Intel Pentium III 1266S vs AMD Athlon XP 1800+
Comparing Pentium III 1266S and Athlon XP 1800+ processor market type (desktop or notebook), architecture and sales start time and price.
Pentium III 1266S and Athlon XP 1800+ quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Pentium III 1266S and Athlon XP 1800+ performance, but for precise assessment you have to consider their test results.
Number of cores
Number of threads
Manufacturing process technology
Maximum case temperature (TCase)
Information on Pentium III 1266S and Athlon XP 1800+ compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
Power consumption (TDP)
Non-gaming benchmarks performance of Pentium III 1266S and Athlon XP 1800+. Overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
Pentium III 1266S 0.38 +2.7%
Athlon XP 1800+ 0.37
Pentium III 1266S 309 +3%
Athlon XP 1800+ 300
Let's see how good Pentium III 1266S and Athlon XP 1800+ are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.
Advantages of Intel Pentium III 1266S
2.7% faster in synthetic tests
Finer manufacturing process technology (130 vs 180 nm)
Less power hungry (30 vs 66 watts)
Advantages of AMD Athlon XP 1800+
3DNow! (older SIMD instructions set used by AMD CPUs. Supercedes MMX, works with 64-bit registers)
So, Pentium III 1266S or Athlon XP 1800+?
Technical City couldn't decide between Intel Pentium III 1266S and AMD Athlon XP 1800+. The differences in performance seem too small.
Should you still have questions on choice between Pentium III 1266S and Athlon XP 1800+, ask them in Comments section, and we shall answer.