Opteron 252 vs Core 2 Duo T5450
Aggregate performance score
Opteron 252 outperforms Core 2 Duo T5450 by a substantial 31% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo T5450 and Opteron 252 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3048 | 2919 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Core 2 Duo | no data |
| Power efficiency | 1.01 | 0.49 |
| Architecture codename | Merom-2048 (2006−2008) | Troy (2005) |
| Release date | no data | February 2005 (19 years ago) |
| Launch price (MSRP) | no data | $63 |
Detailed specifications
Core 2 Duo T5450 and Opteron 252 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 | 1.66 GHz | no data |
| Boost clock speed | 1.66 GHz | 2.6 GHz |
| Bus rate | 667 MHz | no data |
| L1 cache | no data | 128 KB |
| L2 cache | no data | 1 MB |
| L3 cache | 2 MB L2 Cache | 0 KB |
| Chip lithography | 65 nm | 90 nm |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 106 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.075V-1.25V | no data |
Compatibility
Information on Core 2 Duo T5450 and Opteron 252 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 | PPGA478 | 940 |
| Power consumption (TDP) | 35 Watt | 92 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T5450 and Opteron 252. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo T5450 and Opteron 252 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T5450 and Opteron 252 are enumerated here.
| VT-x | - | no data |
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 | 0.36 | 0.47 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 35 Watt | 92 Watt |
Core 2 Duo T5450 has 100% more physical cores and 100% more threads, a 38.5% more advanced lithography process, and 162.9% lower power consumption.
Opteron 252, on the other hand, has a 30.6% higher aggregate performance score.
The Opteron 252 is our recommended choice as it beats the Core 2 Duo T5450 in performance tests.
Be aware that Core 2 Duo T5450 is a notebook processor while Opteron 252 is a server/workstation one.
Should you still have questions on choice between Core 2 Duo T5450 and Opteron 252, ask them in Comments section, and we shall answer.
Other comparisons
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