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GameCube Specifications

Note: Original publication date is missing

Audio Processing (Incorporated into the System LSI)

FeatureSpecification
Performance64 simultaneous channels ADPCM & PCM encoding
Sound ProcessorCustom Macronix 16-bit DSP
Instruction Memory8KB RAM + 8KB ROM
Data Memory8KB RAM + 4KB ROM
Clock Frequency81 MHz

MPU (“Micro Processing Unit”) Custom IBM Power PC “Gekko”

FeatureSpecification
Internal CacheL1: Instruction 32KB, Data 32KB (8 way)L2: 256KB (2 way)
Manufacturing Process0.18 micron IBM Copper Wire Technology
External Bus1.3 GB/second peak bandwidth32-bit address space64-bit data bus162 MHz clock
Clock Frequency485 MHz
CPU Capacity1125 Dmips (Dhrystone 2.1)
Internal PrecisionData 32-bit Integer & 64-bit Floating-point

System LSI Custom ATI/Nintendo “Flipper”

FeatureSpecification
Manufacturing Process0.18 micron NEC Embedded DRAM Process
Texture BandwidthRead 10.4 GB/second (Peak)
Main Memory Bandwidth2.6 GB/second (Peak)
Pixel Depth24-bit Color, 24-bit Z Buffer
Clock Frequency162 MHzSustainable Latency: 6.2ns (1T-SRAM)
Embedded Texture CacheApprox. 1 MBSustainable Latency: 6.2 ns (1T-SRAM)
Embedded Frame BufferApprox. 2 MB
Image Processing FunctionsFog, Subpixel Anti-aliasing, 8 Hardware Lights, Alpha Blending, Virtual Texture Design, Multi-texturing, Bump Mapping, Environment Mapping, MIP Mapping, Bilinear Filtering, Trilinear Filtering, Anisotropic Filtering, Real-time Hardware Texture Decompression (S3TC)Real-time Decompression of Display List, HW 3-line Deflickering filter

Performance

FeatureSpecification
Power SupplyAC Adapter DC12V x 3.5A
Floating-point Arithmetic Capability10.5 GFLOPS (Peak)
Real-world polygon6 to 12 million polygons/second
Sampling Frequency48KHz
Disc DriveCAV System
Dimensions4.3"(H) x 5.9"(W) x 6.3"(D)
Main Memory24 MB MoSys 1T-SRAM
A-Memory16 MB 81 MHz DRAM
Average Access Time128ms
Data Transfer Speed16Mbps to 25Mbps
System Memory “Splash”40 MB
CapacityApprox. 1.5GB
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