Xeon 2.66 vs Opteron X2 180
Primary details
Comparing Opteron X2 180 and Xeon 2.66 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Architecture codename | Denmark (2005−2006) | Prestonia (2002) |
| Release date | 26 September 2005 (19 years ago) | November 2002 (22 years ago) |
| Launch price (MSRP) | $799 | no data |
Detailed specifications
Opteron X2 180 and Xeon 2.66 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 |
| Base clock speed | 2.4 GHz | no data |
| Boost clock speed | 2.4 GHz | 2.66 GHz |
| L1 cache | 128 KB (per core) | 16 KB |
| L2 cache | 1 MB (per core) | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 90 nm | 130 nm |
| Die size | 199 mm2 | 217 mm2 |
| Number of transistors | 233 million | 55 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Opteron X2 180 and Xeon 2.66 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 | 2 | 2 |
| Socket | 939 | 604 |
| Power consumption (TDP) | 110 Watt | 89 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron X2 180 and Xeon 2.66. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 90 nm | 130 nm |
| Power consumption (TDP) | 110 Watt | 89 Watt |
Opteron X2 180 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
Xeon 2.66, on the other hand, has 23.6% lower power consumption.
We couldn't decide between Opteron X2 180 and Xeon 2.66. We've got no test results to judge.
Should you still have questions on choice between Opteron X2 180 and Xeon 2.66, ask them in Comments section, and we shall answer.
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