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HiSilicon is a Chinese fabless semiconductor company based in Shenzhen, Guangdong and wholly owned by Huawei. HiSilicon purchases licenses for CPU designs from ARM Holdings, including the ARM Cortex-A9 MPCore, ARM Cortex-M3, ARM Cortex-A7 MPCore, ARM Cortex-A15 MPCore, ARM Cortex-A53, ARM Cortex-A57 and also for their Mali graphics cores. HiSilicon has also purchased licenses from Vivante Corporation for their GC4000 graphics core.

HiSilicon is reputed to be the largest domestic designer of integrated circuits in China. In 2020, the U.S. instituted rules that require American firms providing certain equipment to HiSilicon or non-American firms who use American technologies that supply HiSilicon to have licenses and Huawei announced it will stop producing its Kirin chipset from September 15, 2020 onwards.

HiSilicon (Shanghai) Technologies CO., Ltd
HiSilicon (Shanghai) Technologies CO., Ltd is a fabless semiconductor and IC design company, providing comprehensive connectivity and multimedia chipset solutions to the market. The company also paves the way for innovations in networking and ultra-HD video technologies. Its chipset solutions service for high-speed communications, smart devices, and IoT to video applications, etc.

HiSilicon Technologies Co Ltd
HiSilicon Technologies Co. Ltd. manufactures semiconductor products. The Company designs, develops, produces, and provides network monitoring chips, video-phone chips, and other chips for wireless networks, fixed networks, and digital media fields. HiSilicon Technologies also offers technology solutions.

History
Shenzhen HiSilicon Semiconductor Co., Ltd. was Huawei's ASIC Design Center, which was founded in 1991. After more than 10 years of development, HiSilicon has grown into an independent chip supplier that can provide customers with wireless terminal solutions, optical network solutions, digital media solutions, digital TV solutions and communication network solutions. By the end of 2005, a total of more than 100 chip designs have been completed, of which more than 60 have been mass-produced and are widely used in various communication network products.


 * 1993- HiSilicon's first digital ASIC was successfully developed.
 * 1996- HiSilicon successfully developed its first 100,000-gate ASIC.
 * 1998- HiSilicon's first digital-analog hybrid ASIC was successfully developed.
 * 2000- HiSilicon successfully developed its first million-gate ASIC.
 * 2001- The WCDMA base station kit was successfully developed.
 * 2002- The first COT chip of HiSilicon was successfully developed.
 * 2003- HiSilicon successfully developed its first tens of millions of gates ASIC.
 * 2004-	Shenzhen HiSilicon Semiconductor Co., Ltd. was registered and the company was formally established.
 * 2016- Kirin960 designed be HiSilicon was awarded as one of 'best of Android 2016' by Android Authority.
 * 2019- Shanghai HiSilicon, a wholly-owned subsidiary of Huawei was established.

Smartphone application processors
HiSilicon develops SoCs based on ARM architecture. Though not exclusive, these SoCs see preliminary use in handheld and tablet devices of its parent company Huawei.

K3V2
The first well known product of HiSilicon is the K3V2 used in Huawei Ascend D Quad XL (U9510) smartphones and Huawei MediaPad 10 FHD7 tablets. This chipset is based on the ARM Cortex-A9 MPCore fabbed at 40 nm and uses a 16 core Vivante GC4000 GPU. The SoC supports LPDDR2-1066, but actual products are found with LPDDR-900 instead for lower power consumption.

K3V2E
This is a revised version of K3V2 SoC with improved support of Intel baseband. The SoC supports LPDDR2-1066, but actual products are found with LPDDR-900 instead for lower power consumption.

Kirin 620
• supports – USB 2.0 / 13 MP / 1080p video encode

Kirin 810 and 820

 * DaVinci NPU based on Tensor Arithmetic Unit
 * Kirin 820 supported 5G NSA & SA

Kirin 920, 925 and 928
• The Kirin 920 SoC also contains an image processor that supports up to 32-megapixel

Kirin 930 and 935
• supports – SD 3.0 (UHS-I) / eMMC 4.51 / Dual-band a/b/g/n Wi-Fi / Bluetooth 4.0 Low Energy / USB 2.0 / 32 MP ISP / 1080p video encode

Kirin 950 and 955
• supports – SD 4.1 (UHS-II) / UFS 2.0 / eMMC 5.1 / MU-MIMO 802.11ac Wi-Fi / Bluetooth 4.2 Smart / USB 3.0 / NFS / Dual ISP (42 MP) / Native 10-bit 4K video encode / i5 coprocessor / Tensilica HiFi 4 DSP

Kirin 960

 * Interconnect: ARM CCI-550, Storage: UFS 2.1, eMMC 5.1, Sensor Hub: i6

Kirin 970

 * Interconnect: ARM CCI-550, Storage: UFS 2.1, Sensor Hub: i7
 * Cadence Tensilica Vision P6 DSP.
 * NPU made in collaboration with Cambricon Technologies. 1.92T FP16 OPS.

