Qualcomm Snapdragon 855 Plus
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CPU overview Qualcomm Snapdragon 855 Plus ( C/T). Kryo 485, 7 nm, TDP.

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Qualcomm Snapdragon 855 Plus

Qualcomm Snapdragon 855 Plus

Qualcomm Snapdragon 855 Plus is a processor released on Q4/2018. It has a clock speed of GHz and supports LPDDR4X-4266 type of RAM. The N/A socket connects the processor to the motherboard. With cores and threads, this processor can handle multiple tasks simultaneously, providing high performance. The cooling thermal power requirement is W. The Kryo 485 architecture ensures high performance and reliability, making this processor an ideal choice for those dealing with tasks requiring high computing power. Qualcomm Snapdragon 855 Plus is a Mobile processor with a TDP of W. Thanks to the 7 nm nm manufacturing process, it can operate at a base clock speed of GHz and reach a maximum core clock speed of GHz. This processor also supports various types of memory, including LPDDR4X-4266, making it versatile and suitable for a wide range of applications. The 2.00 MB L2 cache and 3.00 MB L3 cache provide fast and efficient task execution, further improving performance.
Complete list of technical specifications
CPU generation and family

Let's start our review of the Qualcomm Snapdragon 855 Plus processor by exploring its basic specifications, namely: the model code name, the segment of use (server, workstation, computer or laptop), the generation of the processor (its previous model), and the family group. All data is taken from the manufacturer's official source.

  • Name
    Qualcomm Snapdragon 855 Plus
  • Family
    Qualcomm Snapdragon
  • CPU group
    Qualcomm Snapdragon 855/860
  • Segment
  • Generation
  • Successor
    Qualcomm Snapdragon 860
CPU Cores and Base Frequency

Technical information about the CPU Qualcomm Snapdragon 855 Plus base clock frequency, number of processor cores, processor threads, as well as turbo frequency of cores in single-threaded and multithreaded mode. Pay attention to overclocking and hyperthreading support. All of these specifications directly affect the performance of the model in work applications or games. A higher values, more the faster will be the processor.

  • CPU Cores / Threads
    8 / 8
  • Core architecture
    hybrid (Prime / big.LITTLE)
  • A-Core
    1x Kryo 485 Prime
  • B-Core
    3x Kryo 485 Gold
  • C-Core
    4x Kryo 485 Silver
  • Hyperthreading / SMT
  • Overclocking
  • A-Core Frequency
    2.96 GHz
  • B-Core Frequency
    2.42 GHz
  • C-Core Frequency
    1.80 GHz
Internal Graphics

Integrating a graphics core into the processor complements its functionality, but not all manufacturers (AMD or Intel) integrate iGPU into their CPUs. Even if the processor has an integrated graphics card, its power is hardly enough for modern games, so these features do not affect the overall performance of the processor. If Qualcomm Snapdragon 855 Plus supports an integrated graphics core, you can see its specifications below.

  • GPU name
    Qualcomm Adreno 640
  • GPU frequency
    0.25 GHz
  • GPU (Turbo)
    0.68 GHz
  • Execution units
  • Shader
  • Max. GPU Memory
    4 GB
  • Max. displays
  • Generation
  • Direct X
  • Technology
    7 nm
  • Release date
Hardware codec support

Hardware codecs help processors convert blocks of data into a sequence of images or sound. In modern processors, the need to support hardware codecs is not a priority, so these characteristics are not considered in the overall Qualcomm Snapdragon 855 Plus performance rating.

  • h265 / HEVC (8 bit)
    Decode / Encode
  • h265 / HEVC (10 bit)
    Decode / Encode
  • h264
    Decode / Encode
  • VP8
    Decode / Encode
  • VP9
    Decode / Encode
  • AV1
  • AVC
  • VC-1
  • JPEG
Memory & PCIe

Memory specifications for Qualcomm Snapdragon 855 Plus play a crucial role in overall performance and ranking, so it's essential to understand the memory format supported by the processor Qualcomm Snapdragon 855 Plus in terms of memory type and maximum quantity for compatibility with the motherboard. Don't forget to consider the PCI Express version; the higher, the better. Additionally, you can find information on the maximum number of memory channels supported by the processor and the number of PCIe lanes here.

  • Memory type
  • Max. Memory
    16 GB
  • Memory channels
    4 (Quad Channel)
  • ECC
  • AES-NI
Thermal Management

Thermal management is an essential aspect to consider when it comes to CPU performance. Overheating may damage the processor, while optimal temperature levels can enhance its performance. Qualcomm Snapdragon 855 Plus processors are equipped with thermal monitoring technologies to ensure stable system operation, prevent overheating, and automatically adjust power consumption to maintain the best balance of performance and power usage.

Technical details

To gain a comprehensive understanding of the Qualcomm Snapdragon 855 Plus processor, it's important to examine several key factors. Firstly, take note of the supported ISA (Instruction Set Architecture) instructions, as this will determine the processor's capabilities and compatibility with certain software. Secondly, make sure to check the compatibility with motherboards, as some processors may only work with certain types of motherboards. Thirdly, pay attention to the manufacturing process technology, as this can greatly impact the processor's performance and efficiency. Finally, it's crucial to consider the size of the L2 and L3 cache, as the larger the cache size, the faster the data can be processed and retrieved.

  • Technology
    7 nm
  • Chip design
  • Socket
  • L2-Cache
    2.00 MB
  • L3-Cache
    3.00 MB
  • Architecture
    Kryo 485
  • Operating systems
  • Virtualization
  • Instruction set (ISA)
    ARMv8-A64 (64 bit)
  • Release date
  • Part Number
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