MediaTek Helio G99 vs Qualcomm Snapdragon 855

Let's find out which one of MediaTek Helio G99 and Qualcomm Snapdragon 855 is of a more recent generation, and what segment it belongs to.

• Name
  MediaTek Helio G99 Qualcomm Snapdragon 855
• Family
  Mediatek Helio Qualcomm Snapdragon
• CPU group
  MediaTek Helio G99 Qualcomm Snapdragon 855/860
• Segment
  Mobile Mobile
• Generation
  1 6

In this block we are going to compare MediaTek Helio G99 vs Qualcomm Snapdragon 855 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.

• Core architecture
  hybrid (big.LITTLE) hybrid (Prime / big.LITTLE)
• Overclocking
  No No

Common specifications for integrated graphics cards in MediaTek Helio G99 and Qualcomm Snapdragon 855 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  ARM Mali-G57 MP2 Qualcomm Adreno 640
• GPU frequency
  0.25 GHz 0.25 GHz
• GPU (Turbo)
  1.07 GHz 0.59 GHz
• Execution units
  2 4
• Shader
  32 384
• Max. GPU Memory
  4 GB 4 GB
• Max. displays
  2 1
• Generation
  Vallhall 1 5
• Technology
  7 nm 7 nm
• Release date
  Q2/2020 Q1/2019

Let's compare the support of video codecs between MediaTek Helio G99 and Qualcomm Snapdragon 855. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between MediaTek Helio G99 and Qualcomm Snapdragon 855 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
  LPDDR4X-4266 LPDDR4X-4266
• Max. Memory
  12 GB 16 GB
• Memory channels
  2 (Dual Channel) 4
• ECC
  No No

Let's find out what TDP value would be better for MediaTek Helio G99 or Qualcomm Snapdragon 855? 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.

Here you can find a comparison of 2nd and 3rd level cache sizes for MediaTek Helio G99 and Qualcomm Snapdragon 855 CPUs along with a list of ISA extensions.

• Technology
  6 nm 7 nm
• Socket
  N/A N/A
• L2-Cache
  -- 2.00 MB
• L3-Cache
  -- 3.00 MB
• Architecture
  Cortex-A76 / Cortex-A55 Kryo 485
• Virtualization
  None None
• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Release date
  Q3/2022 Q4/2018
• Part Number
  -- SM8150