Cyrix MII-400GP (95 MHz 2.2V)


Specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyCyrix MII
CPU part numberMII-400GP (95 MHz 2.2V) is an OEM/tray microprocessor
Frequency (MHz)  ? 285 (rated 400)
Bus speed (MHz)  ? 95
Clock multiplier  ? 3
Package296-pin Staggered Ceramic Pin Grid Array with heatspreader
1.952" x 1.952" (4.96 cm x 4.96 cm)
SocketSocket 7
 
Architecture / Microarchitecture
Data width32 bit
Floating Point UnitIntegrated
Level 1 cache size  ? 256 bytes primary code cache
64 KB unified data/code write-back cache
Physical memory (GB)4
FeaturesMMX technology
Low power features
  • Suspend mode
  • Stop clock mode
  • System Management mode
 
Electrical/Thermal parameters
V core (V)  ? 2.2
Min/Recommended/Max V I/O or secondary (V)3.135 / 3.3 / 3.465
Minimum/Maximum operating temperature (°C)  ? 0 - 70

Pictures (1)

Cyrix MII-400GP (95 MHz 2.2V)

285 MHz (400 MHz rating, 95 MHz bus)
296-pin staggered ceramic PGA
2.2V core voltage
Cyrix MII-400GP (95 MHz 2.2V)

Benchmarks

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Tested processor
CPU ID:0601h
CPU vendor string:CyrixInstead

Integer performance

Part number   Result
Intel Celeron 266MHz CELERON 266  ? 
113.9%
AMD K6-2 400MHz AMD-K6-2/400AFQ  ? 
108.2%
Cyrix MII MII-433GP (100 MHZ 2.2V)  ? 
105.4%
AMD K6-2 380MHz AMD-K6-2/380AFR  ? 
103%
Intel Pentium II 233MHz 80522PX233512  ? 
100.5%
Cyrix MII 285MHz MII-400GP (95 MHZ 2.2V)  ? 
100%
AMD K6-III 333MHz AMD-K6-III/333AFR  ? 
96.2%
AMD K6-2 350MHz AMD-K6-2/350AFR  ? 
95.6%
Cyrix MII MII-350GP (90 MHZ 2.9V) (ES)  ? 
94.6%
AMD K6-2 350MHz AMD-K6-2/350 (2.2V ENGINEERING SAMPLE)  ? 
93.8%
Cyrix MII MII-333GP (66 MHZ 2.2V)  ? 
93.3%

Floating Point performance

Part number   Result
AMD K6-2 266MHz AMD-K6-2/266AFR  ? 
139.3%
AMD K6-2 266MHz AMD-K6 3D/266AFR  ? 
138.4%
Intel Pentium II 233MHz 80522PX233512  ? 
134.9%
AMD K6-2 233MHz AMD-K6-2/233AFR  ? 
121.4%
Cyrix MII MII-433GP (100 MHZ 2.2V)  ? 
105.7%
Cyrix MII 285MHz MII-400GP (95 MHZ 2.2V)  ? 
100%
Cyrix MII MII-350GP (90 MHZ 2.9V) (ES)  ? 
94.8%
Cyrix MII MII-333GP (66 MHZ 2.2V)  ? 
93.4%
Cyrix MII 263MHz MII-333GP (75 MHZ 2.9V)  ? 
92.1%
Cyrix MII 250MHz MII-366GP (100 MHZ 2.9V)  ? 
87.8%
Cyrix MII 250MHz MII-333GP (83 MHZ 2.9V FCPGA)  ? 
87.3%

MMX / SSE / SSE2 performance

Part number   Result
Intel Celeron 266MHz CELERON 266  ? 
310.6%
Intel Celeron 266MHz CELERON 266  ? 
310.6%
Intel Pentium II 233MHz 80522PX233512  ? 
273.7%
Intel Pentium II 233MHz 80522PX233512EC  ? 
273.4%
Cyrix MII MII-433GP (100 MHZ 2.2V)  ? 
105.5%
Cyrix MII 285MHz MII-400GP (95 MHZ 2.2V)  ? 
100%
Cyrix MII MII-350GP (90 MHZ 2.9V) (ES)  ? 
94.6%
Cyrix MII MII-333GP (66 MHZ 2.2V)  ? 
93.3%
Cyrix MII 263MHz MII-333GP (75 MHZ 2.9V)  ? 
92%
Cyrix MII 250MHz MII-333GP (83 MHZ 2.9V)  ? 
90.8%
Cyrix MII MII-333GP (83 MHZ 2.9V) (ES)  ? 
90.7%

CPU ID

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