Intel Atom Z3785 vs Intel Pentium 977

Let's find out which one of Intel Atom Z3785 and Intel Pentium 977 is of a more recent generation, and what segment it belongs to.

• Name
  Intel Atom Z3785 Intel Pentium 977
• Segment
  Mobile Mobile
• Family
  Intel Atom Intel Pentium
• Generation
  4 2
• CPU group
  Intel Atom Z3700 Intel Pentium 900

In this block we are going to compare Intel Atom Z3785 vs Intel Pentium 977 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

• Frequency
  1.49 GHz 1.40 GHz
• CPU Cores
  4 2
• Turbo (1 Core)
  2.41 GHz No turbo
• CPU Threads
  4 2
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  normal normal

Common specifications for integrated graphics cards in Intel Atom Z3785 and Intel Pentium 977 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  Intel HD Graphics (Bay Trail GT1) Intel HD Graphics (Sandy Bridge GT1)
• GPU frequency
  0.31 GHz 0.35 GHz
• GPU (Turbo)
  0.83 GHz 1.00 GHz
• Execution units
  4 6
• Shader
  32 48
• Max. GPU Memory
  8 GB --
• Max. displays
  2 2
• Generation
  7 6
• DirectX Version
  11.2 10.1
• Technology
  22 nm 32 nm
• Release date
  Q3/2013 Q2/2011

Let's compare the support of video codecs between Intel Atom Z3785 and Intel Pentium 977. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between Intel Atom Z3785 and Intel Pentium 977 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

• Memory type
  LPDDR3-1333 DDR3-1066DDR3-1333
• Max. Memory
  4 GB 16 GB
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  2.0
• PCIe lanes
  16

AES-NI encryption support for CPUs Intel Atom Z3785 and Intel Pentium 977.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for Intel Atom Z3785 or Intel Pentium 977? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

• TDP (PL1)
  4 W 17 W
• Tjunction max.
  90 °C 100 °C

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Atom Z3785 and Intel Pentium 977 CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2
• L3-Cache
  2.00 MB 2.00 MB
• Architecture
  Bay Trail Sandy Bridge U
• Technology
  22 nm 32 nm
• Socket
  BGA 1380 BGA 1023
• Release date
  Q2/2014 Q1/2012

List of devices based on Intel Atom Z3785 and Intel Pentium 977.

• Used in
  Unknown Unknown