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Intel Core i7-1255U vs Intel Core i7-1265U: Comparison

Intel Core i7-1255U and Intel Core i7-1265U differ on p-core base clock: Intel Core i7-1255U at 1.7, Intel Core i7-1265U at 1.8. They match on 31 other specifications, including product line, form factor and codename.

Specs

Specification
Intel Core i7-1255U
Intel Core i7-1255U
Intel Core i7-1265U
Intel Core i7-1265U
BrandIntelIntel
Product LineCoreCore
Form FactorLaptopLaptop
Model Numberi7-1255Ui7-1265U
CodenameAlder LakeAlder Lake
Release Year20222022
TDP15 W15 W
iGPUIntel Iris Xe Graphics (reduced EU)Intel Iris Xe Graphics (reduced EU)
Market SegmentLaptopLaptop
SocketBGA 1744 (BGA, soldered)BGA 1744 (BGA, soldered)
Socket StatusMatureMature
Process Node10 nm10 nm
Performance Cores22
Efficiency Cores88
SMT Enabledtruetrue
P-Core Base Clock1.71.8
P-Core Boost Clock4.74.8
E-Core Base Clock1.21.3
E-Core Boost Clock3.53.6
L3 Cache12 MB12 MB
Base Power15 W15 W
Max Turbo Power5555
Configurable TDP Floor99
Memory TypeDDR5 or DDR4DDR5 or DDR4
Max Memory Speed48004800
Memory Channels22
Max Memory Capacity6464
ECC Supportfalsefalse
Integrated GraphicsYesYes
iGPU ModelIntel Iris Xe GraphicsIntel Iris Xe Graphics
iGPU Compute Units9696
PCIe GenerationPCIe 4.0PCIe 4.0
PCIe Lanes1010
Retail AvailabilitySoldered OnlySoldered Only
Cores1010
Threads1212
ArchitectureAlder LakeAlder Lake

Verdict

Intel Core i7-1255U

7.7 / 10 Expert Rating

The Intel Core i7-1255U prioritizes battery life and portability, fitting thin business and everyday laptops rather than performance-first designs.

Intel Core i7-1265U

7.7 / 10 Expert Rating

The Intel Core i7-1265U prioritizes battery life and portability, fitting thin business and everyday laptops rather than performance-first designs.

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