MPU ("Micro Processing Unit") 
Custom IBM Power PC "Gekko" 
Manufacturing Process 
0.18 micron IBM Copper Wire Technology 

Clock Frequency 
485 MHz 

CPU Capacity 
1125 Dmips (Dhrystone 2.1) 

Internal Data Precision 
32-bit Integer & 64-bit Floating-point 

External Bus
1.3 GB/second peak bandwidth 
32-bit address space 
64-bit data bus 
162 MHz clock 

Internal Cache 
L1: Instruction 32KB, Data 32KB (8 way) 
L2: 256KB (2 way) 

System LSI 
Custom ATI/Nintendo "Flipper" 

Manufacturing Process 
0.18 micron NEC Embedded DRAM Process 

Clock Frequency 
162 MHz 

Embedded Frame Buffer
Approx. 2 MB 
Sustainable Latency: 6.2ns (1T-SRAM) 

Embedded Texture Cache 
Approx. 1 MB 
Sustainable Latency: 6.2 ns (1T-SRAM) 

Texture Read Bandwidth
10.4 GB/second (Peak) 

Main Memory Bandwidth 
2.6 GB/second (Peak) 

Pixel Depth 
24-bit Color, 24-bit Z Buffer 

Image Processing Functions 
Fog, Subpixel Anti-aliasing, 8 Hardware Lights, Alpha Blending, Virtual Texture Design, Multi-texturing, Bump Mapping, Environment Mapping, MIP Mapping, Bilinear Filtering, Trilinear Filtering, Ansitropic Filtering, Real-time Hardware Texture Decompression (S3TC) 
Real-time Decompression of Display List, HW 3-line Deflickering filter 

Audio Processing 
(Incorporated into the System LSI) 

Sound Processor 
Custom Macronix 16-bit DSP 

Instruction Memory 
8KB RAM + 8KB ROM 

Data Memory
8KB RAM + 4KB ROM 

Clock Frequency 
81 MHz 

Performance 
64 simultaneous channels, ADPCM & PCM encoding 

Sampling Frequency 
48KHz 

Floating-point Arithmetic Capability 
10.5 GFLOPS (Peak) 

(MPU, Geometry Engine, HW Lighting Total) 

Real-world polygon 
6 to 12 million polygons/second (Peak) 

(Assuming actual game conditions with complex models, fully textured, fully lit, etc.) 

System Memory "Splash" 
40 MB 

Main Memory 
24 MB MoSys 1T-SRAM 

Approximately 10ns Sustainable Latency 

A-Memory
16 MB 81 MHz DRAM 

Disc Drive 
CAV (Constant Angular Velocity) System 

Average Access Time 
128ms 

Data Transfer Speed 
16Mbps to 25Mbps 

Media 
3 inch Nintendo GameCube Disc based on Matsushita’s Optical Disc Technology 

Capacity 
Approx. 1.5GB 

Input/Output 
4 Controller Ports 

2 Memory Card Slots 

Analog AV Output 

Digital AV Output 

2 High-Speed Serial Ports 

High-speed Parallel Port 

Power Supply
AC Adapter DC12V x 3.5A

Dimensions 
4.3"(H) x 5.9"(W) x 6.3"(D)