MediaTek is launching two new mobile chips with 10 CPU cores each, Mali-T880 graphics, and support for 4K video, among other things.

The MediaTek Helio X23 is basically an upgraded version of the Helio X20 with faster clock speeds, while the X27 is an upgraded version of the X25.

Neither is quite as impressive as the recently announced Helio X30 chip, which will be the company’s first 10nm processor, but MediaTek says the new chips should offer about 20 percent better performance than their predecessors.

mediatek-tri-cluster

All of the Helio X20 series chips are 20nm processors that support up to 4GB of LPDDR3 800 MHz RAM, display resolutions up to 2560 x 1600 pixels (at 60 fps, or 1080p screens at up to 120fps), 802.11ac WiFi, 4G LTE Cat 6, and H.265 video encoding with HDR support.

And each features 10 CPU cores arranged in three clusters. But the higher the chip number, the faster those CPU cores are. Here’s a run-down:

MediaTek Helio X20

  • 2 ARM Cortex-A72 cores @ 2.1 GHz
  • 4 ARM Cortex-A53 cores @ 1.85 GHz
  • 4 ARM Cortex-A53 cores @ 1.4 GHz
  • ARM Mali-T880 MP4 graphics @ 780 MHz

MediaTek Helio X23

  • 2 ARM Cortex-A72 cores @ 2.3 GHz
  • 4 ARM Cortex-A53 cores @ 1.85 GHz
  • 4 ARM Cortex-A53 cores @ 1.4 GHz
  • ARM Mali-T880 MP4 graphics @ 780 MHz

MediaTek Helio X25

  • 2 ARM Cortex-A72 cores @ 2.5GHz
  • 4 ARM Cortex-A53 cores @ 2 GHz
  • 4 ARM Cortex-A53 cores @ 1.55 GHz
  • ARM Mali-T880 MP4 graphics @ 850 MHz

MediaTek Helio X27

  • 2 ARM Cortex-A72 cores @ 2.6 GHz
  • 4 ARM Cortex-A53 cores @ 2 GHz
  • 4 ARM Cortex-A53 cores @ 1.6 GHz
  • ARM Mali-T880 MP4 graphics @ 875 MHz

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