Mobile Pentium 4 520 vs Celeron M 585
Aggregate performance score
Celeron M 585 outperforms Mobile Pentium 4 520 by a whopping 180% based on our aggregate benchmark results.
Primary details
Comparing Celeron M 585 and Mobile Pentium 4 520 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2979 | 3315 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | Mobile Pentium 4 |
| Power efficiency | 1.31 | 0.16 |
| Architecture codename | Merom (2006−2008) | Northwood (2002−2004) |
| Release date | 20 August 2008 (16 years ago) | no data |
| Launch price (MSRP) | $70 | no data |
Detailed specifications
Celeron M 585 and Mobile Pentium 4 520 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 | 2.16 GHz | 2.8 GHz |
| Bus rate | 667 MHz | 533 MHz |
| L2 cache | 1 MB | no data |
| Chip lithography | 65 nm | 90 nm |
| Die size | 143 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 291 Million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 585 and Mobile Pentium 4 520 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.
| Socket | PPGA478 | no data |
| Power consumption (TDP) | 31 Watt | 91 Watt |
Pros & cons summary
| Performance score | 0.42 | 0.15 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 31 Watt | 91 Watt |
Celeron M 585 has a 180% higher aggregate performance score, a 38.5% more advanced lithography process, and 193.5% lower power consumption.
The Celeron M 585 is our recommended choice as it beats the Mobile Pentium 4 520 in performance tests.
Should you still have questions on choice between Celeron M 585 and Mobile Pentium 4 520, ask them in Comments section, and we shall answer.
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