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An Intel November 2008 white paper [10] discusses "Turbo Boost" technology as a new feature incorporated into Nehalem-based processors released in the same month. [11]A similar feature called Intel Dynamic Acceleration (IDA) was first available with Core 2 Duo, which was based on the Santa Rosa platform and was released on May 10, 2007.
The turbo button is the small button below the segment display; the amber light above is a secondary indicator of the turbo button state. On IBM PC compatible computers, the turbo button selects one of two run states: the default "turbo" speed or a reduced speed closer to the Intel 8086 CPU.
AMD Turbo Core a.k.a. AMD Core Performance Boost (CPB) is a dynamic frequency scaling technology implemented by AMD that allows the processor to dynamically adjust and control the processor operating frequency in certain versions of its processors which allows for increased performance when needed while maintaining lower power and thermal parameters during normal operation. [1]
If set, the processor does not exhibit MXCSR configuration dependent timing. 6 UC-lock disable feature supported. 7 monitor_mitg_no: If set, indicates that the MONITOR/UMONITOR instructions are not affected by performance/power issues caused by the instructions exceeding the capacity of an internal monitor tracking table. 31:8 (reserved)
Microarchitecture of a processor core in the quad-core implementation. Cache line block on L2/L3 cache was reduced from 128 bytes in NetBurst & Merom/Penryn to 64 bytes per line in this generation (same size as Yonah and Pentium M). Hyper-threading reintroduced. Intel Turbo Boost 1.0. [6] 2–24 MiB L3 cache with Smart Cache in some models.
C-states are disabled, therefore the CPU will constantly run at its highest frequency and voltage; Turbo-boost is disabled; Integrated graphics are disabled; AVX2 instruction performance is poor, approximately 4-5 times slower due to the upper 128-bit half of the execution units and data buses not being taken out of their power saving states
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CPU GPU DDR3 memory support TDP (W) Box number Part number [Modules/FPUs] Cores/threads Clock rate Cache [a] Model Config Clock (MHz) Processing power [b] Base Boost L1 L2; Sempron X2 250 [35] 32 nm RL-A1 [1]2 3.2 3.6 64 KB inst. per module 16 KB data per core 1 MB — 65 SD250XOKA23HL Athlon X2 350 [38] 3.5 3.9 1866 AD350XOKA23HL Athlon X2 370K