PS3
====================
PU (Central Processing Unit)
Cell Processor
PowerPC-base Core @ 3.2 GHz
1 x VMX vector unit per core
512KB L2 cache
7 x SPE @ 3.2 GHz
7 x 128b 128 SIMD GPRs
7 x 256KB SRAM for SPE
Total floating point performance: 218 GFLOPS
GPU (Graphical Processing Unit)
RSX @ 500MHz
1.8 TFLOPS floating point performance
Full HiDef (up to 1080p) x 2 channels
Multi way programmable parallel floating point shader pipelines
Sound Sub System
Dolby 5.1ch, DTS, LPCM, etc. (Cell- base processing)
Memory
256 MB XDR Main RAM @ 3.2 GHz 256 MB GDDR3 VRAM @650MHz
System Bandwidth
Main RAM 25.6 GB/s
VRAM 22.4 GB/s
RSX 20 GB/s write / 15 GB/s read
SB< 2.5 GB/s write / 2.5 GB/s read
System Floating Point Performance
2 TFLOPS
Xbox 360
============================
Custom IBM PowerPC-based CPU:
3 symmetrical cores running at 3.2 GHz each
2 hardware threads per core; 6 hardware threads total
1 VMX-128 vector unit per core; 3 total
128 VMX-128 registers per hardware thread
3 symmetrical cores running at 3.2 GHz each
1 MB L2 cache
CPU Game Math Performance:
9 billion dot product operations per second
Custom ATI Graphics Processor:
500 MHz
10 MB embedded DRAM
48-way parallel floating-point dynamically-scheduled shader pipelines
Unified shader architecture
Polygon Performance:
500 million triangles per second
Pixel Fill Rate:
16 gigasamples per second fillrate using 4X MSAA
Shader Performance:
48 billion shader operations per second
Memory:
512 MB GDDR3 RAM
700 MHz DDR
Unified memory architecture
Memory Bandwidth:
22.4 GB/s memory interface bus bandwidth
256 GB/s memory bandwidth to EDRAM
21.6 GB/s front-side bus
PS3 vs. XBox 360: A Side By Side Comparison : Nerd Approved - Gadgets and Gizmos
Sykore
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