Comparing AMD RX-421BD vs AMD RX-421BD

description_compare AMD RX-421BD and AMD RX-421ND

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

CPU Cores and Base Frequency

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

• GPU name
  AMD Radeon R7 - 512 (Merlin Falcon) no iGPU
• GPU frequency
  0.80 GHz
• GPU (Turbo)
  No 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

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

• Memory type
  DDR3-2133, DDR4-2400 DDR3-2133, DDR4-2400
• Memory channels
  2 (Dual Channel) 2 (Dual Channel)
• ECC
  Yes Yes
• PCIe
  3 x 12 3 x 12
• AES-NI
  Yes Yes

• TDP (PL1)
  35 W 35 W
• TDP down
  12 W 12 W
• Tjunction max.
  90 \xc2\xb0C 90 \xc2\xb0C

• Technology
  28 nm 28 nm
• Socket
  FP4 FP4
• L2-Cache
  2.00 MB 2.00 MB
• Architecture
  Merlin Falcon (Excavator) Merlin Falcon (Excavator)
• Virtualization
  AMD-V, AMD-Vt AMD-V, AMD-Vt
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• Release date
  Q4/2015 Q4/2015
• Part Number
  RE421BAAY43KA RE421NAAY43KA