Pentium III 1400 vs Atom 330
Aggregate performance score
Atom 330 outperforms Pentium III 1400 by an impressive 92% based on our aggregate benchmark results.
Primary details
Comparing Atom 330 and Pentium III 1400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3190 | 3363 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | no data |
| Power efficiency | 2.72 | 0.37 |
| Architecture codename | Diamondville (2008−2009) | Tualatin (2000−2002) |
| Release date | 2 April 2008 (16 years ago) | December 2001 (23 years ago) |
| Launch price (MSRP) | $43 | no data |
Detailed specifications
Atom 330 and Pentium III 1400 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 1.6 GHz | no data |
| Boost clock speed | 0.1 GHz | 1.4 GHz |
| Bus type | FSB | no data |
| Bus rate | 533.33 MT/s | no data |
| Multiplier | 12 | no data |
| L1 cache | 112 KB | 8 KB |
| L2 cache | 1 MB | 256 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 130 nm |
| Die size | 51.9276 mm2 | 80 mm2 |
| Maximum core temperature | 85 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 94 Million | 44 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.9V-1.1625V | no data |
Compatibility
Information on Atom 330 and Pentium III 1400 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 (Uniprocessor) | 1 |
| Socket | PBGA437 | 370 |
| Power consumption (TDP) | 8 Watt | 31 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom 330 and Pentium III 1400. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Atom 330 and Pentium III 1400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom 330 and Pentium III 1400 are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom 330 and Pentium III 1400. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | 8 GB | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 0.23 | 0.12 |
| Physical cores | 2 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 45 nm | 130 nm |
| Power consumption (TDP) | 8 Watt | 31 Watt |
Atom 330 has a 91.7% higher aggregate performance score, 100% more physical cores and 300% more threads, a 188.9% more advanced lithography process, and 287.5% lower power consumption.
The Atom 330 is our recommended choice as it beats the Pentium III 1400 in performance tests.
Be aware that Atom 330 is a notebook processor while Pentium III 1400 is a desktop one.
Should you still have questions on choice between Atom 330 and Pentium III 1400, ask them in Comments section, and we shall answer.
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