Pentium 4 1.80 vs Atom E3805
Aggregate performance score
Atom E3805 outperforms Pentium 4 1.80 by a whopping 257% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3269 | 3515 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Atom | no data |
| Power efficiency | 7.98 | 0.10 |
| Designer | Intel | Intel |
| Architecture codename | Bay Trail | Willamette (2000−2001) |
| Release date | no data | August 2001 (23 years ago) |
Detailed specifications
Atom E3805 and Pentium 4 1.80 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 1.33 GHz | 1.8 GHz |
| L1 cache | no data | 8 KB |
| L2 cache | no data | 256 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 22 nm | 180 nm |
| Die size | no data | 217 mm2 |
| Maximum case temperature (TCase) | no data | 78 °C |
| Number of transistors | no data | 42 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom E3805 and Pentium 4 1.80 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 | no data | 1 |
| Socket | no data | 478 |
| Power consumption (TDP) | 3 Watt | 67 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E3805 and Pentium 4 1.80. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2 |
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.25 | 0.07 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 22 nm | 180 nm |
| Power consumption (TDP) | 3 Watt | 67 Watt |
Atom E3805 has a 257.1% higher aggregate performance score, 100% more physical cores and 100% more threads, a 718.2% more advanced lithography process, and 2133.3% lower power consumption.
The Intel Atom E3805 is our recommended choice as it beats the Intel Pentium 4 1.80 in performance tests.
Be aware that Atom E3805 is a notebook processor while Pentium 4 1.80 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
