Athlon X4 940 vs Pentium III 1333
Primary details
Comparing Pentium III 1333 and Athlon X4 940 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Tualatin (2000−2002) | Bristol Ridge (2016−2019) |
| Release date | December 2001 (22 years ago) | 27 July 2017 (7 years ago) |
Detailed specifications
Pentium III 1333 and Athlon X4 940 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) | 4 (Quad-Core) |
| Threads | 1 | 4 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 1.33 GHz | 3.6 GHz |
| L1 cache | 8 KB | 128 KB (per core) |
| L2 cache | 256 KB | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 130 nm | 28 nm |
| Die size | 80 mm2 | 246 mm2 |
| Maximum case temperature (TCase) | 69 °C | 74 °C |
| Number of transistors | 44 million | 1,178 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium III 1333 and Athlon X4 940 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 | 370 | AM4 |
| Power consumption (TDP) | 30 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 1333 and Athlon X4 940. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium III 1333 and Athlon X4 940 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 1333 and Athlon X4 940. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 Dual-channel |
Pros & cons summary
| Physical cores | 1 | 4 |
| Threads | 1 | 4 |
| Chip lithography | 130 nm | 28 nm |
| Power consumption (TDP) | 30 Watt | 65 Watt |
Pentium III 1333 has 116.7% lower power consumption.
Athlon X4 940, on the other hand, has 300% more physical cores and 300% more threads, and a 364.3% more advanced lithography process.
We couldn't decide between Pentium III 1333 and Athlon X4 940. We've got no test results to judge.
Should you still have questions on choice between Pentium III 1333 and Athlon X4 940, ask them in Comments section, and we shall answer.
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