Cyrix MII-300GP (66 MHz 2.2V)

CPU Information

General information
TypeCPU / Microprocessor
FamilyCyrix MII
CPU part numberMII-300GP (66 MHz 2.2V)
Frequency (MHz)  ? 233 (rated 300)
Bus speed (MHz)  ? 66
Clock multiplier  ? 3.5
Package296-pin Staggered Ceramic Pin Grid Array with heatspreader
1.952" x 1.952" (4.96 cm x 4.96 cm)
SocketSocket 7
Introduction date14-Apr-98
Price at introduction$180
 
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-300GP (66 MHz 2.2V)

233 MHz (300 MHz rating, 66 MHz bus)
296-pin staggered ceramic PGA
2.2V core voltage
Cyrix MII-300GP (66 MHz 2.2V)

Benchmarks

Tested processor
CPU ID:0601h
CPU vendor string:CyrixInstead
 
Motherboard Tekram P5M4-M+ (PC-DOS)
Dhrystone 2.1 (VAX MIPS)178.21
Doom 1.9s high detail (FPS)89.48
Doom 1.9s low detail (FPS)142
Linpack 100x100 (MFLOPS)24.62
Whetstone (KWIPS)73.07
 
Motherboard Tekram P5M4-M+ (Win98)
Sandra Dhrystone (MIPS)647
Sandra MultiMedia Floating Point (it/s)134
Sandra MultiMedia Integer (it/s)643
Sandra Whetstone (MFLOPS)187

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