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VIA Cyrix III Processors

 

VIA Cyrix III Joshua (2.2V)

Package
Level 1 Cache

Vcc
TCASE
370-pin SPGA w/ Integrated Heatspreader
512 bytes primary code (Branch Prediction) cache
64-KByte unified write-back cache
2.2V ± 0.1V
0°C - +70°C
Notes: This model was only ever released in prototype form.
It was in development at Cyrix when they were sold to VIA.
Core Speed
Bus Speed
333MHz
133MHz
333MHz 133MHz PR433
Core Speed
Bus Speed
350MHz
100MHz
350MHz 100MHz PR433
Core Speed
Bus Speed
366MHz
122MHz
366MHz 122MHz PR466
Core Speed
Bus Speed
400MHz
133MHz
400MHz 133MHz PR500
Core Speed
Bus Speed
433MHz
124MHz
433MHz 124MHz PR533
Core Speed
Bus Speed
450MHz
100MHz
450MHz 100MHz PR533
Core Speed
Bus Speed
466MHz
133MHz
466MHz 133MHz PR566
Core Speed
Bus Speed
500MHz
100MHz
500MHz 100MHz PR600

VIA Cyrix III Samuel (1.9-2.0V)

Package
Level 1 Cache

Vcc
TCASE
370-pin SPGA w/ Integrated Heatspreader
64 KB 4-way associative code cache
64 KB 4-way associative data cache
1.8V - 2.0V
0°C - +70°C
Core Speed
Bus Speed
466MHz
133MHz
VIA Cyrix III 466MHz
1.80V
Core Speed
Bus Speed
Vcc
500MHz
100MHz
1.8V
VIA Cyrix III 500MHz
1.80V
Core Speed
Bus Speed
Vcc
533MHz
133MHz
1.8V
VIA Cyrix III 533MHz
1.80V
Core Speed
Bus Speed
Vcc
550MHz
100MHz
1.9V
550MHz 100MHz 1.9V
VIA Cyrix III 550MHz
1.9V
Core Speed
Bus Speed
Vcc
600MHz
100MHz
1.9V
600MHz 100MHz 1.90V
VIA Cyrix III 600MHz
1.9V
Core Speed
Bus Speed
Vcc
600MHz
133MHz
1.9V
600MHz 133MHz 1.9V
Core Speed
Bus Speed
Vcc
600MHz
133MHz
2.0V
600MHz 133MHz 2.0V
Core Speed
Bus Speed
Vcc
650MHz
100MHz
2.0V
650MHz 100MHz 2.0V
Core Speed
Bus Speed
Vcc
650MHz
100MHz
1.9V
VIA Cyrix III 650MHz
1.9V
Core Speed
Bus Speed
Vcc
667MHz
133MHz
1.9V
VIA Cyrix III 667MHz
1.9V
Core Speed
Bus Speed
Vcc
667MHz
133MHz
1.9V
667MHz TD 133MHz 1.9V
Core Speed
Bus Speed
Vcc
700MHz
100MHz
???
700MHz
Core Speed
Bus Speed
Vcc
700MHz
100MHz
2.0V
VIA C3 700MHz TD
2.0V
Core Speed
Bus Speed
Vcc
733MHz
133MHz
???
733MHz
Core Speed
Bus Speed
Vcc
750MHz
100MHz
???
750MHz
Core Speed
Bus Speed
Vcc
800MHz
???
???
800MHz

VIA C3 Samuel 2 (1.6-1.65V)

