Opteron 842 vs Celeron M 540
Primary details
Comparing Celeron M 540 and Opteron 842 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3073 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Celeron M | no data |
| Power efficiency | 1.07 | no data |
| Architecture codename | Merom (2006−2008) | SledgeHammer (2003−2005) |
| Release date | 1 October 2007 (17 years ago) | June 2003 (21 year ago) |
Detailed specifications
Celeron M 540 and Opteron 842 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 | 1.6 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | no data | 128 KB |
| L2 cache | 1 MB | 1 MB |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 130 nm |
| Die size | no data | 193 mm2 |
| Number of transistors | no data | 106 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 540 and Opteron 842 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 | 8 |
| Socket | no data | 940 |
| Power consumption (TDP) | 30 Watt | 85 Watt |
Pros & cons summary
| Chip lithography | 65 nm | 130 nm |
| Power consumption (TDP) | 30 Watt | 85 Watt |
Celeron M 540 has a 100% more advanced lithography process, and 183.3% lower power consumption.
We couldn't decide between Celeron M 540 and Opteron 842. We've got no test results to judge.
Be aware that Celeron M 540 is a notebook processor while Opteron 842 is a server/workstation one.
Should you still have questions on choice between Celeron M 540 and Opteron 842, ask them in Comments section, and we shall answer.
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