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HomeProcessorsComparisonIntel Core Ultra 7 255HX vs Intel Core Ultra 9 290HX Plus
Comparison

Intel Core Ultra 7 255HX vs Intel Core Ultra 9 290HX Plus

Which processor is better?

Intel Core Ultra 9 290HX Plus wins

Slight edge
Intel Core Ultra 7 255HX48Overall
Intel Core Ultra 9 290HX Plus52Overall
Comparison confidence: Low14 of 14 comparable specifications present on both · 2 independent signals decided this
Spec advantage
Intel Core Ultra 7 255HX0Intel Core Ultra 9 290HX Plus6

How many rows each one leads. Not the verdict: a Bluetooth version and CPU performance cannot carry the same weight.

Why Intel Core Ultra 9 290HX Plus leads
  • flagship class platform against a upper midrange one
Which is better for what?
  • GamingNot enough data
  • AINot enough data
  • CameraNot enough data
  • EfficiencyNot enough data
  • Device choiceIntel Core Ultra 9 290HX Plus
  • ValueKacbu stores no prices
Choose Intel Core Ultra 7 255HX if…
  • you are shopping for a upper midrange class processor
  • you are buying one of the devices that use this chip
Go to product page
Choose Intel Core Ultra 9 290HX Plus if…
  • you are shopping for a flagship class processor
  • you are buying one of the devices that use this chip
Go to product page

Frequently asked

Which one is faster?

Clock speed and core count are not directly comparable across architectures, so Kacbu does not score them: it prints them and leaves the decision to the fields that can be measured. Intel Core Ultra 9 290HX Plus leads: overall 48 against 52.

Which is better for gaming?

There is not enough data to decide Graphics / Gaming.

Which is more efficient?

There is not enough data to decide Efficiency.

Which is better for AI?

There is not enough data to decide AI.

Which one should I choose?

Intel Core Ultra 9 290HX Plus leads: overall 48 against 52.

How reliable is this comparison?

Comparison confidence: Low. 14 of 14 comparable specifications are present on both, and 2 independent signals decided it.

This decision engine reads the manufacturers own specification pages. A row that cannot be scored is not scored, and a missing value never hands the other side a win.
IntelIntel Core Ultra 7 255HXIntelIntel Core Ultra 9 290HX Plus

General

FamilyArrow Lake-HX (Core Ultra 200HX)Core Ultra 200HX Plus
SegmentLaptop High-endLaptop Flagship
Release YearShown for context, not scored20252026

CPU

Number of CoresShown for context, not scored2024
ThreadShown for context, not scored2024
Efficiency CoreShown for context, not scored1216
Boost frequencyShown for context, not scored5.2 GHz5.5 GHz
Base FrequencyShown for context, not scored2.4 GHz (P-core)2.7 GHz (P-core)
L3 cacheShown for context, not scored30 MB36 MB
L2 cacheShown for context, not scored36 MB40 MB

General

ManufacturerIntelIntel
FamilyArrow Lake-HX (Core Ultra 200HX)Core Ultra 200HX Plus
SegmentLaptop High-endLaptop Flagship
Release YearShown for context, not scored20252026

CPU

Number of CoresShown for context, not scored2024
ThreadShown for context, not scored2024
Performance CoreShown for context, not scored88
Efficiency CoreShown for context, not scored1216
Boost frequencyShown for context, not scored5.2 GHz5.5 GHz
Base FrequencyShown for context, not scored2.4 GHz (P-core)2.7 GHz (P-core)
L3 cacheShown for context, not scored30 MB36 MB
L2 cacheShown for context, not scored36 MB40 MB

Graphics / Gaming

Integrated GraphicsNot decidedIntel GraphicsIntel Graphics

AI

NPU (TOPS)Shown for context, not scored13 TOPS (Intel AI Boost)13 TOPS (Intel AI Boost)

Efficiency

Manufacturing ProcessTSMC N3BTSMC N3B
TDPShown for context, not scored55 W55 W
Maximum turbo powerShown for context, not scored160 W160 W

Platform

SocketFCBGA2114 (soldered)FCBGA2114 (soldered)

Devices using these processors

Intel Core Ultra 7 255HX1 device
Intel Core Ultra 9 290HX Plus3 devices