Intel Core i5-2500 vs AMD Athlon II X4 651K

Let's find out which one of AMD Athlon II X4 651K and Intel Core i5-2500 is of a more recent generation, and what segment it belongs to.

• Name
  AMD Athlon II X4 651K Intel Core i5-2500
• Family
  AMD Athlon II Intel Core i5
• CPU group
  AMD Athlon II X4 (Llano) Intel Core i 2000
• Segment
  Desktop / Server Desktop / Server
• Generation
  2 2

In this block we are going to compare AMD Athlon II X4 651K vs Intel Core i5-2500 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.

• Core architecture
  normal normal
• Overclocking
  Yes No
• Frequency
  3.00 GHz 3.30 GHz

Common specifications for integrated graphics cards in AMD Athlon II X4 651K and Intel Core i5-2500 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  no iGPU Intel HD Graphics 2000
• GPU frequency
  0.85 GHz
• GPU (Turbo)
  No turbo 1.10 GHz
• Execution units
  6
• Shader
  48
• Max. displays
  2
• Generation
  6
• Technology
  32 nm
• Release date
  Q1/2011

Let's compare the support of video codecs between AMD Athlon II X4 651K and Intel Core i5-2500. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between AMD Athlon II X4 651K and Intel Core i5-2500 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
  DDR3-1333 DDR3-1333
• Max. Memory
  16 GB 32 GB
• Memory channels
  2 (Dual Channel) 2
• ECC
  No No

Let's find out what TDP value would be better for AMD Athlon II X4 651K or Intel Core i5-2500? 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)
  100 W 95 W

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Athlon II X4 651K and Intel Core i5-2500 CPUs along with a list of ISA extensions.

• Technology
  32 nm 32 nm
• Socket
  FM1 LGA 1155
• L2-Cache
  4.00 MB --
• L3-Cache
  -- 6.00 MB
• Architecture
  Llano Sandy Bridge S
• Virtualization
  AMD-V VT-x, VT-x EPT
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, 3DNow!, SSE3, SSE4a SSE4.1, SSE4.2, AVX
• Release date
  Q4/2011 Q1/2011