Core 2 Duo T5450 vs Xeon E5420
Primary details
Comparing Xeon E5420 and Core 2 Duo T5450 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2283 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | Core 2 Duo |
| Power efficiency | 1.50 | no data |
| Architecture codename | no data | Merom-2048 (2006−2008) |
| Release date | 1 October 2007 (17 years ago) | no data (2024 years ago) |
Detailed specifications
Xeon E5420 and Core 2 Duo T5450 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 | no data | 2 (Dual-core) |
| Threads | no data | 2 |
| Base clock speed | 2.5 GHz | 1.66 GHz |
| Boost clock speed | no data | 1.66 GHz |
| Bus rate | no data | 667 MHz |
| L3 cache | 12 MB L2 Cache | 2 MB L2 Cache |
| Chip lithography | 45 nm | 65 nm |
| Maximum core temperature | 67 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | 1.075V-1.25V |
Compatibility
Information on Xeon E5420 and Core 2 Duo T5450 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.
| Socket | LGA771 | PPGA478 |
| Power consumption (TDP) | 80 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5420 and Core 2 Duo T5450. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | - |
| FSB parity | + | - |
Security technologies
Xeon E5420 and Core 2 Duo T5450 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5420 and Core 2 Duo T5450 are enumerated here.
| VT-x | + | - |
| EPT | - | 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.
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 80 Watt | 35 Watt |
Xeon E5420 has a 44.4% more advanced lithography process.
Core 2 Duo T5450, on the other hand, has 128.6% lower power consumption.
We couldn't decide between Xeon E5420 and Core 2 Duo T5450. We've got no test results to judge.
Be aware that Xeon E5420 is a server/workstation processor while Core 2 Duo T5450 is a notebook one.
Should you still have questions on choice between Xeon E5420 and Core 2 Duo T5450, ask them in Comments section, and we shall answer.
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