Qualcomm Snapdragon 670 vs Qualcomm Snapdragon 855. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Mobile Mobile
• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• Generation
  6 6
• CPU group
  Qualcomm Snapdragon 670 Qualcomm Snapdragon 855/860

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  1.70 GHz 1.80 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  2.00 GHz 2.84 GHz
• CPU Threads
  8 8
• Turbo (8 Cores)
  1.70 GHz 2.42 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  hybrid (big.LITTLE) hybrid (Prime / big.LITTLE)
• A core
  2x Kryo 360 Gold 1x Kryo 485 Prime
• B core
  6x Kryo 360 Silver 3x Kryo 485 Gold
• C core
  -- 4x Kryo 485 Silver

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Qualcomm Adreno 615 Qualcomm Adreno 640
• GPU frequency
  0.70 GHz 0.25 GHz
• GPU (Turbo)
  0.70 GHz 0.59 GHz
• Execution units
  0 4
• Shader
  256 384
• Max. GPU Memory
  -- 4 GB
• Max. displays
  0 1
• Generation
  6 5
• DirectX Version
  12.1 12.0
• Technology
  10 nm 7 nm
• Release date
  Q2/2018 Q1/2019

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

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

Overview of the types and quantities of RAM supported by Qualcomm Snapdragon 855 and Qualcomm Snapdragon 670. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  LPDDR4X-1866 LPDDR4X-4266
• Max. Memory
  16 GB
• ECC
  No No
• Memory channels
  2 4

• AES-NI
  No No

Analyze the TDP (Thermal Design Power) requirements of Qualcomm Snapdragon 670 and Qualcomm Snapdragon 855 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

Information on architecture, interfaces, and additional instructions supported by Qualcomm Snapdragon 670 and Qualcomm Snapdragon 855, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• L2-Cache
  -- 2.00 MB
• L3-Cache
  -- 3.00 MB
• Architecture
  Kryo 360 Kryo 485
• Technology
  10 nm 7 nm
• Socket
  N/A N/A
• Release date
  Q3/2018 Q4/2018
• Part Number
  SDM670 SM8150