Nintendo GameCube Specifications

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Nintendo GameCube


MPU (Microprocessor Unit): IBM PowerPC "Gekko"
  • Manufacturing process: 0.18 Microns Copper Wire Technology
  • Clock frequency: 405mhz
  • CPU capacity: 925 Dmips (Dhrystone 2.1)
  • Internal data precision: 32bit & 64bit floating point
  • External bus bandwidth: 1.6GB/second (peak), (32bit address, 64bit data bus 202.5mhz)
  • Internal cache: L1: Instruction 32KB, Data 32KB (8 way), L2: 256KB (2 way)

System LSI: "Flipper"
  • Manufacturing process: 0.18 microns NEC Embedded DRA Process
  • Clock frequency: 202.5mhz
  • 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 24bits
  • Image Processing Function: Fog, subpixel anti-aliasing, HW light x8, alpha blending, virtual texture design, multi-texture mapping/bump/environment mapping, MIPMAP, bilinear filtering, real-time texture decompression (S3TC), etc.
  • Other: Real-time decompression of display list, HW motion compensation capability

The Gekko MPU integrates the PowerPC CPU into a custom game-centric chip.

(The following sound related functions are all incorporated into the system LSI)
  • Sound processor: Special 16bit DSP
  • Instruction memory: 8KB RAM + 8KB ROM
  • Data memory: 8KB RAM + 4KB ROM
  • Clock frequency: 101.25mhz
  • Minimum number of simultaneously produced sounds: ADPCM: 64ch
  • Sampling frequency: 48khz
  • System floating point arithmetic capability: 13.0GFLOPS (peak), (MPU, Geometry Engine, HW Lighting Total)
  • Actual display capability: 6 million to 12 million polygons per second (display capability assuming actual game with complexity model, texture, etc.)
  • System main memory: 24MB sustainable latency, (10ns or lower 1T-SRAM)
  • A-Memory: 16MB (100mhz DRAM)
  • Disc Drive: CAV (Constant Angular Velocity) system average access time 128ns, Data transfer speed: 16Mbpsto 25Mbps
  • Media: 8cm Nintendo Gamecube Disc based on Matsushita's optical disc technology - approximately 1.5GB capacity
  • Input: Controller port: x4, Digicard slot: x2, Analog AV output: x1, Digital AV output: x1, High-speed serial port: x2, High-speed parallel port: x1
  • Power supply: AC Adapter DC12V x 3.5A
  • Main unit dimensions: 150mm(W) x 110mm(H) x 161mm(D)


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