Information about the AMD RX-421BD segment (for desktops or laptops) and the CPU family, along with the sales starting date.

• Name
  AMD RX-421BD
• Family
  AMD R
• CPU group
  AMD RX 1st Gen.
• Segment
  Mobile
• Generation
  1

Technical and quantitative specifications of the AMD RX-421BD: number of cores and threads, base and maximum frequencies. The higher these specifications are, the more powerful your CPU will be.

• CPU Cores / Threads
  4 / 4
• Core architecture
  normal
• Cores
  4x
• Hyperthreading / SMT
  No
• Overclocking
  No
• Frequency
  2.10 GHz
• Turbo Frequency (1 Core)
  3.40 GHz

Common specifications for the integrated graphics card in AMD RX-421BD along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  AMD Radeon R7 - 512 (Merlin Falcon)
• GPU frequency
  0.80 GHz
• GPU (Turbo)
  No turbo
• Execution units
  8
• Shader
  512
• Max. GPU Memory
  2 GB
• Max. displays
  3
• Generation
  3
• Direct X
  12
• Technology
  28
• Release date
  2015

List of video codecs supported by the AMD RX-421BD CPU. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

Memory type, clock frequency, multi-channel features, and PCIe version of the AMD RX-421BD. 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
  DDR3-2133, DDR4-2400
• Memory channels
  2 (Dual Channel)
• ECC
  Yes
• PCIe
  3 x 12
• AES-NI
  Yes

Let's find out what TDP has the AMD RX-421BD? 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)
  35 W
• TDP down
  12 W
• Tjunction max.
  90 \xc2\xb0C

Here you can find a comparison of 2nd and 3rd level cache sizes for the AMD RX-421BD CPU along with a list of ISA extensions.

• Technology
  28 nm
• Socket
  FP4
• L2-Cache
  2.00 MB
• Architecture
  Merlin Falcon (Excavator)
• Virtualization
  AMD-V, AMD-Vt
• Instruction set (ISA)
  x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• Release date
  Q4/2015
• Part Number
  RE421BAAY43KA