XBOX 360 CPU Specifications
* 90 nm process[4], 65 nm process upgrade in 2007[5] (codenamed "Falcon")
* 165 million transistors
* Three symmetrical cores, each two way SMT-capable and clocked at 3.2 GHz[4]
* SIMD: VMX128 with 2× (128×128 bit) register files for each core.[4]
* 1 MB L2 cache[4] (lockable by the GPU) running at half-speed (1.6 GHz) with a 256-bit bus
* 51.2 gigabytes per second of L2 memory bandwidth (256 bit × 1600 MHz)
* 21.6 GB/s Front-Side Bus[4]
* Dot product performance: 9.6 billion per second
* 96.0 GFLOPS theoretical peak performance (single-precision)
* 57.6 GFLOPS theoretical peak performance (double-precision)
* Restricted to in-order code execution[4]
* eFuse 768 bits[6].
* ROM (and 64 kbytes SRAM) storing Microsoft's Secure Bootloader[1], and encryption hypervisor[6].
* Big endian architecture.
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