AMD A9-9420e vs AMD Phenom II X4 840T

Let's find out which one of AMD A9-9420e and AMD Phenom II X4 840T is of a more recent generation, and what segment it belongs to.

• Name
  AMD A9-9420e AMD Phenom II X4 840T
• Segment
  Mobile Desktop / Server
• Family
  AMD A AMD Phenom II
• Generation
  4 4
• CPU group
  AMD A9-9000 AMD Phenom II - 800/900

In this block we are going to compare AMD A9-9420e vs AMD Phenom II X4 840T 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
  1.80 GHz 2.90 GHz
• CPU Cores
  2 4
• Turbo (1 Core)
  2.70 GHz 3.20 GHz
• CPU Threads
  2 4
• Hyperthreading
  No No
• Overclocking
  No Yes
• Core architecture
  normal normal

Common specifications for integrated graphics cards in AMD A9-9420e and AMD Phenom II X4 840T along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  AMD Radeon R5 (Stoney Ridge) no iGPU
• GPU frequency
  0.72 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  3
• Shader
  192
• Max. GPU Memory
  2 GB --
• Max. displays
  3
• Generation
  7
• DirectX Version
  12
• Technology
  28 nm
• Release date
  Q2/2016

Let's compare the support of video codecs between AMD A9-9420e and AMD Phenom II X4 840T. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between AMD A9-9420e and AMD Phenom II X4 840T 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
  DDR4-2133 DDR2-1066
• Max. Memory
  8 GB
• ECC
  No No
• Memory channels
  1 2
• PCIe version
  3.0
• PCIe lanes
  8

AES-NI encryption support for CPUs AMD A9-9420e and AMD Phenom II X4 840T.

• AES-NI
  Yes No

Let's find out what TDP value would be better for AMD A9-9420e or AMD Phenom II X4 840T? 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)
  6 W 95 W
• Tjunction max.
  90 °C --

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD A9-9420e and AMD Phenom II X4 840T CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V AMD-V
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE3, SSE4a
• L3-Cache
  2.00 MB 6.00 MB
• Architecture
  Stoney Ridge (Excavator) Deneb (K10)
• Technology
  28 nm 45 nm
• Socket
  FP4 AM3
• Release date
  Q2/2017 Q3/2010

List of devices based on AMD A9-9420e and AMD Phenom II X4 840T.

• Used in
  Unknown Unknown