Intel® Core™ i7-1255U Processor

 

Essentials

• Product Collection12th Generation Intel® Core™ i7 Processors
  
• Code NameProducts formerly Alder Lake
  
• Vertical SegmentMobile
  
• Processor Numberi7-1255U
  
• StatusLaunched
  
• Launch DateQ1'22
  
• LithographyIntel 7
  
• Recommended Customer Price$426.00

CPU Specifications

• Total Cores10
  
• # of Performance-cores2
  
• # of Efficient-cores8
  
• Total Threads12
  
• Max Turbo Frequency4.70 GHz
  
• Performance-core Max Turbo Frequency4.70 GHz
  
• Efficient-core Max Turbo Frequency3.50 GHz
  
• Cache12 MB Intel® Smart Cache
  
• Processor Base Power15 W
  
• Maximum Turbo Power55 W
  
• Minimum Assured Power12 W
  

Supplemental Information

• Embedded Options AvailableNo
  
• DatasheetView now
  

Memory Specifications

• Max Memory Size (dependent on memory type)64 GB
  
• Memory TypesUp to DDR5 4800 MT/s
  Up to DDR4 3200 MT/s
  Up to LPDDR5 5200 MT/s
  Up to LPDDR4x 4267 MT/s
  
• Max # of Memory Channels2
  
• ECC Memory Supported ‡No
  

Processor Graphics

• Processor Graphics ‡Intel® Iris® Xe Graphics eligible
  
• Graphics Max Dynamic Frequency1.25 GHz
  
• Graphics OutputeDP 1.4b, DP 1.4a, HDMI 2.1
  
• Execution Units96
  
• Max Resolution (HDMI)‡4096 x 2304 @ 60Hz
  
• Max Resolution (DP)‡7680 x 4320 @ 60Hz
  
• Max Resolution (eDP - Integrated Flat Panel)‡4096 x 2304 @ 120Hz
  
• DirectX* Support12.1
  
• OpenGL* Support4.6
  
• OpenCL* Support3.0
  
• Multi-Format Codec Engines2
  
• Intel® Quick Sync VideoYes
  
• # of Displays Supported ‡4
  
• Device ID0x46A8
  

Expansion Options

• Intel® Thunderbolt™ 4Yes
  
• Microprocessor PCIe RevisionGen 4
  
• Chipset / PCH PCIe RevisionGen 3
  
• Max # of PCI Express Lanes20
  

Package Specifications

• Sockets SupportedFCBGA1744
  
• Max CPU Configuration1
  
• TJUNCTION100°C
  
• Package Size50 x 25
  

Advanced Technologies

• Intel® Gaussian & Neural Accelerator3.0
  
• Intel® Thread DirectorYes
  
• Intel® Image Processing Unit6.0
  
• Intel® Smart Sound TechnologyYes
  
• Intel® Wake on VoiceYes
  
• Intel® High Definition AudioYes
  
• MIPI SoundWire*1.2
  
• Intel® Deep Learning Boost (Intel® DL Boost)Yes
  
• Intel® Adaptix™ TechnologyYes
  
• Intel® Speed Shift TechnologyYes
  
• Intel® Hyper-Threading Technology ‡Yes
  
• Instruction Set64-bit
  
• Instruction Set ExtensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
  
• Thermal Monitoring TechnologiesYes
  
• Intel® Flex Memory AccessYes
  
• Intel® Volume Management Device (VMD)Yes