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* CXD8530AQ
* CXD8530AQ
** Found on some PU-7, mostly early/launch units
** Found on some PU-7, mostly early/launch units
** Die size: 128 mm², 1M transistors
*** Not a die shrink; likely just some fixes and/or optimizations
** Comes in a metal QFP package
** Comes in a metal QFP package
* CXD8530BQ
* CXD8530BQ
** Found on some PU-7
** Found on some PU-7
** Die size: 66 mm²
*** Huge die shrink, a lot of changes
** This revision and all later revisions are implemented in standard cells as an ASIC, which means there are less visible structures on the die
** This revision and all later revisions are implemented in standard cells as an ASIC, which means there are less visible structures on the die
** This revision and all later revisions come in a plastic QFP package
** This revision and all later revisions come in a plastic QFP package
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** Found on some PU-8 and PU-16
** Found on some PU-8 and PU-16
** Die size: 66 mm²
** Die size: 66 mm²
*** Not a die shrink; likely just some fixes and/or optimizations


=== CXD8606 ===
=== CXD8606 ===
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* CXD8606Q
* CXD8606Q
** Found on some PU-8 and PU-18
** Found on some PU-8 and PU-18
** Die size: 66 mm², 850k transistors
** Die size: 46 mm², 850k transistors
*** Not a die shrink; likely just some fixes and/or optimizations
** Manufactured in 350 nm
* CXD8606AQ
* CXD8606AQ
** Found on some very late PU-8 and on some PU-18
** Found on some PU-18
** Die size: 26.5 mm²
** Die size: 21 mm²
*** Huge die shrink
* CXD8606BQ
* CXD8606BQ
** Found on some PU-20 as well as PU-22, PU-23 and earlier PM-41
** Found on some PU-20 as well as PU-22, PU-23 and earlier PM-41
** Die size: 26.5 mm²
*** Not a die shrink; likely just some fixes and/or optimizations
* CXD8606CQ
* CXD8606CQ
** Found on later PM-41
** Found on later PM-41
** Die size: 26.5 mm²
*** Not a die shrink; likely just some fixes and/or optimizations


=== CXD8661 ===
=== CXD8661 ===
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== Pictures ==
== Pictures ==
=== Comparison ===
''Relative size of these pictures is not to scale. See above or below for actual sizes.''
[[File:PS1 die sizes.jpg|left|thumb|Properly scaled comparison of die shots of most PS1 CPU revisions. Created by [https://twitter.com/Siliconinsid/ @Siliconinsid (Siliconinsider)]]]
{| class="wikitable"
|+
|-
| [[File:PE0z6bx.jpg|240px]] || [[File:UfvCXSG.jpg|240px]] || [[File:e7i00rQ.jpg|240px]] || [[File:CXD8606BQ.jpg|240px]]
|-
| Dieshot of CXD8530Q taken from Ken Kutaragis</br>presentation at Hot Chips '99. || Dieshot of CXD8530CQ taken from [https://zeptobars.com/en/read/Playstation-1-MIPS-CPU-PS1-CXD8530CQ-R3051 zeptobars.com].|| Dieshot of CXD8606Q taken from Ken Kutaragis</br>presentation at Hot Chips '99. || Dieshot of CXD8606BQ by [http://ic.onidev.fr/map/CXD8606BQ.html TICS/onidev]
|}


=== Single dice ===
''Relative size of these pictures is not to scale. See above for actual sizes.''
{| class="wikitable"
{| class="wikitable"
|+
|-
|-
| [[File:PE0z6bx.jpg|240px]] || [[File:UfvCXSG.jpg|240px]] || [[File:CXD8606BQ.jpg|240px]]
| [[File:5pM8yxC.png|240px]]
|-
|-
| Dieshot of CXD8530Q taken from Ken Kutaragis</br>presentation at Hot Chips '99. || Dieshot of CXD8530CQ taken from [https://zeptobars.com/en/read/Playstation-1-MIPS-CPU-PS1-CXD8530CQ-R3051 zeptobars.com].||  Dieshot of CXD8606BQ by [http://ic.onidev.fr/map/CXD8606BQ.html TICS/onidev]
| Comparison between CXD8530Q and CXD8606Q taken from Ken Kutaragis</br>presentation at Hot Chips '99.
|}
|}
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