Phenom II X4 X940 BE vs Xeon E5450
Primary details
Comparing Xeon E5450 and Phenom II X4 X940 BE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2083 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | 4x AMD Phenom II |
| Power efficiency | 1.92 | no data |
| Architecture codename | no data | Champlain (2010−2011) |
| Release date | 1 October 2007 (17 years ago) | 1 January 2011 (13 years ago) |
Detailed specifications
Xeon E5450 and Phenom II X4 X940 BE 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 | 4 (Quad-Core) |
| Threads | no data | 4 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | no data | 2.4 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | no data | 256 KB |
| L2 cache | no data | 2 MB |
| L3 cache | 12 MB L2 Cache | no data |
| Chip lithography | 45 nm | 45 nm |
| Maximum core temperature | 67 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon E5450 and Phenom II X4 X940 BE 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 | S1 |
| Power consumption (TDP) | 80 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5450 and Phenom II X4 X940 BE. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | HyperTransport 3.0, Enhanced Virus Protection, AMD64, SSE4A, unlocked multiplier |
| VirusProtect | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
Security technologies
Xeon E5450 and Phenom II X4 X940 BE 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 Xeon E5450 and Phenom II X4 X940 BE are enumerated here.
| VT-x | + | no data |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5450 and Phenom II X4 X940 BE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Pros & cons summary
| Recency | 1 October 2007 | 1 January 2011 |
| Power consumption (TDP) | 80 Watt | 45 Watt |
Phenom II X4 X940 BE has an age advantage of 3 years, and 77.8% lower power consumption.
We couldn't decide between Xeon E5450 and Phenom II X4 X940 BE. We've got no test results to judge.
Be aware that Xeon E5450 is a server/workstation processor while Phenom II X4 X940 BE is a notebook one.
Should you still have questions on choice between Xeon E5450 and Phenom II X4 X940 BE, ask them in Comments section, and we shall answer.
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