Qualcomm Snapdragon 8cx Gen. 2 vs AMD Ryzen 7 5800X. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• CPU group
  Qualcomm Snapdragon 8cx AMD Ryzen 5000
• Family
  Qualcomm Snapdragon Ryzen
• Generation
  3 4
• Predecessor
  - AMD Ryzen 7 3800X
• Segment
  Mobile Desktop
• Form Factor
  - Desktops / Boxed Processor
• Series
  - Ryzen 5000 Series

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• A-Core
  4x Kryo 495 Gold -
• B-Core
  4x Kryo 495 Silver -
• Base Frequency
  1.8 GHz 3.8 GHz
• Core architecture
  hybrid (big.LITTLE) normal
• CPU Cores
  8 8
• CPU Threads
  8 16
• Hyperthreading / SMT
  No Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  2.84 GHz 4.7 GHz
• Turbo Frequency (8 Cores)
  2.84 GHz 4.4 GHz
• Max. Boost Clock
  - 4.7 GHz

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• DirectX Version
  12.0 -
• Execution units
  0 -
• Generation
  6 -
• GPU Frequency
  250 MHz -
• GPU name
  Qualcomm Adreno 690 None
• GPU Turbo
  590 MHz -
• Max. displays
  0 -
• Release date
  Q4/2020 -
• Shader
  0 -
• Technology
  7 nm -

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  No No
• H.264 / AVC
  Conflicting source values: Decode | Decode / Encode No
• h265 / HEVC (8 bit)
  Decode / Encode No
• h265 / HEVC (10 bit)
  Decode / Encode No
• JPEG
  Decode / Encode No
• VC-1
  Decode No
• VP8
  Decode / Encode No
• VP9
  Decode No

Types, channel quantity of RAM supported by AMD Ryzen 7 5800X and Qualcomm Snapdragon 8cx Gen. 2. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  - 128 GB
• Memory channels
  8 2
• Memory type
  LPDDR4X-2133 DDR4
• PCIe
  - PCIe 4.0
• PCIe lanes
  - 20
• PCIe version
  - 4.0
• System Memory Specification
  - 3200

• AES-NI
  No Yes

Compare the TDP requirements of TDP Qualcomm Snapdragon 8cx Gen. 2 and AMD Ryzen 7 5800X Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  - 90 °C
• TDP (PL1, legacy label)
  7 W 105 W
• Default TDP
  - 105 W

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 8cx Gen. 2 and AMD Ryzen 7 5800X, virtual machine technologies and process technology.

• Architecture
  Kryo 495 Vermeer (Zen 3)
• Instruction set (ISA)
  ARMv8-A64 (64 bit) x86-64 (64 bit)
• ISA extensions
  - SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  - 4 MB
• L3-Cache
  2 MB 32 MB
• Release date
  Q4/2018 2020-11-05
• Socket
  - AM4
• Technology
  7 nm TSMC 7nm FinFET
• Virtualization
  None AMD-V, SVM
• Codename
  - Vermeer