Pentium III 1000 vs Athlon XP 1900+
Primary details
Comparing Athlon XP 1900+ and Pentium III 1000 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Thoroughbred (2001−2002) | Tualatin (2000−2002) |
| Release date | November 2001 (22 years ago) | July 2001 (22 years ago) |
| Current price | $46 | $79 |
Detailed specifications
Athlon XP 1900+ and Pentium III 1000 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 1 (Single-Core) | 1 (Single-Core) |
| Threads | 1 | 1 |
| Boost clock speed | 1.6 GHz | 1 GHz |
| L1 cache | 128 KB | 8 KB |
| L2 cache | 256 KB | 256 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 180 nm | 180 nm |
| Die size | 150 mm2 | 80 mm2 |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 37 million | 44 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Athlon XP 1900+ and Pentium III 1000 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | A | 370 |
| Power consumption (TDP) | 68 Watt | 30 Watt |
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