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ZhangJiang - Microarchitectures - Zhaoxin
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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]

WuDaoKou is manufactured on TSMC'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) +