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Intel Core Ultra 7 255H

CPUs

Buying advice

This powerful 2025 processor is an excellent choice for professionals and creators who need a fast laptop for heavy multitasking and smooth video editing. It delivers high-end performance for demanding apps while staying efficient enough for a slim, portable device.

Specifications

LAUNCH

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Released2025

CPU BENCHMARKS

Tests and capabilities for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Geekbench 6 SingleConditions unconfirmed2,725
Test conditions & details

Test: Geekbench 6 Single

Score unit: points

Version not recorded

Bars align retained values of the same metric and unit. Test conditions may be unconfirmed. The endpoint is a display scale, not a test maximum, comparable device measurement, game FPS ratio or winner.

Geekbench 6 MultiConditions unconfirmed15,123
Test conditions & details

Test: Geekbench 6 Multi

Score unit: points

Version not recorded

Bars align retained values of the same metric and unit. Test conditions may be unconfirmed. The endpoint is a display scale, not a test maximum, comparable device measurement, game FPS ratio or winner.

iGPU 3DMark TSConditions unconfirmed4,050
Test conditions & details

Test: 3DMark Time Spy

Score unit: points

Version not recorded

Bars align retained values of the same metric and unit. Test conditions may be unconfirmed. The endpoint is a display scale, not a test maximum, comparable device measurement, game FPS ratio or winner.

ARCHITECTURE & CORES

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
ArchitectureArrow Lake
ProcessTSMC N3BManufacturer process name
Show all 6 parameters in ARCHITECTURE & CORES
Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Cores / Threads
Meaning & limits

Physical cores and available threads are separate counts. Hybrid core types and unknown thread counts retain their stated limits.

16C/16T
Core Topology · 1Performance-core · 6 cores · base 2 GHz · max 5.1 GHz (Performance-core Max Turbo Frequency; not sustained all-core)Only explicit populated manufacturer core groups; per-group threads remain null unless directly published.
Core Topology · 2Efficient-core · 8 cores · base 1.5 GHz · max 4.4 GHz (Efficient-core Max Turbo Frequency; not sustained all-core)Only explicit populated manufacturer core groups; per-group threads remain null unless directly published.
Core Topology · 3Low Power Efficient-core · 2 cores · base 0.7 GHz · max 2.5 GHz (Low Power Efficient-core Max Turbo Frequency; not sustained all-core)Only explicit populated manufacturer core groups; per-group threads remain null unless directly published.

CLOCK & CACHE

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Clock Speed2 / 5.1 GHz
Cache
Meaning & limits

Cache can be total, per core, private or shared. Read the stated topology; total cache is not automatically L3.

24 MB
Show all 3 parameters in CLOCK & CACHE
Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Cache Topology24 MB Intel® Smart Cache · unspecified · 24 MB · scope unspecifiedOnly source-explicit cache levels and scope; unknown cache levels and sharing are not fabricated.

POWER & BATTERY

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Processor Base Power28 WProcessor power specification
Power rating / limit
Meaning & limits

Stored power rating or limit. Default TDP, processor base power and maximum turbo power describe different conditions; neither larger nor smaller is automatically better.

28 W

MEMORY & STORAGE

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
ECC Memory SupportNo · Manufacturer answer: No. Intel footnote requires system-vendor confirmation of feature availability and platform, memory, BIOS and software compatibility.CPU ECC capability; system conditions apply
Memory Profiles · 1LPDDR5/X · up to 8400 MT/sExact-SKU supported memory profiles; MT/s remains transfer rate, not physical memory clock.
Show all 3 parameters in MEMORY & STORAGE
Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Memory Profiles · 2DDR5 · up to 6400 MT/sExact-SKU supported memory profiles; MT/s remains transfer rate, not physical memory clock.

PLATFORM & HARDWARE

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
PlatformMobile
SocketFCBGA-2049
Show all 4 parameters in PLATFORM & HARDWARE
Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
iGPUArc Graphics 140T
iGPU FP32 TFLOPS
Meaning & limits

FP32 describes floating-point capability or a published reference, not a measured application result. Method and clock conditions affect interpretation.

Conditions unconfirmed4.6
Test conditions & details

Test: FP32

Score unit: TFLOPS

Version not recorded

Bars align retained values of the same metric and unit. Test conditions may be unconfirmed. The endpoint is a display scale, not a test maximum, comparable device measurement, game FPS ratio or winner.

CONNECTIVITY & EXPANSION

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Total Native PCIe Lanes28 lanesNative CPU lanes; excludes chipset lanes

BODY & DIMENSIONS

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
Package Size (L × W)-

OTHER SPECIFICATIONS

Parameters for Intel Core Ultra 7 255H
ParameterIntel Core Ultra 7 255H
ManufacturerIntel

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