Xeon 2.8 vs Core 2 Quad Q9550
Primary details
Comparing Core 2 Quad Q9550 and Xeon 2.8 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2051 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.80 | no data |
| Market segment | Desktop processor | Server |
| Series | Core 2 Quad (Desktop) | no data |
| Architecture codename | Yorkfield (2007−2009) | Paxville (2002−2005) |
| Release date | no data | September 2002 (21 year ago) |
| Current price | $54 | $39 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Quad Q9550 and Xeon 2.8 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Boost clock speed | 2.83 GHz | 2.8 GHz |
| Bus support | 1333 MHz | no data |
| L1 cache | no data | 16 KB |
| L2 cache | 12288 KB | 512K |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 130 nm |
| Die size | no data | 217 mm2 |
| Number of transistors | no data | 200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core 2 Quad Q9550 and Xeon 2.8 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 | LGA775 | 604 |
| Power consumption (TDP) | 95 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9550 and Xeon 2.8. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9550 and Xeon 2.8. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1,DDR2,DDR3 | no data |
Pros & cons summary
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 130 nm |
| Power consumption (TDP) | 95 Watt | 135 Watt |
We couldn't decide between Core 2 Quad Q9550 and Xeon 2.8. We've got no test results to judge.
Note that Core 2 Quad Q9550 is a desktop processor while Xeon 2.8 is a server/workstation one.
Should you still have questions on choice between Core 2 Quad Q9550 and Xeon 2.8, ask them in Comments section, and we shall answer.
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