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Core Ultra 7 366H vs Core Ultra X9 378H

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Performance score

Core Ultra 7 366H 2026 · 16/16 cores/threads
49.38
Core Ultra X9 378H 2026 · 16/16 cores/threads
51.44 +4%
Ryzen 5 7530U Core i5-12450H Core Ultra 7 258V Core i9-14900HX

Core Ultra X9 378H is 4% faster than Core Ultra 7 366H by our estimate.

The score is our own estimate from the specs (cores, threads, clocks, architecture generation), not a benchmark run. 100 = the fastest CPU in our database.

Overview

Core Ultra 7 366HCore Ultra X9 378H
Score (0–100) 49.38 51.44
Ranking position 67 63
Type Laptop Laptop
Manufacturer Intel Intel
Architecture Panther Lake Panther Lake
Release date Q1 2026 Q2 2026

Specifications

Core Ultra 7 366HCore Ultra X9 378H
Cores 16 16
Threads 16 16
P + E cores 4 + 12 4 + 12
Boost clock 4.8 GHz 5 GHz
L3 cache 18 MB 18 MB
Unlocked multiplier no no
Integrated graphics Intel Graphics Intel Arc B390 GPU
NPU (AI accelerator) no no

Pros and cons

Core Ultra 7 366H

  • no notable advantages

Core Ultra X9 378H

  • 4% higher overall score
  • 4% faster single core

Other comparisons

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