Intel Core i9-12900KS vs Intel Core i9-12900E. Specifications, performance, tests

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

• Family
  Intel Core i9 Intel Core i9
• CPU group
  Intel Core i 12000 Intel Core i 12000
• Segment
  Desktop / Server Desktop / Server
• 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
  16 / 24 16 / 24
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  8x Golden Cove 8x Golden Cove
• B-Core
  8x Gracemont 8x Gracemont
• Frequency
  3.20 GHz 2.30 GHz
• Turbo (1 Core)
  5.50 GHz 5.00 GHz
• Turbo (16 Cores)
  5.00 GHz 4.00 GHz
• Hyperthreading
  Yes Yes
• Overclocking
  Yes 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 UHD Graphics 770 Intel UHD Graphics 770
• GPU frequency
  0.30 GHz 0.30 GHz
• GPU (Turbo)
  1.45 GHz 1.55 GHz
• Execution units
  32 32
• Shader
  256 256
• Max. displays
  3 3
• Generation
  11 11
• Direct X
  12 12
• Technology
  10 nm 10 nm
• Release date
  Q4/2021 Q4/2021

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 / Encode Decode / Encode
• 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 i9-12900E and Intel Core i9-12900KS. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-3200DDR5-4800 DDR4-3200DDR5-4800
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 2
• ECC
  No No
• PCIe
  5.0 x 20 5.0 x 20
• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Core i9-12900KS and Intel Core i9-12900E to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  125 W 65 W
• TDP (PL2)
  241 W 202 W
• Tjunction max.
  100 °C 100 °C

Information on architecture, interfaces, and additional instructions supported by Intel Core i9-12900KS and Intel Core i9-12900E, 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, AVX2+ SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  14.00 MB 14.00 MB
• L3-Cache
  30.00 MB 30.00 MB
• Architecture
  Alder Lake S Alder Lake S
• Technology
  10 nm 10 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Socket
  LGA 1700 LGA 1700
• Release date
  Q2/2022 Q1/2022
• Part Number
  BX8071512900K --