Broadway (processor)

Broadway is the codename of the

• 90 nanometer process technology, shrunk to 65 nm in 2007. [6]
• Superscalar Out-of-order execution PowerPC
  core, specially modified for the Wii platform
• IBM silicon on insulator (SOI) technology
• Backward compatible with the
  Gekko
  processor
• 729 MHz
• 4 stages long Two integer ALUs (IU1 and IU2) – 32 bit
• 7 stages long 64-bit floating-point unit (FPU) (or 2 × 32-bit SIMD, often found under the denomination "paired singles")
• Branch Prediction Unit (BPU)
• Load-Store Unit (LSU)
• System Register Unit (SRU)
• Memory Management Unit
  (MMU)
• Branch Target Instruction Cache (BTIC)
• SIMD Instructions – PowerPC750 + Roughly 50 new
  3D graphics
• 64 kB L1 cache (32 kB instruction + 32 kB data)
• 256 kB L2 cache
• 2.9 GFLOPS

External bus

• 64-bit
• 243 MHz
• 1.944 gigabytes per second bandwidth

Gallery

Broadway
39X6735, 2006
90 nm, 21×21 mm package

Broadway A
43E4048, 2006-2007
90 nm, 21×21 mm package

Broadway B
43E5070, 2007-2008
65 nm, 21×21 mm package

Broadway-1
48J2662, 2008-2016
65 nm, 15×15 mm package

These images are illustrations and only approximately to scale.

References