Kirin 980 & Kirin 985 5G/4G
Kirin 980 is HiSilicon's first SoC based on 7 nm FinFET technology.


 * Interconnect: ARM Mali G76-MP10, Storage: UFS 2.1, Sensor Hub: i8
 * Dual NPU made in collaboration with Cambricon Technologies.

Kirin 985 5G is the second Hislicon's 5G SoC based on 7 nm FinFET Technology.
 * Interconnect: ARM Mali-G77 MP8, Storage UFS 3.0
 * Big-Tiny Da Vinci NPU: 1x Da Vinci Lite + 1x Da Vinci Tiny

Kirin 990 4G, Kirin 990 5G & Kirin 990E 5G
Kirin 990 5G is HiSilicon's first 5G SoC based on N7 nm+ FinFET technology.


 * Interconnect
 * Kirin 990 4G: ARM Mali-G76 MP16
 * Kirin 990 5G: ARM Mali-G76 MP16
 * Kirin 990E 5G: ARM Mali-G76 MP14
 * Da Vinci NPU.
 * Kirin 990 4G: 1x Da Vinci Lite + 1x Da Vinci Tiny
 * Kirin 990 5G: 2x Da Vinci Lite + 1x Da Vinci Tiny
 * Kirin 990E 5G: 1x Da Vinci Lite + 1x Da Vinci Tiny
 * Da Vinci Lite features 3D Cube Tensor Computing Engine (2048 FP16 MACs + 4096 INT8 MACs), Vector unit (1024bit INT8/FP16/FP32)
 * Da Vinci Tiny features 3D Cube Tensor Computing Engine (256 FP16 MACs + 512 INT8 MACs), Vector unit (256bit INT8/FP16/FP32)

Kirin 9000 5G/4G & Kirin 9000E
Kirin 9000 is HiSilicon's first SoC based on 5 nm+ FinFET (EUV) technology.


 * Interconnect
 * Kirin 9000E : ARM Mali-G78 MP22
 * Kirin 9000 : ARM Mali-G78 MP24
 * Da Vinci NPU.
 * Kirin 9000E : 1x Big Core + 1x Tiny Core
 * Kirin 9000 : 2x Big Cores + 1x Tiny Core

Smartphone modems
HiSilicon develops smartphone modems which although not exclusively, these SoCs see preliminary use in handheld and tablet devices of its parent company Huawei.

Balong 700
The Balong 700 supports LTE TDD/FDD. Its specs:


 * 3GPP R8 protocol
 * LTE TDD and FDD
 * 4x2/2x2 SU-MIMO

Balong 710
At MWC 2012 HiSilicon released the Balong 710. It is a multi-mode chipset supporting 3GPP Release 9 and LTE Category 4 at GTI (Global TD-LTE Initiative). The Balong 710 was designed to be used with the K3V2 SoC. Its specs:


 * LTE FDD mode : 150 Mbit/s downlink and 50 Mbit/s uplink.
 * TD-LTE mode: up to 112 Mbit/s downlink and up to 30 Mbit/s uplink.
 * WCDMA Dual Carrier with MIMO: 84Mbit/s downlink and 23Mbit/s uplink.

Balong 720
The Balong 720 supports LTE Cat6 with 300 Mbit/s peak download rate. Its specs:


 * TSMC 28 nm HPM process
 * TD-LTE Cat.6 standard
 * Dual-carrier aggregation for the 40 MHz bandwidth
 * 5-mode LTE Cat6 Modem

Balong 750
The Balong 750 supports LTE Cat 12/13, and it is first to support 4CC CA and 3.5 GHz. Its specs:


 * LTE Cat.12 and Cat.13 UL network standards
 * 2CC (dual-carrier) data aggregation
 * 4x4 multiple-input multiple-output (MIMO)
 * TSMC 16 nm FinFET+ process

