Pentium 4 2.80 vs Atom N455
Aggregate performance score
Pentium 4 2.80 outperforms Atom N455 by a significant 25% based on our aggregate benchmark results.
Primary details
Comparing Atom N455 and Pentium 4 2.80 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3409 | 3379 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | no data |
| Power efficiency | 1.63 | 0.13 |
| Architecture codename | Pinetrail (2009−2011) | Northwood (2002−2004) |
| Release date | 1 June 2010 (14 years ago) | August 2002 (22 years ago) |
| Launch price (MSRP) | $64 | no data |
Detailed specifications
Atom N455 and Pentium 4 2.80 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 | 2 | 1 |
| Base clock speed | 1.66 GHz | no data |
| Boost clock speed | 1.67 GHz | 2.79 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | 64 KB (per core) | 8 KB |
| L2 cache | 512K (per core) | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 130 nm |
| Die size | 66 mm2 | 146 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 123 million | 55 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom N455 and Pentium 4 2.80 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 | FCBGA559 | 478 |
| Power consumption (TDP) | 6.5 Watt | 110 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N455 and Pentium 4 2.80. 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 |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
Security technologies
Atom N455 and Pentium 4 2.80 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 N455 and Pentium 4 2.80 are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N455 and Pentium 4 2.80. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2 |
| Maximum memory size | 2 GB | no data |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | 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.
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 | 0.12 | 0.15 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 130 nm |
| Power consumption (TDP) | 6 Watt | 110 Watt |
Atom N455 has 100% more threads, a 188.9% more advanced lithography process, and 1733.3% lower power consumption.
Pentium 4 2.80, on the other hand, has a 25% higher aggregate performance score.
The Pentium 4 2.80 is our recommended choice as it beats the Atom N455 in performance tests.
Be aware that Atom N455 is a notebook processor while Pentium 4 2.80 is a desktop one.
Other comparisons
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