Intel Core i5-1240U vs Intel Core i9-12900H. Specifications, performance, tests

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

• Family
  Intel Core i5 Intel Core i9
• CPU group
  Intel Core i 1200P/1200U Intel Core i 12000H
• Segment
  Mobile Mobile
• Generation
  12 12
• Predecessor
  -- Intel Core i9-11900H

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 14 / 20
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  2x Golden Cove 6x Golden Cove
• B-Core
  8x Gracemont 8x Gracemont
• Frequency
  1.10 GHz 2.50 GHz
• Turbo (1 Core)
  4.40 GHz 5.00 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 96 (Alder Lake)
• GPU frequency
  0.25 GHz 0.40 GHz
• GPU (Turbo)
  0.90 GHz 1.45 GHz
• Execution units
  80 96
• Shader
  640 768
• 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 i9-12900H and Intel Core i5-1240U. 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 i5-1240U and Intel Core i9-12900H to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  9 W 45 W
• TDP (PL2)
  29 W 115 W
• Tjunction max.
  100 °C 100 °C

Information on architecture, interfaces, and additional instructions supported by Intel Core i5-1240U and Intel Core i9-12900H, 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, AVX2+
• L2-Cache
  6.50 MB 11.50 MB
• L3-Cache
  12.00 MB 24.00 MB
• Architecture
  Alder Lake U Alder Lake H
• 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