Processor Intel Core i7-1255U, specifications and benchmarks

General information about the processor Intel Core i7-1255U

• Family
  Intel Core i7
• CPU group
  Intel Core i 1200P/1200U
• Segment
  Mobile
• Generation
  12
• Predecessor
  --
• Successor
  --

Intel Core i7-1255U Processor performance parameters, CPU capabilities

• CPU Cores / Threads
  10 / 12
• Core architecture
  hybrid (big.LITTLE)
• A-Core
  2x Golden Cove
• B-Core
  8x Gracemont
• C-Core
  --
• Frequency
  1.70 GHz
• Turbo (1 Core)
  4.70 GHz
• Turbo (10 Cores)
  2.70 GHz
• Hyperthreading
  Yes
• Overclocking
  No

Built-in graphics chip characteristics

• GPU name
  Intel Iris Xe Graphics 96 (Alder Lake)
• GPU frequency
  0.35 GHz
• GPU (Turbo)
  1.25 GHz
• Execution units
  96
• Shader
  768
• Max. GPU Memory
  64 GB
• Max. displays
  4
• Generation
  13
• Direct X
  12.1
• Technology
  10 nm
• Release date
  Q1/2022

Built-in support for video and image compression standards

• h265 / HEVC (8 bit)
  Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode
• h264
  Decode / Encode
• VP8
  Decode
• VP9
  Decode / Encode
• AV1
  Decode
• AVC
  Decode / Encode
• VC-1
  Decode
• JPEG
  Decode / Encode

Technical characteristics of supported memory, PCI bus

• Memory type
  DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
• Max. Memory
  64 GB
• Memory channels
  2
• ECC
  No
• PCIe
  4.0 x 28
• AES-NI
  Yes

• TDP (PL1)
  15 W
• TDP (PL2)
  55 W
• TDP up
  --
• TDP down
  --
• Tjunction max.
  100 °C

Technical capabilities of the processor, information

• Instruction set (ISA)
  x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2
• L2-Cache
  6.50 MB
• L3-Cache
  12.00 MB
• Architecture
  Alder Lake U
• Technology
  10 nm
• Virtualization
  VT-x, VT-x EPT, VT-d
• Socket
  BGA 1744
• Release date
  Q1/2022
• Part Number
  --

Common positions Intel Core i7-1255U CPU in popular benchmarks, for comparison with other models.

• Cinebench R23 (Single-Core)
  54 place
• Cinebench R23 (Multi-Core)
  220 place
• Geekbench 5, 64bit (Single-Core)
  184 place
• Geekbench 5, 64bit (Multi-Core)
  472 place
• iGPU - FP32 Performance (Single-precision GFLOPS)
  121 place