Qualcomm Snapdragon 8 Gen 1 vs Intel Core i7-1255U. Specifications, performance, tests

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

• CPU group
  Qualcomm Snapdragon 8 Gen 1 Intel Core i 1200P/1200U
• Family
  Qualcomm Snapdragon Intel Core i7
• Generation
  1 12
• Predecessor
  Qualcomm Snapdragon 888 -
• Segment
  Mobile Mobile

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• A-Core
  1x Cortex-X2 2x Golden Cove
• B-Core
  3x Cortex-A710 8x Gracemont
• Base Frequency
  1.8 GHz 1.7 GHz
• C-Core
  4x Cortex-A510 -
• Core architecture
  hybrid (Prime / big.LITTLE) hybrid (big.LITTLE)
• CPU Cores
  8 10
• CPU Threads
  8 12
• Hyperthreading / SMT
  No Yes
• Overclocking
  No No
• Turbo Frequency (1 Core)
  3 GHz 4.7 GHz
• Turbo Frequency (8 Cores)
  2.5 GHz -
• Turbo Frequency (10 Cores)
  - 2.7 GHz

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

• DirectX Version
  12.1 12.1
• Execution units
  - 96
• Generation
  7 13
• GPU Frequency
  840 MHz 350 MHz
• GPU name
  Qualcomm Adreno 730 Intel Iris Xe Graphics 96 (Alder Lake)
• GPU Turbo
  No turbo 1250 MHz
• Max. displays
  - 4
• Max. GPU Memory
  - 64 GB
• Release date
  Q1/2022 Q1/2022
• Shader
  - 768
• Technology
  4 nm 10 nm

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

• AV1
  No Decode
• H.264 / AVC
  Conflicting source values: Decode | Decode / Encode Decode / Encode
• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• JPEG
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• VP8
  Decode / Encode Decode
• VP9
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i7-1255U and Qualcomm Snapdragon 8 Gen 1. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  16 GB 64 GB
• Memory channels
  4 2
• Memory type
  LPDDR5-3200 DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
• PCIe
  - 4.0 x 28

• AES-NI
  No Yes

Compare the TDP requirements of TDP Qualcomm Snapdragon 8 Gen 1 and Intel Core i7-1255U Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  - 100 °C
• TDP (PL1, legacy label)
  - 15 W
• TDP (PL2)
  - 55 W

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 8 Gen 1 and Intel Core i7-1255U, virtual machine technologies and process technology.

• Architecture
  Kryo Alder Lake U
• Instruction set (ISA)
  ARMv9-A64 (64 bit) x86-64 (64 bit)
• ISA extensions
  - SSE4.1, SSE4.2, AVX2
• L2-Cache
  2 MB 6.5 MB
• L3-Cache
  4 MB 12 MB
• Part Number
  SM8450 -
• Release date
  Q1/2022 Q1/2022
• Socket
  - BGA 1744
• Technology
  4 nm 10 nm
• Virtualization
  None VT-x, VT-x EPT, VT-d