Package
Level 1 Cache

Vcc
TCASE
370-pin SPGA w/ Integrated Heatspreader
64 KB 4-way associative code cache
64 KB 4-way associative data cache
1.5V - 1.7V
0°C - +85°C
Core Speed
Bus Speed
Vcc
600MHz
100MHz
1.6V
600MHz 100MHz 1.6V
Core Speed
Bus Speed
Vcc
600MHz
133MHz
1.6V
VIA C3 600AMHz
133MHz Bus
1.6V
Core Speed
Bus Speed
Vcc
650MHz
100MHz
1.5V
650AMHz 100MHz 1.5V
Core Speed
Bus Speed
Vcc
667MHz
133MHz
1.5V
667AMHz 133MHz 1.5V ES
Core Speed
Bus Speed
Vcc
700MHz
100MHz
1.6V
700MHz 100MHz 1.6V
Core Speed
Bus Speed
Vcc
733MHz
133MHz
1.6V
VIA C3 733AMHz
1.6V
Core Speed
Bus Speed
Vcc
750MHz
100MHz
1.7V
750AMHz 100MHz 1.7V ES (no heatspreader)
Core Speed
Bus Speed
Vcc
750MHz
100MHz
1.6V
750AMHz 100MHz 1.6V ES (no heatspreader)
Core Speed
Bus Speed
Vcc
750MHz
100MHz
1.6V
750MHz 100MHz 1.6V
Core Speed
Bus Speed
Vcc
800MHz
100MHz
1.6V
800MHz 100MHz 1.6V
Core Speed
Bus Speed
Vcc
800MHz
133MHz
1.6V
800AMHz 133MHz 1.6V
Core Speed
Bus Speed
Vcc
800MHz
133MHz
1.65V
VIA C3 800AMHz
133MHz Bus
1.65V

VIA C3 SAMUEL2 (EBGA)

Package
Level 1 Cache

Vcc
TCASE
368-ball EBGA
64 KB 4-way associative code cache
64 KB 4-way associative data cache
1.6V - 1.65V
0°C - +85°C
Core Speed
Bus Speed
Vcc
667MHz
133MHz
???
667MHz 133MHz
Core Speed
Bus Speed
Vcc
700MHz
100MHz
???
700MHz 100MHz
Core Speed
Bus Speed
Vcc
733MHz
133MHz
1.6V
733MHz 133MHz 1.6V ES
Core Speed
Bus Speed
Vcc
733MHz
133MHz
1.6V
733MHz 133MHz 1.6V
Core Speed
Bus Speed
Vcc
733MHz
133MHz
1.65V
733MHz 133MHz 1.65V
Core Speed
Bus Speed
Vcc
750MHz
100MHz
1.6V
750MHz 100MHz 1.6V ES
Core Speed
Bus Speed
Vcc
800MHz
133MHz
1.65V
800MHz 133MHz 1.65V
Core Speed
Bus Speed
Vcc
866MHz
133MHz
1.65V
866MHz 133MHz
Core Speed
Bus Speed
Vcc
933MHz
133MHz
???
933MHz 133MHz ???

VIA C3 EZRA (1.35V)

Package
Level 1 Cache

Vcc
TCASE
370-pin SPGA w/ Integrated Heatspreader
64 KB 4-way associative code cache
64 KB 4-way associative data cache
1.35V
0°C - +85°C
Core Speed
Bus Speed
733MHz
133MHz
VIA C3 733AMHz
1.35V
Core Speed
Bus Speed
800MHz
100MHz
800A MHz
100MHz Bus
1.35V
Core Speed
Bus Speed
800MHz
133MHz
800A MHz
133MHz Bus
1.35V
Core Speed
Bus Speed
850MHz
100MHz
850 MHz 100MHz 1.35V
Core Speed
Bus Speed
867MHz
133MHz
867A MHz 133MHz 1.35V
Core Speed
Bus Speed
900MHz
100MHz
900 MHz 100MHz 1.35V
Core Speed
Bus Speed
933MHz
133MHz
933A MHz 133MHz 1.35V
Core Speed
Bus Speed
950MHz
100MHz
950 MHz 100MHz 1.35V

VIA C3 EZRA-T (1.35V)(FCPGA-2)

Package

Level 1 Cache

Vcc
TCASE
370—pin SPGA w/ Integrated Heatspreader
Modified for Tualatin Socket compatibility
64 KB 4-way associative code cache
64 KB 4-way associative data cache
1.35V
0°C - +85°C
Core Speed
Bus Speed
800MHz
133MHz
800 MHz 133MHz 1.35V
Core Speed
Bus Speed
867MHz
133MHz
866 MHz 133MHz 1.35V
Core Speed
Bus Speed
933MHz
133MHz
933 MHz 133MHz 1.35V
Core Speed
Bus Speed
1000MHz
133MHz
1.0 GHz 133MHz 1.35V
Core Speed
Bus Speed
1133MHz
133MHz
1.13 GHz 133MHz 1.35V

VIA C3 Nehemiah (1.4-1.45V)

