X?+
Core i9-12900KF has the higher overall gaming score, while Core i9-12900KF offers the better price-to-performance ratio. The final choice depends on resolution and settings.
02Which is better for streaming?+
Core i9-12900KF is the stronger streaming choice thanks to performance, hardware encoding, and application support. Check AV1, H.264, and HEVC support before buying.
03Which is better for Blender?+
Core i9-12900KF is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.
04Which is better for video editing?+
Core i9-12900KF offers more overall performance, while Core i9-12900KF offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
Core i9-12900KF is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.
06Which is better for 1080p?+
Core i9-12900KF is the most rational 1080p choice, where high frame rates and cost per frame matter most.
07Which is better for 1440p?+
Core i9-12900KF leads in combined 1440p performance. Core i9-12900KF can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
Core i9-12900KF is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.
09Which is better for a quiet PC?+
Core i9-12900KF is easier to use in a quiet build because of its lower estimated power and thermal load. Actual noise depends on the specific cooler.
10Which is better without replacing the power supply?+
Core i9-12900KF is the safer candidate because its stated power consumption is lower. Verify PSU wattage, age, and power connectors.
11Is it worth upgrading from the previous generation?+
Consider upgrading to Core i9-12900KF if your current device no longer delivers the required FPS, memory capacity, or feature support. A gain below 15–20% is usually worth waiting for a price cut.