Balong 765
The Balong 765 supports 8×8 MIMO technology, LTE Cat.19 with downlink data-rate up to 1.6 Gbit/s in FDD network and up to 1.16 Gbit/s in the TD-LTE network. Its specs:


 * 3GPP Rel.14
 * LTE Cat.19 Peak data rate up to 1.6 Gbit/s
 * 4CC CA + 4×4 MIMO/2CC CA + 8×8 MIMO
 * DL 256QAM
 * C-V2X

Balong 5G01
The Balong 5G01 supports the 3GPP standard for 5G with downlink speeds of up to 2.3 Gbit/s. It supports 5G across all frequency bands including sub-6 GHz and millimeter wave (mmWave). Its specs:


 * 3GPP Release 15
 * Peak data rate up to 2.3 Gbit/s
 * Sub-6 GHz and mmWave
 * NSA/SA
 * DL 256QAM

Balong 5000
The Balong 5000 supports 2G, 3G, 4G, and 5G. Its specs:


 * 2G/3G/4G/5G Multi Mode
 * Fully compliant with 3GPP Release 15
 * Sub-6 GHz: 100 MHz x 2CC CA
 * Sub-6 GHz:Downlink up to 4.6 Gbit/s, Uplink up to 2.5 Gbit/s
 * mmWave:Downlink up to 6.5 Gbit/s, Uplink up to 3.5 Gbit/s
 * NR+LTE:Downlink up to 7.5 Gbit/s
 * FDD & TDD Spectrum Access
 * SA & NSA Fusion Network Architecture
 * Supports 3GPP R14 V2X
 * 3GB LPDDR4X

Wearable SoCs
HiSilicon develops SoCs for wearables such as truly wireless earbuds, wireless headphones, neckband earbuds, smart speakers, smart eyewear and smartwatches.

Kirin A1
The Kirin A1 was announced on September 6, 2019. It features:


 * BT/BLE dual-mode Bluetooth 5.1
 * Isochronous Dual Channel transmission technology
 * 356 MHz audio processor

Server processors
HiSilicon develops server processor SoCs based on ARM architecture.

Hi1610
The Hi1610 is HiSilicon's first generation server processor announced in 2015. It features:


 * 16x ARM Cortex-A57 at up to 2.1 GHz
 * 48 KB L1-I, 32 KB L1-D, 1MB L2/4 cores and 16MB CCN L3
 * TSMC 16 nm
 * 2x DDR4-1866
 * 16 PCIe 3.0

Hi1612
The Hi1612 is HiSilicon's second generation server processor launched in 2016. It features:


 * 32x ARM Cortex-A57 at up to 2.1 GHz
 * 48 KB L1-I, 32 KB L1-D, 1MB L2/4 cores and 32MB CCN L3
 * TSMC 16 nm
 * 4x DDR4-2133
 * 16 PCIe 3.0

Kunpeng 916 (formerly Hi1616)
The Kunpeng 916 (formerly known as Hi1616) is HiSilicon's third generation server processor launched in 2017. The Kunpeng 916 is utilized in Huawei's TaiShan 2280 Balanced Server, TaiShan 5280 Storage Server, TaiShan XR320 High-Density Server Node and TaiShan X6000 High-Density Server. It features:


 * 32x Arm Cortex-A72 at up to 2.4 GHz
 * 48 KB L1-I, 32 KB L1-D, 1MB L2/4 cores and 32MB CCN L3
 * TSMC 16 nm
 * 4x DDR4-2400
 * 2-way Symmetric multiprocessing (SMP), Each socket has 2x ports with 96 Gbit/s per port (total of 192 Gbit/s per each socket interconnects)
 * 46 PCIe 3.0 and 8x 10 GbE
 * 85 W

Kunpeng 920 (formerly Hi1620)
The Kunpeng 920 (formerly known as Hi1620) is HiSilicon's fourth generation server processor announced in 2018, launched in 2019. Huawei claim the Kunpeng 920 CPU scores more than an estimated 930 on SPECint®_rate_base2006. The Kunpeng 920 is utilized in Huawei's TaiShan 2280 V2 Balanced Server, TaiShan 5280 V2 Storage Server and TaiShan XA320 V2 High-Density Server Node. It features:


