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Technical Specs

Microprocessor Unit:  

IBM Power PC "Gekko".

Manufacturing process:  

0.18 microns copper wire technology.

Clock frequency:  

405 MHz

CPU capacity:  

925 Dmips (Dhrystone 2.1).

Internal data precision:  

32-bit integer and 64-bit floating point.

External bus bandwidth:  

1.6GB/second (peak) (32-bit address, 64-bit data bus 202.5 MHz)

Internal cache:  

- L1: 32KB instruction, 32KB data (8-way) L2: 256KB (2-way)

System LSI:  


Manufacturing process:  

0.18 microns NEC embedded DRAM.

Clock frequency:  

202.5 MHz.

Embedded frame buffer:  

approx. 2MB; sustainable latency: 5ns (1T-SRAM).

Embedded texture cache:  

approx. 1MB; sustainable latency: 5ns (1T-SRAM)

Texture read bandwidth:  

12.8GB/second (peak)

Main memory bandwidth:  

3.2GB/second (peak). Color, Z-Buffer- each is 24 bits.


function fog; sub-pixel anti-aliasing; hardware light x8; alpha blending; virtual texture design; multi-texture mapping/bump/environment mapping; MIPMAP; bilinear filtering. More image-processing functions- real-time decompression of display list; hardware motion-compensation capability.

Sound processor:  

special 16-bit DSP

Instruction memory:  

8KB RAM plus 8KB ROM

Data memory:  

8KB RAM plus 4KB ROM

Clock frequency:  

101.25 MHz

Maximum number of simultaneously produced sounds:  

ADPCM: 64 channels.

Sampling frequency:  

48 KHz

System floating-point arithmetic capability:  

13Gflops (peak), (MPU, geometry engine, hardware lighting total)

Actual display capacity:  

6 to 12 million polygons/second (display capability assuming actual game with complexity model, texture, and so on)

System main memory:  

24MB sustainable latency: 10ns or lower (1T-SRAM)


16MB RAM (100-MHz DRAM)

Disc drive:  

CAV (Constant Angular Velocity) system, average access time 128ms, data-transfer speed 16 to 25 mbps


8 cm Nintendo Gamecube disc based on Matsushita's Optical Disc technology; approx. 1.5GB capacity


controller port x4; Digicard slot x2; analog AV output; digital AV output; high-speed serial port x2; high-speed parallel port.

Power supply:  

- AC Adapter DC12V x 3.5A

Main unit dimensions:  

150 mm (width) x 110 mm (height) x 161 mm (depth)

System Notes/History

None at this time.

Related Links
GameCube Scans

Specs contributed by Xaer0Knight, Photo contributed by Rey.