AMD A4-4020 vs AMD Ryzen 7 PRO 4750U

Let's find out which one of AMD A4-4020 and AMD Ryzen 7 PRO 4750U is of a more recent generation, and what segment it belongs to.

• Name
  AMD A4-4020 AMD Ryzen 7 PRO 4750U
• Segment
  Desktop / Server Mobile
• Family
  AMD A AMD Ryzen
• Generation
  2 3
• CPU group
  AMD A4-4000 AMD Ryzen 4000U

In this block we are going to compare AMD A4-4020 vs AMD Ryzen 7 PRO 4750U 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 1.70 GHz
• CPU Cores
  2 8
• Turbo (1 Core)
  3.40 GHz 4.10 GHz
• CPU Threads
  2 16
• Hyperthreading
  No Yes
• Overclocking
  Yes No
• Core architecture
  normal normal

Common specifications for integrated graphics cards in AMD A4-4020 and AMD Ryzen 7 PRO 4750U along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  AMD Radeon HD 7480D AMD Radeon 7 Graphics (Renoir)
• GPU frequency
  0.72 GHz 1.60 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  2 7
• Shader
  128 448
• Max. GPU Memory
  2 GB 2 GB
• Max. displays
  2 3
• Generation
  4 9
• DirectX Version
  11 12
• Technology
  32 nm 7 nm
• Release date
  Q2/2012 Q1/2020

Let's compare the support of video codecs between AMD A4-4020 and AMD Ryzen 7 PRO 4750U. 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 Decode / Encode
• VP9
  No Decode / Encode
• VP8
  No Decode / Encode
• AV1
  No No
• AVC
  Decode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

To choose the best model between AMD A4-4020 and AMD Ryzen 7 PRO 4750U 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 DDR4-3200
• Max. Memory
  64 GB
• ECC
  No Yes
• Memory channels
  2 2
• PCIe version
  3.0
• PCIe lanes
  12

AES-NI encryption support for CPUs AMD A4-4020 and AMD Ryzen 7 PRO 4750U.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for AMD A4-4020 or AMD Ryzen 7 PRO 4750U? 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)
  65 W 15 W
• TDP up
  -- 25 W
• TDP down
  -- 10 W
• Tjunction max.
  -- 105 °C

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD A4-4020 and AMD Ryzen 7 PRO 4750U CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V AMD-V, SVM
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  1.00 MB 8.00 MB
• Architecture
  Richland (Piledriver) Renoir (Zen 2)
• Technology
  32 nm 7 nm
• Socket
  FM2 FP6
• Release date
  Q1/2014 Q2/2020

List of devices based on AMD A4-4020 and AMD Ryzen 7 PRO 4750U.

• Used in
  Unknown Lenovo ThinkPad L14Lenovo ThinkPad T14Lenovo ThinkPad L15