Intel Core i5-1235U vs Intel Core i5-1245U. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Family
  Intel Core i5 Intel Core i5
• CPU group
  Intel Core i 1200P/1200U Intel Core i 1200P/1200U
• Segment
  Mobile Mobile
• Generation
  12 12

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• CPU Cores / Threads
  10 / 12 10 / 12
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  2x Golden Cove 2x Golden Cove
• B-Core
  8x Gracemont 8x Gracemont
• Frequency
  1.30 GHz 1.60 GHz
• Turbo (1 Core)
  4.40 GHz 4.40 GHz
• Turbo (10 Cores)
  2.50 GHz 2.20 GHz
• Hyperthreading
  Yes Yes
• Overclocking
  No No

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Intel Iris Xe Graphics 80 (Alder Lake) Intel Iris Xe Graphics 80 (Alder Lake)
• GPU frequency
  0.35 GHz 0.35 GHz
• GPU (Turbo)
  1.20 GHz 1.20 GHz
• Execution units
  80 80
• Shader
  640 640
• Max. GPU Memory
  64 GB 64 GB
• Max. displays
  4 4
• Generation
  13 13
• Direct X
  12.1 12.1
• Technology
  10 nm 10 nm
• Release date
  Q1/2022 Q1/2022

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

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

Overview of the types and quantities of RAM supported by Intel Core i5-1245U and Intel Core i5-1235U. The supported memory frequencies may vary depending on the motherboard configuration.

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

Analyze the TDP (Thermal Design Power) requirements of Intel Core i5-1235U and Intel Core i5-1245U to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

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

Information on architecture, interfaces, and additional instructions supported by Intel Core i5-1235U and Intel Core i5-1245U, including virtual machine technologies and fabrication processes.

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