Qualcomm Snapdragon 660 non LTE vs Qualcomm Snapdragon 845. 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
  5 5
• CPU group
  Qualcomm Snapdragon 660 Qualcomm Snapdragon 845

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
  1.84 GHz 1.80 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  2.20 GHz 2.80 GHz
• CPU Threads
  8 8
• Turbo (8 Cores)
  1.84 GHz 2.80 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A core
  4x Kryo 260 Gold 4x Kryo 385 Gold
• B core
  4x Kryo 260 Silver 4x Kryo 385 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 512 Qualcomm Adreno 630
• GPU frequency
  0.60 GHz 0.70 GHz
• GPU (Turbo)
  0.60 GHz No turbo
• Shader
  128 256
• Max. GPU Memory
  -- 8 GB
• Max. displays
  0 2
• Generation
  5 4
• DirectX Version
  11 11
• Technology
  14 nm 10 nm
• Release date
  Q4/2015 Q1/2018

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

Overview of the types and quantities of RAM supported by Qualcomm Snapdragon 845 and Qualcomm Snapdragon 660 non LTE. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  LPDDR4-1866 LPDDR4X-1866
• Max. Memory
  8 GB
• ECC
  No No
• Memory channels
  2 4

• AES-NI
  No No

Analyze the TDP (Thermal Design Power) requirements of Qualcomm Snapdragon 660 non LTE and Qualcomm Snapdragon 845 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 660 non LTE and Qualcomm Snapdragon 845, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• L2-Cache
  -- 0.51 MB
• L3-Cache
  -- 2.00 MB
• Architecture
  Kryo 260 Kryo 385
• Technology
  14 nm 10 nm
• Socket
  N/A N/A
• Release date
  Q2/2017 Q1/2018
• Part Number
  SDA660 SDM845