Intel Atom E3845 vs Intel Core i9-12900K

Let's find out which one of Intel Atom E3845 and Intel Core i9-12900K is of a more recent generation, and what segment it belongs to.

• Name
  Intel Atom E3845 Intel Core i9-12900K
• Segment
  Mobile Desktop / Server
• Family
  Intel Atom Intel Core i9
• Generation
  4 12
• CPU group
  Intel Atom E3800 Intel Core i 12000
• Predecessor
  -- Intel Core i9-11900K

In this block we are going to compare Intel Atom E3845 vs Intel Core i9-12900K by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

• Frequency
  1.91 GHz 3.70 GHz
• CPU Cores
  4 16
• Turbo (1 Core)
  No turbo 5.30 GHz
• CPU Threads
  4 24
• Hyperthreading
  No Yes
• Overclocking
  No Yes
• Core architecture
  normal hybrid (big.LITTLE)
• A core
  -- 8x Golden Cove
• B core
  -- 8x Gracemont

Common specifications for integrated graphics cards in Intel Atom E3845 and Intel Core i9-12900K along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  Intel HD Graphics (Bay Trail GT1) Intel Iris Xe Graphics 32 (Alder Lake S)
• GPU frequency
  0.54 GHz 0.40 GHz
• GPU (Turbo)
  0.79 GHz 1.45 GHz
• Execution units
  4 32
• Shader
  32 256
• Max. GPU Memory
  8 GB 16 GB
• Max. displays
  2 4
• Generation
  7 12
• DirectX Version
  11.2 12
• Technology
  22 nm 10 nm
• Release date
  Q3/2013 Q4/2021

Let's compare the support of video codecs between Intel Atom E3845 and Intel Core i9-12900K. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between Intel Atom E3845 and Intel Core i9-12900K you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

• Memory type
  DDR3L-1333 SO-DIMM DDR4-3200DDR5-4800
• Max. Memory
  256 GB
• ECC
  No No
• Memory channels
  1 2
• PCIe version
  5.0
• PCIe lanes
  20

AES-NI encryption support for CPUs Intel Atom E3845 and Intel Core i9-12900K.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for Intel Atom E3845 or Intel Core i9-12900K? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

• TDP (PL1)
  10 W 125 W
• TDP (PL2)
  -- 228 W / 56 s
• Tjunction max.
  -- 100 °C

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Atom E3845 and Intel Core i9-12900K CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  -- 3.75 MB
• L3-Cache
  2.00 MB 30.00 MB
• Architecture
  Bay Trail Alder Lake S
• Technology
  22 nm 10 nm
• Socket
  BGA 1170 LGA 1700
• Release date
  Q4/2013 Q4/2021
• Part Number
  -- BX8071512900K

List of devices based on Intel Atom E3845 and Intel Core i9-12900K.

• Used in
  Unknown Unknown