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Cyrix MediaGX
  Cyrix Gx86 GX-133BP
  Cyrix MediaGX GX-120BP
  Cyrix MediaGX GX-133BP
  Cyrix MediaGX GX-150BP
  Cyrix MediaGX GXI-166BP
  Cyrix MediaGX GXI-180BP
  Cyrix MediaGX GXI-180BP (silver)
  Cyrix MediaGX GXm-233BP
  Cyrix MediaGX GXm-266BP
  Cyrix MediaGX GXm-180GP
  Cyrix MediaGX GXm-200GP
  Cyrix MediaGX GXm-200GP 85C
  Cyrix MediaGX GXm-233GP
  Cyrix MediaGX GXm-266GP
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The Cyrix MediaGX Processor
In 1996 Cyrix released the MediaGX CPU, which integrated all of the major discrete components of a PC, including memory controller, graphics, sound and PCI controller, onto a single chip. Initially based on the old 5x86 technology and running at 120 or 133 MHz, its performance was widely criticized but its low price made it quite successful. Though it required a special motherboard and was not pin compatible with the Pentium, it was the cheapest route into a Pentium class system available on the market. Later versions of the MediaGX ran at speeds of up to 333 MHz and added MMX support. A second chip was added to extend its video capabilities.
 
The MediaGX led to Cyrix's first big win, when Compaq used it in its lowest-priced Presario computers. This led to further MediaGX sales to Packard Bell and also seemed to give Cyrix legitimacy, as 6x86 sales to Packard Bell and eMachines quickly followed.
 
But because it seemed to have so much potential in the low-cost market, it dragged Cyrix's attention away from the main market - high-performance desktop parts - and attracted the interest of other companies, notably National Semiconductor, which bought Cyrix in July 1997 largely on the strength of the MediaGX design, and over the next year or so proceeded to mismanage the company into oblivion.
 
References:  Official Announcement  MediaGX Processor FAQ  Press Tour  Architecture Overview
Cyrix Gx86 GX-133BP
Cyrix Gx86 GX-133BP Top Side
Cyrix
Gx86
GX-133BP
3.6V
(C)(M)1995 Cyrix USA
CANADA
G8KA5649X
Cyrix Gx86 GX-133BP Back Side
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Core Frequency:133 MHz
Board Frequency:66 MHz
Clock Multiplier:2.0
Circuit Size:0.35
Voltage:3.6 V
Manufactured:week 49/1996
Made in:Canada
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GX-120BP
Cyrix MediaGX GX-120BP Top Side
Cyrix
MediaGX
PROCESSOR
GX-120BP 3.3 or 3.6V
(C)(M) 1995 Cyrix USA
CANADA
G8KA5704L
Cyrix MediaGX GX-120BP Back Side
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Core Frequency:120 MHz
Board Frequency:60 MHz
Clock Multiplier:2.0
Circuit Size:0.35
Voltage:3.3 V
Introduced:June 6, 1997
Manufactured:week 04/1997
Made in:Canada
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GX-133BP
Cyrix MediaGX GX-133BP Top Side
Cyrix
MediaGX
PROCESSOR
GX-133BP 3.6V
(C)(M) 1996 Cyrix USA
CANADA
GBKD8707N
Cyrix MediaGX GX-133BP Back Side
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Core Frequency:133 MHz
Board Frequency:66 MHz
Clock Multiplier:2.0
Circuit Size:0.35
Voltage:3.3 V
Introduced:June 6, 1997
Manufactured:week 07/1997
Made in:Canada
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GX-150BP
Cyrix MediaGX GX-150BP Top Side
Cyrix
MediaGX
PROCESSOR
GX-150BP 5X 3.6V
(C)(M) 1996 Cyrix USA
CANADA
GBKJ9738
Cyrix MediaGX GX-150BP Back Side
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Core Frequency:150 MHz
Board Frequency:60 MHz
Clock Multiplier:2.5
Circuit Size:0.35
Voltage:3.3 V
Introduced:June 6, 1997
Manufactured:week 38/1997
Made in:Canada
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GXI-166BP
Cyrix MediaGX GXI-166BP Top Side
Cyrix
MediaGX
PROCESSOR
GXI-166BP 2.9V
(C)(M) 1995-1997 Cyrix USA
CANADA
GAKC5749B
Cyrix MediaGX GXI-166BP Back Side
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Core Frequency:166 MHz
Board Frequency:66 MHz
Clock Multiplier:2.5
Circuit Size:0.35
Voltage:2.9 V
Introduced:June 6, 1997
Manufactured:week 49/1997
Made in:Canada
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GXI-180BP
Cyrix MediaGX GXI-180BP Top Side
Cyrix
MediaGX
PROCESSOR
GXI-180BP 2.9V
(C)(M) 1995-1997 Cyrix USA
CANADA
GAKC5747A
Cyrix MediaGX GXI-180BP Back Side
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Core Frequency:180 MHz
Board Frequency:60 MHz
Clock Multiplier:3.0
Circuit Size:0.35
Voltage:2.9 V
Introduced:June 6, 1997
Manufactured:week 47/1997
Made in:Canada
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GXI-180BP (silver)
Cyrix MediaGX GXI-180BP (silver) Top Side
Cyrix
MediaGX
PROCESSOR
GXI-180BP 2.9V
(C)(M) 1995-1997 Cyrix USA
CANADA
GAKC5814A
Cyrix MediaGX GXI-180BP (silver) Back Side
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Core Frequency:180 MHz
Board Frequency:60 MHz
Clock Multiplier:3.0
Circuit Size:0.35
Voltage:2.9 V
Introduced:June 6, 1997
Manufactured:week 14/1998
Made in:Canada
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GXm-233BP
Cyrix MediaGX GXm-233BP Top Side
Cyrix
MediaGX
PROCESSOR
MMX-ENHANCED
GXm-233BP 2.5V 85C
30157-33
(C)(M) 1995-1997 CYRIX
V5SF6934AD
Cyrix MediaGX GXm-233BP Back Side
Made by National Semiconductor
 