 * 32 to 64x custom TaiShan v110 cores at up to 2.6 GHz.
 * The TaiShan v110 core is a 4-way out-of-order superscalar that implements the ARMv8.2-A ISA. Huawei reports the core supports almost all the ARMv8.4-A ISA features with a few exceptions, including dot product and the FP16 FML extension.
 * The TaiShan v110 cores are likely a new core not based on ARM designs
 * 3x Simple ALUs, 1x Complex MDU, 2x BRUs (sharing ports with ALU2/3), 2x FSUs (ASIMD FPU), 2x LSUs
 * 64 KB L1-I, 64 KB L1-D, 512 KB Private L2 and 1MB L3/core Shared.
 * TSMC 7 nm HPC
 * 8x DDR4-3200
 * 2-way and 4-way Symmetric multiprocessing (SMP). Each socket has 3x Hydra ports with 240 Gbit/s per port (total of 720 Gbit/s per each socket interconnects)
 * 40 PCIe 4.0 with CCIX support, 4 USB 3.0, 2x SATA 3.0, x8 SAS 3.0 and 2 x 100 GbE
 * 100 to 200 W
 * Compression engine (GZIP, LZS, LZ4) capable of up to 40 Gib/s compress and 100 Gbit/s decompress
 * Crypto offload engine (for AES, DES, 3DES, SHA1/2, etc..) capable of throughputs up to 100 Gbit/s

Kunpeng 930 (formerly Hi1630)
The Kunpeng 930 (formerly known as Hi1630) is HiSilicon's fifth-generation server processor announced in 2019 and scheduled for launch in 2021. It features:


 * TBD custom cores with higher frequencies, support for simultaneous multithreading (SMT) and ARM's Scalable Vector Extension (SVE).
 * 64 KB L1-I, 64 KB L1-D, 512 KB Private L2 and 1 MB L3/core Shared
 * TSMC 5 nm
 * 8x DDR5

Kunpeng 950
The Kunpeng 950 is HiSilicon's sixth-generation server processor announced in 2019 and scheduled for launch in 2023.

AI acceleration
HiSilicon also develops AI Acceleration chips.

Da Vinci architecture
Each Da Vinci Max AI Core features a 3D Cube Tensor Computing Engine (4096 FP16 MACs + 8192 INT8 MACs), Vector unit (2048bit INT8/FP16/FP32) and scalar unit. It includes a new AI framework called "MindSpore", a platform-as-a-service product called ModelArts, and a lower-level library called Compute Architecture for Neural Networks (CANN).

Ascend 310
The Ascend 310 is an AI inference SoC, it was codenamed Ascend-Mini. The Ascend 310 is capable of 16 TOPS@INT8 and 8 TOPS@FP16. The Ascend 310 features:


 * 2x Da Vinci Max AI cores
 * 8x ARM Cortex-A55 CPU cores
 * 8 MB on-chip buffer
 * 16 channel video decode – H.264/H.265
 * 1 channel video encode – H.264/H.265
 * TSMC 12 nm FFC process
 * 8 W

Ascend 910
The Ascend 910 is an AI training SoC, it was codenamed Ascend-Max. which delivers 256 TFLOPS@FP16 and 512 TOPS@INT8. The Ascend 910 features:


 * 32x Da Vinci Max AI cores arranged in 4 clusters
 * 1024-bit NoC Mesh @ 2 GHz, with 128 GB/s bandwidth Read/Write per core
 * 3x 240Gbit/s HCCS ports for Numa connections
 * 2x 100Gbit/s RoCE interfaces for networking
 * 4x HBM2E, 1.2 TB/s bandwidth
 * 3D-SRAM stacked below AI SoC die
 * 1228 mm2 Total die size (456 mm2 Virtuvian AI SoC, 168 mm2 Nimbus V3 IO Die, 4x96mm 2 HBM2E, 2x110 mm2 Dummy Die)
 * 32 MB on-chip buffer
 * 128 channel video decode – H.264/H.265
 * TSMC 7+ nm EUV (N7+) process
 * 350 W

The Ascend 910 Cluster has 1024–2048 Ascend 910 chips to reach 256–512 petaFLOPS@FP16. The Ascend 910 and Ascend Cluster will be available in Q2 2019.

Similar platforms
The Kirin processors compete with products from several other companies, including:


 * R-Car by Renesas
 * Tegra by Nvidia
 * OMAP by Texas Instruments
 * Exynos by Samsung
 * Snapdragon by Qualcomm
 * Apple-designed processors by Apple
 * Atom by Intel
 * i.MX by Freescale Semiconductor
 * RK3xxx by Rockchip
 * Allwinner Axy by Allwinner
 * Helio by MediaTek