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'''ZhangJiang''' is the successor to {{via|Isaiah II|l=arch}}, a [[28 nm]] [[x86]] microarchitecture designed by [[Zhaoxin]] for mainstream laptops, desktops, and servers.
 
'''ZhangJiang''' is the successor to {{via|Isaiah II|l=arch}}, a [[28 nm]] [[x86]] microarchitecture designed by [[Zhaoxin]] for mainstream laptops, desktops, and servers.
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== Brands ==
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{| class="wikitable"
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! Family !! Series !! Description
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|-
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| {{zhaoxin|KaiXian}} || C/C+ (4000) || Desktop, Laptops
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|-
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| {{zhaoxin|Kaisheng}} || C+ (4000) || Storage, Servers
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|}
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== Process Technology ==
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ZhangJiang is manufactured on [[HLMC]]'s [[28 nm process]].
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== Architecture ==
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It is believed that this architecture is largely based on VIA's {{via|Isaiah II|l=arch}}.
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=== Key changes from {{via|Isaiah II|l=arch}} ===
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* {{via|Advanced Cryptography Engine}}
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** Support for Chinese Hash Algorithms [[SM3]] and [[SM4]]
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{{expand list}}
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==== New instructions ====
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ZhangJiang introduced a number of {{x86|extensions|new instructions}}:
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* {{x86|SM3|<code>SM3</code>}} - [[Hardware acceleration]] for SM3 hashing operations
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* {{x86|SM4|<code>SM4</code>}} - Hardware acceleration for SM4 hashing operations
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== Die ==
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* TSMC's [[28 nm process]]
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* 300,000,000 transistors

Latest revision as of 20:12, 15 September 2021

Edit Values
ZhangJiang µarch
General Info
Arch TypeCPU
DesignerZhaoxin
ManufacturerTSMC
Introduction2015
Process28 nm
Core Configs2, 4, 8
Pipeline
TypeSuperscalar
OoOEYes
SpeculativeYes
Reg RenamingYes
Instructions
ISAx86-64
Succession

ZhangJiang is the successor to Isaiah II, a 28 nm x86 microarchitecture designed by Zhaoxin for mainstream laptops, desktops, and servers.

Brands[edit]

Family Series Description
KaiXian C/C+ (4000) Desktop, Laptops
Kaisheng C+ (4000) Storage, Servers

Process Technology[edit]

ZhangJiang is manufactured on HLMC's 28 nm process.

Architecture[edit]

It is believed that this architecture is largely based on VIA's Isaiah II.

Key changes from Isaiah II[edit]

This list is incomplete; you can help by expanding it.

New instructions[edit]

ZhangJiang introduced a number of new instructions:

Die[edit]

codenameZhangJiang +
core count2 +, 4 + and 8 +
designerZhaoxin +
first launched2015 +
full page namezhaoxin/microarchitectures/zhangjiang +
instance ofmicroarchitecture +
instruction set architecturex86-64 +
manufacturerTSMC +
microarchitecture typeCPU +
nameZhangJiang +
process28 nm (0.028 μm, 2.8e-5 mm) +