Package
Level 1 Cache

Vcc
TCASE
370-pin SPGA w/ Integrated Heatspreader
64 KB 4-way associative code cache
64 KB 4-way associative data cache
1.4V - 1.45V
0°C - +70°C
Core Speed
Bus Speed
Vcc
866MHz
133MHz
1.4V
VIA C3 866AMHz
1.4V
Core Speed
Bus Speed
Vcc
1.0GHz
133MHz
1.4V
1.0AGHz 133MHz 1.4V
Core Speed
Bus Speed
Vcc
1.0GHz
133MHz
1.45V
1.0GHz 133MHz 1.45V
Core Speed
Bus Speed
Vcc
1.13GHz
133MHz
???
1.13 GHz 133MHz
Core Speed
Bus Speed
Vcc
1.2GHz
133MHz
???
1.2 GHz 133MHz
Core Speed
Bus Speed
Vcc
1.3GHz
133MHz
???
1.3 GHz 133MHz
Core Speed
Bus Speed
Vcc
1.4GHz
133MHz
???
1.4 GHz 133MHz

VIA C3 Nehemiah (EBGA)

Package
Level 1 Cache

Vcc
TCASE
368-ball EBGA
64 KB 4—way associative code cache
64 KB 4-way associative data cache
1.40V
0°C - +85°C
Core Speed
Bus Speed
866MHz
133MHz
866MHz 133MHz 1.4V
Core Speed
Bus Speed
1.0GHz
133MHz
1.00GHz 133MHz 1.40V
Core Speed
Bus Speed
1.0GHz
133MHz
1.0AGHz 133MHz
1.40V S E T
Core Speed
Bus Speed
1.13GHz
133MHz
1.13GHz 133MHz 1.40V
Core Speed
Bus Speed
1.2GHz
133MHz
1.20GHz 133MHz 1.40V
Core Speed
Bus Speed
1.33GHz
133MHz
1.33GHz 133MHz 1.40V
Core Speed
Bus Speed
1.4GHz
133MHz
1.40GHz 133MHz 1.40V
Core Speed
Bus Speed
1.4GHz
133MHz
1.4AGHz 133MHz 1.40V S E T
Core Speed
Bus Speed
1.2GHz
200MHz
1.20 GHz 200MHz 1.40V
Core Speed
Bus Speed
1.33GHz
200MHz
1.30 GHz 200MHz 1.40V
Core Speed
Bus Speed
1.4GHz
200MHz
1.40 GHz 200MHz 1.40V
Core Speed
Bus Speed
   

VIA C3 LP Nehemiah

Package
Level 1 Cache

Vcc
TCASE
370-pin SPGA w/ Integrated Heatspreader
64 KB 4—way associative code cache
64 KB 4-way associative data cache
1.25V
0°C - +85°C
Core Speed
Bus Speed
1.2GHz
133MHz
1.2AGHz 133MHz 1.25V ES

VIA C3 LP Nehemiah (EBGA)

Package
Level 1 Cache

Vcc
TCASE
368-ball EBGA
64 KB 4—way associative code cache
64 KB 4-way associative data cache
1.25V
0°C - +85°C
Core Speed
Bus Speed
800MHz
133MHz
800MHz 133MHz 1.25V
Core Speed
Bus Speed
1.00GHz
133MHz
1.00GHz 133MHz 1.25V

1GigaPro

Notes: The 1GigaPro CPUs are VIA C3 CPUs, remarked by a
customer for use in their own boards.
These are remarked from more than one model of C3,
and I have grouped them together according to the C3 model.
For info common to the model, look at the relevant table above.

Samuel (CPGA)

Core Speed
Bus Speed
Vcc
600MHz
100MHz
2.0V
600MHz 100MHz 2.00V
Core Speed
Bus Speed
Vcc
600MHz
100MHz
1.9V
1GigaPro
600MHz
1.9V
Core Speed
Bus Speed
Vcc
600MHz
100MHz
2.0V
600MHz 100MHz 2.0V

Samuel 2 (EBGA)

Core Speed
Bus Speed
Vcc
667MHz
133MHz
1.6V
1GigaPro
667MHz

XP1000 Pro

Package
Level 1 Cache

Vcc
TCASE
370-pin SPGA w/ Integrated Heatspreader
64 KB 4-way associative code cache
64 KB 4-way associative data cache
1.35V
0°C - +85°C
Notes: The XP1000 Pro CPUs are VIA C3 CPUs, remarked by a
customer for use in their own boards.
Core Speed
Bus Speed
Vcc
733MHz
133MHz
1.35V
XP1000 Pro
733MHz
1.35V