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Core Frequency:233 MHz
Board Frequency:66 MHz
Clock Multiplier:3.5
Circuit Size:0.35
Voltage:2.5 V
Introduced:March 18, 1998
Manufactured:week 34/1999
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GXm-266BP
Cyrix MediaGX GXm-266BP Top Side
Cyrix
MediaGX
PROCESSOR
MMX-ENHANCED
GXm-266BP 2.9V 85C
30171-53
(C)(M) 1995-1997 CYRIX
R5SF5924AB
Cyrix MediaGX GXm-266BP Back Side
Made by National Semiconductor
 
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Core Frequency:266 MHz
Board Frequency:66 MHz
Clock Multiplier:4.0
Circuit Size:0.35
Voltage:2.9 V
Manufactured:week 24/1999
L1 Cache:16 KB
Package Type:Plastic/Metal
BGA-352
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Cyrix MediaGX GXm-180GP
Cyrix MediaGX GXm-180GP Top Side
Cyrix
MediaGX
PROCESSOR
MMX-ENHANCED
GXm-180GP 2.9V
Cyrix MediaGX GXm-180GP Back Side
(C)(M)1995-1997 Cyrix USA
JAPAN
GJQBC923A
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Core Frequency:180 MHz
Board Frequency:60 MHz
Clock Multiplier:3.0
Circuit Size:0.35
Core / I/O Voltage:2.9 / 3.3 V
Introduced:June 6, 1997
Manufactured:week 23/1999
Made in:Japan
L1 Cache:16 KB
Package Type:Ceramic
PGA-296
Socket: 7
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Cyrix MediaGX GXm-200GP
Cyrix MediaGX GXm-200GP Top Side
Cyrix
MediaGX
PROCESSOR
MMX-ENHANCED
GXm-200GP 2.9V 60C
Cyrix MediaGX GXm-200GP Back Side
COPYRIGHT USA
(C)(M)1995-1997
CYRIX USA
GGKC6805F
CANADA
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Core Frequency:200 MHz
Board Frequency:66 MHz
Clock Multiplier:3.0
Circuit Size:0.25
Core / I/O Voltage:2.9 / 3.3 V
Introduced:03/1998
Manufactured:week 05/1998
Made in:Canada
L1 Cache:16 KB
Package Type:Ceramic
PGA-296
Socket: 7
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Cyrix MediaGX GXm-200GP 85C
Cyrix MediaGX GXm-200GP 85C Top Side
Cyrix
MediaGX
PROCESSOR
MMX-ENHANCED
GXm-200GP 2.2V 85C
Cyrix MediaGX GXm-200GP 85C Back Side
(C)(M)1995-1997
CYRIX
V5SK6923AB
Made by National Semiconductor
 
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Core Frequency:200 MHz
Board Frequency:66 MHz
Clock Multiplier:3.0
Circuit Size:0.25
Core / I/O Voltage:2.2 / 3.3 V
Introduced:03/1998
Manufactured:week 23/1999
L1 Cache:16 KB
Package Type:Ceramic
PGA-296
Socket: 7
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Cyrix MediaGX GXm-233GP
Cyrix MediaGX GXm-233GP Top Side
Cyrix
MediaGX
PROCESSOR
MMX-ENHANCED
GXm-233GP 2.9V
Cyrix MediaGX GXm-233GP Back Side
(C)(M)1995-1997
CYRIX
R5SK6919AB
Donated by Christian Lederer. Thanks a lot!  
Made by National Semiconductor
 
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Core Frequency:233 MHz
Board Frequency:66 MHz
Clock Multiplier:3.5
Circuit Size:0.25
Core / I/O Voltage:2.9 / 3.3 V
Introduced:03/1998
Manufactured:week 19/1999
L1 Cache:16 KB
Package Type:Ceramic
PGA-296
Socket: 7
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Cyrix MediaGX GXm-266GP
Cyrix MediaGX GXm-266GP Top Side
Cyrix
MediaGX
PROCESSOR
MMX-ENHANCED
GXm-266GP 2.9V
Cyrix MediaGX GXm-266GP Back Side
(C)(M)1995-1997
CYRIX
V3SE3836AG
Made by National Semiconductor
 
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Core Frequency:266 MHz
Board Frequency:66 MHz
Clock Multiplier:4.0
Circuit Size:0.25
Core / I/O Voltage:2.9 / 3.3 V
Introduced:03/1998
Manufactured:week 36/1998
L1 Cache:16 KB
Package Type:Ceramic
PGA-296
Socket: 7
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