Intel Core i7-1255U vs Qualcomm Snapdragon Microsoft SQ2. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• Family
  Intel Core i7 Qualcomm Snapdragon
• CPU group
  Intel Core i 1200P/1200U Qualcomm Snapdragon SQ1/SQ2
• Segment
  Mobile Mobile
• Generation
  12 1

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• CPU Cores / Threads
  10 / 12 8 / 8
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  2x Golden Cove 4x Kryo 495 Gold
• B-Core
  8x Gracemont 4x Kryo 495 Silver
• Frequency
  1.70 GHz 1.80 GHz
• Turbo (1 Core)
  4.70 GHz 3.15 GHz
• Hyperthreading
  Yes No
• Overclocking
  No No

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU name
  Intel Iris Xe Graphics 96 (Alder Lake) Qualcomm Adreno 690
• GPU frequency
  0.35 GHz
• GPU (Turbo)
  1.25 GHz No turbo
• Execution units
  96 0
• Shader
  768 0
• Max. GPU Memory
  64 GB --
• Max. displays
  4 0
• Generation
  13 6
• Direct X
  12.1 12.0
• Technology
  10 nm 7 nm
• Release date
  Q1/2022 Q4/2020

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP8
  Decode Decode / Encode
• VP9
  Decode / Encode Decode
• AV1
  Decode No
• AVC
  Decode / Encode Decode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Qualcomm Snapdragon Microsoft SQ2 and Intel Core i7-1255U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 LPDDR4X-2133
• Max. Memory
  64 GB 16 GB
• Memory channels
  2 8
• ECC
  No No
• PCIe
  4.0 x 28
• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Core i7-1255U and Qualcomm Snapdragon Microsoft SQ2 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

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

Architecture, interfaces, additional instructions supported by Intel Core i7-1255U and Intel Core i7-1255U, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) ARMv8-A64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2
• L2-Cache
  6.50 MB --
• L3-Cache
  12.00 MB --
• Architecture
  Alder Lake U Kryo 495
• Technology
  10 nm 7 nm
• Virtualization
  VT-x, VT-x EPT, VT-d None
• Socket
  BGA 1744 N/A
• Release date
  Q1/2022 2020