AMD Athlon II X4 645 vs Intel Celeron G1620

Let's find out which one of Intel Celeron G1620 and AMD Athlon II X4 645 is of a more recent generation, and what segment it belongs to.

• Name
  Intel Celeron G1620 AMD Athlon II X4 645
• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Celeron AMD Athlon II
• Generation
  3 1
• CPU group
  Intel Celeron G1000 AMD Athlon II X4 (Propus)

In this block we are going to compare Intel Celeron G1620 vs AMD Athlon II X4 645 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
  2.70 GHz 3.10 GHz
• Overclocking
  No No
• Core architecture
  normal normal

Common specifications for integrated graphics cards in Intel Celeron G1620 and AMD Athlon II X4 645 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  Intel HD Graphics (Ivy Bridge GT1) no iGPU
• GPU frequency
  0.65 GHz
• GPU (Turbo)
  1.05 GHz No turbo
• Execution units
  6
• Shader
  48
• Max. displays
  3
• Generation
  7
• Technology
  22 nm
• Release date
  Q4/2012

Let's compare the support of video codecs between Intel Celeron G1620 and AMD Athlon II X4 645. 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
  Decode / Encode No
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  Decode / Encode No
• VC-1
  Decode No
• JPEG
  Decode No

To choose the best model between Intel Celeron G1620 and AMD Athlon II X4 645 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
• ECC
  No No
• Memory channels
  2 2 (Dual Channel)

Let's find out what TDP value would be better for Intel Celeron G1620 or AMD Athlon II X4 645? 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)
  55 W 95 W

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Celeron G1620 and AMD Athlon II X4 645 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-d AMD-V
• ISA extensions
  SSE4.1, SSE4.2 MMX, 3DNow!, SSE3, SSE4a
• L2-Cache
  -- 2.00 MB
• L3-Cache
  2.00 MB --
• Architecture
  Ivy Bridge S Propus
• Technology
  22 nm 45 nm
• Socket
  LGA 1155 AM3
• Release date
  Q1/2013 Q3/2010