Xeon 2.66 vs Celeron 2.8 GHz
Primary details
Comparing Celeron 2.8 GHz and Xeon 2.66 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Architecture codename | Northwood (2001−2004) | Prestonia (2002) |
| Release date | no data | November 2002 (21 year ago) |
| Current price | $41 | $43 |
Detailed specifications
Celeron 2.8 GHz 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 | 1 (Single-Core) | 1 (Single-Core) |
| Threads | 1 | 1 |
| Boost clock speed | 2.8 GHz | 2.66 GHz |
| Bus support | 400 MHz | no data |
| L1 cache | no data | 16 KB |
| L2 cache | no data | 512 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 130 nm | 130 nm |
| Die size | no data | 217 mm2 |
| Number of transistors | no data | 55 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Celeron 2.8 GHz 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 | no data | 2 |
| Socket | no data | 604 |
| Power consumption (TDP) | 52.8 Watt | 89 Watt |
Pros & cons summary
| Power consumption (TDP) | 52 Watt | 89 Watt |
Celeron 2.8 GHz has 71.2% lower power consumption.
We couldn't decide between Celeron 2.8 GHz and Xeon 2.66. We've got no test results to judge.
Be aware that Celeron 2.8 GHz is a notebook processor while Xeon 2.66 is a server/workstation one.
Should you still have questions on choice between Celeron 2.8 GHz and Xeon 2.66, ask them in Comments section, and we shall answer.
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