Athlon XP 2500+ vs Celeron M 540
Aggregate performance score
Celeron M 540 outperforms Athlon XP 2500+ by a whopping 127% based on our aggregate benchmark results.
Primary details
Comparing Celeron M 540 and Athlon XP 2500+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3072 | 3327 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Celeron M | no data |
| Power efficiency | 1.07 | 0.21 |
| Architecture codename | Merom (2006−2008) | Barton (2001−2004) |
| Release date | 1 October 2007 (17 years ago) | February 2003 (21 year ago) |
Detailed specifications
Celeron M 540 and Athlon XP 2500+ 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 | 1.86 GHz | 1.83 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | no data | 128 KB |
| L2 cache | 1 MB | 512 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 130 nm |
| Die size | no data | 101 mm2 |
| Number of transistors | no data | 63 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 540 and Athlon XP 2500+ 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 | A |
| Power consumption (TDP) | 30 Watt | 68 Watt |
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 | 0.34 | 0.15 |
| Chip lithography | 65 nm | 130 nm |
| Power consumption (TDP) | 30 Watt | 68 Watt |
Celeron M 540 has a 126.7% higher aggregate performance score, a 100% more advanced lithography process, and 126.7% lower power consumption.
The Celeron M 540 is our recommended choice as it beats the Athlon XP 2500+ in performance tests.
Be aware that Celeron M 540 is a notebook processor while Athlon XP 2500+ is a desktop one.
Should you still have questions on choice between Celeron M 540 and Athlon XP 2500+, ask them in Comments section, and we shall answer.
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