Core™ Ultra 7 Processor 255HX
G-Score 79 Overall Score
20 cores / 20 threads, up to 5.20 GHz, AI acceleration
GeeCoolGuest
GeeCoolCPU Comparison
Core™ Ultra 7 Processor 356H
G-Score 67 Overall Score
16 cores / 16 threads, up to 4.70 GHz, AI acceleration
VERDICT
Recommended Core™ Ultra 7 Processor 255HX
If you want one chip for mixed use, Core™ Ultra 7 Processor 255HX is the safer default in this pair. Platform planning: match cooling and board tier to up to 5.2 GHz, 30 MB L3 cache, 20 / 20. Budget or bundle deals can flip this pair despite G-SCORE. Scenario-first: Compute Index favors Core™ Ultra 7 Processor 255HX (~+25%). Match your week against on Compute Index: +25%, Gaming Index up +20%—that is the practical test. Happy building—may this save you one wrong click in the cart.
Generated by GeeCool AI
Head-to-Head Specs
20 / 20
Cores
16 / 16
5.2 GHz
Clock
4.7 GHz
30 MB
Cache
18 MB
Six Index Comparison
Gaming Index
Game performanceBetter in this index Intel® Core™ Ultra 7 Processor 255HX
91
76
Core™ Ultra 7 Processor 255HX Core™ Ultra 7 Processor 356H
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 7 Processor 255HX
81
69
Core™ Ultra 7 Processor 255HX Core™ Ultra 7 Processor 356H
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 7 Processor 255HX
78
63
Core™ Ultra 7 Processor 255HX Core™ Ultra 7 Processor 356H
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 7 Processor 255HX
81
67
Core™ Ultra 7 Processor 255HX Core™ Ultra 7 Processor 356H
AI Capability combines ISA support, acceleration, and memory factors for on-device AI.
Efficiency Index
Performance per wattBetter in this index Intel® Core™ Ultra 7 Processor 255HX
96
85
Core™ Ultra 7 Processor 255HX Core™ Ultra 7 Processor 356H
The higher Efficiency Index usually means less power and heat for similar performance.
Value Index
Capability vs platform costBetter in this index Intel® Core™ Ultra 7 Processor 356H
27
28
Core™ Ultra 7 Processor 255HX Core™ Ultra 7 Processor 356H
On a budget, Value Index helps you spend on capability rather than badge value.
Key Differences
Spec Core™ Ultra 7 Processor 255HX Core™ Ultra 7 Processor 356H
硬件类型 CPU CPU
核心 / 线程 20 / 20 16 / 16
最高 Boost 5.2 GHz 4.7 GHz
L3 缓存 30 MB 18 MB
平台 FCBGA2114 FCBGA2540
内存支持 Up to DDR5 6400 MT/s Up to LPDDR5X 8533 MT/s Up to DDR5 7200 MT/s
Buying Choice
Why choose Core™ Ultra 7 Processor 255HX?
- 30.00 MB L3 cache — smoother gaming with fewer hitches
- 20 cores / 20 threads — higher multithreaded throughput
- Built-in NPU for local AI, speech, and vision tasks
Why choose Core™ Ultra 7 Processor 356H?
- Balanced specs with stronger platform value
Left/right order follows slug order in the URL