AMD Phenom II X2 555 vs Intel Core i9-12900K

Let's find out which one of AMD Phenom II X2 555 and Intel Core i9-12900K is of a more recent generation, and what segment it belongs to.

• Name
  AMD Phenom II X2 555 Intel Core i9-12900K
• Segment
  Desktop / Server Desktop / Server
• Family
  AMD Phenom II Intel Core i9
• Generation
  2 12
• CPU group
  AMD Phenom II - 545 Intel Core i 12000
• Predecessor
  -- Intel Core i9-11900K

In this block we are going to compare AMD Phenom II X2 555 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
  3.20 GHz 3.70 GHz
• CPU Cores
  2 16
• Turbo (1 Core)
  No turbo 5.30 GHz
• CPU Threads
  2 24
• Hyperthreading
  No Yes
• Overclocking
  Yes Yes
• Core architecture
  normal hybrid (big.LITTLE)
• A core
  -- 8x Golden Cove
• B core
  -- 8x Gracemont

Common specifications for integrated graphics cards in AMD Phenom II X2 555 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
  no iGPU Intel Iris Xe Graphics 32 (Alder Lake S)
• GPU frequency
  0.40 GHz
• GPU (Turbo)
  No turbo 1.45 GHz
• Execution units
  32
• Shader
  256
• Max. GPU Memory
  -- 16 GB
• Max. displays
  4
• Generation
  12
• DirectX Version
  12
• Technology
  10 nm
• Release date
  Q4/2021

Let's compare the support of video codecs between AMD Phenom II X2 555 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
  No Decode / Encode
• VP9
  No Decode / Encode
• VP8
  No Decode
• AV1
  No Decode
• AVC
  No Decode / Encode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

To choose the best model between AMD Phenom II X2 555 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
  DDR2-1066 DDR4-3200DDR5-4800
• Max. Memory
  256 GB
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  5.0
• PCIe lanes
  20

AES-NI encryption support for CPUs AMD Phenom II X2 555 and Intel Core i9-12900K.

• AES-NI
  No Yes

Let's find out what TDP value would be better for AMD Phenom II X2 555 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)
  80 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 AMD Phenom II X2 555 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
  AMD-V VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE3, SSE4a SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  -- 3.75 MB
• L3-Cache
  6.00 MB 30.00 MB
• Architecture
  Callisto (K10) Alder Lake S
• Technology
  45 nm 10 nm
• Socket
  AM3 LGA 1700
• Release date
  Q2/2010 Q4/2021
• Part Number
  -- BX8071512900K

List of devices based on AMD Phenom II X2 555 and Intel Core i9-12900K.

• Used in
  Unknown Unknown