Core™ i9-12900K
G-Score 75 Overall Score
16 cores / 24 threads, up to 5.20 GHz
GeeCoolGuest
GeeCoolCPU Comparison
Core™ Ultra 9 Processor 275HX
G-Score 83 Overall Score
24 cores / 24 threads, up to 5.40 GHz, AI acceleration
VERDICT
Recommended Core™ Ultra 9 Processor 275HX
This tier of lead rarely needs extra persuasion. The 11% edge in AI Capability is the usable takeaway. Totals say Core™ Ultra 9 Processor 275HX; obsessions say audit Value Index for Core™ i9-12900K. Platform planning: match cooling and board tier to up to 5.4 GHz, 24 / 24, 36 MB L3 cache. Heavy AI Capability users should weight 56% higher on Efficiency Index, AI Capability (+11%) heavily. Bottom line: treat “Recommended” as sort order—your main app index is still the judge.
Generated by GeeCool AI
Head-to-Head Specs
16 / 24
Cores
24 / 24
5.2 GHz
Clock
5.4 GHz
30 MB
Cache
36 MB
Six Index Comparison
Gaming Index
Game performanceBetter in this index Intel® Core™ Ultra 9 Processor 275HX
92
98
Core™ i9-12900K Core™ Ultra 9 Processor 275HX
For gaming-first builds, Gaming Index is a better guide than core count alone.
Content Creation Index
Editing, rendering & streamingBetter in this index Intel® Core™ Ultra 9 Processor 275HX
81
84
Core™ i9-12900K Core™ Ultra 9 Processor 275HX
A higher Content Creation Index generally helps with editing, rendering, streaming, and design workflows.
Compute Index
Compilation & multithreaded workloadsBetter in this index Intel® Core™ Ultra 9 Processor 275HX
76
82
Core™ i9-12900K Core™ Ultra 9 Processor 275HX
The higher Compute Index usually wins on compile jobs, VMs, and sustained compute workloads.
AI Capability
On-device AI workloadsBetter in this index Intel® Core™ Ultra 9 Processor 275HX
73
81
Core™ i9-12900K Core™ Ultra 9 Processor 275HX
AI Capability combines ISA support, acceleration, and memory factors for on-device AI.
Efficiency Index
Performance per wattBetter in this index Intel® Core™ Ultra 9 Processor 275HX
66
103
Core™ i9-12900K Core™ Ultra 9 Processor 275HX
The higher Efficiency Index usually means less power and heat for similar performance.
Value Index
Capability vs platform costBetter in this index Intel® Core™ i9-12900K Processor
28
26
Core™ i9-12900K Core™ Ultra 9 Processor 275HX
On a budget, Value Index helps you spend on capability rather than badge value.
Key Differences
Spec Core™ i9-12900K Core™ Ultra 9 Processor 275HX
硬件类型 CPU CPU
核心 / 线程 16 / 24 24 / 24
最高 Boost 5.2 GHz 5.4 GHz
L3 缓存 30 MB 36 MB
平台 FCLGA1700 FCBGA2114
内存支持 Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to DDR5 6400 MT/s
Buying Choice
Why choose Core™ i9-12900K?
- Balanced specs with stronger platform value
Why choose Core™ Ultra 9 Processor 275HX?
- 36.00 MB L3 cache — smoother gaming with fewer hitches
- 24 cores / 24 threads — higher multithreaded throughput
- Built-in NPU for local AI, speech, and vision tasks
Left/right order follows slug order in the URL