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Intel Pentium II

Pentium II 266MHz

The Intel Pentium II 266MHz has 1 core that runs at a clock speed of 0.3GHz.

It has an L2 cache size of 512KB and an L1 cache size of 16KB.


Intel Pentium II 266MHz

Cores1More cores means more threads and therefore more processes can be run simultaneously
Speed0.266GHzClock frequency indicates processor speed, but is only reliable in comparisons between CPUs of the same family
CodenameKlamathThe code name given by the manufacturers
Release Date07 May 1997 The more recent the release, the more likely the CPU will receive up-to-date manufacturer support
TDP168WThe lower the TDP, the less power the CPU requires to run and thus the more efficient it is and the less heat it creates
L1 Cache16KBThe bigger the L1 cache, the more data can be stored for lightning CPU access to priority processes (though a bigger cache means a higher latency
L2 Cache512KBAfter L1 cache, L2 is utilized for slower (but still very fast) data access
Lithography350nmThe smaller the lithographic technology used, the less power is required to run the CPU, and the less heat is created during intense use
CPU SocketSlot 1/SC242The motherboard socket and CPU socket should match to indicate the CPU is compatible with the motherboard and will fit into it
Unlocked MultipliernoAn unlocked clock multiplier means you can adjust the multiplier for an overclocking speed boost

Pentium II 266MHz compatibility review

Overall, the Intel Pentium II 266MHz has poor performance. Its 1 core clocked at 0.27 GHz provides mediocre processing speeds and with only a single core, it will never match up to modern competitors.

The CPU is now over 24 years old, which means it is extremely out of date and is based on very aged technologies. This processor will be dwarfed in performance by its modern counterparts, and will likely have very little support from Intel.

Created with lithographic technology sized at 350 nanometers, the Pentium II 266MHz is not efficient at all by modern standards, and with a Thermal Design Power of 168W, the poor efficiency of its physical build is matched by the huge amount of power that is necessary to run it.

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